Merge change 7332

* changes:
  Squashed commit of the following:

cmds/stagefright/Android.mk

@@ -0,0 +1,66 @@
+ifeq ($(BUILD_WITH_STAGEFRIGHT),true)
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	stagefright.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libstagefright
+
+LOCAL_C_INCLUDES:= \
+	frameworks/base/media/libstagefright \
+	$(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include \
+        $(TOP)/external/opencore/android
+
+LOCAL_CFLAGS += -Wno-multichar
+
+LOCAL_MODULE:= stagefright
+
+include $(BUILD_EXECUTABLE)
+
+################################################################################
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:=         \
+        record.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libstagefright
+
+LOCAL_C_INCLUDES:= \
+	frameworks/base/media/libstagefright \
+	$(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include \
+        $(TOP)/external/opencore/android
+
+LOCAL_CFLAGS += -Wno-multichar
+
+LOCAL_MODULE:= record
+
+include $(BUILD_EXECUTABLE)
+
+################################################################################
+
+# include $(CLEAR_VARS)
+# 
+# LOCAL_SRC_FILES:=         \
+#         play.cpp
+# 
+# LOCAL_SHARED_LIBRARIES := \
+# 	libstagefright
+# 
+# LOCAL_C_INCLUDES:= \
+# 	frameworks/base/media/libstagefright \
+# 	$(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include \
+#         $(TOP)/external/opencore/android
+# 
+# LOCAL_CFLAGS += -Wno-multichar
+# 
+# LOCAL_MODULE:= play
+# 
+# include $(BUILD_EXECUTABLE)
+
+endif

cmds/stagefright/WaveWriter.h

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_WAVEWRITER_H_
+
+#define ANDROID_WAVEWRITER_H_
+
+namespace android {
+
+class WaveWriter {
+public:
+    WaveWriter(const char *filename,
+               uint16_t num_channels, uint32_t sampling_rate)
+        : mFile(fopen(filename, "wb")),
+          mTotalBytes(0) {
+        fwrite("RIFFxxxxWAVEfmt \x10\x00\x00\x00\x01\x00", 1, 22, mFile); 
+        write_u16(num_channels);
+        write_u32(sampling_rate);
+        write_u32(sampling_rate * num_channels * 2);
+        write_u16(num_channels * 2);
+        write_u16(16);
+        fwrite("dataxxxx", 1, 8, mFile);
+    }
+
+    ~WaveWriter() {
+        fseek(mFile, 40, SEEK_SET);
+        write_u32(mTotalBytes);
+
+        fseek(mFile, 4, SEEK_SET);
+        write_u32(36 + mTotalBytes);
+
+        fclose(mFile);
+        mFile = NULL;
+    }
+
+    void Append(const void *data, size_t size) {
+        fwrite(data, 1, size, mFile);
+        mTotalBytes += size;
+    }
+
+private:
+    void write_u16(uint16_t x) {
+        fputc(x & 0xff, mFile);
+        fputc(x >> 8, mFile);
+    }
+
+    void write_u32(uint32_t x) {
+        write_u16(x & 0xffff);
+        write_u16(x >> 16);
+    }
+
+    FILE *mFile;
+    size_t mTotalBytes;
+};
+
+}  // namespace android
+
+#endif  // ANDROID_WAVEWRITER_H_

cmds/stagefright/play.cpp

@@ -0,0 +1,295 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <binder/ProcessState.h>
+#include <media/stagefright/OMXClient.h>
+#include <media/stagefright/TimedEventQueue.h>
+#include <media/stagefright/MPEG4Extractor.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/MmapSource.h>
+#include <media/stagefright/OMXDecoder.h>
+
+using namespace android;
+
+struct NewPlayer {
+    NewPlayer();
+    ~NewPlayer();
+
+    void setSource(const char *uri);
+    void start();
+    void pause();
+    void stop();
+
+private:
+    struct PlayerEvent : public TimedEventQueue::Event {
+        PlayerEvent(NewPlayer *player,
+                    void (NewPlayer::*method)(int64_t realtime_us))
+            : mPlayer(player),
+              mMethod(method) {
+        }
+
+        virtual void fire(TimedEventQueue *queue, int64_t realtime_us) {
+            (mPlayer->*mMethod)(realtime_us);
+        }
+
+    private:
+        NewPlayer *mPlayer;
+        void (NewPlayer::*mMethod)(int64_t realtime_us);
+
+        PlayerEvent(const PlayerEvent &);
+        PlayerEvent &operator=(const PlayerEvent &);
+    };
+
+    struct PlayVideoFrameEvent : public TimedEventQueue::Event {
+        PlayVideoFrameEvent(NewPlayer *player, MediaBuffer *buffer)
+            : mPlayer(player),
+              mBuffer(buffer) {
+        }
+
+        virtual ~PlayVideoFrameEvent() {
+            if (mBuffer != NULL) {
+                mBuffer->release();
+                mBuffer = NULL;
+            }
+        }
+
+        virtual void fire(TimedEventQueue *queue, int64_t realtime_us) {
+            mPlayer->onPlayVideoFrame(realtime_us, mBuffer);
+            mBuffer = NULL;
+        }
+
+    private:
+        NewPlayer *mPlayer;
+        MediaBuffer *mBuffer;
+
+        PlayVideoFrameEvent(const PlayVideoFrameEvent &);
+        PlayVideoFrameEvent &operator=(const PlayVideoFrameEvent &);
+    };
+
+    OMXClient mClient;
+
+    MPEG4Extractor *mExtractor;
+    MediaSource *mAudioSource;
+    OMXDecoder *mAudioDecoder;
+    MediaSource *mVideoSource;
+    OMXDecoder *mVideoDecoder;
+
+    int32_t mVideoWidth, mVideoHeight;
+
+    TimedEventQueue mQueue;
+    wp<TimedEventQueue::Event> mPlayVideoFrameEvent;
+
+    int64_t mMediaTimeUsStart;
+    int64_t mRealTimeUsStart;
+
+    void setAudioSource(MediaSource *source);
+    void setVideoSource(MediaSource *source);
+
+    int64_t approxRealTime(int64_t mediatime_us) const;
+
+    void onStart(int64_t realtime_us);
+    void onPause(int64_t realtime_us);
+    void onFetchVideoFrame(int64_t realtime_us);
+    void onPlayVideoFrame(int64_t realtime_us, MediaBuffer *buffer);
+
+    static int64_t getMediaBufferTimeUs(MediaBuffer *buffer);
+
+    NewPlayer(const NewPlayer &);
+    NewPlayer &operator=(const NewPlayer &);
+};
+
+NewPlayer::NewPlayer()
+    : mExtractor(NULL),
+      mAudioSource(NULL),
+      mAudioDecoder(NULL),
+      mVideoSource(NULL),
+      mVideoDecoder(NULL),
+      mVideoWidth(0),
+      mVideoHeight(0) {
+    status_t err = mClient.connect();
+    assert(err == OK);
+}
+
+NewPlayer::~NewPlayer() {
+    stop();
+
+    mClient.disconnect();
+}
+
+void NewPlayer::setSource(const char *uri) {
+    stop();
+
+    mExtractor = new MPEG4Extractor(new MmapSource(uri));
+
+    int num_tracks;
+    status_t err = mExtractor->countTracks(&num_tracks);
+    assert(err == OK);
+
+    for (int i = 0; i < num_tracks; ++i) {
+        const sp<MetaData> meta = mExtractor->getTrackMetaData(i);
+        assert(meta != NULL);
+
+        const char *mime;
+        if (!meta->findCString(kKeyMIMEType, &mime)) {
+            continue;
+        }
+
+        bool is_audio = false;
+        bool is_acceptable = false;
+        if (!strncasecmp(mime, "audio/", 6)) {
+            is_audio = true;
+            is_acceptable = (mAudioSource == NULL);
+        } else if (!strncasecmp(mime, "video/", 6)) {
+            is_acceptable = (mVideoSource == NULL);
+        }
+
+        if (!is_acceptable) {
+            continue;
+        }
+
+        MediaSource *source;
+        if (mExtractor->getTrack(i, &source) != OK) {
+            continue;
+        }
+
+        if (is_audio) {
+            setAudioSource(source);
+        } else {
+            setVideoSource(source);
+        }
+    }
+}
+
+void NewPlayer::setAudioSource(MediaSource *source) {
+    mAudioSource = source;
+
+    sp<MetaData> meta = source->getFormat();
+
+    mAudioDecoder = OMXDecoder::Create(&mClient, meta);
+    mAudioDecoder->setSource(source);
+}
+
+void NewPlayer::setVideoSource(MediaSource *source) {
+    mVideoSource = source;
+
+    sp<MetaData> meta = source->getFormat();
+
+    bool success = meta->findInt32(kKeyWidth, &mVideoWidth);
+    assert(success);
+
+    success = meta->findInt32(kKeyHeight, &mVideoHeight);
+    assert(success);
+
+    mVideoDecoder = OMXDecoder::Create(&mClient, meta);
+    mVideoDecoder->setSource(source);
+}
+
+void NewPlayer::start() {
+    mQueue.start();
+    mQueue.postEvent(new PlayerEvent(this, &NewPlayer::onStart));
+}
+
+void NewPlayer::pause() {
+    mQueue.postEvent(new PlayerEvent(this, &NewPlayer::onPause));
+}
+
+void NewPlayer::stop() {
+    mQueue.stop();
+
+    delete mVideoDecoder;
+    mVideoDecoder = NULL;
+    delete mVideoSource;
+    mVideoSource = NULL;
+    mVideoWidth = mVideoHeight = 0;
+
+    delete mAudioDecoder;
+    mAudioDecoder = NULL;
+    delete mAudioSource;
+    mAudioSource = NULL;
+
+    delete mExtractor;
+    mExtractor = NULL;
+}
+
+int64_t NewPlayer::approxRealTime(int64_t mediatime_us) const {
+    return mRealTimeUsStart + (mediatime_us - mMediaTimeUsStart);
+}
+
+void NewPlayer::onStart(int64_t realtime_us) {
+    mRealTimeUsStart = TimedEventQueue::getRealTimeUs();
+
+    if (mVideoDecoder != NULL) {
+        mQueue.postEvent(new PlayerEvent(this, &NewPlayer::onFetchVideoFrame));
+    }
+}
+
+void NewPlayer::onFetchVideoFrame(int64_t realtime_us) {
+    MediaBuffer *buffer;
+    status_t err = mVideoDecoder->read(&buffer);
+    assert(err == OK);
+
+    int64_t mediatime_us = getMediaBufferTimeUs(buffer);
+
+    sp<TimedEventQueue::Event> event = new PlayVideoFrameEvent(this, buffer);
+    mPlayVideoFrameEvent = event;
+
+    mQueue.postTimedEvent(event, approxRealTime(mediatime_us));
+}
+
+// static
+int64_t NewPlayer::getMediaBufferTimeUs(MediaBuffer *buffer) {
+    int32_t units, scale;
+    bool success =
+        buffer->meta_data()->findInt32(kKeyTimeUnits, &units);
+    assert(success);
+    success =
+        buffer->meta_data()->findInt32(kKeyTimeScale, &scale);
+    assert(success);
+
+    return (int64_t)units * 1000000 / scale;
+}
+
+void NewPlayer::onPlayVideoFrame(int64_t realtime_us, MediaBuffer *buffer) {
+    LOGI("playing video frame (mediatime: %.2f sec)\n",
+         getMediaBufferTimeUs(buffer) / 1E6);
+    fflush(stdout);
+
+    buffer->release();
+    buffer = NULL;
+
+    mQueue.postEvent(new PlayerEvent(this, &NewPlayer::onFetchVideoFrame));
+}
+
+void NewPlayer::onPause(int64_t realtime_us) {
+}
+
+int main(int argc, char **argv) {
+    android::ProcessState::self()->startThreadPool();
+
+    if (argc != 2) {
+        fprintf(stderr, "usage: %s filename\n", argv[0]);
+        return 1;
+    }
+
+    NewPlayer player;
+    player.setSource(argv[1]);
+    player.start();
+    sleep(10);
+    player.stop();
+
+    return 0;
+}

cmds/stagefright/record.cpp

@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <binder/ProcessState.h>
+#include <media/stagefright/CameraSource.h>
+#include <media/stagefright/MediaBufferGroup.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/MPEG4Extractor.h>
+#include <media/stagefright/MPEG4Writer.h>
+#include <media/stagefright/MmapSource.h>
+#include <media/stagefright/OMXClient.h>
+#include <media/stagefright/OMXDecoder.h>
+
+using namespace android;
+
+class DummySource : public MediaSource {
+public:
+    DummySource(int width, int height)
+        : mSize((width * height * 3) / 2) {
+        mGroup.add_buffer(new MediaBuffer(mSize));
+    }
+
+    virtual ::status_t getMaxSampleSize(size_t *max_size) {
+        *max_size = mSize;
+        return ::OK;
+    }
+
+    virtual ::status_t read(MediaBuffer **buffer) {
+        ::status_t err = mGroup.acquire_buffer(buffer);
+        if (err != ::OK) {
+            return err;
+        }
+
+        char x = (char)((double)rand() / RAND_MAX * 255);
+        memset((*buffer)->data(), x, mSize);
+        (*buffer)->set_range(0, mSize);
+
+        return ::OK;
+    }
+
+private:
+    MediaBufferGroup mGroup;
+    size_t mSize;
+
+    DummySource(const DummySource &);
+    DummySource &operator=(const DummySource &);
+};
+
+int main(int argc, char **argv) {
+    android::ProcessState::self()->startThreadPool();
+
+#if 1
+    if (argc != 2) {
+        fprintf(stderr, "usage: %s filename\n", argv[0]);
+        return 1;
+    }
+
+    MPEG4Extractor extractor(new MmapSource(argv[1]));
+    int num_tracks;
+    assert(extractor.countTracks(&num_tracks) == ::OK);
+
+    MediaSource *source = NULL;
+    sp<MetaData> meta;
+    for (int i = 0; i < num_tracks; ++i) {
+        meta = extractor.getTrackMetaData(i);
+        assert(meta.get() != NULL);
+
+        const char *mime;
+        if (!meta->findCString(kKeyMIMEType, &mime)) {
+            continue;
+        }
+
+        if (strncasecmp(mime, "video/", 6)) {
+            continue;
+        }
+
+        if (extractor.getTrack(i, &source) != ::OK) {
+            source = NULL;
+            continue;
+        }
+        break;
+    }
+
+    if (source == NULL) {
+        fprintf(stderr, "Unable to find a suitable video track.\n");
+        return 1;
+    }
+
+    OMXClient client;
+    assert(client.connect() == android::OK);
+
+    OMXDecoder *decoder = OMXDecoder::Create(&client, meta);
+    decoder->setSource(source);
+
+    int width, height;
+    bool success = meta->findInt32(kKeyWidth, &width);
+    success = success && meta->findInt32(kKeyHeight, &height);
+    assert(success);
+
+    sp<MetaData> enc_meta = new MetaData;
+    // enc_meta->setCString(kKeyMIMEType, "video/3gpp");
+    enc_meta->setCString(kKeyMIMEType, "video/mp4v-es");
+    enc_meta->setInt32(kKeyWidth, width);
+    enc_meta->setInt32(kKeyHeight, height);
+
+    OMXDecoder *encoder = OMXDecoder::CreateEncoder(&client, enc_meta);
+
+    encoder->setSource(decoder);
+    // encoder->setSource(meta, new DummySource(width, height));
+
+#if 1
+    MPEG4Writer writer("/sdcard/output.mp4");
+    writer.addSource(enc_meta, encoder);
+    writer.start();
+    sleep(120);
+    writer.stop();
+#else
+    encoder->start();
+
+    MediaBuffer *buffer;
+    while (encoder->read(&buffer) == ::OK) {
+        printf("got an output frame of size %d\n", buffer->range_length());
+
+        buffer->release();
+        buffer = NULL;
+    }
+
+    encoder->stop();
+#endif
+
+    delete encoder;
+    encoder = NULL;
+
+    delete decoder;
+    decoder = NULL;
+
+    client.disconnect();
+
+    delete source;
+    source = NULL;
+#endif
+
+#if 0
+    CameraSource *source = CameraSource::Create();
+    printf("source = %p\n", source);
+
+    for (int i = 0; i < 100; ++i) {
+        MediaBuffer *buffer;
+        status_t err = source->read(&buffer);
+        assert(err == OK);
+
+        printf("got a frame, data=%p, size=%d\n",
+               buffer->data(), buffer->range_length());
+
+        buffer->release();
+        buffer = NULL;
+    }
+
+    delete source;
+    source = NULL;
+#endif
+
+    return 0;
+}
+

cmds/stagefright/stagefright.cpp

@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/time.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <pthread.h>
+#include <stdlib.h>
+
+#include <binder/IServiceManager.h>
+#include <binder/ProcessState.h>
+#include <media/IMediaPlayerService.h>
+#include <media/stagefright/AudioPlayer.h>
+#include <media/stagefright/CachingDataSource.h>
+#include <media/stagefright/ESDS.h>
+#include <media/stagefright/FileSource.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MediaPlayerImpl.h>
+#include <media/stagefright/MediaExtractor.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/MmapSource.h>
+#include <media/stagefright/OMXClient.h>
+#include <media/stagefright/OMXDecoder.h>
+
+#include "WaveWriter.h"
+
+using namespace android;
+
+////////////////////////////////////////////////////////////////////////////////
+
+static bool convertToWav(
+        OMXClient *client, const sp<MetaData> &meta, MediaSource *source) {
+    printf("convertToWav\n");
+
+    OMXDecoder *decoder = OMXDecoder::Create(client, meta);
+
+    int32_t sampleRate;
+    bool success = meta->findInt32(kKeySampleRate, &sampleRate);
+    assert(success);
+
+    int32_t numChannels;
+    success = meta->findInt32(kKeyChannelCount, &numChannels);
+    assert(success);
+
+    const char *mime;
+    success = meta->findCString(kKeyMIMEType, &mime);
+    assert(success);
+
+    if (!strcasecmp("audio/3gpp", mime)) {
+        numChannels = 1;  // XXX
+    }
+
+    WaveWriter writer("/sdcard/Music/shoutcast.wav", numChannels, sampleRate);
+
+    decoder->setSource(source);
+    for (int i = 0; i < 100; ++i) {
+        MediaBuffer *buffer;
+
+        ::status_t err = decoder->read(&buffer);
+        if (err != ::OK) {
+            break;
+        }
+
+        writer.Append((const char *)buffer->data() + buffer->range_offset(),
+                      buffer->range_length());
+
+        buffer->release();
+        buffer = NULL;
+    }
+
+    delete decoder;
+    decoder = NULL;
+
+    return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+static int64_t getNowUs() {
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+
+    return (int64_t)tv.tv_usec + tv.tv_sec * 1000000;
+}
+
+int main(int argc, char **argv) {
+    android::ProcessState::self()->startThreadPool();
+
+    if (argc > 1 && !strcmp(argv[1], "--list")) {
+        sp<IServiceManager> sm = defaultServiceManager();
+        sp<IBinder> binder = sm->getService(String16("media.player"));
+        sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
+
+        assert(service.get() != NULL);
+
+        sp<IOMX> omx = service->createOMX();
+        assert(omx.get() != NULL);
+
+        List<String8> list;
+        omx->list_nodes(&list);
+
+        for (List<String8>::iterator it = list.begin();
+             it != list.end(); ++it) {
+            printf("%s\n", (*it).string());
+        }
+
+        return 0;
+    }
+
+#if 0
+    MediaPlayerImpl player(argv[1]);
+    player.play();
+
+    sleep(10000);
+#else
+    DataSource::RegisterDefaultSniffers();
+
+    OMXClient client;
+    status_t err = client.connect();
+
+    MmapSource *dataSource = new MmapSource(argv[1]);
+    MediaExtractor *extractor = MediaExtractor::Create(dataSource);
+    dataSource = NULL;
+
+    int numTracks;
+    err = extractor->countTracks(&numTracks);
+
+    sp<MetaData> meta;
+    int i;
+    for (i = 0; i < numTracks; ++i) {
+        meta = extractor->getTrackMetaData(i);
+
+        const char *mime;
+        meta->findCString(kKeyMIMEType, &mime);
+
+        if (!strncasecmp(mime, "video/", 6)) {
+            break;
+        }
+    }
+
+    OMXDecoder *decoder = OMXDecoder::Create(&client, meta);
+
+    if (decoder != NULL) {
+        MediaSource *source;
+        err = extractor->getTrack(i, &source);
+
+        decoder->setSource(source);
+
+        decoder->start();
+
+        int64_t startTime = getNowUs();
+
+        int n = 0;
+        MediaBuffer *buffer;
+        while ((err = decoder->read(&buffer)) == OK) {
+            if ((++n % 16) == 0) {
+                printf(".");
+                fflush(stdout);
+            }
+
+            buffer->release();
+            buffer = NULL;
+        }
+        decoder->stop();
+        printf("\n");
+
+        int64_t delay = getNowUs() - startTime;
+        printf("avg. %.2f fps\n", n * 1E6 / delay);
+
+        delete decoder;
+        decoder = NULL;
+
+        delete source;
+        source = NULL;
+    }
+
+    delete extractor;
+    extractor = NULL;
+
+    client.disconnect();
+#endif
+
+    return 0;
+}

include/media/IMediaPlayerService.h

@@ -29,6 +29,7 @@
 namespace android {
 
 class IMediaRecorder;
+class IOMX;
 
 class IMediaPlayerService: public IInterface
 {
@@ -41,6 +42,7 @@ public:
     virtual sp<IMediaPlayer>    create(pid_t pid, const sp<IMediaPlayerClient>& client, int fd, int64_t offset, int64_t length) = 0;
     virtual sp<IMemory>         decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
     virtual sp<IMemory>         decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
+    virtual sp<IOMX>            createOMX() = 0;
 };
 
 // ----------------------------------------------------------------------------

include/media/IOMX.h

@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_IOMX_H_
+
+#define ANDROID_IOMX_H_
+
+#include <binder/IInterface.h>
+#include <utils/List.h>
+#include <utils/String8.h>
+
+#include <OMX_Core.h>
+
+#define IOMX_USES_SOCKETS       0
+
+namespace android {
+
+class IMemory;
+class IOMXObserver;
+
+class IOMX : public IInterface {
+public:
+    DECLARE_META_INTERFACE(OMX);
+
+    typedef void *buffer_id;
+    typedef void *node_id;
+
+#if IOMX_USES_SOCKETS
+    // If successful, returns a socket descriptor used for further
+    // communication. Caller assumes ownership of "*sd".
+    virtual status_t connect(int *sd) = 0;
+#endif
+
+    virtual status_t list_nodes(List<String8> *list) = 0;
+
+    virtual status_t allocate_node(const char *name, node_id *node) = 0;
+    virtual status_t free_node(node_id node) = 0;
+
+    virtual status_t send_command(
+            node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) = 0;
+
+    virtual status_t get_parameter(
+            node_id node, OMX_INDEXTYPE index,
+            void *params, size_t size) = 0;
+
+    virtual status_t set_parameter(
+            node_id node, OMX_INDEXTYPE index,
+            const void *params, size_t size) = 0;
+
+    virtual status_t use_buffer(
+            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
+            buffer_id *buffer) = 0;
+
+    virtual status_t allocate_buffer(
+            node_id node, OMX_U32 port_index, size_t size,
+            buffer_id *buffer) = 0;
+
+    virtual status_t allocate_buffer_with_backup(
+            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
+            buffer_id *buffer) = 0;
+
+    virtual status_t free_buffer(
+            node_id node, OMX_U32 port_index, buffer_id buffer) = 0;
+
+#if !IOMX_USES_SOCKETS
+    virtual status_t observe_node(
+            node_id node, const sp<IOMXObserver> &observer) = 0;
+
+    virtual void fill_buffer(node_id node, buffer_id buffer) = 0;
+
+    virtual void empty_buffer(
+            node_id node,
+            buffer_id buffer,
+            OMX_U32 range_offset, OMX_U32 range_length,
+            OMX_U32 flags, OMX_TICKS timestamp) = 0;
+#endif
+};
+
+struct omx_message {
+    enum {
+        EVENT,
+        EMPTY_BUFFER_DONE,
+        FILL_BUFFER_DONE,
+
+#if IOMX_USES_SOCKETS
+        EMPTY_BUFFER,
+        FILL_BUFFER,
+        SEND_COMMAND,
+        DISCONNECT,
+        DISCONNECTED,
+#endif
+
+        // reserved for OMXDecoder use.
+        START,
+        INITIAL_FILL_BUFFER,
+
+        // reserved for OMXObserver use.
+        QUIT_OBSERVER,
+    } type;
+
+    union {
+        // if type == EVENT
+        struct {
+            IOMX::node_id node;
+            OMX_EVENTTYPE event;
+            OMX_U32 data1;
+            OMX_U32 data2;
+        } event_data;
+
+        // if type == EMPTY_BUFFER_DONE || type == FILL_BUFFER
+        //    || type == INITIAL_FILL_BUFFER
+        struct {
+            IOMX::node_id node;
+            IOMX::buffer_id buffer;
+        } buffer_data;
+
+        // if type == EMPTY_BUFFER || type == FILL_BUFFER_DONE
+        struct {
+            IOMX::node_id node;
+            IOMX::buffer_id buffer;
+            OMX_U32 range_offset;
+            OMX_U32 range_length;
+            OMX_U32 flags;
+            OMX_TICKS timestamp;
+            OMX_PTR platform_private;  // ignored if type == EMPTY_BUFFER
+        } extended_buffer_data;
+
+        // if type == SEND_COMMAND
+        struct {
+            IOMX::node_id node;
+            OMX_COMMANDTYPE cmd;
+            OMX_S32 param;
+        } send_command_data;
+
+    } u;
+};
+
+class IOMXObserver : public IInterface {
+public:
+    DECLARE_META_INTERFACE(OMXObserver);
+
+    virtual void on_message(const omx_message &msg) = 0;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+class BnOMX : public BnInterface<IOMX> {
+public:
+    virtual status_t onTransact(
+            uint32_t code, const Parcel &data, Parcel *reply,
+            uint32_t flags = 0);
+};
+
+class BnOMXObserver : public BnInterface<IOMXObserver> {
+public:
+    virtual status_t onTransact(
+            uint32_t code, const Parcel &data, Parcel *reply,
+            uint32_t flags = 0);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_IOMX_H_

include/media/MediaPlayerInterface.h

@@ -32,7 +32,8 @@ class Parcel;
 enum player_type {
     PV_PLAYER = 1,
     SONIVOX_PLAYER = 2,
-    VORBIS_PLAYER = 3
+    VORBIS_PLAYER = 3,
+    STAGEFRIGHT_PLAYER = 4
 };
 
 
@@ -51,6 +52,9 @@ public:
     // AudioSink: abstraction layer for audio output
     class AudioSink : public RefBase {
     public:
+        typedef void (*AudioCallback)(
+                AudioSink *audioSink, void *buffer, size_t size, void *cookie);
+
         virtual             ~AudioSink() {}
         virtual bool        ready() const = 0; // audio output is open and ready
         virtual bool        realtime() const = 0; // audio output is real-time output
@@ -60,7 +64,17 @@ public:
         virtual ssize_t     frameSize() const = 0;
         virtual uint32_t    latency() const = 0;
         virtual float       msecsPerFrame() const = 0;
-        virtual status_t    open(uint32_t sampleRate, int channelCount, int format=AudioSystem::PCM_16_BIT, int bufferCount=DEFAULT_AUDIOSINK_BUFFERCOUNT) = 0;
+
+        // If no callback is specified, use the "write" API below to submit
+        // audio data. Otherwise return a full buffer of audio data on each
+        // callback.
+        virtual status_t    open(
+                uint32_t sampleRate, int channelCount,
+                int format=AudioSystem::PCM_16_BIT,
+                int bufferCount=DEFAULT_AUDIOSINK_BUFFERCOUNT,
+                AudioCallback cb = NULL,
+                void *cookie = NULL) = 0;
+
         virtual void        start() = 0;
         virtual ssize_t     write(const void* buffer, size_t size) = 0;
         virtual void        stop() = 0;

include/media/stagefright/AudioPlayer.h

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AUDIO_PLAYER_H_
+
+#define AUDIO_PLAYER_H_
+
+#include <media/MediaPlayerInterface.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/TimeSource.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class MediaSource;
+class AudioTrack;
+
+class AudioPlayer : public TimeSource {
+public:
+    AudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink);
+    ~AudioPlayer();
+
+    // Caller retains ownership of "source".
+    void setSource(MediaSource *source);
+
+    // Return time in us.
+    virtual int64_t getRealTimeUs();
+
+    void start();
+
+    void pause();
+    void resume();
+
+    void stop();
+
+    // Returns the timestamp of the last buffer played (in us).
+    int64_t getMediaTimeUs();
+
+    // Returns true iff a mapping is established, i.e. the AudioPlayer
+    // has played at least one frame of audio.
+    bool getMediaTimeMapping(int64_t *realtime_us, int64_t *mediatime_us);
+
+    status_t seekTo(int64_t time_us);
+
+private:
+    MediaSource *mSource;
+    AudioTrack *mAudioTrack;
+
+    MediaBuffer *mInputBuffer;
+
+    int mSampleRate;
+    int64_t mLatencyUs;
+    size_t mFrameSize;
+
+    Mutex mLock;
+    int64_t mNumFramesPlayed;
+
+    int64_t mPositionTimeMediaUs;
+    int64_t mPositionTimeRealUs;
+
+    bool mSeeking;
+    int64_t mSeekTimeUs;
+
+    bool mStarted;
+
+    sp<MediaPlayerBase::AudioSink> mAudioSink;
+
+    static void AudioCallback(int event, void *user, void *info);
+    void AudioCallback(int event, void *info);
+
+    static void AudioSinkCallback(
+            MediaPlayerBase::AudioSink *audioSink,
+            void *data, size_t size, void *me);
+
+    void fillBuffer(void *data, size_t size);
+
+    int64_t getRealTimeUsLocked() const;
+
+    AudioPlayer(const AudioPlayer &);
+    AudioPlayer &operator=(const AudioPlayer &);
+};
+
+}  // namespace android
+
+#endif  // AUDIO_PLAYER_H_

include/media/stagefright/AudioSource.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AUDIO_SOURCE_H_
+
+#define AUDIO_SOURCE_H_
+
+#include <media/stagefright/MediaSource.h>
+
+namespace android {
+
+class AudioRecord;
+
+class AudioSource {
+public:
+    AudioSource(int inputSource);
+    virtual ~AudioSource();
+
+    status_t initCheck() const;
+
+    virtual status_t start(MetaData *params = NULL);
+    virtual status_t stop();
+    virtual sp<MetaData> getFormat();
+
+    virtual status_t read(
+            MediaBuffer **buffer, const ReadOptions *options = NULL);
+
+private:
+    AudioRecord *mRecord;
+    status_t mInitCheck;
+
+    AudioSource(const AudioSource &);
+    AudioSource &operator=(const AudioSource &);
+};
+
+}  // namespace android
+
+#endif  // AUDIO_SOURCE_H_

include/media/stagefright/CachingDataSource.h

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef CACHING_DATASOURCE_H_
+
+#define CACHING_DATASOURCE_H_
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/MediaErrors.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class CachingDataSource : public DataSource {
+public:
+    // Assumes ownership of "source".
+    CachingDataSource(DataSource *source, size_t pageSize, int numPages);
+    virtual ~CachingDataSource();
+
+    status_t InitCheck() const;
+
+    virtual ssize_t read_at(off_t offset, void *data, size_t size);
+
+private:
+    struct Page {
+        Page *mPrev, *mNext;
+        off_t mOffset;
+        size_t mLength;
+        void *mData;
+    };
+
+    DataSource *mSource;
+    void *mData;
+    size_t mPageSize;
+    Page *mFirst, *mLast;
+
+    Page *allocate_page();
+
+    Mutex mLock;
+
+    CachingDataSource(const CachingDataSource &);
+    CachingDataSource &operator=(const CachingDataSource &);
+};
+
+}  // namespace android
+
+#endif  // CACHING_DATASOURCE_H_

include/media/stagefright/CameraSource.h

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef CAMERA_SOURCE_H_
+
+#define CAMERA_SOURCE_H_
+
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MediaSource.h>
+#include <utils/List.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class ICamera;
+class ICameraClient;
+class IMemory;
+
+class CameraSource : public MediaSource,
+                     public MediaBufferObserver {
+public:
+    static CameraSource *Create();
+
+    virtual ~CameraSource();
+
+    virtual status_t start(MetaData *params = NULL);
+    virtual status_t stop();
+
+    virtual sp<MetaData> getFormat();
+
+    virtual status_t read(
+            MediaBuffer **buffer, const ReadOptions *options = NULL);
+
+    virtual void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2);
+    virtual void dataCallback(int32_t msgType, const sp<IMemory>& data);
+
+    virtual void signalBufferReturned(MediaBuffer *buffer);
+
+private:
+    CameraSource(const sp<ICamera> &camera, const sp<ICameraClient> &client);
+
+    sp<ICamera> mCamera;
+    sp<ICameraClient> mCameraClient;
+
+    Mutex mLock;
+    Condition mFrameAvailableCondition;
+    List<sp<IMemory> > mFrames;
+
+    int mNumFrames;
+    bool mStarted;
+
+    CameraSource(const CameraSource &);
+    CameraSource &operator=(const CameraSource &);
+};
+
+}  // namespace android
+
+#endif  // CAMERA_SOURCE_H_

include/media/stagefright/DataSource.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef DATA_SOURCE_H_
+
+#define DATA_SOURCE_H_
+
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/List.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class String8;
+
+class DataSource {
+public:
+    DataSource() {}
+    virtual ~DataSource() {}
+
+    virtual ssize_t read_at(off_t offset, void *data, size_t size) = 0;
+
+    // May return ERROR_UNSUPPORTED.
+    virtual status_t getSize(off_t *size);
+
+    ////////////////////////////////////////////////////////////////////////////
+
+    bool sniff(String8 *mimeType, float *confidence);
+
+    typedef bool (*SnifferFunc)(
+            DataSource *source, String8 *mimeType, float *confidence);
+
+    static void RegisterSniffer(SnifferFunc func);
+    static void RegisterDefaultSniffers();
+
+private:
+    static Mutex gSnifferMutex;
+    static List<SnifferFunc> gSniffers;
+
+    DataSource(const DataSource &);
+    DataSource &operator=(const DataSource &);
+};
+
+}  // namespace android
+
+#endif  // DATA_SOURCE_H_

include/media/stagefright/ESDS.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ESDS_H_
+
+#define ESDS_H_
+
+#include <stdint.h>
+
+#include <media/stagefright/MediaErrors.h>
+
+namespace android {
+
+class ESDS {
+public:
+    ESDS(const void *data, size_t size);
+    ~ESDS();
+
+    status_t InitCheck() const;
+
+    status_t getCodecSpecificInfo(const void **data, size_t *size) const;
+
+private:
+    enum {
+        kTag_ESDescriptor            = 0x03,
+        kTag_DecoderConfigDescriptor = 0x04,
+        kTag_DecoderSpecificInfo     = 0x05
+    };
+
+    uint8_t *mData;
+    size_t mSize;
+
+    status_t mInitCheck;
+
+    size_t mDecoderSpecificOffset;
+    size_t mDecoderSpecificLength;
+
+    status_t skipDescriptorHeader(
+            size_t offset, size_t size,
+            uint8_t *tag, size_t *data_offset, size_t *data_size) const;
+
+    status_t parse();
+    status_t parseESDescriptor(size_t offset, size_t size);
+    status_t parseDecoderConfigDescriptor(size_t offset, size_t size);
+
+    ESDS(const ESDS &);
+    ESDS &operator=(const ESDS &);
+};
+
+}  // namespace android
+#endif  // ESDS_H_

include/media/stagefright/FileSource.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FILE_SOURCE_H_
+
+#define FILE_SOURCE_H_
+
+#include <stdio.h>
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/MediaErrors.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class FileSource : public DataSource {
+public:
+    FileSource(const char *filename);
+    virtual ~FileSource();
+
+    status_t InitCheck() const;
+
+    virtual ssize_t read_at(off_t offset, void *data, size_t size);
+
+private:
+    FILE *mFile;
+    Mutex mLock;
+
+    FileSource(const FileSource &);
+    FileSource &operator=(const FileSource &);
+};
+
+}  // namespace android
+
+#endif  // FILE_SOURCE_H_
+

include/media/stagefright/HTTPDataSource.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef HTTP_DATASOURCE_H_
+
+#define HTTP_DATASOURCE_H_
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/HTTPStream.h>
+
+namespace android {
+
+class HTTPDataSource : public DataSource {
+public:
+    HTTPDataSource(const char *host, int port, const char *path);
+    HTTPDataSource(const char *uri);
+
+    virtual ~HTTPDataSource();
+
+    // XXXandih
+    status_t InitCheck() const { return OK; }
+
+    virtual ssize_t read_at(off_t offset, void *data, size_t size);
+
+private:
+    enum {
+        kBufferSize = 64 * 1024
+    };
+
+    HTTPStream mHttp;
+    char *mHost;
+    int mPort;
+    char *mPath;
+
+    void *mBuffer;
+    size_t mBufferLength;
+    off_t mBufferOffset;
+
+    HTTPDataSource(const HTTPDataSource &);
+    HTTPDataSource &operator=(const HTTPDataSource &);
+};
+
+}  // namespace android
+
+#endif  // HTTP_DATASOURCE_H_
+

include/media/stagefright/HTTPStream.h

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef HTTP_STREAM_H_
+
+#define HTTP_STREAM_H_
+
+#include <sys/types.h>
+
+#include <media/stagefright/MediaErrors.h>
+#include <media/stagefright/string.h>
+#include <utils/KeyedVector.h>
+
+namespace android {
+
+class HTTPStream {
+public:
+    HTTPStream();
+    ~HTTPStream();
+
+    status_t connect(const char *server, int port = 80);
+    status_t disconnect();
+
+    status_t send(const char *data, size_t size);
+
+    // Assumes data is a '\0' terminated string.
+    status_t send(const char *data);
+
+    // Receive up to "size" bytes of data.
+    ssize_t receive(void *data, size_t size);
+
+    status_t receive_header(int *http_status);
+
+    // The header key used to retrieve the status line.
+    static const char *kStatusKey;
+
+    bool find_header_value(
+            const string &key, string *value) const;
+
+private:
+    enum State {
+        READY,
+        CONNECTED
+    };
+
+    State mState;
+    int mSocket;
+
+    KeyedVector<string, string> mHeaders;
+
+    // Receive a line of data terminated by CRLF, line will be '\0' terminated
+    // _excluding_ the termianting CRLF.
+    status_t receive_line(char *line, size_t size);
+
+    HTTPStream(const HTTPStream &);
+    HTTPStream &operator=(const HTTPStream &);
+};
+
+}  // namespace android
+
+#endif  // HTTP_STREAM_H_

include/media/stagefright/MP3Extractor.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MP3_EXTRACTOR_H_
+
+#define MP3_EXTRACTOR_H_
+
+#include <media/stagefright/MediaExtractor.h>
+
+namespace android {
+
+class DataSource;
+class String8;
+
+class MP3Extractor : public MediaExtractor {
+public:
+    // Extractor assumes ownership of "source".
+    MP3Extractor(DataSource *source);
+
+    ~MP3Extractor();
+
+    status_t countTracks(int *num_tracks);
+    status_t getTrack(int index, MediaSource **source);
+    sp<MetaData> getTrackMetaData(int index);
+
+private:
+    DataSource *mDataSource;
+    off_t mFirstFramePos;
+    sp<MetaData> mMeta;
+    uint32_t mFixedHeader;
+
+    MP3Extractor(const MP3Extractor &);
+    MP3Extractor &operator=(const MP3Extractor &);
+};
+
+bool SniffMP3(DataSource *source, String8 *mimeType, float *confidence);
+
+}  // namespace android
+
+#endif  // MP3_EXTRACTOR_H_

include/media/stagefright/MPEG4Extractor.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MPEG4_EXTRACTOR_H_
+
+#define MPEG4_EXTRACTOR_H_
+
+#include <media/stagefright/MediaExtractor.h>
+
+namespace android {
+
+class DataSource;
+class SampleTable;
+class String8;
+
+class MPEG4Extractor : public MediaExtractor {
+public:
+    // Extractor assumes ownership of "source".
+    MPEG4Extractor(DataSource *source);
+    ~MPEG4Extractor();
+
+    status_t countTracks(int *num_tracks);
+    status_t getTrack(int index, MediaSource **source);
+    sp<MetaData> getTrackMetaData(int index);
+
+private:
+    struct Track {
+        Track *next;
+        sp<MetaData> meta;
+        uint32_t timescale;
+        SampleTable *sampleTable;
+    };
+
+    DataSource *mDataSource;
+    bool mHaveMetadata;
+
+    Track *mFirstTrack, *mLastTrack;
+
+    uint32_t mHandlerType;
+
+    status_t readMetaData();
+    status_t parseChunk(off_t *offset, int depth);
+
+    MPEG4Extractor(const MPEG4Extractor &);
+    MPEG4Extractor &operator=(const MPEG4Extractor &);
+};
+
+bool SniffMPEG4(DataSource *source, String8 *mimeType, float *confidence);
+
+}  // namespace android
+
+#endif  // MPEG4_EXTRACTOR_H_

include/media/stagefright/MPEG4Writer.h

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MPEG4_WRITER_H_
+
+#define MPEG4_WRITER_H_
+
+#include <stdio.h>
+
+#include <utils/List.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class MediaBuffer;
+class MediaSource;
+class MetaData;
+
+class MPEG4Writer {
+public:
+    MPEG4Writer(const char *filename);
+    ~MPEG4Writer();
+
+    // Caller retains ownership of both meta and source.
+    void addSource(const sp<MetaData> &meta, MediaSource *source);
+    void start();
+    void stop();
+
+    void beginBox(const char *fourcc);
+    void writeInt8(int8_t x);
+    void writeInt16(int16_t x);
+    void writeInt32(int32_t x);
+    void writeInt64(int64_t x);
+    void writeCString(const char *s);
+    void writeFourcc(const char *fourcc);
+    void write(const void *data, size_t size);
+    void endBox();
+
+private:
+    class Track;
+
+    FILE *mFile;
+    off_t mOffset;
+    off_t mMdatOffset;
+    Mutex mLock;
+
+    List<Track *> mTracks;
+
+    List<off_t> mBoxes;
+
+    off_t addSample(MediaBuffer *buffer);
+
+    MPEG4Writer(const MPEG4Writer &);
+    MPEG4Writer &operator=(const MPEG4Writer &);
+};
+
+}  // namespace android
+
+#endif  // MPEG4_WRITER_H_

include/media/stagefright/MediaBuffer.h

@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_BUFFER_H_
+
+#define MEDIA_BUFFER_H_
+
+#include <pthread.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+namespace android {
+
+class MediaBuffer;
+class MediaBufferObserver;
+class MetaData;
+
+class MediaBufferObserver {
+public:
+    MediaBufferObserver() {}
+    virtual ~MediaBufferObserver() {}
+
+    virtual void signalBufferReturned(MediaBuffer *buffer) = 0;
+
+private:
+    MediaBufferObserver(const MediaBufferObserver &);
+    MediaBufferObserver &operator=(const MediaBufferObserver &);
+};
+
+class MediaBuffer {
+public:
+    // The underlying data remains the responsibility of the caller!
+    MediaBuffer(void *data, size_t size);
+
+    MediaBuffer(size_t size);
+
+    // Decrements the reference count and returns the buffer to its
+    // associated MediaBufferGroup if the reference count drops to 0.
+    void release();
+
+    // Increments the reference count.
+    void add_ref();
+
+    void *data() const;
+    size_t size() const;
+
+    size_t range_offset() const;
+    size_t range_length() const;
+
+    void set_range(size_t offset, size_t length);
+
+    sp<MetaData> meta_data();
+
+    // Clears meta data and resets the range to the full extent.
+    void reset();
+
+    void setObserver(MediaBufferObserver *group);
+
+    // Returns a clone of this MediaBuffer increasing its reference count.
+    // The clone references the same data but has its own range and
+    // MetaData.
+    MediaBuffer *clone();
+
+protected:
+    virtual ~MediaBuffer();
+
+private:
+    friend class MediaBufferGroup;
+    friend class OMXDecoder;
+
+    // For use by OMXDecoder, reference count must be 1, drop reference
+    // count to 0 without signalling the observer.
+    void claim();
+
+    MediaBufferObserver *mObserver;
+    MediaBuffer *mNextBuffer;
+    int mRefCount;
+
+    void *mData;
+    size_t mSize, mRangeOffset, mRangeLength;
+
+    bool mOwnsData;
+
+    sp<MetaData> mMetaData;
+
+    MediaBuffer *mOriginal;
+
+    void setNextBuffer(MediaBuffer *buffer);
+    MediaBuffer *nextBuffer();
+
+    int refcount() const;
+
+    MediaBuffer(const MediaBuffer &);
+    MediaBuffer &operator=(const MediaBuffer &);
+};
+
+}  // namespace android
+
+#endif  // MEDIA_BUFFER_H_

include/media/stagefright/MediaBufferGroup.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_BUFFER_GROUP_H_
+
+#define MEDIA_BUFFER_GROUP_H_
+
+#include <utils/Errors.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class MediaBuffer;
+class MetaData;
+
+class MediaBufferGroup : public MediaBufferObserver {
+public:
+    MediaBufferGroup();
+    ~MediaBufferGroup();
+
+    void add_buffer(MediaBuffer *buffer);
+
+    // Blocks until a buffer is available and returns it to the caller,
+    // the returned buffer will have a reference count of 1.
+    status_t acquire_buffer(MediaBuffer **buffer);
+
+protected:
+    virtual void signalBufferReturned(MediaBuffer *buffer);
+
+private:
+    friend class MediaBuffer;
+
+    Mutex mLock;
+    Condition mCondition;
+
+    MediaBuffer *mFirstBuffer, *mLastBuffer;
+
+    MediaBufferGroup(const MediaBufferGroup &);
+    MediaBufferGroup &operator=(const MediaBufferGroup &);
+};
+
+}  // namespace android
+
+#endif  // MEDIA_BUFFER_GROUP_H_

include/media/stagefright/MediaErrors.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_ERRORS_H_
+
+#define MEDIA_ERRORS_H_
+
+#include <utils/Errors.h>
+
+namespace android {
+
+enum {
+    MEDIA_ERROR_BASE        = -1000,
+
+    ERROR_ALREADY_CONNECTED = MEDIA_ERROR_BASE,
+    ERROR_NOT_CONNECTED     = MEDIA_ERROR_BASE - 1,
+    ERROR_UNKNOWN_HOST      = MEDIA_ERROR_BASE - 2,
+    ERROR_CANNOT_CONNECT    = MEDIA_ERROR_BASE - 3,
+    ERROR_IO                = MEDIA_ERROR_BASE - 4,
+    ERROR_CONNECTION_LOST   = MEDIA_ERROR_BASE - 5,
+    ERROR_MALFORMED         = MEDIA_ERROR_BASE - 7,
+    ERROR_OUT_OF_RANGE      = MEDIA_ERROR_BASE - 8,
+    ERROR_BUFFER_TOO_SMALL  = MEDIA_ERROR_BASE - 9,
+    ERROR_UNSUPPORTED       = MEDIA_ERROR_BASE - 10,
+    ERROR_END_OF_STREAM     = MEDIA_ERROR_BASE - 11,
+};
+
+}  // namespace android
+
+#endif  // MEDIA_ERRORS_H_

include/media/stagefright/MediaExtractor.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_EXTRACTOR_H_
+
+#define MEDIA_EXTRACTOR_H_
+
+#include <utils/RefBase.h>
+
+namespace android {
+
+class DataSource;
+class MediaSource;
+class MetaData;
+
+class MediaExtractor {
+public:
+    static MediaExtractor *Create(DataSource *source, const char *mime = NULL);
+
+    virtual ~MediaExtractor() {}
+
+    virtual status_t countTracks(int *num_tracks) = 0;
+    virtual status_t getTrack(int index, MediaSource **source) = 0;
+    virtual sp<MetaData> getTrackMetaData(int index) = 0;
+
+protected:
+    MediaExtractor() {}
+
+private:
+    MediaExtractor(const MediaExtractor &);
+    MediaExtractor &operator=(const MediaExtractor &);
+};
+
+}  // namespace android
+
+#endif  // MEDIA_EXTRACTOR_H_

include/media/stagefright/MediaPlayerImpl.h

@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_PLAYER_IMPL_H_
+
+#define MEDIA_PLAYER_IMPL_H_
+
+#include <pthread.h>
+
+#include <media/MediaPlayerInterface.h>
+#include <media/stagefright/OMXClient.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class AudioPlayer;
+class ISurface;
+class MediaExtractor;
+class MediaBuffer;
+class MediaSource;
+class MemoryHeapPmem;
+class MetaData;
+class OMXDecoder;
+class Surface;
+class TimeSource;
+class VideoRenderer;
+
+class MediaPlayerImpl {
+public:
+    MediaPlayerImpl(const char *uri);
+
+    status_t initCheck() const;
+
+    // Assumes ownership of "fd".
+    MediaPlayerImpl(int fd, int64_t offset, int64_t length);
+
+    ~MediaPlayerImpl();
+
+    void play();
+    void pause();
+    bool isPlaying() const;
+
+    void setSurface(const sp<Surface> &surface);
+    void setISurface(const sp<ISurface> &isurface);
+
+    void setAudioSink(const sp<MediaPlayerBase::AudioSink> &audioSink);
+
+    int32_t getWidth() const { return mVideoWidth; }
+    int32_t getHeight() const { return mVideoHeight; }
+
+    int64_t getDuration();
+    int64_t getPosition();
+    status_t seekTo(int64_t time);
+
+private:
+    status_t mInitCheck;
+
+    OMXClient mClient;
+
+    MediaExtractor *mExtractor;
+
+    TimeSource *mTimeSource;
+
+    MediaSource *mAudioSource;
+    OMXDecoder *mAudioDecoder;
+    AudioPlayer *mAudioPlayer;
+
+    MediaSource *mVideoSource;
+    MediaSource *mVideoDecoder;
+    int32_t mVideoWidth, mVideoHeight;
+    int64_t mVideoPosition;
+
+    int64_t mDuration;
+
+    bool mPlaying;
+    bool mPaused;
+
+    int64_t mTimeSourceDeltaUs;
+
+    sp<Surface> mSurface;
+    sp<ISurface> mISurface;
+    VideoRenderer *mRenderer;
+
+    sp<MediaPlayerBase::AudioSink> mAudioSink;
+
+    Mutex mLock;
+    pthread_t mVideoThread;
+
+    bool mSeeking;
+    int64_t mSeekTimeUs;
+
+    size_t mFrameSize;
+    bool mUseSoftwareColorConversion;
+
+    void init();
+
+    static void *VideoWrapper(void *me);
+    void videoEntry();
+
+    void setAudioSource(MediaSource *source);
+    void setVideoSource(MediaSource *source);
+
+    MediaSource *makeShoutcastSource(const char *path);
+
+    void displayOrDiscardFrame(MediaBuffer *buffer, int64_t pts_us);
+    void populateISurface();
+    void depopulateISurface();
+    void sendFrameToISurface(MediaBuffer *buffer);
+
+    void stop();
+
+    MediaPlayerImpl(const MediaPlayerImpl &);
+    MediaPlayerImpl &operator=(const MediaPlayerImpl &);
+};
+
+}  // namespace android
+
+#endif  // MEDIA_PLAYER_IMPL_H_

include/media/stagefright/MediaSource.h

@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_SOURCE_H_
+
+#define MEDIA_SOURCE_H_
+
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+
+namespace android {
+
+class MediaBuffer;
+class MetaData;
+
+struct MediaSource {
+    MediaSource();
+    virtual ~MediaSource();
+
+    // To be called before any other methods on this object, except
+    // getFormat().
+    virtual status_t start(MetaData *params = NULL) = 0;
+
+    // Any blocking read call returns immediately with a result of NO_INIT.
+    // It is an error to call any methods other than start after this call
+    // returns. Any buffers the object may be holding onto at the time of
+    // the stop() call are released.
+    // Also, it is imperative that any buffers output by this object and
+    // held onto by callers be released before a call to stop() !!!
+    virtual status_t stop() = 0;
+
+    // Returns the format of the data output by this media source.
+    virtual sp<MetaData> getFormat() = 0;
+
+    struct ReadOptions;
+
+    // Returns a new buffer of data. Call blocks until a
+    // buffer is available, an error is encountered of the end of the stream
+    // is reached.
+    // End of stream is signalled by a result of ERROR_END_OF_STREAM.
+    virtual status_t read(
+            MediaBuffer **buffer, const ReadOptions *options = NULL) = 0;
+
+    // Options that modify read() behaviour. The default is to
+    // a) not request a seek
+    // b) not be late, i.e. lateness_us = 0
+    struct ReadOptions {
+        ReadOptions();
+
+        // Reset everything back to defaults.
+        void reset();
+
+        void setSeekTo(int64_t time_us);
+        void clearSeekTo();
+        bool getSeekTo(int64_t *time_us) const;
+
+        void setLateBy(int64_t lateness_us);
+        int64_t getLateBy() const;
+
+    private:
+        enum Options {
+            kSeekTo_Option      = 1,
+        };
+
+        uint32_t mOptions;
+        int64_t mSeekTimeUs;
+        int64_t mLatenessUs;
+    };
+
+private:
+    MediaSource(const MediaSource &);
+    MediaSource &operator=(const MediaSource &);
+};
+
+}  // namespace android
+
+#endif  // MEDIA_SOURCE_H_

include/media/stagefright/MetaData.h

@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef META_DATA_H_
+
+#define META_DATA_H_
+
+#include <sys/types.h>
+
+#include <stdint.h>
+
+#include <utils/RefBase.h>
+#include <utils/KeyedVector.h>
+
+namespace android {
+
+enum {
+    kKeyMIMEType         = 'mime',
+    kKeyWidth            = 'widt',
+    kKeyHeight           = 'heig',
+    kKeyChannelCount     = '#chn',
+    kKeySampleRate       = 'srte',
+    kKeyBitRate          = 'brte',
+    kKeyESDS             = 'esds',
+    kKeyAVCC             = 'avcc',
+    kKeyTimeUnits        = '#tim',
+    kKeyTimeScale        = 'scal',
+    kKeyNeedsNALFraming  = 'NALf',
+    kKeyIsSyncFrame      = 'sync',
+    kKeyDuration         = 'dura',
+    kKeyColorFormat      = 'colf',
+    kKeyPlatformPrivate  = 'priv',
+    kKeyDecoderComponent = 'decC',
+};
+
+enum {
+    kTypeESDS        = 'esds',
+    kTypeAVCC        = 'avcc',
+};
+
+class MetaData : public RefBase {
+public:
+    MetaData();
+    MetaData(const MetaData &from);
+
+    enum Type {
+        TYPE_NONE     = 'none',
+        TYPE_C_STRING = 'cstr',
+        TYPE_INT32    = 'in32',
+        TYPE_FLOAT    = 'floa',
+        TYPE_POINTER  = 'ptr ',
+    };
+
+    void clear();
+    bool remove(uint32_t key);
+
+    bool setCString(uint32_t key, const char *value);
+    bool setInt32(uint32_t key, int32_t value);
+    bool setFloat(uint32_t key, float value);
+    bool setPointer(uint32_t key, void *value);
+
+    bool findCString(uint32_t key, const char **value);
+    bool findInt32(uint32_t key, int32_t *value);
+    bool findFloat(uint32_t key, float *value);
+    bool findPointer(uint32_t key, void **value);
+
+    bool setData(uint32_t key, uint32_t type, const void *data, size_t size);
+
+    bool findData(uint32_t key, uint32_t *type,
+                  const void **data, size_t *size) const;
+
+protected:
+    virtual ~MetaData();
+
+private:
+    struct typed_data {
+        typed_data();
+        ~typed_data();
+
+        typed_data(const MetaData::typed_data &);
+        typed_data &operator=(const MetaData::typed_data &);
+
+        void clear();
+        void setData(uint32_t type, const void *data, size_t size);
+        void getData(uint32_t *type, const void **data, size_t *size) const;
+
+    private:
+        uint32_t mType;
+        size_t mSize;
+
+        union {
+            void *ext_data;
+            float reservoir;
+        } u;
+
+        bool usesReservoir() const {
+            return mSize <= sizeof(u.reservoir);
+        }
+
+        void allocateStorage(size_t size);
+        void freeStorage();
+
+        void *storage() {
+            return usesReservoir() ? &u.reservoir : u.ext_data;
+        }
+
+        const void *storage() const {
+            return usesReservoir() ? &u.reservoir : u.ext_data;
+        }
+    };
+
+    KeyedVector<uint32_t, typed_data> mItems;
+
+    // MetaData &operator=(const MetaData &);
+};
+
+}  // namespace android
+
+#endif  // META_DATA_H_

include/media/stagefright/MmapSource.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MMAP_SOURCE_H_
+
+#define MMAP_SOURCE_H_
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/MediaErrors.h>
+
+namespace android {
+
+class MmapSource : public DataSource {
+public:
+    MmapSource(const char *filename);
+
+    // Assumes ownership of "fd".
+    MmapSource(int fd, int64_t offset, int64_t length);
+
+    virtual ~MmapSource();
+
+    status_t InitCheck() const;
+
+    virtual ssize_t read_at(off_t offset, void *data, size_t size);
+    virtual status_t getSize(off_t *size);
+
+private:
+    int mFd;
+    void *mBase;
+    size_t mSize;
+
+    MmapSource(const MmapSource &);
+    MmapSource &operator=(const MmapSource &);
+};
+
+}  // namespace android
+
+#endif  // MMAP_SOURCE_H_
+

include/media/stagefright/OMXClient.h

@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OMX_CLIENT_H_
+
+#define OMX_CLIENT_H_
+
+#include <media/IOMX.h>
+
+#include <utils/KeyedVector.h>
+#include <utils/List.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class OMXObserver {
+public:
+    OMXObserver();
+    virtual ~OMXObserver();
+
+    void postMessage(const omx_message &msg);
+
+protected:
+    virtual void onOMXMessage(const omx_message &msg) = 0;
+
+private:
+    friend class OMXClient;
+
+    pthread_t mThread;
+    Mutex mLock;
+    Condition mQueueNotEmpty;
+    List<omx_message> mQueue;
+
+    void start();
+    void stop();
+
+    static void *ThreadWrapper(void *me);
+    void threadEntry();
+
+    OMXObserver(const OMXObserver &);
+    OMXObserver &operator=(const OMXObserver &);
+};
+
+class OMXClient;
+
+class OMXClientReflector : public BnOMXObserver {
+public:
+    OMXClientReflector(OMXClient *client);
+
+    virtual void on_message(const omx_message &msg);
+    void reset();
+
+private:
+    OMXClient *mClient;
+
+    OMXClientReflector(const OMXClientReflector &);
+    OMXClientReflector &operator=(const OMXClientReflector &);
+};
+
+class OMXClient {
+public:
+    friend class OMXClientReflector;
+
+    OMXClient();
+    ~OMXClient();
+
+    status_t connect();
+    void disconnect();
+
+    sp<IOMX> interface() {
+        return mOMX;
+    }
+
+    status_t registerObserver(IOMX::node_id node, OMXObserver *observer);
+    void unregisterObserver(IOMX::node_id node);
+
+    status_t fillBuffer(IOMX::node_id node, IOMX::buffer_id buffer);
+
+    status_t emptyBuffer(
+            IOMX::node_id node, IOMX::buffer_id buffer,
+            OMX_U32 range_offset, OMX_U32 range_length,
+            OMX_U32 flags, OMX_TICKS timestamp);
+
+    status_t send_command(
+            IOMX::node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param);
+
+private:
+    sp<IOMX> mOMX;
+
+    int mSock;
+    Mutex mLock;
+    pthread_t mThread;
+
+    KeyedVector<IOMX::node_id, OMXObserver *> mObservers;
+
+    sp<OMXClientReflector> mReflector;
+
+#if IOMX_USES_SOCKETS
+    static void *ThreadWrapper(void *me);
+    void threadEntry();
+#endif
+
+    bool onOMXMessage(const omx_message &msg);
+
+    OMXClient(const OMXClient &);
+    OMXClient &operator=(const OMXClient &);
+};
+
+}  // namespace android
+
+#endif  // OMX_CLIENT_H_

include/media/stagefright/OMXDecoder.h

@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OMX_DECODER_H_
+
+#define OMX_DECODER_H_
+
+#include <binder/MemoryDealer.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/OMXClient.h>
+#include <utils/KeyedVector.h>
+#include <utils/List.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class OMXMediaBuffer;
+
+class OMXDecoder : public MediaSource,
+                   public OMXObserver,
+                   public MediaBufferObserver {
+public:
+    static OMXDecoder *Create(
+            OMXClient *client, const sp<MetaData> &data);
+
+    static OMXDecoder *CreateEncoder(
+            OMXClient *client, const sp<MetaData> &data);
+
+    virtual ~OMXDecoder();
+
+    // Caller retains ownership of "source".
+    void setSource(MediaSource *source);
+
+    virtual status_t start(MetaData *params = NULL);
+    virtual status_t stop();
+
+    virtual sp<MetaData> getFormat();
+
+    virtual status_t read(
+            MediaBuffer **buffer, const ReadOptions *options = NULL);
+
+    void addCodecSpecificData(const void *data, size_t size);
+
+    // from OMXObserver
+    virtual void onOMXMessage(const omx_message &msg);
+
+    // from MediaBufferObserver
+    virtual void signalBufferReturned(MediaBuffer *buffer);
+
+private:
+    enum {
+        kPortIndexInput  = 0,
+        kPortIndexOutput = 1
+    };
+
+    enum PortStatus {
+        kPortStatusActive   = 0,
+        kPortStatusDisabled = 1,
+        kPortStatusShutdown = 2,
+        kPortStatusFlushing = 3
+    };
+
+    OMXClient *mClient;
+    sp<IOMX> mOMX;
+    IOMX::node_id mNode;
+    char *mComponentName;
+    bool mIsMP3;
+
+    MediaSource *mSource;
+    sp<MetaData> mOutputFormat;
+
+    Mutex mLock;
+    Condition mOutputBufferAvailable;
+
+    List<MediaBuffer *> mOutputBuffers;
+
+    struct CodecSpecificData {
+        void *data;
+        size_t size;
+    };
+
+    List<CodecSpecificData> mCodecSpecificData;
+    List<CodecSpecificData>::iterator mCodecSpecificDataIterator;
+
+    volatile OMX_STATETYPE mState;
+    OMX_U32 mPortStatusMask;
+    bool mShutdownInitiated;
+
+    typedef List<IOMX::buffer_id> BufferList;
+    Vector<BufferList> mBuffers;
+
+    KeyedVector<IOMX::buffer_id, sp<IMemory> > mBufferMap;
+    KeyedVector<IOMX::buffer_id, OMXMediaBuffer *> mMediaBufferMap;
+
+    sp<MemoryDealer> mDealer;
+
+    bool mSeeking;
+    int64_t mSeekTimeUs;
+
+    bool mStarted;
+    status_t mErrorCondition;
+    bool mReachedEndOfInput;
+
+    OMXDecoder(OMXClient *client, IOMX::node_id node,
+               const char *mime, const char *codec);
+
+    void setPortStatus(OMX_U32 port_index, PortStatus status);
+    PortStatus getPortStatus(OMX_U32 port_index) const;
+
+    void allocateBuffers(OMX_U32 port_index);
+
+    void setAMRFormat();
+    void setAACFormat();
+    void setVideoOutputFormat(OMX_U32 width, OMX_U32 height);
+    void setup();
+    void dumpPortDefinition(OMX_U32 port_index);
+
+    void onStart();
+    void onEvent(OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2);
+    void onEventCmdComplete(OMX_COMMANDTYPE type, OMX_U32 data);
+    void onEventPortSettingsChanged(OMX_U32 port_index);
+    void onStateChanged(OMX_STATETYPE to);
+    void onEmptyBufferDone(IOMX::buffer_id buffer);
+    void onFillBufferDone(const omx_message &msg);
+
+    void onRealEmptyBufferDone(IOMX::buffer_id buffer);
+    void onRealFillBufferDone(const omx_message &msg);
+
+    void initiateShutdown();
+
+    void freeInputBuffer(IOMX::buffer_id buffer);
+    void freeOutputBuffer(IOMX::buffer_id buffer);
+
+    void postStart();
+    void postEmptyBufferDone(IOMX::buffer_id buffer);
+    void postInitialFillBuffer(IOMX::buffer_id buffer);
+
+    OMXDecoder(const OMXDecoder &);
+    OMXDecoder &operator=(const OMXDecoder &);
+};
+
+}  // namespace android
+
+#endif  // OMX_DECODER_H_

include/media/stagefright/QComHardwareRenderer.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef QCOM_HARDWARE_RENDERER_H_
+
+#define QCOM_HARDWARE_RENDERER_H_
+
+#include <media/stagefright/VideoRenderer.h>
+#include <utils/RefBase.h>
+
+namespace android {
+
+class ISurface;
+class MemoryHeapPmem;
+
+class QComHardwareRenderer : public VideoRenderer {
+public:
+    QComHardwareRenderer(
+            const sp<ISurface> &surface,
+            size_t displayWidth, size_t displayHeight,
+            size_t decodedWidth, size_t decodedHeight);
+
+    virtual ~QComHardwareRenderer();
+
+    virtual void render(
+            const void *data, size_t size, void *platformPrivate);
+
+private:
+    sp<ISurface> mISurface;
+    size_t mDisplayWidth, mDisplayHeight;
+    size_t mDecodedWidth, mDecodedHeight;
+    size_t mFrameSize;
+    sp<MemoryHeapPmem> mMemoryHeap;
+
+    bool getOffset(void *platformPrivate, size_t *offset);
+    void publishBuffers(uint32_t pmem_fd);
+
+    QComHardwareRenderer(const QComHardwareRenderer &);
+    QComHardwareRenderer &operator=(const QComHardwareRenderer &);
+};
+
+}  // namespace android
+
+#endif  // QCOM_HARDWARE_RENDERER_H_

include/media/stagefright/SampleTable.h

@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SAMPLE_TABLE_H_
+
+#define SAMPLE_TABLE_H_
+
+#include <sys/types.h>
+#include <stdint.h>
+
+#include <media/stagefright/MediaErrors.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class DataSource;
+
+class SampleTable {
+public:
+    // Caller retains ownership of "source".
+    SampleTable(DataSource *source);
+    ~SampleTable();
+
+    // type can be 'stco' or 'co64'.
+    status_t setChunkOffsetParams(
+            uint32_t type, off_t data_offset, off_t data_size);
+
+    status_t setSampleToChunkParams(off_t data_offset, off_t data_size);
+
+    // type can be 'stsz' or 'stz2'.
+    status_t setSampleSizeParams(
+            uint32_t type, off_t data_offset, off_t data_size);
+
+    status_t setTimeToSampleParams(off_t data_offset, off_t data_size);
+
+    status_t setSyncSampleParams(off_t data_offset, off_t data_size);
+
+    ////////////////////////////////////////////////////////////////////////////
+
+    uint32_t countChunkOffsets() const;
+    status_t getChunkOffset(uint32_t chunk_index, off_t *offset);
+
+    status_t getChunkForSample(
+            uint32_t sample_index, uint32_t *chunk_index,
+            uint32_t *chunk_relative_sample_index, uint32_t *desc_index);
+
+    uint32_t countSamples() const;
+    status_t getSampleSize(uint32_t sample_index, size_t *sample_size);
+
+    status_t getSampleOffsetAndSize(
+            uint32_t sample_index, off_t *offset, size_t *size);
+
+    status_t getMaxSampleSize(size_t *size);
+
+    status_t getDecodingTime(uint32_t sample_index, uint32_t *time);
+
+    enum {
+        kSyncSample_Flag = 1
+    };
+    status_t findClosestSample(
+            uint32_t req_time, uint32_t *sample_index, uint32_t flags);
+
+    status_t findClosestSyncSample(
+            uint32_t start_sample_index, uint32_t *sample_index);
+
+private:
+    DataSource *mDataSource;
+    Mutex mLock;
+
+    off_t mChunkOffsetOffset;
+    uint32_t mChunkOffsetType;
+    uint32_t mNumChunkOffsets;
+
+    off_t mSampleToChunkOffset;
+    uint32_t mNumSampleToChunkOffsets;
+
+    off_t mSampleSizeOffset;
+    uint32_t mSampleSizeFieldSize;
+    uint32_t mDefaultSampleSize;
+    uint32_t mNumSampleSizes;
+
+    uint32_t mTimeToSampleCount;
+    uint32_t *mTimeToSample;
+
+    off_t mSyncSampleOffset;
+    uint32_t mNumSyncSamples;
+
+    SampleTable(const SampleTable &);
+    SampleTable &operator=(const SampleTable &);
+};
+
+}  // namespace android
+
+#endif  // SAMPLE_TABLE_H_

include/media/stagefright/ShoutcastSource.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SHOUTCAST_SOURCE_H_
+
+#define SHOUTCAST_SOURCE_H_
+
+#include <sys/types.h>
+
+#include <media/stagefright/MediaSource.h>
+
+namespace android {
+
+class HTTPStream;
+class MediaBufferGroup;
+
+class ShoutcastSource : public MediaSource {
+public:
+    // Assumes ownership of "http".
+    ShoutcastSource(HTTPStream *http);
+    virtual ~ShoutcastSource();
+
+    virtual status_t start(MetaData *params = NULL);
+    virtual status_t stop();
+
+    virtual sp<MetaData> getFormat();
+
+    virtual status_t read(
+            MediaBuffer **buffer, const ReadOptions *options = NULL);
+
+private:
+    HTTPStream *mHttp;
+    size_t mMetaDataOffset;
+    size_t mBytesUntilMetaData;
+
+    MediaBufferGroup *mGroup;
+    bool mStarted;
+
+    ShoutcastSource(const ShoutcastSource &);
+    ShoutcastSource &operator= (const ShoutcastSource &);
+};
+
+}  // namespace android
+
+#endif  // SHOUTCAST_SOURCE_H_
+

include/media/stagefright/SoftwareRenderer.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SOFTWARE_RENDERER_H_
+
+#define SOFTWARE_RENDERER_H_
+
+#include <media/stagefright/VideoRenderer.h>
+#include <utils/RefBase.h>
+
+namespace android {
+
+class ISurface;
+class MemoryHeapBase;
+
+class SoftwareRenderer : public VideoRenderer {
+public:
+    SoftwareRenderer(
+            const sp<ISurface> &surface,
+            size_t displayWidth, size_t displayHeight,
+            size_t decodedWidth, size_t decodedHeight);
+
+    virtual ~SoftwareRenderer();
+
+    virtual void render(
+            const void *data, size_t size, void *platformPrivate);
+
+private:
+    sp<ISurface> mISurface;
+    size_t mDisplayWidth, mDisplayHeight;
+    size_t mDecodedWidth, mDecodedHeight;
+    size_t mFrameSize;
+    sp<MemoryHeapBase> mMemoryHeap;
+    int mIndex;
+
+    SoftwareRenderer(const SoftwareRenderer &);
+    SoftwareRenderer &operator=(const SoftwareRenderer &);
+};
+
+}  // namespace android
+
+#endif  // SOFTWARE_RENDERER_H_

include/media/stagefright/SurfaceRenderer.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SURFACE_RENDERER_H_
+
+#define SURFACE_RENDERER_H_
+
+#include <media/stagefright/VideoRenderer.h>
+#include <utils/RefBase.h>
+
+namespace android {
+
+class Surface;
+
+class SurfaceRenderer : public VideoRenderer {
+public:
+    SurfaceRenderer(
+            const sp<Surface> &surface,
+            size_t displayWidth, size_t displayHeight,
+            size_t decodedWidth, size_t decodedHeight);
+
+    virtual ~SurfaceRenderer();
+
+    virtual void render(
+            const void *data, size_t size, void *platformPrivate);
+
+private:
+    sp<Surface> mSurface;
+    size_t mDisplayWidth, mDisplayHeight;
+    size_t mDecodedWidth, mDecodedHeight;
+
+    SurfaceRenderer(const SurfaceRenderer &);
+    SurfaceRenderer &operator=(const SurfaceRenderer &);
+};
+
+}  // namespace android
+
+#endif  // SURFACE_RENDERER_H_

include/media/stagefright/TimeSource.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TIME_SOURCE_H_
+
+#define TIME_SOURCE_H_
+
+namespace android {
+
+class TimeSource {
+public:
+    TimeSource() {}
+    virtual ~TimeSource() {}
+
+    virtual int64_t getRealTimeUs() = 0;
+
+private:
+    TimeSource(const TimeSource &);
+    TimeSource &operator=(const TimeSource &);
+};
+
+class SystemTimeSource : public TimeSource {
+public:
+    SystemTimeSource();
+
+    virtual int64_t getRealTimeUs();
+
+private:
+    static int64_t GetSystemTimeUs();
+
+    int64_t mStartTimeUs;
+};
+
+}  // namespace android
+
+#endif  // TIME_SOURCE_H_

include/media/stagefright/TimedEventQueue.h

@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TIMED_EVENT_QUEUE_H_
+
+#define TIMED_EVENT_QUEUE_H_
+
+#include <pthread.h>
+
+#include <utils/List.h>
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+namespace android {
+
+struct TimedEventQueue {
+
+    struct Event : public RefBase {
+        Event() {}
+        virtual ~Event() {}
+
+    protected:
+        virtual void fire(TimedEventQueue *queue, int64_t now_us) = 0;
+
+    private:
+        friend class TimedEventQueue;
+
+        Event(const Event &);
+        Event &operator=(const Event &);
+    };
+
+    TimedEventQueue();
+    ~TimedEventQueue();
+
+    // Start executing the event loop.
+    void start();
+
+    // Stop executing the event loop, if flush is false, any pending
+    // events are discarded, otherwise the queue will stop (and this call
+    // return) once all pending events have been handled.
+    void stop(bool flush = false);
+
+    // Posts an event to the front of the queue (after all events that
+    // have previously been posted to the front but before timed events).
+    void postEvent(const sp<Event> &event);
+
+    void postEventToBack(const sp<Event> &event);
+
+    // It is an error to post an event with a negative delay.
+    void postEventWithDelay(const sp<Event> &event, int64_t delay_us);
+
+    // If the event is to be posted at a time that has already passed,
+    // it will fire as soon as possible.
+    void postTimedEvent(const sp<Event> &event, int64_t realtime_us);
+
+    // Returns true iff event is currently in the queue and has been
+    // successfully cancelled. In this case the event will have been
+    // removed from the queue and won't fire.
+    bool cancelEvent(const sp<Event> &event);
+
+    static int64_t getRealTimeUs();
+
+private:
+    struct QueueItem {
+        sp<Event> event;
+        int64_t realtime_us;
+    };
+
+    struct StopEvent : public TimedEventQueue::Event {
+        virtual void fire(TimedEventQueue *queue, int64_t now_us) {
+            queue->mStopped = true;
+        }
+    };
+
+    pthread_t mThread;
+    List<QueueItem> mQueue;
+    Mutex mLock;
+    Condition mQueueNotEmptyCondition;
+    Condition mQueueHeadChangedCondition;
+
+    bool mRunning;
+    bool mStopped;
+
+    static void *ThreadWrapper(void *me);
+    void threadEntry();
+
+    TimedEventQueue(const TimedEventQueue &);
+    TimedEventQueue &operator=(const TimedEventQueue &);
+};
+
+}  // namespace android
+
+#endif  // TIMED_EVENT_QUEUE_H_

include/media/stagefright/Utils.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UTILS_H_
+
+#define UTILS_H_
+
+#include <stdint.h>
+
+namespace android {
+
+#define FOURCC(c1, c2, c3, c4) \
+    (c1 << 24 | c2 << 16 | c3 << 8 | c4)
+
+uint16_t U16_AT(const uint8_t *ptr);
+uint32_t U32_AT(const uint8_t *ptr);
+uint64_t U64_AT(const uint8_t *ptr);
+
+uint64_t ntoh64(uint64_t x);
+uint64_t hton64(uint64_t x);
+
+}  // namespace android
+
+#endif  // UTILS_H_

include/media/stagefright/VideoRenderer.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VIDEO_RENDERER_H_
+
+#define VIDEO_RENDERER_H_
+
+#include <sys/types.h>
+
+namespace android {
+
+class VideoRenderer {
+public:
+    virtual ~VideoRenderer() {}
+
+    virtual void render(
+            const void *data, size_t size, void *platformPrivate) = 0;
+
+protected:
+    VideoRenderer() {}
+
+    VideoRenderer(const VideoRenderer &);
+    VideoRenderer &operator=(const VideoRenderer &);
+};
+
+}  // namespace android
+
+#endif  // VIDEO_RENDERER_H_

include/media/stagefright/string.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef STRING_H_
+
+#define STRING_H_
+
+#include <utils/String8.h>
+
+namespace android {
+
+class string {
+public:
+    typedef size_t size_type;
+    static size_type npos;
+
+    string();
+    string(const char *s);
+    string(const char *s, size_t length);
+    string(const string &from, size_type start, size_type length = npos);
+
+    const char *c_str() const;
+    size_type size() const;
+
+    void clear();
+    void erase(size_type from, size_type length);
+
+    size_type find(char c) const;
+
+    bool operator<(const string &other) const;
+    bool operator==(const string &other) const;
+
+    string &operator+=(char c);
+
+private:
+    String8 mString;
+};
+
+}  // namespace android
+
+#endif  // STRING_H_

media/libmedia/Android.mk

@@ -18,7 +18,8 @@ LOCAL_SRC_FILES:= \
 	IMediaMetadataRetriever.cpp \
 	mediametadataretriever.cpp \
 	ToneGenerator.cpp \
-	JetPlayer.cpp
+	JetPlayer.cpp \
+        IOMX.cpp
 
 LOCAL_SHARED_LIBRARIES := \
 	libui libcutils libutils libbinder libsonivox
@@ -34,6 +35,7 @@ LOCAL_SHARED_LIBRARIES += libdl
 endif
 
 LOCAL_C_INCLUDES := \
-	$(call include-path-for, graphics corecg)
+	$(call include-path-for, graphics corecg) \
+        $(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include
 
 include $(BUILD_SHARED_LIBRARY)

media/libmedia/IMediaPlayerService.cpp

@@ -17,12 +17,14 @@
 
 #include <stdint.h>
 #include <sys/types.h>
-#include <binder/Parcel.h>
 
+#include <binder/Parcel.h>
 #include <binder/IMemory.h>
-#include <utils/Errors.h>  // for status_t
 #include <media/IMediaPlayerService.h>
 #include <media/IMediaRecorder.h>
+#include <media/IOMX.h>
+
+#include <utils/Errors.h>  // for status_t
 
 namespace android {
 
@@ -33,6 +35,7 @@ enum {
     DECODE_FD,
     CREATE_MEDIA_RECORDER,
     CREATE_METADATA_RETRIEVER,
+    CREATE_OMX,
 };
 
 class BpMediaPlayerService: public BpInterface<IMediaPlayerService>
@@ -110,6 +113,13 @@ public:
         *pFormat = reply.readInt32();
         return interface_cast<IMemory>(reply.readStrongBinder());
     }
+
+    virtual sp<IOMX> createOMX() {
+        Parcel data, reply;
+        data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
+        remote()->transact(CREATE_OMX, data, &reply);
+        return interface_cast<IOMX>(reply.readStrongBinder());
+    }
 };
 
 IMPLEMENT_META_INTERFACE(MediaPlayerService, "android.media.IMediaPlayerService");
@@ -182,6 +192,12 @@ status_t BnMediaPlayerService::onTransact(
             reply->writeStrongBinder(retriever->asBinder());
             return NO_ERROR;
         } break;
+        case CREATE_OMX: {
+            CHECK_INTERFACE(IMediaPlayerService, data, reply);
+            sp<IOMX> omx = createOMX();
+            reply->writeStrongBinder(omx->asBinder());
+            return NO_ERROR;
+        } break;
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }

media/libmedia/IOMX.cpp

@@ -0,0 +1,561 @@
+//#define LOG_NDEBUG 0
+#define LOG_TAG "IOMX"
+#include <utils/Log.h>
+
+#include <binder/IMemory.h>
+#include <binder/Parcel.h>
+#include <media/IOMX.h>
+
+namespace android {
+
+enum {
+    CONNECT = IBinder::FIRST_CALL_TRANSACTION,
+    LIST_NODES,
+    ALLOCATE_NODE,
+    FREE_NODE,
+    SEND_COMMAND,
+    GET_PARAMETER,
+    SET_PARAMETER,
+    USE_BUFFER,
+    ALLOC_BUFFER,
+    ALLOC_BUFFER_WITH_BACKUP,
+    FREE_BUFFER,
+    OBSERVE_NODE,
+    FILL_BUFFER,
+    EMPTY_BUFFER,
+    OBSERVER_ON_MSG,
+};
+
+static void *readVoidStar(const Parcel *parcel) {
+    // FIX if sizeof(void *) != sizeof(int32)
+    return (void *)parcel->readInt32();
+}
+
+static void writeVoidStar(void *x, Parcel *parcel) {
+    // FIX if sizeof(void *) != sizeof(int32)
+    parcel->writeInt32((int32_t)x);
+}
+
+class BpOMX : public BpInterface<IOMX> {
+public:
+    BpOMX(const sp<IBinder> &impl)
+        : BpInterface<IOMX>(impl) {
+    }
+
+#if IOMX_USES_SOCKETS
+    virtual status_t connect(int *sd) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        remote()->transact(CONNECT, data, &reply);
+
+        status_t err = reply.readInt32();
+        if (err == OK) {
+            *sd = dup(reply.readFileDescriptor());
+        } else {
+            *sd = -1;
+        }
+
+        return reply.readInt32();
+    }
+#endif
+
+    virtual status_t list_nodes(List<String8> *list) {
+        list->clear();
+
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        remote()->transact(LIST_NODES, data, &reply);
+
+        int32_t n = reply.readInt32();
+        for (int32_t i = 0; i < n; ++i) {
+            String8 s = reply.readString8();
+
+            list->push_back(s);
+        }
+
+        return OK;
+    }
+
+    virtual status_t allocate_node(const char *name, node_id *node) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        data.writeCString(name);
+        remote()->transact(ALLOCATE_NODE, data, &reply);
+
+        status_t err = reply.readInt32();
+        if (err == OK) {
+            *node = readVoidStar(&reply);
+        } else {
+            *node = 0;
+        }
+
+        return err;
+    }
+
+    virtual status_t free_node(node_id node) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        remote()->transact(FREE_NODE, data, &reply);
+
+        return reply.readInt32();
+    }
+
+    virtual status_t send_command(
+            node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        data.writeInt32(cmd);
+        data.writeInt32(param);
+        remote()->transact(SEND_COMMAND, data, &reply);
+
+        return reply.readInt32();
+    }
+
+    virtual status_t get_parameter(
+            node_id node, OMX_INDEXTYPE index,
+            void *params, size_t size) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        data.writeInt32(index);
+        data.writeInt32(size);
+        data.write(params, size);
+        remote()->transact(GET_PARAMETER, data, &reply);
+
+        status_t err = reply.readInt32();
+        if (err != OK) {
+            return err;
+        }
+
+        reply.read(params, size);
+
+        return OK;
+    }
+
+    virtual status_t set_parameter(
+            node_id node, OMX_INDEXTYPE index,
+            const void *params, size_t size) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        data.writeInt32(index);
+        data.writeInt32(size);
+        data.write(params, size);
+        remote()->transact(SET_PARAMETER, data, &reply);
+
+        return reply.readInt32();
+    }
+
+    virtual status_t use_buffer(
+            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
+            buffer_id *buffer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        data.writeInt32(port_index);
+        data.writeStrongBinder(params->asBinder());
+        remote()->transact(USE_BUFFER, data, &reply);
+
+        status_t err = reply.readInt32();
+        if (err != OK) {
+            *buffer = 0;
+
+            return err;
+        }
+
+        *buffer = readVoidStar(&reply);
+
+        return err;
+    }
+
+    virtual status_t allocate_buffer(
+            node_id node, OMX_U32 port_index, size_t size,
+            buffer_id *buffer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        data.writeInt32(port_index);
+        data.writeInt32(size);
+        remote()->transact(ALLOC_BUFFER, data, &reply);
+
+        status_t err = reply.readInt32();
+        if (err != OK) {
+            *buffer = 0;
+
+            return err;
+        }
+
+        *buffer = readVoidStar(&reply);
+
+        return err;
+    }
+
+    virtual status_t allocate_buffer_with_backup(
+            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
+            buffer_id *buffer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        data.writeInt32(port_index);
+        data.writeStrongBinder(params->asBinder());
+        remote()->transact(ALLOC_BUFFER_WITH_BACKUP, data, &reply);
+
+        status_t err = reply.readInt32();
+        if (err != OK) {
+            *buffer = 0;
+
+            return err;
+        }
+
+        *buffer = readVoidStar(&reply);
+
+        return err;
+    }
+
+    virtual status_t free_buffer(
+            node_id node, OMX_U32 port_index, buffer_id buffer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        data.writeInt32(port_index);
+        writeVoidStar(buffer, &data);
+        remote()->transact(FREE_BUFFER, data, &reply);
+
+        return reply.readInt32();
+    }
+
+#if !IOMX_USES_SOCKETS
+    virtual status_t observe_node(
+            node_id node, const sp<IOMXObserver> &observer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        data.writeStrongBinder(observer->asBinder());
+        remote()->transact(OBSERVE_NODE, data, &reply);
+
+        return reply.readInt32();
+    }
+
+    virtual void fill_buffer(node_id node, buffer_id buffer) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        writeVoidStar(buffer, &data);
+        remote()->transact(FILL_BUFFER, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+
+    virtual void empty_buffer(
+            node_id node,
+            buffer_id buffer,
+            OMX_U32 range_offset, OMX_U32 range_length,
+            OMX_U32 flags, OMX_TICKS timestamp) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
+        writeVoidStar(node, &data);
+        writeVoidStar(buffer, &data);
+        data.writeInt32(range_offset);
+        data.writeInt32(range_length);
+        data.writeInt32(flags);
+        data.writeInt64(timestamp);
+        remote()->transact(EMPTY_BUFFER, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+#endif
+};
+
+IMPLEMENT_META_INTERFACE(OMX, "android.hardware.IOMX");
+
+////////////////////////////////////////////////////////////////////////////////
+
+#define CHECK_INTERFACE(interface, data, reply) \
+        do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
+            LOGW("Call incorrectly routed to " #interface); \
+            return PERMISSION_DENIED; \
+        } } while (0)
+
+status_t BnOMX::onTransact(
+    uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
+    switch (code) {
+#if IOMX_USES_SOCKETS
+        case CONNECT:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            int s;
+            status_t err = connect(&s);
+            
+            reply->writeInt32(err);
+            if (err == OK) {
+                assert(s >= 0);
+                reply->writeDupFileDescriptor(s);
+                close(s);
+                s = -1;
+            } else {
+                assert(s == -1);
+            }
+
+            return NO_ERROR;
+        }
+#endif
+
+        case LIST_NODES:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            List<String8> list;
+            list_nodes(&list);
+
+            reply->writeInt32(list.size());
+            for (List<String8>::iterator it = list.begin();
+                 it != list.end(); ++it) {
+                reply->writeString8(*it);
+            }
+
+            return NO_ERROR;
+        }
+
+        case ALLOCATE_NODE:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node;
+            status_t err = allocate_node(data.readCString(), &node);
+            reply->writeInt32(err);
+            if (err == OK) {
+                writeVoidStar(node, reply);
+            }
+                
+            return NO_ERROR;
+        }
+
+        case FREE_NODE:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+
+            reply->writeInt32(free_node(node));
+                
+            return NO_ERROR;
+        }
+
+        case SEND_COMMAND:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+
+            OMX_COMMANDTYPE cmd =
+                static_cast<OMX_COMMANDTYPE>(data.readInt32());
+
+            OMX_S32 param = data.readInt32();
+            reply->writeInt32(send_command(node, cmd, param));
+
+            return NO_ERROR;
+        }
+
+        case GET_PARAMETER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            OMX_INDEXTYPE index = static_cast<OMX_INDEXTYPE>(data.readInt32());
+
+            size_t size = data.readInt32();
+
+            // XXX I am not happy with this but Parcel::readInplace didn't work.
+            void *params = malloc(size);
+            data.read(params, size);
+
+            status_t err = get_parameter(node, index, params, size);
+
+            reply->writeInt32(err);
+
+            if (err == OK) {
+                reply->write(params, size);
+            }
+
+            free(params);
+            params = NULL;
+
+            return NO_ERROR;
+        }
+
+        case SET_PARAMETER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            OMX_INDEXTYPE index = static_cast<OMX_INDEXTYPE>(data.readInt32());
+
+            size_t size = data.readInt32();
+            void *params = const_cast<void *>(data.readInplace(size));
+
+            reply->writeInt32(set_parameter(node, index, params, size));
+
+            return NO_ERROR;
+        }
+
+        case USE_BUFFER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            OMX_U32 port_index = data.readInt32();
+            sp<IMemory> params =
+                interface_cast<IMemory>(data.readStrongBinder());
+
+            buffer_id buffer;
+            status_t err = use_buffer(node, port_index, params, &buffer);
+            reply->writeInt32(err);
+
+            if (err == OK) {
+                writeVoidStar(buffer, reply);
+            }
+
+            return NO_ERROR;
+        }
+
+        case ALLOC_BUFFER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            OMX_U32 port_index = data.readInt32();
+            size_t size = data.readInt32();
+
+            buffer_id buffer;
+            status_t err = allocate_buffer(node, port_index, size, &buffer);
+            reply->writeInt32(err);
+
+            if (err == OK) {
+                writeVoidStar(buffer, reply);
+            }
+
+            return NO_ERROR;
+        }
+
+        case ALLOC_BUFFER_WITH_BACKUP:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            OMX_U32 port_index = data.readInt32();
+            sp<IMemory> params =
+                interface_cast<IMemory>(data.readStrongBinder());
+
+            buffer_id buffer;
+            status_t err = allocate_buffer_with_backup(
+                    node, port_index, params, &buffer);
+
+            reply->writeInt32(err);
+
+            if (err == OK) {
+                writeVoidStar(buffer, reply);
+            }
+
+            return NO_ERROR;
+        }
+
+        case FREE_BUFFER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            OMX_U32 port_index = data.readInt32();
+            buffer_id buffer = readVoidStar(&data);
+            reply->writeInt32(free_buffer(node, port_index, buffer));
+
+            return NO_ERROR;
+        }
+
+#if !IOMX_USES_SOCKETS
+        case OBSERVE_NODE:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            sp<IOMXObserver> observer =
+                interface_cast<IOMXObserver>(data.readStrongBinder());
+            reply->writeInt32(observe_node(node, observer));
+
+            return NO_ERROR;
+        }
+
+        case FILL_BUFFER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            buffer_id buffer = readVoidStar(&data);
+            fill_buffer(node, buffer);
+
+            return NO_ERROR;
+        }
+
+        case EMPTY_BUFFER:
+        {
+            CHECK_INTERFACE(IOMX, data, reply);
+
+            node_id node = readVoidStar(&data);
+            buffer_id buffer = readVoidStar(&data);
+            OMX_U32 range_offset = data.readInt32();
+            OMX_U32 range_length = data.readInt32();
+            OMX_U32 flags = data.readInt32();
+            OMX_TICKS timestamp = data.readInt64();
+
+            empty_buffer(
+                    node, buffer, range_offset, range_length,
+                    flags, timestamp);
+
+            return NO_ERROR;
+        }
+#endif
+
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+class BpOMXObserver : public BpInterface<IOMXObserver> {
+public:
+    BpOMXObserver(const sp<IBinder> &impl)
+        : BpInterface<IOMXObserver>(impl) {
+    }
+
+    virtual void on_message(const omx_message &msg) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IOMXObserver::getInterfaceDescriptor());
+        data.write(&msg, sizeof(msg));
+
+        remote()->transact(OBSERVER_ON_MSG, data, &reply, IBinder::FLAG_ONEWAY);
+    }
+};
+
+IMPLEMENT_META_INTERFACE(OMXObserver, "android.hardware.IOMXObserver");
+
+status_t BnOMXObserver::onTransact(
+    uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
+    switch (code) {
+        case OBSERVER_ON_MSG:
+        {
+            CHECK_INTERFACE(IOMXObserver, data, reply);
+
+            omx_message msg;
+            data.read(&msg, sizeof(msg));
+
+            // XXX Could use readInplace maybe?
+            on_message(msg);
+
+            return NO_ERROR;
+        }
+
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+}  // namespace android

media/libmediaplayerservice/Android.mk

@@ -29,9 +29,22 @@ LOCAL_SHARED_LIBRARIES := \
     libandroid_runtime
 
 LOCAL_C_INCLUDES := external/tremor/Tremor \
-    $(call include-path-for, graphics corecg)
+	$(call include-path-for, graphics corecg) \
+	$(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include
 
 LOCAL_MODULE:= libmediaplayerservice
 
+ifeq ($(BUILD_WITH_STAGEFRIGHT),true)
+    LOCAL_SRC_FILES += StagefrightPlayer.cpp
+
+    LOCAL_SHARED_LIBRARIES += \
+	libstagefright        \
+	libstagefright_omx
+
+    LOCAL_C_INCLUDES += $(TOP)/frameworks/base/media/libstagefright/omx
+
+    LOCAL_CFLAGS += -DBUILD_WITH_STAGEFRIGHT -DUSE_STAGEFRIGHT
+endif
+
 include $(BUILD_SHARED_LIBRARY)
 

media/libmediaplayerservice/MediaPlayerService.cpp

@@ -58,6 +58,15 @@
 #include "MidiFile.h"
 #include "VorbisPlayer.h"
 #include <media/PVPlayer.h>
+#if USE_STAGEFRIGHT
+#include "StagefrightPlayer.h"
+#endif
+
+#ifdef BUILD_WITH_STAGEFRIGHT
+#include <OMX.h>
+#else
+#include <media/IOMX.h>
+#endif
 
 /* desktop Linux needs a little help with gettid() */
 #if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS)
@@ -186,6 +195,10 @@ typedef struct {
     const player_type playertype;
 } extmap;
 extmap FILE_EXTS [] =  {
+#if USE_STAGEFRIGHT
+        {".mp4", STAGEFRIGHT_PLAYER},
+        {".3gp", STAGEFRIGHT_PLAYER},
+#endif
         {".mid", SONIVOX_PLAYER},
         {".midi", SONIVOX_PLAYER},
         {".smf", SONIVOX_PLAYER},
@@ -271,6 +284,14 @@ sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClie
     return c;
 }
 
+sp<IOMX> MediaPlayerService::createOMX() {
+#ifdef BUILD_WITH_STAGEFRIGHT
+    return new OMX;
+#else
+    return NULL;
+#endif
+}
+
 status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const
 {
     const size_t SIZE = 256;
@@ -577,6 +598,7 @@ void MediaPlayerService::Client::disconnect()
         p = mPlayer;
     }
     mClient.clear();
+
     mPlayer.clear();
 
     // clear the notification to prevent callbacks to dead client
@@ -624,13 +646,16 @@ static player_type getPlayerType(int fd, int64_t offset, int64_t length)
         EAS_Shutdown(easdata);
     }
 
+#if USE_STAGEFRIGHT
+    return STAGEFRIGHT_PLAYER;
+#endif
+
     // Fall through to PV
     return PV_PLAYER;
 }
 
 static player_type getPlayerType(const char* url)
 {
-
     // use MidiFile for MIDI extensions
     int lenURL = strlen(url);
     for (int i = 0; i < NELEM(FILE_EXTS); ++i) {
@@ -643,6 +668,10 @@ static player_type getPlayerType(const char* url)
         }
     }
 
+#if USE_STAGEFRIGHT
+    return STAGEFRIGHT_PLAYER;
+#endif
+
     // Fall through to PV
     return PV_PLAYER;
 }
@@ -666,6 +695,17 @@ static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie,
             LOGV(" create VorbisPlayer");
             p = new VorbisPlayer();
             break;
+#if USE_STAGEFRIGHT
+        case STAGEFRIGHT_PLAYER:
+            LOGV(" create StagefrightPlayer");
+            p = new StagefrightPlayer;
+            break;
+#else
+        case STAGEFRIGHT_PLAYER:
+            LOG_ALWAYS_FATAL(
+                    "Should not be here, stagefright player not enabled.");
+            break;
+#endif
     }
     if (p != NULL) {
         if (p->initCheck() == NO_ERROR) {
@@ -1136,7 +1176,8 @@ Exit:
 #undef LOG_TAG
 #define LOG_TAG "AudioSink"
 MediaPlayerService::AudioOutput::AudioOutput()
-{
+    : mCallback(NULL),
+      mCallbackCookie(NULL) {
     mTrack = 0;
     mStreamType = AudioSystem::MUSIC;
     mLeftVolume = 1.0;
@@ -1206,8 +1247,13 @@ float MediaPlayerService::AudioOutput::msecsPerFrame() const
     return mMsecsPerFrame;
 }
 
-status_t MediaPlayerService::AudioOutput::open(uint32_t sampleRate, int channelCount, int format, int bufferCount)
+status_t MediaPlayerService::AudioOutput::open(
+        uint32_t sampleRate, int channelCount, int format, int bufferCount,
+        AudioCallback cb, void *cookie)
 {
+    mCallback = cb;
+    mCallbackCookie = cookie;
+
     // Check argument "bufferCount" against the mininum buffer count
     if (bufferCount < mMinBufferCount) {
         LOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount);
@@ -1228,7 +1274,17 @@ status_t MediaPlayerService::AudioOutput::open(uint32_t sampleRate, int channelC
     }
 
     frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate;
-    AudioTrack *t = new AudioTrack(mStreamType, sampleRate, format, channelCount, frameCount);
+
+    AudioTrack *t;
+    if (mCallback != NULL) {
+        t = new AudioTrack(
+                mStreamType, sampleRate, format, channelCount, frameCount,
+                0 /* flags */, CallbackWrapper, this);
+    } else {
+        t = new AudioTrack(
+                mStreamType, sampleRate, format, channelCount, frameCount);
+    }
+
     if ((t == 0) || (t->initCheck() != NO_ERROR)) {
         LOGE("Unable to create audio track");
         delete t;
@@ -1254,6 +1310,8 @@ void MediaPlayerService::AudioOutput::start()
 
 ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size)
 {
+    LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback.");
+
     //LOGV("write(%p, %u)", buffer, size);
     if (mTrack) return mTrack->write(buffer, size);
     return NO_INIT;
@@ -1294,6 +1352,20 @@ void MediaPlayerService::AudioOutput::setVolume(float left, float right)
     }
 }
 
+// static
+void MediaPlayerService::AudioOutput::CallbackWrapper(
+        int event, void *cookie, void *info) {
+    if (event != AudioTrack::EVENT_MORE_DATA) {
+        return;
+    }
+
+    AudioOutput *me = (AudioOutput *)cookie;
+    AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info;
+
+    (*me->mCallback)(
+            me, buffer->raw, buffer->size, me->mCallbackCookie);
+}
+
 #undef LOG_TAG
 #define LOG_TAG "AudioCache"
 MediaPlayerService::AudioCache::AudioCache(const char* name) :
@@ -1314,8 +1386,14 @@ float MediaPlayerService::AudioCache::msecsPerFrame() const
     return mMsecsPerFrame;
 }
 
-status_t MediaPlayerService::AudioCache::open(uint32_t sampleRate, int channelCount, int format, int bufferCount)
+status_t MediaPlayerService::AudioCache::open(
+        uint32_t sampleRate, int channelCount, int format, int bufferCount,
+        AudioCallback cb, void *cookie)
 {
+    if (cb != NULL) {
+        return UNKNOWN_ERROR;  // TODO: implement this.
+    }
+
     LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount);
     if (mHeap->getHeapID() < 0) return NO_INIT;
     mSampleRate = sampleRate;

media/libmediaplayerservice/MediaPlayerService.h

@@ -35,6 +35,7 @@ typedef int32_t MetadataType;
 
 class IMediaRecorder;
 class IMediaMetadataRetriever;
+class IOMX;
 
 #define CALLBACK_ANTAGONIZER 0
 #if CALLBACK_ANTAGONIZER
@@ -75,7 +76,12 @@ class MediaPlayerService : public BnMediaPlayerService
         virtual ssize_t         frameSize() const;
         virtual uint32_t        latency() const;
         virtual float           msecsPerFrame() const;
-        virtual status_t        open(uint32_t sampleRate, int channelCount, int format, int bufferCount=4);
+
+        virtual status_t        open(
+                uint32_t sampleRate, int channelCount,
+                int format, int bufferCount,
+                AudioCallback cb, void *cookie);
+
         virtual void            start();
         virtual ssize_t         write(const void* buffer, size_t size);
         virtual void            stop();
@@ -90,8 +96,12 @@ class MediaPlayerService : public BnMediaPlayerService
         static int              getMinBufferCount();
     private:
         static void             setMinBufferCount();
+        static void             CallbackWrapper(
+                int event, void *me, void *info);
 
         AudioTrack*             mTrack;
+        AudioCallback           mCallback;
+        void *                  mCallbackCookie;
         int                     mStreamType;
         float                   mLeftVolume;
         float                   mRightVolume;
@@ -119,7 +129,12 @@ class MediaPlayerService : public BnMediaPlayerService
         virtual ssize_t         frameSize() const { return ssize_t(mChannelCount * ((mFormat == AudioSystem::PCM_16_BIT)?sizeof(int16_t):sizeof(u_int8_t))); }
         virtual uint32_t        latency() const;
         virtual float           msecsPerFrame() const;
-        virtual status_t        open(uint32_t sampleRate, int channelCount, int format, int bufferCount=1);
+
+        virtual status_t        open(
+                uint32_t sampleRate, int channelCount, int format,
+                int bufferCount = 1,
+                AudioCallback cb = NULL, void *cookie = NULL);
+
         virtual void            start() {}
         virtual ssize_t         write(const void* buffer, size_t size);
         virtual void            stop() {}
@@ -166,6 +181,7 @@ public:
     virtual sp<IMediaPlayer>    create(pid_t pid, const sp<IMediaPlayerClient>& client, int fd, int64_t offset, int64_t length);
     virtual sp<IMemory>         decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat);
     virtual sp<IMemory>         decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat);
+    virtual sp<IOMX>            createOMX();
 
     virtual status_t            dump(int fd, const Vector<String16>& args);
 

media/libmediaplayerservice/StagefrightPlayer.cpp

@@ -0,0 +1,208 @@
+//#define LOG_NDEBUG 0
+#define LOG_TAG "StagefrightPlayer"
+#include <utils/Log.h>
+
+#include "StagefrightPlayer.h"
+#include <media/stagefright/MediaPlayerImpl.h>
+
+namespace android {
+
+StagefrightPlayer::StagefrightPlayer()
+    : mPlayer(NULL) {
+    LOGV("StagefrightPlayer");
+}
+
+StagefrightPlayer::~StagefrightPlayer() {
+    LOGV("~StagefrightPlayer");
+    reset();
+    LOGV("~StagefrightPlayer done.");
+}
+
+status_t StagefrightPlayer::initCheck() {
+    LOGV("initCheck");
+    return OK;
+}
+
+status_t StagefrightPlayer::setDataSource(const char *url) {
+    LOGV("setDataSource('%s')", url);
+
+    reset();
+    mPlayer = new MediaPlayerImpl(url);
+
+    status_t err = mPlayer->initCheck();
+    if (err != OK) {
+        delete mPlayer;
+        mPlayer = NULL;
+    } else {
+        mPlayer->setAudioSink(mAudioSink);
+    }
+
+    return err;
+}
+
+status_t StagefrightPlayer::setDataSource(int fd, int64_t offset, int64_t length) {
+    LOGV("setDataSource(%d, %lld, %lld)", fd, offset, length);
+
+    reset();
+    mPlayer = new MediaPlayerImpl(fd, offset, length);
+
+    status_t err = mPlayer->initCheck();
+    if (err != OK) {
+        delete mPlayer;
+        mPlayer = NULL;
+    } else {
+        mPlayer->setAudioSink(mAudioSink);
+    }
+
+    return err;
+}
+
+status_t StagefrightPlayer::setVideoSurface(const sp<ISurface> &surface) {
+    LOGV("setVideoSurface");
+
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+
+    mPlayer->setISurface(surface);
+
+    return OK;
+}
+
+status_t StagefrightPlayer::prepare() {
+    LOGV("prepare");
+
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+
+    sendEvent(
+            MEDIA_SET_VIDEO_SIZE,
+            mPlayer->getWidth(), mPlayer->getHeight());
+
+    return OK;
+}
+
+status_t StagefrightPlayer::prepareAsync() {
+    LOGV("prepareAsync");
+
+    status_t err = prepare();
+
+    if (err != OK) {
+        return err;
+    }
+
+    sendEvent(MEDIA_PREPARED);
+
+    return OK;
+}
+
+status_t StagefrightPlayer::start() {
+    LOGV("start");
+
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+
+    mPlayer->play();
+
+    return OK;
+}
+
+status_t StagefrightPlayer::stop() {
+    LOGV("stop");
+
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+
+    reset();
+
+    return OK;
+}
+
+status_t StagefrightPlayer::pause() {
+    LOGV("pause");
+
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+
+    mPlayer->pause();
+
+    return OK;
+}
+
+bool StagefrightPlayer::isPlaying() {
+    LOGV("isPlaying");
+    return mPlayer != NULL && mPlayer->isPlaying();
+}
+
+status_t StagefrightPlayer::seekTo(int msec) {
+    LOGV("seekTo");
+
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+    
+    status_t err = mPlayer->seekTo((int64_t)msec * 1000);
+
+    sendEvent(MEDIA_SEEK_COMPLETE);
+
+    return err;
+}
+
+status_t StagefrightPlayer::getCurrentPosition(int *msec) {
+    LOGV("getCurrentPosition");
+
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+
+    *msec = mPlayer->getPosition() / 1000;
+    return OK;
+}
+
+status_t StagefrightPlayer::getDuration(int *msec) {
+    LOGV("getDuration");
+
+    if (mPlayer == NULL) {
+        return NO_INIT;
+    }
+
+    *msec = mPlayer->getDuration() / 1000;
+    return OK;
+}
+
+status_t StagefrightPlayer::reset() {
+    LOGV("reset");
+
+    delete mPlayer;
+    mPlayer = NULL;
+
+    return OK;
+}
+
+status_t StagefrightPlayer::setLooping(int loop) {
+    LOGV("setLooping");
+    return UNKNOWN_ERROR;
+}
+
+player_type StagefrightPlayer::playerType() {
+    LOGV("playerType");
+    return STAGEFRIGHT_PLAYER;
+}
+
+status_t StagefrightPlayer::invoke(const Parcel &request, Parcel *reply) {
+    return INVALID_OPERATION;
+}
+
+void StagefrightPlayer::setAudioSink(const sp<AudioSink> &audioSink) {
+    MediaPlayerInterface::setAudioSink(audioSink);
+
+    if (mPlayer != NULL) {
+        mPlayer->setAudioSink(audioSink);
+    }
+}
+
+}  // namespace android

media/libmediaplayerservice/StagefrightPlayer.h

@@ -0,0 +1,60 @@
+/*
+**
+** Copyright 2009, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#ifndef ANDROID_STAGEFRIGHTPLAYER_H
+#define ANDROID_STAGEFRIGHTPLAYER_H
+
+#include <media/MediaPlayerInterface.h>
+
+namespace android {
+
+class MediaPlayerImpl;
+
+class StagefrightPlayer : public MediaPlayerInterface {
+public:
+    StagefrightPlayer();
+    virtual ~StagefrightPlayer();
+
+    virtual status_t initCheck();
+    virtual status_t setDataSource(const char *url);
+    virtual status_t setDataSource(int fd, int64_t offset, int64_t length);
+    virtual status_t setVideoSurface(const sp<ISurface> &surface);
+    virtual status_t prepare();
+    virtual status_t prepareAsync();
+    virtual status_t start();
+    virtual status_t stop();
+    virtual status_t pause();
+    virtual bool isPlaying();
+    virtual status_t seekTo(int msec);
+    virtual status_t getCurrentPosition(int *msec);
+    virtual status_t getDuration(int *msec);
+    virtual status_t reset();
+    virtual status_t setLooping(int loop);
+    virtual player_type playerType();
+    virtual status_t invoke(const Parcel &request, Parcel *reply);
+    virtual void setAudioSink(const sp<AudioSink> &audioSink);
+
+private:
+    MediaPlayerImpl *mPlayer;
+
+    StagefrightPlayer(const StagefrightPlayer &);
+    StagefrightPlayer &operator=(const StagefrightPlayer &);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_STAGEFRIGHTPLAYER_H

media/libstagefright/Android.mk

@@ -0,0 +1,56 @@
+ifeq ($(BUILD_WITH_STAGEFRIGHT),true)
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:=                 \
+	CachingDataSource.cpp     \
+        DataSource.cpp            \
+	FileSource.cpp            \
+	HTTPDataSource.cpp        \
+	HTTPStream.cpp            \
+	MP3Extractor.cpp          \
+	MPEG4Extractor.cpp        \
+	MPEG4Writer.cpp           \
+	MediaBuffer.cpp           \
+        MediaBufferGroup.cpp      \
+        MediaExtractor.cpp        \
+        MediaPlayerImpl.cpp       \
+        MediaSource.cpp           \
+	MetaData.cpp              \
+        MmapSource.cpp            \
+        QComHardwareRenderer.cpp  \
+	SampleTable.cpp           \
+	ShoutcastSource.cpp       \
+        SoftwareRenderer.cpp      \
+        SurfaceRenderer.cpp       \
+        TimeSource.cpp            \
+        TimedEventQueue.cpp       \
+	Utils.cpp                 \
+        AudioPlayer.cpp           \
+        ESDS.cpp                  \
+        OMXClient.cpp             \
+        OMXDecoder.cpp            \
+        string.cpp
+
+LOCAL_C_INCLUDES:= \
+	$(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include \
+        $(TOP)/external/opencore/android
+
+LOCAL_SHARED_LIBRARIES := \
+        libbinder         \
+        libmedia          \
+	libutils          \
+        libcutils         \
+        libui
+
+LOCAL_CFLAGS += -Wno-multichar
+
+LOCAL_PRELINK_MODULE:= false
+
+LOCAL_MODULE:= libstagefright
+
+include $(BUILD_SHARED_LIBRARY)
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
+endif

media/libstagefright/AudioPlayer.cpp

@@ -0,0 +1,285 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef NDEBUG
+#include <assert.h>
+
+#define LOG_TAG "AudioPlayer"
+#include <utils/Log.h>
+
+#include <media/AudioTrack.h>
+#include <media/stagefright/AudioPlayer.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/MetaData.h>
+
+namespace android {
+
+AudioPlayer::AudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink)
+    : mSource(NULL),
+      mAudioTrack(NULL),
+      mInputBuffer(NULL),
+      mSampleRate(0),
+      mLatencyUs(0),
+      mFrameSize(0),
+      mNumFramesPlayed(0),
+      mPositionTimeMediaUs(-1),
+      mPositionTimeRealUs(-1),
+      mSeeking(false),
+      mStarted(false),
+      mAudioSink(audioSink) {
+}
+
+AudioPlayer::~AudioPlayer() {
+    if (mStarted) {
+        stop();
+    }
+}
+
+void AudioPlayer::setSource(MediaSource *source) {
+    assert(mSource == NULL);
+    mSource = source;
+}
+
+void AudioPlayer::start() {
+    assert(!mStarted);
+    assert(mSource != NULL);
+
+    status_t err = mSource->start();
+    assert(err == OK);
+
+    sp<MetaData> format = mSource->getFormat();
+    const char *mime;
+    bool success = format->findCString(kKeyMIMEType, &mime);
+    assert(success);
+    assert(!strcasecmp(mime, "audio/raw"));
+
+    success = format->findInt32(kKeySampleRate, &mSampleRate);
+    assert(success);
+
+    int32_t numChannels;
+    success = format->findInt32(kKeyChannelCount, &numChannels);
+    assert(success);
+
+    if (mAudioSink.get() != NULL) {
+        status_t err = mAudioSink->open(
+                mSampleRate, numChannels, AudioSystem::PCM_16_BIT,
+                DEFAULT_AUDIOSINK_BUFFERCOUNT,
+                &AudioPlayer::AudioSinkCallback, this);
+        assert(err == OK);
+
+        mLatencyUs = (int64_t)mAudioSink->latency() * 1000;
+        mFrameSize = mAudioSink->frameSize();
+
+        mAudioSink->start();
+    } else {
+        mAudioTrack = new AudioTrack(
+                AudioSystem::MUSIC, mSampleRate, AudioSystem::PCM_16_BIT,
+                numChannels, 8192, 0, &AudioCallback, this, 0);
+
+        assert(mAudioTrack->initCheck() == OK);
+
+        mLatencyUs = (int64_t)mAudioTrack->latency() * 1000;
+        mFrameSize = mAudioTrack->frameSize();
+
+        mAudioTrack->start();
+    }
+
+    mStarted = true;
+}
+
+void AudioPlayer::pause() {
+    assert(mStarted);
+
+    if (mAudioSink.get() != NULL) {
+        mAudioSink->pause();
+    } else {
+        mAudioTrack->stop();
+    }
+}
+
+void AudioPlayer::resume() {
+    assert(mStarted);
+
+    if (mAudioSink.get() != NULL) {
+        mAudioSink->start();
+    } else {
+        mAudioTrack->start();
+    }
+}
+
+void AudioPlayer::stop() {
+    assert(mStarted);
+
+    if (mAudioSink.get() != NULL) {
+        mAudioSink->stop();
+    } else {
+        mAudioTrack->stop();
+
+        delete mAudioTrack;
+        mAudioTrack = NULL;
+    }
+    
+    // Make sure to release any buffer we hold onto so that the
+    // source is able to stop().
+    if (mInputBuffer != NULL) {
+        LOGI("AudioPlayer releasing input buffer.");
+
+        mInputBuffer->release();
+        mInputBuffer = NULL;
+    }
+
+    mSource->stop();
+    
+    mNumFramesPlayed = 0;
+    mPositionTimeMediaUs = -1;
+    mPositionTimeRealUs = -1;
+    mSeeking = false;
+    mStarted = false;
+}
+
+// static
+void AudioPlayer::AudioCallback(int event, void *user, void *info) {
+    static_cast<AudioPlayer *>(user)->AudioCallback(event, info);
+}
+
+// static
+void AudioPlayer::AudioSinkCallback(
+        MediaPlayerBase::AudioSink *audioSink,
+        void *buffer, size_t size, void *cookie) {
+    AudioPlayer *me = (AudioPlayer *)cookie;
+
+    me->fillBuffer(buffer, size);
+}
+
+void AudioPlayer::AudioCallback(int event, void *info) {
+    if (event != AudioTrack::EVENT_MORE_DATA) {
+        return;
+    }
+
+    AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info;
+    fillBuffer(buffer->raw, buffer->size);
+}
+
+void AudioPlayer::fillBuffer(void *data, size_t size) {
+    if (mNumFramesPlayed == 0) {
+        LOGI("AudioCallback");
+    }
+
+    size_t size_done = 0;
+    size_t size_remaining = size;
+    while (size_remaining > 0) {
+        MediaSource::ReadOptions options;
+
+        {
+            Mutex::Autolock autoLock(mLock);
+
+            if (mSeeking) {
+                options.setSeekTo(mSeekTimeUs);
+
+                if (mInputBuffer != NULL) {
+                    mInputBuffer->release();
+                    mInputBuffer = NULL;
+                }
+                mSeeking = false;
+            }
+        }
+
+        if (mInputBuffer == NULL) {
+            status_t err = mSource->read(&mInputBuffer, &options);
+
+            assert((err == OK && mInputBuffer != NULL)
+                   || (err != OK && mInputBuffer == NULL));
+
+            if (err != OK) {
+                memset((char *)data + size_done, 0, size_remaining);
+                break;
+            }
+
+            int32_t units, scale;
+            bool success =
+                mInputBuffer->meta_data()->findInt32(kKeyTimeUnits, &units);
+            success = success &&
+                mInputBuffer->meta_data()->findInt32(kKeyTimeScale, &scale);
+            assert(success);
+
+            Mutex::Autolock autoLock(mLock);
+            mPositionTimeMediaUs = (int64_t)units * 1000000 / scale;
+            mPositionTimeRealUs =
+                ((mNumFramesPlayed + size_done / 4) * 1000000) / mSampleRate; // XXX
+        }
+
+        if (mInputBuffer->range_length() == 0) {
+            mInputBuffer->release();
+            mInputBuffer = NULL;
+
+            continue;
+        }
+
+        size_t copy = size_remaining;
+        if (copy > mInputBuffer->range_length()) {
+            copy = mInputBuffer->range_length();
+        }
+
+        memcpy((char *)data + size_done,
+               (const char *)mInputBuffer->data() + mInputBuffer->range_offset(),
+               copy);
+
+        mInputBuffer->set_range(mInputBuffer->range_offset() + copy,
+                                mInputBuffer->range_length() - copy);
+                    
+        size_done += copy;
+        size_remaining -= copy;
+    }
+
+    Mutex::Autolock autoLock(mLock);
+    mNumFramesPlayed += size / mFrameSize;
+}
+
+int64_t AudioPlayer::getRealTimeUs() {
+    Mutex::Autolock autoLock(mLock);
+    return getRealTimeUsLocked();
+}
+
+int64_t AudioPlayer::getRealTimeUsLocked() const {
+    return -mLatencyUs + (mNumFramesPlayed * 1000000) / mSampleRate;
+}
+
+int64_t AudioPlayer::getMediaTimeUs() {
+    Mutex::Autolock autoLock(mLock);
+
+    return mPositionTimeMediaUs + (getRealTimeUsLocked() - mPositionTimeRealUs);
+}
+
+bool AudioPlayer::getMediaTimeMapping(
+        int64_t *realtime_us, int64_t *mediatime_us) {
+    Mutex::Autolock autoLock(mLock);
+
+    *realtime_us = mPositionTimeRealUs;
+    *mediatime_us = mPositionTimeMediaUs;
+
+    return mPositionTimeRealUs != -1 || mPositionTimeMediaUs != -1;
+}
+
+status_t AudioPlayer::seekTo(int64_t time_us) {
+    Mutex::Autolock autoLock(mLock);
+
+    mSeeking = true;
+    mSeekTimeUs = time_us;
+
+    return OK;
+}
+
+}

media/libstagefright/CachingDataSource.cpp

@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <media/stagefright/CachingDataSource.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+namespace android {
+
+CachingDataSource::CachingDataSource(
+        DataSource *source, size_t pageSize, int numPages)
+    : mSource(source),
+      mData(malloc(pageSize * numPages)),
+      mPageSize(pageSize),
+      mFirst(NULL),
+      mLast(NULL) {
+    for (int i = 0; i < numPages; ++i) {
+        Page *page = new Page;
+        page->mPrev = mLast;
+        page->mNext = NULL;
+
+        if (mLast == NULL) {
+            mFirst = page;
+        } else {
+            mLast->mNext = page;
+        }
+
+        mLast = page;
+
+        page->mOffset = -1;
+        page->mLength = 0;
+        page->mData = (char *)mData + mPageSize * i;
+    }
+}
+
+CachingDataSource::~CachingDataSource() {
+    Page *page = mFirst;
+    while (page != NULL) {
+        Page *next = page->mNext;
+        delete page;
+        page = next;
+    }
+    mFirst = mLast = NULL;
+
+    free(mData);
+    mData = NULL;
+
+    delete mSource;
+    mSource = NULL;
+}
+
+status_t CachingDataSource::InitCheck() const {
+    return OK;
+}
+
+ssize_t CachingDataSource::read_at(off_t offset, void *data, size_t size) {
+    Mutex::Autolock autoLock(mLock);
+
+    size_t total = 0;
+    while (size > 0) {
+        Page *page = mFirst;
+        while (page != NULL) {
+            if (page->mOffset >= 0 && offset >= page->mOffset
+                && offset < page->mOffset + page->mLength) {
+                break;
+            }
+            page = page->mNext;
+        }
+
+        if (page == NULL) {
+            page = allocate_page();
+            page->mOffset = offset - offset % mPageSize;
+            ssize_t n = mSource->read_at(page->mOffset, page->mData, mPageSize);
+            if (n < 0) {
+                page->mLength = 0;
+            } else {
+                page->mLength = (size_t)n;
+            }
+            mFirst->mPrev = page;
+            page->mNext = mFirst;
+            page->mPrev = NULL;
+            mFirst = page;
+
+            if (n < 0) {
+                return n;
+            }
+
+            if (offset >= page->mOffset + page->mLength) {
+                break;
+            }
+        } else {
+            // Move "page" to the front in LRU order.
+            if (page->mNext != NULL) {
+                page->mNext->mPrev = page->mPrev;
+            } else {
+                mLast = page->mPrev;
+            }
+
+            if (page->mPrev != NULL) {
+                page->mPrev->mNext = page->mNext;
+            } else {
+                mFirst = page->mNext;
+            }
+
+            mFirst->mPrev = page;
+            page->mNext = mFirst;
+            page->mPrev = NULL;
+            mFirst = page;
+        }
+
+        size_t copy = page->mLength - (offset - page->mOffset);
+        if (copy > size) {
+            copy = size;
+        }
+        memcpy(data,(const char *)page->mData + (offset - page->mOffset),
+               copy);
+
+        total += copy;
+
+        if (page->mLength < mPageSize) {
+            // This was the final page. There is no more data beyond it.
+            break;
+        }
+
+        offset += copy;
+        size -= copy;
+        data = (char *)data + copy;
+    }
+
+    return total;
+}
+
+CachingDataSource::Page *CachingDataSource::allocate_page() {
+    // The last page is the least recently used, i.e. oldest.
+
+    Page *page = mLast;
+
+    page->mPrev->mNext = NULL;
+    mLast = page->mPrev;
+    page->mPrev = NULL;
+
+    return page;
+}
+
+}  // namespace android

media/libstagefright/CameraSource.cpp

@@ -0,0 +1,226 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/time.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <OMX_Component.h>
+
+#include <binder/IServiceManager.h>
+#include <media/stagefright/CameraSource.h>
+#include <media/stagefright/MediaErrors.h>
+#include <media/stagefright/MetaData.h>
+#include <ui/ICameraClient.h>
+#include <ui/ICameraService.h>
+#include <ui/Overlay.h>
+#include <utils/String16.h>
+
+namespace android {
+
+class CameraBuffer : public MediaBuffer {
+public:
+    CameraBuffer(const sp<IMemory> &frame)
+        : MediaBuffer(frame->pointer(), frame->size()),
+          mFrame(frame) {
+    }
+
+    sp<IMemory> releaseFrame() {
+        sp<IMemory> frame = mFrame;
+        mFrame.clear();
+        return frame;
+    }
+
+private:
+    sp<IMemory> mFrame;
+};
+
+class CameraSourceClient : public BnCameraClient {
+public:
+    CameraSourceClient()
+        : mSource(NULL) {
+    }
+
+    virtual void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2) {
+        assert(mSource != NULL);
+        mSource->notifyCallback(msgType, ext1, ext2);
+    }
+
+    virtual void dataCallback(int32_t msgType, const sp<IMemory> &data) {
+        assert(mSource != NULL);
+        mSource->dataCallback(msgType, data);
+    }
+
+    void setCameraSource(CameraSource *source) {
+        mSource = source;
+    }
+
+private:
+    CameraSource *mSource;
+};
+
+class DummySurface : public BnSurface {
+public:
+    DummySurface() {}
+
+    virtual status_t registerBuffers(const BufferHeap &buffers) {
+        return OK;
+    }
+
+    virtual void postBuffer(ssize_t offset) {
+    }
+
+    virtual void unregisterBuffers() {
+    }
+    
+    virtual sp<OverlayRef> createOverlay(
+            uint32_t w, uint32_t h, int32_t format) {
+        return NULL;
+    }
+};
+
+// static
+CameraSource *CameraSource::Create() {
+    sp<IServiceManager> sm = defaultServiceManager();
+
+    sp<ICameraService> service =
+        interface_cast<ICameraService>(
+                sm->getService(String16("media.camera")));
+
+    sp<CameraSourceClient> client = new CameraSourceClient;
+    sp<ICamera> camera = service->connect(client);
+
+    CameraSource *source = new CameraSource(camera, client);
+    client->setCameraSource(source);
+
+    return source;
+}
+
+CameraSource::CameraSource(
+        const sp<ICamera> &camera, const sp<ICameraClient> &client)
+    : mCamera(camera),
+      mCameraClient(client),
+      mNumFrames(0),
+      mStarted(false) {
+    printf("params: \"%s\"\n", mCamera->getParameters().string());
+}
+
+CameraSource::~CameraSource() {
+    if (mStarted) {
+        stop();
+    }
+
+    mCamera->disconnect();
+}
+
+status_t CameraSource::start(MetaData *) {
+    assert(!mStarted);
+
+    status_t err = mCamera->lock();
+    assert(err == OK);
+
+    err = mCamera->setPreviewDisplay(new DummySurface);
+    assert(err == OK);
+    mCamera->setPreviewCallbackFlag(1);
+    mCamera->startPreview();
+    assert(err == OK);
+
+    mStarted = true;
+
+    return OK;
+}
+
+status_t CameraSource::stop() {
+    assert(mStarted);
+
+    mCamera->stopPreview();
+    mCamera->unlock();
+
+    mStarted = false;
+
+    return OK;
+}
+
+sp<MetaData> CameraSource::getFormat() {
+    sp<MetaData> meta = new MetaData;
+    meta->setCString(kKeyMIMEType, "video/raw");
+    meta->setInt32(kKeyColorFormat, OMX_COLOR_FormatYUV420SemiPlanar);
+    meta->setInt32(kKeyWidth, 480);
+    meta->setInt32(kKeyHeight, 320);
+
+    return meta;
+}
+
+status_t CameraSource::read(
+        MediaBuffer **buffer, const ReadOptions *options) {
+    assert(mStarted);
+
+    *buffer = NULL;
+
+    int64_t seekTimeUs;
+    if (options && options->getSeekTo(&seekTimeUs)) {
+        return ERROR_UNSUPPORTED;
+    }
+
+    sp<IMemory> frame;
+
+    {
+        Mutex::Autolock autoLock(mLock);
+        while (mFrames.empty()) {
+            mFrameAvailableCondition.wait(mLock);
+        }
+
+        frame = *mFrames.begin();
+        mFrames.erase(mFrames.begin());
+    }
+
+    int count = mNumFrames++;
+
+    *buffer = new CameraBuffer(frame);
+
+    (*buffer)->meta_data()->clear();
+    (*buffer)->meta_data()->setInt32(kKeyTimeScale, 15);
+    (*buffer)->meta_data()->setInt32(kKeyTimeUnits, count);
+
+    (*buffer)->add_ref();
+    (*buffer)->setObserver(this);
+
+    return OK;
+}
+
+void CameraSource::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2) {
+    printf("notifyCallback %d, %d, %d\n", msgType, ext1, ext2);
+}
+
+void CameraSource::dataCallback(int32_t msgType, const sp<IMemory> &data) {
+    Mutex::Autolock autoLock(mLock);
+
+    mFrames.push_back(data);
+    mFrameAvailableCondition.signal();
+}
+
+void CameraSource::signalBufferReturned(MediaBuffer *_buffer) {
+    CameraBuffer *buffer = static_cast<CameraBuffer *>(_buffer);
+
+    mCamera->releaseRecordingFrame(buffer->releaseFrame());
+
+    buffer->setObserver(NULL);
+    buffer->release();
+    buffer = NULL;
+}
+
+}  // namespace android

media/libstagefright/DataSource.cpp

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/MediaErrors.h>
+#include <media/stagefright/MP3Extractor.h>
+#include <media/stagefright/MPEG4Extractor.h>
+#include <utils/String8.h>
+
+namespace android {
+
+status_t DataSource::getSize(off_t *size) {
+    *size = 0;
+
+    return ERROR_UNSUPPORTED;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+Mutex DataSource::gSnifferMutex;
+List<DataSource::SnifferFunc> DataSource::gSniffers;
+
+bool DataSource::sniff(String8 *mimeType, float *confidence) {
+    *mimeType = "";
+    *confidence = 0.0f;
+
+    Mutex::Autolock autoLock(gSnifferMutex);
+    for (List<SnifferFunc>::iterator it = gSniffers.begin();
+         it != gSniffers.end(); ++it) {
+        String8 newMimeType;
+        float newConfidence;
+        if ((*it)(this, &newMimeType, &newConfidence)) {
+            if (newConfidence > *confidence) {
+                *mimeType = newMimeType;
+                *confidence = newConfidence;
+            }
+        }
+    }
+
+    return *confidence > 0.0;
+}
+
+// static
+void DataSource::RegisterSniffer(SnifferFunc func) {
+    Mutex::Autolock autoLock(gSnifferMutex);
+
+    for (List<SnifferFunc>::iterator it = gSniffers.begin();
+         it != gSniffers.end(); ++it) {
+        if (*it == func) {
+            return;
+        }
+    }
+
+    gSniffers.push_back(func);
+}
+
+// static
+void DataSource::RegisterDefaultSniffers() {
+    RegisterSniffer(SniffMP3);
+    RegisterSniffer(SniffMPEG4);
+}
+
+}  // namespace android

media/libstagefright/ESDS.cpp

@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <media/stagefright/ESDS.h>
+
+#include <string.h>
+
+namespace android {
+
+ESDS::ESDS(const void *data, size_t size)
+    : mData(new uint8_t[size]),
+      mSize(size),
+      mInitCheck(NO_INIT),
+      mDecoderSpecificOffset(0),
+      mDecoderSpecificLength(0) {
+    memcpy(mData, data, size);
+
+    mInitCheck = parse();
+}
+
+ESDS::~ESDS() {
+    delete[] mData;
+    mData = NULL;
+}
+
+status_t ESDS::InitCheck() const {
+    return mInitCheck;
+}
+
+status_t ESDS::getCodecSpecificInfo(const void **data, size_t *size) const {
+    if (mInitCheck != OK) {
+        return mInitCheck;
+    }
+
+    *data = &mData[mDecoderSpecificOffset];
+    *size = mDecoderSpecificLength;
+
+    return OK;
+}
+
+status_t ESDS::skipDescriptorHeader(
+        size_t offset, size_t size,
+        uint8_t *tag, size_t *data_offset, size_t *data_size) const {
+    if (size == 0) {
+        return ERROR_MALFORMED;
+    }
+
+    *tag = mData[offset++];
+    --size;
+
+    *data_size = 0;
+    bool more;
+    do {
+        if (size == 0) {
+            return ERROR_MALFORMED;
+        }
+
+        uint8_t x = mData[offset++];
+        --size;
+
+        *data_size = (*data_size << 7) | (x & 0x7f);
+        more = (x & 0x80) != 0;
+    }
+    while (more);
+
+    if (*data_size > size) {
+        return ERROR_MALFORMED;
+    }
+
+    *data_offset = offset;
+
+    return OK;
+}
+
+status_t ESDS::parse() {
+    uint8_t tag;
+    size_t data_offset;
+    size_t data_size;
+    status_t err =
+        skipDescriptorHeader(0, mSize, &tag, &data_offset, &data_size);
+
+    if (err != OK) {
+        return err;
+    }
+
+    if (tag != kTag_ESDescriptor) {
+        return ERROR_MALFORMED;
+    }
+
+    return parseESDescriptor(data_offset, data_size);
+}
+
+status_t ESDS::parseESDescriptor(size_t offset, size_t size) {
+    if (size < 3) {
+        return ERROR_MALFORMED;
+    }
+
+    offset += 2;  // skip ES_ID
+    size -= 2;
+
+    unsigned streamDependenceFlag = mData[offset] & 0x80;
+    unsigned URL_Flag = mData[offset] & 0x40;
+    unsigned OCRstreamFlag = mData[offset] & 0x20;
+
+    ++offset;
+    --size;
+
+    if (streamDependenceFlag) {
+        offset += 2;
+        size -= 2;
+    }
+
+    if (URL_Flag) {
+        if (offset >= size) {
+            return ERROR_MALFORMED;
+        }
+        unsigned URLlength = mData[offset];
+        offset += URLlength + 1;
+        size -= URLlength + 1;
+    }
+
+    if (OCRstreamFlag) {
+        offset += 2;
+        size -= 2;
+    }
+    
+    if (offset >= size) {
+        return ERROR_MALFORMED;
+    }
+
+    uint8_t tag;
+    size_t sub_offset, sub_size;
+    status_t err = skipDescriptorHeader(
+            offset, size, &tag, &sub_offset, &sub_size);
+
+    if (err != OK) {
+        return err;
+    }
+
+    if (tag != kTag_DecoderConfigDescriptor) {
+        return ERROR_MALFORMED;
+    }
+
+    err = parseDecoderConfigDescriptor(sub_offset, sub_size);
+
+    return err;
+}
+
+status_t ESDS::parseDecoderConfigDescriptor(size_t offset, size_t size) {
+    if (size < 13) {
+        return ERROR_MALFORMED;
+    }
+
+    offset += 13;
+    size -= 13;
+
+    if (size == 0) {
+        mDecoderSpecificOffset = 0;
+        mDecoderSpecificLength = 0;
+        return OK;
+    }
+
+    uint8_t tag;
+    size_t sub_offset, sub_size;
+    status_t err = skipDescriptorHeader(
+            offset, size, &tag, &sub_offset, &sub_size);
+
+    if (err != OK) {
+        return err;
+    }
+
+    if (tag != kTag_DecoderSpecificInfo) {
+        return ERROR_MALFORMED;
+    }
+
+    mDecoderSpecificOffset = sub_offset;
+    mDecoderSpecificLength = sub_size;
+
+    return OK;
+}
+
+}  // namespace android
+

media/libstagefright/FileSource.cpp

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <media/stagefright/FileSource.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+namespace android {
+
+FileSource::FileSource(const char *filename)
+    : mFile(fopen(filename, "rb")) {
+}
+
+FileSource::~FileSource() {
+    if (mFile != NULL) {
+        fclose(mFile);
+        mFile = NULL;
+    }
+}
+
+status_t FileSource::InitCheck() const {
+    return mFile != NULL ? OK : NO_INIT;
+}
+
+ssize_t FileSource::read_at(off_t offset, void *data, size_t size) {
+    Mutex::Autolock autoLock(mLock);
+
+    int err = fseeko(mFile, offset, SEEK_SET);
+    assert(err != -1);
+
+    ssize_t result = fread(data, 1, size, mFile);
+
+    return result;
+}
+
+}  // namespace android

media/libstagefright/HTTPDataSource.cpp

@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <stdlib.h>
+
+#include <media/stagefright/HTTPDataSource.h>
+#include <media/stagefright/HTTPStream.h>
+#include <media/stagefright/string.h>
+
+namespace android {
+
+HTTPDataSource::HTTPDataSource(const char *uri)
+    : mHost(NULL),
+      mPort(0),
+      mPath(NULL),
+      mBuffer(malloc(kBufferSize)),
+      mBufferLength(0),
+      mBufferOffset(0) {
+    assert(!strncasecmp("http://", uri, 7));
+
+    string host;
+    string path;
+    int port;
+
+    char *slash = strchr(uri + 7, '/');
+    if (slash == NULL) {
+        host = uri + 7;
+        path = "/";
+    } else {
+        host = string(uri + 7, slash - (uri + 7));
+        path = slash;
+    }
+
+    char *colon = strchr(host.c_str(), ':');
+    if (colon == NULL) {
+        port = 80;
+    } else {
+        char *end;
+        long tmp = strtol(colon + 1, &end, 10);
+        assert(end > colon + 1);
+        assert(tmp > 0 && tmp < 65536);
+        port = tmp;
+
+        host = string(host, 0, colon - host.c_str());
+    }
+
+    LOGI("Connecting to host '%s', port %d, path '%s'",
+         host.c_str(), port, path.c_str());
+
+    mHost = strdup(host.c_str());
+    mPort = port;
+    mPath = strdup(path.c_str());
+
+    status_t err = mHttp.connect(mHost, mPort);
+    assert(err == OK);
+}
+
+HTTPDataSource::HTTPDataSource(const char *host, int port, const char *path)
+    : mHost(strdup(host)),
+      mPort(port),
+      mPath(strdup(path)),
+      mBuffer(malloc(kBufferSize)),
+      mBufferLength(0),
+      mBufferOffset(0) {
+    status_t err = mHttp.connect(mHost, mPort);
+    assert(err == OK);
+}
+
+HTTPDataSource::~HTTPDataSource() {
+    mHttp.disconnect();
+
+    free(mBuffer);
+    mBuffer = NULL;
+
+    free(mPath);
+    mPath = NULL;
+}
+
+ssize_t HTTPDataSource::read_at(off_t offset, void *data, size_t size) {
+    if (offset >= mBufferOffset && offset < mBufferOffset + mBufferLength) {
+        size_t num_bytes_available = mBufferLength - (offset - mBufferOffset);
+
+        size_t copy = num_bytes_available;
+        if (copy > size) {
+            copy = size;
+        }
+
+        memcpy(data, (const char *)mBuffer + (offset - mBufferOffset), copy);
+
+        return copy;
+    }
+
+    mBufferOffset = offset;
+    mBufferLength = 0;
+
+    char host[128];
+    sprintf(host, "Host: %s\r\n", mHost);
+
+    char range[128];
+    sprintf(range, "Range: bytes=%ld-%ld\r\n\r\n",
+            mBufferOffset, mBufferOffset + kBufferSize - 1);
+
+    int http_status;
+
+    status_t err;
+    int attempt = 1;
+    for (;;) {
+        if ((err = mHttp.send("GET ")) != OK
+            || (err = mHttp.send(mPath)) != OK
+            || (err = mHttp.send(" HTTP/1.1\r\n")) != OK
+            || (err = mHttp.send(host)) != OK
+            || (err = mHttp.send(range)) != OK
+            || (err = mHttp.send("\r\n")) != OK
+            || (err = mHttp.receive_header(&http_status)) != OK) {
+
+            if (attempt == 3) {
+                return err;
+            }
+
+            mHttp.connect(mHost, mPort);
+            ++attempt;
+        } else {
+            break;
+        }
+    }
+
+    if ((http_status / 100) != 2) {
+        return UNKNOWN_ERROR;
+    }
+
+    string value;
+    if (!mHttp.find_header_value("Content-Length", &value)) {
+        return UNKNOWN_ERROR;
+    }
+
+    char *end;
+    unsigned long contentLength = strtoul(value.c_str(), &end, 10);
+
+    ssize_t num_bytes_received = mHttp.receive(mBuffer, contentLength);
+
+    if (num_bytes_received <= 0) {
+        return num_bytes_received;
+    }
+
+    mBufferLength = (size_t)num_bytes_received;
+
+    size_t copy = mBufferLength;
+    if (copy > size) {
+        copy = size;
+    }
+
+    memcpy(data, mBuffer, copy);
+
+    return copy;
+}
+
+}  // namespace android
+

media/libstagefright/HTTPStream.cpp

@@ -0,0 +1,285 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/socket.h>
+
+#include <arpa/inet.h>
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <media/stagefright/HTTPStream.h>
+
+namespace android {
+
+// static
+const char *HTTPStream::kStatusKey = ":status:";
+
+HTTPStream::HTTPStream()
+    : mState(READY),
+      mSocket(-1) {
+}
+
+HTTPStream::~HTTPStream() {
+    disconnect();
+}
+
+status_t HTTPStream::connect(const char *server, int port) {
+    status_t err = OK;
+
+    if (mState == CONNECTED) {
+        return ERROR_ALREADY_CONNECTED;
+    }
+
+    assert(mSocket == -1);
+    mSocket = socket(AF_INET, SOCK_STREAM, 0);
+    
+    if (mSocket < 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    struct hostent *ent = gethostbyname(server);
+    if (ent == NULL) {
+        err = ERROR_UNKNOWN_HOST;
+        goto exit1;
+    }
+
+    struct sockaddr_in addr;
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(port);
+    addr.sin_addr.s_addr = *(in_addr_t *)ent->h_addr;
+    memset(addr.sin_zero, 0, sizeof(addr.sin_zero));
+
+    if (::connect(mSocket, (const struct sockaddr *)&addr, sizeof(addr)) < 0) {
+        err = ERROR_CANNOT_CONNECT;
+        goto exit1;
+    }
+
+    mState = CONNECTED;
+
+    return OK;
+
+exit1:
+    close(mSocket);
+    mSocket = -1;
+
+    return err;
+}
+
+status_t HTTPStream::disconnect() {
+    if (mState != CONNECTED) {
+        return ERROR_NOT_CONNECTED;
+    }
+
+    assert(mSocket >= 0);
+    close(mSocket);
+    mSocket = -1;
+
+    mState = READY;
+
+    return OK;
+}
+
+status_t HTTPStream::send(const char *data, size_t size) {
+    if (mState != CONNECTED) {
+        return ERROR_NOT_CONNECTED;
+    }
+
+    while (size > 0) {
+        ssize_t n = ::send(mSocket, data, size, 0);
+
+        if (n < 0) {
+            if (errno == EINTR) {
+                continue;
+            }
+
+            disconnect();
+
+            return ERROR_IO;
+        } else if (n == 0) {
+            disconnect();
+
+            return ERROR_CONNECTION_LOST;
+        }
+
+        size -= (size_t)n;
+        data += (size_t)n;
+    }
+
+    return OK;
+}
+
+status_t HTTPStream::send(const char *data) {
+    return send(data, strlen(data));
+}
+
+status_t HTTPStream::receive_line(char *line, size_t size) {
+    if (mState != CONNECTED) {
+        return ERROR_NOT_CONNECTED;
+    }
+
+    bool saw_CR = false;
+    size_t length = 0;
+
+    for (;;) {
+        char c;
+        ssize_t n = recv(mSocket, &c, 1, 0);
+        if (n < 0) {
+            if (errno == EINTR) {
+                continue;
+            }
+
+            disconnect();
+
+            return ERROR_IO;
+        } else if (n == 0) {
+            disconnect();
+
+            return ERROR_CONNECTION_LOST;
+        }
+
+        if (saw_CR && c == '\n') {
+            // We have a complete line.
+
+            line[length - 1] = '\0';
+            return OK;
+        }
+
+        saw_CR = (c == '\r');
+
+        assert(length + 1 < size);
+        line[length++] = c;
+    }
+}
+
+status_t HTTPStream::receive_header(int *http_status) {
+    *http_status = -1;
+    mHeaders.clear();
+
+    char line[256];
+    status_t err = receive_line(line, sizeof(line));
+    if (err != OK) {
+        return err;
+    }
+
+    mHeaders.add(string(kStatusKey), string(line));
+
+    char *spacePos = strchr(line, ' ');
+    if (spacePos == NULL) {
+        // Malformed response?
+        return UNKNOWN_ERROR;
+    }
+
+    char *status_start = spacePos + 1;
+    char *status_end = status_start;
+    while (isdigit(*status_end)) {
+        ++status_end;
+    }
+
+    if (status_end == status_start) {
+        // Malformed response, status missing?
+        return UNKNOWN_ERROR;
+    }
+
+    memmove(line, status_start, status_end - status_start);
+    line[status_end - status_start] = '\0';
+
+    long tmp = strtol(line, NULL, 10);
+    if (tmp < 0 || tmp > 999) {
+        return UNKNOWN_ERROR;
+    }
+
+    *http_status = (int)tmp;
+
+    for (;;) {
+        err = receive_line(line, sizeof(line));
+        if (err != OK) {
+            return err;
+        }
+
+        if (*line == '\0') {
+            // Empty line signals the end of the header.
+            break;
+        }
+
+        // puts(line);
+
+        char *colonPos = strchr(line, ':');
+        if (colonPos == NULL) {
+            mHeaders.add(string(line), string());
+        } else {
+            char *end_of_key = colonPos;
+            while (end_of_key > line && isspace(end_of_key[-1])) {
+                --end_of_key;
+            }
+
+            char *start_of_value = colonPos + 1;
+            while (isspace(*start_of_value)) {
+                ++start_of_value;
+            }
+
+            *end_of_key = '\0';
+
+            mHeaders.add(string(line), string(start_of_value));
+        }
+    }
+
+    return OK;
+}
+
+ssize_t HTTPStream::receive(void *data, size_t size) {
+    size_t total = 0;
+    while (total < size) {
+        ssize_t n = recv(mSocket, (char *)data + total, size - total, 0);
+
+        if (n < 0) {
+            if (errno == EINTR) {
+                continue;
+            }
+
+            disconnect();
+            return ERROR_IO;
+        } else if (n == 0) {
+            disconnect();
+
+            return ERROR_CONNECTION_LOST;
+        }
+
+        total += (size_t)n;
+    }
+
+    return (ssize_t)total;
+}
+
+bool HTTPStream::find_header_value(const string &key, string *value) const {
+    ssize_t index = mHeaders.indexOfKey(key);
+    if (index < 0) {
+        value->clear();
+        return false;
+    }
+
+    *value = mHeaders.valueAt(index);
+
+    return true;
+}
+
+}  // namespace android
+

media/libstagefright/MP3Extractor.cpp

@@ -0,0 +1,522 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MP3Extractor"
+#include <utils/Log.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/MP3Extractor.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MediaBufferGroup.h>
+#include <media/stagefright/MediaErrors.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/Utils.h>
+#include <utils/String8.h>
+
+namespace android {
+
+static bool get_mp3_frame_size(
+        uint32_t header, size_t *frame_size,
+        int *out_sampling_rate = NULL, int *out_channels = NULL,
+        int *out_bitrate = NULL) {
+    *frame_size = 0;
+
+    if (out_sampling_rate) {
+        *out_sampling_rate = 0;
+    }
+
+    if (out_channels) {
+        *out_channels = 0;
+    }
+
+    if (out_bitrate) {
+        *out_bitrate = 0;
+    }
+
+    if ((header & 0xffe00000) != 0xffe00000) {
+        return false;
+    }
+
+    unsigned version = (header >> 19) & 3;
+
+    if (version == 0x01) {
+        return false;
+    }
+    
+    unsigned layer = (header >> 17) & 3;
+
+    if (layer == 0x00) {
+        return false;
+    }
+
+    unsigned protection = (header >> 16) & 1;
+
+    unsigned bitrate_index = (header >> 12) & 0x0f;
+
+    if (bitrate_index == 0 || bitrate_index == 0x0f) {
+        // Disallow "free" bitrate.
+        return false;
+    }
+
+    unsigned sampling_rate_index = (header >> 10) & 3;
+
+    if (sampling_rate_index == 3) {
+        return false;
+    }
+
+    static const int kSamplingRateV1[] = { 44100, 48000, 32000 };
+    int sampling_rate = kSamplingRateV1[sampling_rate_index];
+    if (version == 2 /* V2 */) {
+        sampling_rate /= 2;
+    } else if (version == 0 /* V2.5 */) {
+        sampling_rate /= 4;
+    }
+
+    unsigned padding = (header >> 9) & 1;
+
+    if (layer == 3) {
+        // layer I
+
+        static const int kBitrateV1[] = {
+            32, 64, 96, 128, 160, 192, 224, 256,
+            288, 320, 352, 384, 416, 448
+        };
+
+        static const int kBitrateV2[] = {
+            32, 48, 56, 64, 80, 96, 112, 128,
+            144, 160, 176, 192, 224, 256
+        };
+
+        int bitrate =
+            (version == 3 /* V1 */)
+                ? kBitrateV1[bitrate_index - 1]
+                : kBitrateV2[bitrate_index - 1];
+
+        if (out_bitrate) {
+            *out_bitrate = bitrate;
+        }
+
+        *frame_size = (12000 * bitrate / sampling_rate + padding) * 4;
+    } else {
+        // layer II or III
+
+        static const int kBitrateV1L2[] = {
+            32, 48, 56, 64, 80, 96, 112, 128,
+            160, 192, 224, 256, 320, 384
+        };
+
+        static const int kBitrateV1L3[] = {
+            32, 40, 48, 56, 64, 80, 96, 112,
+            128, 160, 192, 224, 256, 320
+        };
+
+        static const int kBitrateV2[] = {
+            8, 16, 24, 32, 40, 48, 56, 64,
+            80, 96, 112, 128, 144, 160
+        };
+
+        int bitrate;
+        if (version == 3 /* V1 */) {
+            bitrate = (layer == 2 /* L2 */)
+                ? kBitrateV1L2[bitrate_index - 1]
+                : kBitrateV1L3[bitrate_index - 1];
+        } else {
+            // V2 (or 2.5)
+
+            bitrate = kBitrateV2[bitrate_index - 1];
+        }
+
+        if (out_bitrate) {
+            *out_bitrate = bitrate;
+        }
+
+        *frame_size = 144000 * bitrate / sampling_rate + padding;
+    }
+
+    if (out_sampling_rate) {
+        *out_sampling_rate = sampling_rate;
+    }
+
+    if (out_channels) {
+        int channel_mode = (header >> 6) & 3;
+
+        *out_channels = (channel_mode == 3) ? 1 : 2;
+    }
+
+    return true;
+}
+
+static bool Resync(
+        DataSource *source, uint32_t match_header,
+        off_t *inout_pos, uint32_t *out_header) {
+    // Everything must match except for
+    // protection, bitrate, padding, private bits and mode extension.
+    const uint32_t kMask = 0xfffe0ccf;
+
+    const size_t kMaxFrameSize = 4096;
+    uint8_t *buffer = new uint8_t[kMaxFrameSize];
+    
+    off_t pos = *inout_pos;
+    size_t buffer_offset = kMaxFrameSize;
+    size_t buffer_length = kMaxFrameSize;
+    bool valid = false;
+    do {
+        if (buffer_offset + 3 >= buffer_length) {
+            if (buffer_length < kMaxFrameSize) {
+                break;
+            }
+
+            pos += buffer_length;
+
+            if (pos >= *inout_pos + 128 * 1024) {
+                // Don't scan forever.
+                LOGV("giving up at offset %ld", pos);
+                break;
+            }
+
+            memmove(buffer, &buffer[buffer_offset], buffer_length - buffer_offset);
+            buffer_length = buffer_length - buffer_offset;
+            buffer_offset = 0;
+
+            ssize_t n = source->read_at(
+                    pos, &buffer[buffer_length], kMaxFrameSize - buffer_length);
+
+            if (n <= 0) {
+                break;
+            }
+
+            buffer_length += (size_t)n;
+
+            continue;
+        }
+
+        uint32_t header = U32_AT(&buffer[buffer_offset]);
+
+        if (match_header != 0 && (header & kMask) != (match_header & kMask)) {
+            ++buffer_offset;
+            continue;
+        }
+
+        size_t frame_size;
+        int sample_rate, num_channels, bitrate;
+        if (get_mp3_frame_size(header, &frame_size,
+                               &sample_rate, &num_channels, &bitrate)) {
+            LOGV("found possible 1st frame at %ld", pos + buffer_offset);
+
+            // We found what looks like a valid frame,
+            // now find its successors.
+
+            off_t test_pos = pos + buffer_offset + frame_size;
+
+            valid = true;
+            for (int j = 0; j < 3; ++j) {
+                uint8_t tmp[4];
+                if (source->read_at(test_pos, tmp, 4) < 4) {
+                    valid = false;
+                    break;
+                }
+                
+                uint32_t test_header = U32_AT(tmp);
+
+                LOGV("subsequent header is %08x", test_header);
+
+                if ((test_header & kMask) != (header & kMask)) {
+                    valid = false;
+                    break;
+                }
+
+                size_t test_frame_size;
+                if (!get_mp3_frame_size(test_header, &test_frame_size)) {
+                    valid = false;
+                    break;
+                }
+
+                LOGV("found subsequent frame #%d at %ld", j + 2, test_pos);
+
+                test_pos += test_frame_size;
+            }
+        }
+
+        if (valid) {
+            *inout_pos = pos + buffer_offset;
+
+            if (out_header != NULL) {
+                *out_header = header;
+            }
+        } else {
+            LOGV("no dice, no valid sequence of frames found.");
+        }
+
+        ++buffer_offset;
+
+    } while (!valid);
+
+    delete[] buffer;
+    buffer = NULL;
+
+    return valid;
+}
+
+class MP3Source : public MediaSource {
+public:
+    MP3Source(
+            const sp<MetaData> &meta, DataSource *source,
+            off_t first_frame_pos, uint32_t fixed_header);
+
+    virtual ~MP3Source();
+
+    virtual status_t start(MetaData *params = NULL);
+    virtual status_t stop();
+
+    virtual sp<MetaData> getFormat();
+
+    virtual status_t read(
+            MediaBuffer **buffer, const ReadOptions *options = NULL);
+
+private:
+    sp<MetaData> mMeta;
+    DataSource *mDataSource;
+    off_t mFirstFramePos;
+    uint32_t mFixedHeader;
+    off_t mCurrentPos;
+    int64_t mCurrentTimeUs;
+    bool mStarted;
+
+    MediaBufferGroup *mGroup;
+
+    MP3Source(const MP3Source &);
+    MP3Source &operator=(const MP3Source &);
+};
+
+MP3Extractor::MP3Extractor(DataSource *source)
+    : mDataSource(source),
+      mFirstFramePos(-1),
+      mFixedHeader(0) {
+    off_t pos = 0;
+    uint32_t header;
+    bool success = Resync(mDataSource, 0, &pos, &header);
+    assert(success);
+
+    if (success) {
+        mFirstFramePos = pos;
+        mFixedHeader = header;
+
+        size_t frame_size;
+        int sample_rate;
+        int num_channels;
+        int bitrate;
+        get_mp3_frame_size(
+                header, &frame_size, &sample_rate, &num_channels, &bitrate);
+
+        mMeta = new MetaData;
+
+        mMeta->setCString(kKeyMIMEType, "audio/mpeg");
+        mMeta->setInt32(kKeySampleRate, sample_rate);
+        mMeta->setInt32(kKeyBitRate, bitrate);
+        mMeta->setInt32(kKeyChannelCount, num_channels);
+
+        off_t fileSize;
+        if (mDataSource->getSize(&fileSize) == OK) {
+            mMeta->setInt32(
+                    kKeyDuration,
+                    8 * (fileSize - mFirstFramePos) / bitrate);
+            mMeta->setInt32(kKeyTimeScale, 1000);
+        }
+    }
+}
+
+MP3Extractor::~MP3Extractor() {
+    delete mDataSource;
+    mDataSource = NULL;
+}
+
+status_t MP3Extractor::countTracks(int *num_tracks) {
+    *num_tracks = mFirstFramePos < 0 ? 0 : 1;
+
+    return OK;
+}
+
+status_t MP3Extractor::getTrack(int index, MediaSource **source) {
+    if (mFirstFramePos < 0 || index != 0) {
+        return ERROR_OUT_OF_RANGE;
+    }
+
+    *source = new MP3Source(
+            mMeta, mDataSource, mFirstFramePos, mFixedHeader);
+
+    return OK;
+}
+
+sp<MetaData> MP3Extractor::getTrackMetaData(int index) {
+    if (mFirstFramePos < 0 || index != 0) {
+        return NULL;
+    }
+
+    return mMeta;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+MP3Source::MP3Source(
+        const sp<MetaData> &meta, DataSource *source,
+        off_t first_frame_pos, uint32_t fixed_header)
+    : mMeta(meta),
+      mDataSource(source),
+      mFirstFramePos(first_frame_pos),
+      mFixedHeader(fixed_header),
+      mCurrentPos(0),
+      mCurrentTimeUs(0),
+      mStarted(false),
+      mGroup(NULL) {
+}
+
+MP3Source::~MP3Source() {
+    if (mStarted) {
+        stop();
+    }
+}
+
+status_t MP3Source::start(MetaData *) {
+    assert(!mStarted);
+
+    mGroup = new MediaBufferGroup;
+
+    const size_t kMaxFrameSize = 32768;
+    mGroup->add_buffer(new MediaBuffer(kMaxFrameSize));
+
+    mCurrentPos = mFirstFramePos;
+    mCurrentTimeUs = 0;
+
+    mStarted = true;
+
+    return OK;
+}
+
+status_t MP3Source::stop() {
+    assert(mStarted);
+
+    delete mGroup;
+    mGroup = NULL;
+
+    mStarted = false;
+
+    return OK;
+}
+
+sp<MetaData> MP3Source::getFormat() {
+    return mMeta;
+}
+
+status_t MP3Source::read(
+        MediaBuffer **out, const ReadOptions *options) {
+    *out = NULL;
+
+    int64_t seekTimeUs;
+    if (options != NULL && options->getSeekTo(&seekTimeUs)) {
+        int32_t bitrate;
+        if (!mMeta->findInt32(kKeyBitRate, &bitrate)) {
+            // bitrate is in kbits/sec.
+            LOGI("no bitrate");
+
+            return ERROR_UNSUPPORTED;
+        }
+
+        mCurrentTimeUs = seekTimeUs;
+        mCurrentPos = mFirstFramePos + seekTimeUs * bitrate / 1000000 * 125;
+    }
+
+    MediaBuffer *buffer;
+    status_t err = mGroup->acquire_buffer(&buffer);
+    if (err != OK) {
+        return err;
+    }
+
+    size_t frame_size;
+    for (;;) {
+        ssize_t n = mDataSource->read_at(mCurrentPos, buffer->data(), 4);
+        if (n < 4) {
+            buffer->release();
+            buffer = NULL;
+
+            return ERROR_END_OF_STREAM;
+        }
+
+        uint32_t header = U32_AT((const uint8_t *)buffer->data());
+        
+        if (get_mp3_frame_size(header, &frame_size)) {
+            break;
+        }
+
+        // Lost sync.
+        LOGW("lost sync!\n");
+
+        off_t pos = mCurrentPos;
+        if (!Resync(mDataSource, mFixedHeader, &pos, NULL)) {
+            LOGE("Unable to resync. Signalling end of stream.");
+
+            buffer->release();
+            buffer = NULL;
+
+            return ERROR_END_OF_STREAM;
+        }
+
+        mCurrentPos = pos;
+
+        // Try again with the new position.
+    }
+
+    assert(frame_size <= buffer->size());
+
+    ssize_t n = mDataSource->read_at(mCurrentPos, buffer->data(), frame_size);
+    if (n < (ssize_t)frame_size) {
+        buffer->release();
+        buffer = NULL;
+
+        return ERROR_END_OF_STREAM;
+    }
+
+    buffer->set_range(0, frame_size);
+
+    buffer->meta_data()->setInt32(kKeyTimeUnits, mCurrentTimeUs / 1000);
+    buffer->meta_data()->setInt32(kKeyTimeScale, 1000);
+
+    mCurrentPos += frame_size;
+    mCurrentTimeUs += 1152 * 1000000 / 44100;
+
+    *out = buffer;
+
+    return OK;
+}
+
+bool SniffMP3(DataSource *source, String8 *mimeType, float *confidence) {
+    off_t pos = 0;
+    uint32_t header;
+    if (!Resync(source, 0, &pos, &header)) {
+        return false;
+    }
+
+    *mimeType = "audio/mpeg";
+    *confidence = 0.3f;
+
+    return true;
+}
+
+}  // namespace android

media/libstagefright/MPEG4Extractor.cpp

@@ -0,0 +1,937 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "MPEG4Extractor"
+#include <utils/Log.h>
+
+#include <arpa/inet.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <ctype.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/MPEG4Extractor.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MediaBufferGroup.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/SampleTable.h>
+#include <media/stagefright/Utils.h>
+#include <utils/String8.h>
+
+namespace android {
+
+class MPEG4Source : public MediaSource {
+public:
+    // Caller retains ownership of both "dataSource" and "sampleTable".
+    MPEG4Source(const sp<MetaData> &format, DataSource *dataSource,
+                SampleTable *sampleTable);
+
+    virtual ~MPEG4Source();
+
+    virtual status_t start(MetaData *params = NULL);
+    virtual status_t stop();
+
+    virtual sp<MetaData> getFormat();
+
+    virtual status_t read(
+            MediaBuffer **buffer, const ReadOptions *options = NULL);
+
+private:
+    sp<MetaData> mFormat;
+    DataSource *mDataSource;
+    int32_t mTimescale;
+    SampleTable *mSampleTable;
+    uint32_t mCurrentSampleIndex;
+
+    bool mIsAVC;
+    bool mStarted;
+
+    MediaBufferGroup *mGroup;
+
+    MediaBuffer *mBuffer;
+    size_t mBufferOffset;
+    size_t mBufferSizeRemaining;
+
+    bool mNeedsNALFraming;
+
+    MPEG4Source(const MPEG4Source &);
+    MPEG4Source &operator=(const MPEG4Source &);
+};
+
+static void hexdump(const void *_data, size_t size) {
+    const uint8_t *data = (const uint8_t *)_data;
+    size_t offset = 0;
+    while (offset < size) {
+        printf("0x%04x  ", offset);
+
+        size_t n = size - offset;
+        if (n > 16) {
+            n = 16;
+        }
+
+        for (size_t i = 0; i < 16; ++i) {
+            if (i == 8) {
+                printf(" ");
+            }
+
+            if (offset + i < size) {
+                printf("%02x ", data[offset + i]);
+            } else {
+                printf("   ");
+            }
+        }
+
+        printf(" ");
+
+        for (size_t i = 0; i < n; ++i) {
+            if (isprint(data[offset + i])) {
+                printf("%c", data[offset + i]);
+            } else {
+                printf(".");
+            }
+        }
+
+        printf("\n");
+
+        offset += 16;
+    }
+}
+
+static const char *const FourCC2MIME(uint32_t fourcc) {
+    switch (fourcc) {
+        case FOURCC('m', 'p', '4', 'a'):
+            return "audio/mp4a-latm";
+
+        case FOURCC('s', 'a', 'm', 'r'):
+            return "audio/3gpp";
+
+        case FOURCC('m', 'p', '4', 'v'):
+            return "video/mp4v-es";
+
+        case FOURCC('s', '2', '6', '3'):
+            return "video/3gpp";
+
+        case FOURCC('a', 'v', 'c', '1'):
+            return "video/avc";
+
+        default:
+            assert(!"should not be here.");
+            return NULL;
+    }
+}
+
+MPEG4Extractor::MPEG4Extractor(DataSource *source)
+    : mDataSource(source),
+      mHaveMetadata(false),
+      mFirstTrack(NULL),
+      mLastTrack(NULL) {
+}
+
+MPEG4Extractor::~MPEG4Extractor() {
+    Track *track = mFirstTrack;
+    while (track) {
+        Track *next = track->next;
+
+        delete track->sampleTable;
+        track->sampleTable = NULL;
+
+        delete track;
+        track = next;
+    }
+    mFirstTrack = mLastTrack = NULL;
+
+    delete mDataSource;
+    mDataSource = NULL;
+}
+
+status_t MPEG4Extractor::countTracks(int *num_tracks) {
+    status_t err;
+    if ((err = readMetaData()) != OK) {
+        return err;
+    }
+
+    *num_tracks = 0;
+    Track *track = mFirstTrack;
+    while (track) {
+        ++*num_tracks;
+        track = track->next;
+    }
+
+    return OK;
+}
+
+sp<MetaData> MPEG4Extractor::getTrackMetaData(int index) {
+    if (index < 0) {
+        return NULL;
+    }
+
+    status_t err;
+    if ((err = readMetaData()) != OK) {
+        return NULL;
+    }
+
+    Track *track = mFirstTrack;
+    while (index > 0) {
+        if (track == NULL) {
+            return NULL;
+        }
+
+        track = track->next;
+        --index;
+    }
+
+    return track->meta;
+}
+
+status_t MPEG4Extractor::readMetaData() {
+    if (mHaveMetadata) {
+        return OK;
+    }
+
+    off_t offset = 0;
+    status_t err;
+    while ((err = parseChunk(&offset, 0)) == OK) {
+    }
+    
+    if (mHaveMetadata) {
+        return OK;
+    }
+
+    return err;
+}
+
+static void MakeFourCCString(uint32_t x, char *s) {
+    s[0] = x >> 24;
+    s[1] = (x >> 16) & 0xff;
+    s[2] = (x >> 8) & 0xff;
+    s[3] = x & 0xff;
+    s[4] = '\0';
+}
+
+status_t MPEG4Extractor::parseChunk(off_t *offset, int depth) {
+    uint32_t hdr[2];
+    if (mDataSource->read_at(*offset, hdr, 8) < 8) {
+        return ERROR_IO;
+    }
+    uint64_t chunk_size = ntohl(hdr[0]);
+    uint32_t chunk_type = ntohl(hdr[1]);
+    off_t data_offset = *offset + 8;
+
+    if (chunk_size == 1) {
+        if (mDataSource->read_at(*offset + 8, &chunk_size, 8) < 8) {
+            return ERROR_IO;
+        }
+        chunk_size = ntoh64(chunk_size);
+        data_offset += 8;
+    }
+
+    char chunk[5];
+    MakeFourCCString(chunk_type, chunk);
+
+#if 0
+    static const char kWhitespace[] = "                                        ";
+    const char *indent = &kWhitespace[sizeof(kWhitespace) - 1 - 2 * depth];
+    printf("%sfound chunk '%s' of size %lld\n", indent, chunk, chunk_size);
+
+    char buffer[256];
+    if (chunk_size <= sizeof(buffer)) {
+        if (mDataSource->read_at(*offset, buffer, chunk_size) < chunk_size) {
+            return ERROR_IO;
+        }
+
+        hexdump(buffer, chunk_size);
+    }
+#endif
+
+    off_t chunk_data_size = *offset + chunk_size - data_offset;
+
+    switch(chunk_type) {
+        case FOURCC('m', 'o', 'o', 'v'):
+        case FOURCC('t', 'r', 'a', 'k'):
+        case FOURCC('m', 'd', 'i', 'a'):
+        case FOURCC('m', 'i', 'n', 'f'):
+        case FOURCC('d', 'i', 'n', 'f'):
+        case FOURCC('s', 't', 'b', 'l'):
+        case FOURCC('m', 'v', 'e', 'x'):
+        case FOURCC('m', 'o', 'o', 'f'):
+        case FOURCC('t', 'r', 'a', 'f'):
+        case FOURCC('m', 'f', 'r', 'a'):
+        case FOURCC('s', 'k', 'i' ,'p'):
+        {
+            off_t stop_offset = *offset + chunk_size;
+            *offset = data_offset;
+            while (*offset < stop_offset) {
+                status_t err = parseChunk(offset, depth + 1);
+                if (err != OK) {
+                    return err;
+                }
+            }
+            assert(*offset == stop_offset);
+
+            if (chunk_type == FOURCC('m', 'o', 'o', 'v')) {
+                mHaveMetadata = true;
+
+                return UNKNOWN_ERROR;  // Return a dummy error.
+            }
+            break;
+        }
+
+        case FOURCC('t', 'k', 'h', 'd'):
+        {
+            assert(chunk_data_size >= 4);
+
+            uint8_t version;
+            if (mDataSource->read_at(data_offset, &version, 1) < 1) {
+                return ERROR_IO;
+            }
+
+            uint64_t ctime, mtime, duration;
+            int32_t id;
+            uint32_t width, height;
+
+            if (version == 1) {
+                if (chunk_data_size != 36 + 60) {
+                    return ERROR_MALFORMED;
+                }
+
+                uint8_t buffer[36 + 60];
+                if (mDataSource->read_at(
+                            data_offset, buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) {
+                    return ERROR_IO;
+                }
+
+                ctime = U64_AT(&buffer[4]);
+                mtime = U64_AT(&buffer[12]);
+                id = U32_AT(&buffer[20]);
+                duration = U64_AT(&buffer[28]);
+                width = U32_AT(&buffer[88]);
+                height = U32_AT(&buffer[92]);
+            } else if (version == 0) {
+                if (chunk_data_size != 24 + 60) {
+                    return ERROR_MALFORMED;
+                }
+
+                uint8_t buffer[24 + 60];
+                if (mDataSource->read_at(
+                            data_offset, buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) {
+                    return ERROR_IO;
+                }
+                ctime = U32_AT(&buffer[4]);
+                mtime = U32_AT(&buffer[8]);
+                id = U32_AT(&buffer[12]);
+                duration = U32_AT(&buffer[20]);
+                width = U32_AT(&buffer[76]);
+                height = U32_AT(&buffer[80]);
+            }
+
+            Track *track = new Track;
+            track->next = NULL;
+            if (mLastTrack) {
+                mLastTrack->next = track;
+            } else {
+                mFirstTrack = track;
+            }
+            mLastTrack = track;
+
+            track->meta = new MetaData;
+            track->timescale = 0;
+            track->sampleTable = new SampleTable(mDataSource);
+            track->meta->setCString(kKeyMIMEType, "application/octet-stream");
+
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('m', 'd', 'h', 'd'):
+        {
+            if (chunk_data_size < 4) {
+                return ERROR_MALFORMED;
+            }
+
+            uint8_t version;
+            if (mDataSource->read_at(
+                        data_offset, &version, sizeof(version))
+                    < (ssize_t)sizeof(version)) {
+                return ERROR_IO;
+            }
+
+            off_t timescale_offset;
+
+            if (version == 1) {
+                timescale_offset = data_offset + 4 + 16;
+            } else if (version == 0) {
+                timescale_offset = data_offset + 4 + 8;
+            } else {
+                return ERROR_IO;
+            }
+
+            uint32_t timescale;
+            if (mDataSource->read_at(
+                        timescale_offset, &timescale, sizeof(timescale))
+                    < (ssize_t)sizeof(timescale)) {
+                return ERROR_IO;
+            }
+
+            mLastTrack->timescale = ntohl(timescale);
+            mLastTrack->meta->setInt32(kKeyTimeScale, mLastTrack->timescale);
+
+            int64_t duration;
+            if (version == 1) {
+                if (mDataSource->read_at(
+                            timescale_offset + 4, &duration, sizeof(duration))
+                        < (ssize_t)sizeof(duration)) {
+                    return ERROR_IO;
+                }
+                duration = ntoh64(duration);
+            } else {
+                int32_t duration32;
+                if (mDataSource->read_at(
+                            timescale_offset + 4, &duration32, sizeof(duration32))
+                        < (ssize_t)sizeof(duration32)) {
+                    return ERROR_IO;
+                }
+                duration = ntohl(duration32);
+            }
+            mLastTrack->meta->setInt32(kKeyDuration, duration);
+
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('h', 'd', 'l', 'r'):
+        {
+            if (chunk_data_size < 25) {
+                return ERROR_MALFORMED;
+            }
+
+            uint8_t buffer[24];
+            if (mDataSource->read_at(data_offset, buffer, 24) < 24) {
+                return ERROR_IO;
+            }
+
+            if (U32_AT(buffer) != 0) {
+                // Should be version 0, flags 0.
+                return ERROR_MALFORMED;
+            }
+
+            if (U32_AT(&buffer[4]) != 0) {
+                // pre_defined should be 0.
+                return ERROR_MALFORMED;
+            }
+
+            mHandlerType = U32_AT(&buffer[8]);
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('s', 't', 's', 'd'):
+        {
+            if (chunk_data_size < 8) {
+                return ERROR_MALFORMED;
+            }
+
+            uint8_t buffer[8];
+            assert(chunk_data_size >= (off_t)sizeof(buffer));
+            if (mDataSource->read_at(
+                        data_offset, buffer, 8) < 8) {
+                return ERROR_IO;
+            }
+
+            if (U32_AT(buffer) != 0) {
+                // Should be version 0, flags 0.
+                return ERROR_MALFORMED;
+            }
+
+            uint32_t entry_count = U32_AT(&buffer[4]);
+
+            if (entry_count > 1) {
+                // For now we only support a single type of media per track.
+                return ERROR_UNSUPPORTED;
+            }
+
+            off_t stop_offset = *offset + chunk_size;
+            *offset = data_offset + 8;
+            for (uint32_t i = 0; i < entry_count; ++i) {
+                status_t err = parseChunk(offset, depth + 1);
+                if (err != OK) {
+                    return err;
+                }
+            }
+            assert(*offset == stop_offset);
+            break;
+        }
+
+        case FOURCC('m', 'p', '4', 'a'):
+        case FOURCC('s', 'a', 'm', 'r'):
+        {
+            if (mHandlerType != FOURCC('s', 'o', 'u', 'n')) {
+                return ERROR_MALFORMED;
+            }
+
+            uint8_t buffer[8 + 20];
+            if (chunk_data_size < (ssize_t)sizeof(buffer)) {
+                // Basic AudioSampleEntry size.
+                return ERROR_MALFORMED;
+            }
+
+            if (mDataSource->read_at(
+                        data_offset, buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) {
+                return ERROR_IO;
+            }
+
+            uint16_t data_ref_index = U16_AT(&buffer[6]);
+            uint16_t num_channels = U16_AT(&buffer[16]);
+
+            if (!strcasecmp("audio/3gpp", FourCC2MIME(chunk_type))) {
+                // AMR audio is always mono.
+                num_channels = 1;
+            }
+
+            uint16_t sample_size = U16_AT(&buffer[18]);
+            uint32_t sample_rate = U32_AT(&buffer[24]) >> 16;
+
+            printf("*** coding='%s' %d channels, size %d, rate %d\n",
+                   chunk, num_channels, sample_size, sample_rate);
+
+            mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(chunk_type));
+            mLastTrack->meta->setInt32(kKeyChannelCount, num_channels);
+            mLastTrack->meta->setInt32(kKeySampleRate, sample_rate);
+
+            off_t stop_offset = *offset + chunk_size;
+            *offset = data_offset + sizeof(buffer);
+            while (*offset < stop_offset) {
+                status_t err = parseChunk(offset, depth + 1);
+                if (err != OK) {
+                    return err;
+                }
+            }
+            assert(*offset == stop_offset);
+            break;
+        }
+
+        case FOURCC('m', 'p', '4', 'v'):
+        case FOURCC('s', '2', '6', '3'):
+        case FOURCC('a', 'v', 'c', '1'):
+        {
+            if (mHandlerType != FOURCC('v', 'i', 'd', 'e')) {
+                return ERROR_MALFORMED;
+            }
+
+            uint8_t buffer[78];
+            if (chunk_data_size < (ssize_t)sizeof(buffer)) {
+                // Basic VideoSampleEntry size.
+                return ERROR_MALFORMED;
+            }
+
+            if (mDataSource->read_at(
+                        data_offset, buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) {
+                return ERROR_IO;
+            }
+
+            uint16_t data_ref_index = U16_AT(&buffer[6]);
+            uint16_t width = U16_AT(&buffer[6 + 18]);
+            uint16_t height = U16_AT(&buffer[6 + 20]);
+
+            printf("*** coding='%s' width=%d height=%d\n",
+                   chunk, width, height);
+
+            mLastTrack->meta->setCString(kKeyMIMEType, FourCC2MIME(chunk_type));
+            mLastTrack->meta->setInt32(kKeyWidth, width);
+            mLastTrack->meta->setInt32(kKeyHeight, height);
+
+            off_t stop_offset = *offset + chunk_size;
+            *offset = data_offset + sizeof(buffer);
+            while (*offset < stop_offset) {
+                status_t err = parseChunk(offset, depth + 1);
+                if (err != OK) {
+                    return err;
+                }
+            }
+            assert(*offset == stop_offset);
+            break;
+        }
+
+        case FOURCC('s', 't', 'c', 'o'):
+        case FOURCC('c', 'o', '6', '4'):
+        {
+            status_t err =
+                mLastTrack->sampleTable->setChunkOffsetParams(
+                        chunk_type, data_offset, chunk_data_size);
+
+            if (err != OK) {
+                return err;
+            }
+
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('s', 't', 's', 'c'):
+        {
+            status_t err =
+                mLastTrack->sampleTable->setSampleToChunkParams(
+                        data_offset, chunk_data_size);
+
+            if (err != OK) {
+                return err;
+            }
+
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('s', 't', 's', 'z'):
+        case FOURCC('s', 't', 'z', '2'):
+        {
+            status_t err =
+                mLastTrack->sampleTable->setSampleSizeParams(
+                        chunk_type, data_offset, chunk_data_size);
+
+            if (err != OK) {
+                return err;
+            }
+
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('s', 't', 't', 's'):
+        {
+            status_t err =
+                mLastTrack->sampleTable->setTimeToSampleParams(
+                        data_offset, chunk_data_size);
+
+            if (err != OK) {
+                return err;
+            }
+
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('s', 't', 's', 's'):
+        {
+            status_t err =
+                mLastTrack->sampleTable->setSyncSampleParams(
+                        data_offset, chunk_data_size);
+
+            if (err != OK) {
+                return err;
+            }
+
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('e', 's', 'd', 's'):
+        {
+            if (chunk_data_size < 4) {
+                return ERROR_MALFORMED;
+            }
+
+            uint8_t buffer[256];
+            if (chunk_data_size > (off_t)sizeof(buffer)) {
+                return ERROR_BUFFER_TOO_SMALL;
+            }
+
+            if (mDataSource->read_at(
+                        data_offset, buffer, chunk_data_size) < chunk_data_size) {
+                return ERROR_IO;
+            }
+
+            if (U32_AT(buffer) != 0) {
+                // Should be version 0, flags 0.
+                return ERROR_MALFORMED;
+            }
+
+            mLastTrack->meta->setData(
+                    kKeyESDS, kTypeESDS, &buffer[4], chunk_data_size - 4);
+
+            *offset += chunk_size;
+            break;
+        }
+
+        case FOURCC('a', 'v', 'c', 'C'):
+        {
+            char buffer[256];
+            if (chunk_data_size > (off_t)sizeof(buffer)) {
+                return ERROR_BUFFER_TOO_SMALL;
+            }
+
+            if (mDataSource->read_at(
+                        data_offset, buffer, chunk_data_size) < chunk_data_size) {
+                return ERROR_IO;
+            }
+
+            mLastTrack->meta->setData(
+                    kKeyAVCC, kTypeAVCC, buffer, chunk_data_size);
+
+            *offset += chunk_size;
+            break;
+        }
+
+        default:
+        {
+            *offset += chunk_size;
+            break;
+        }
+    }
+
+    return OK;
+}
+
+status_t MPEG4Extractor::getTrack(int index, MediaSource **source) {
+    *source = NULL;
+
+    if (index < 0) {
+        return ERROR_OUT_OF_RANGE;
+    }
+
+    status_t err;
+    if ((err = readMetaData()) != OK) {
+        return err;
+    }
+
+    Track *track = mFirstTrack;
+    while (index > 0) {
+        if (track == NULL) {
+            return ERROR_OUT_OF_RANGE;
+        }
+
+        track = track->next;
+        --index;
+    }
+
+    *source = new MPEG4Source(
+            track->meta, mDataSource, track->sampleTable);
+
+    return OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+MPEG4Source::MPEG4Source(
+        const sp<MetaData> &format,
+        DataSource *dataSource, SampleTable *sampleTable)
+    : mFormat(format),
+      mDataSource(dataSource),
+      mTimescale(0),
+      mSampleTable(sampleTable),
+      mCurrentSampleIndex(0),
+      mIsAVC(false),
+      mStarted(false),
+      mGroup(NULL),
+      mBuffer(NULL),
+      mBufferOffset(0),
+      mBufferSizeRemaining(0),
+      mNeedsNALFraming(false) {
+    const char *mime;
+    bool success = mFormat->findCString(kKeyMIMEType, &mime);
+    assert(success);
+
+    success = mFormat->findInt32(kKeyTimeScale, &mTimescale);
+    assert(success);
+
+    mIsAVC = !strcasecmp(mime, "video/avc");
+}
+
+MPEG4Source::~MPEG4Source() {
+    if (mStarted) {
+        stop();
+    }
+}
+
+status_t MPEG4Source::start(MetaData *params) {
+    assert(!mStarted);
+
+    int32_t val;
+    if (mIsAVC && params && params->findInt32(kKeyNeedsNALFraming, &val)
+        && val != 0) {
+        mNeedsNALFraming = true;
+    } else {
+        mNeedsNALFraming = false;
+    }
+
+    mGroup = new MediaBufferGroup;
+
+    size_t max_size;
+    status_t err = mSampleTable->getMaxSampleSize(&max_size);
+    assert(err == OK);
+
+    // Add padding for de-framing of AVC content just in case.
+    mGroup->add_buffer(new MediaBuffer(max_size + 2));
+
+    mStarted = true;
+
+    return OK;
+}
+
+status_t MPEG4Source::stop() {
+    assert(mStarted);
+
+    if (mBuffer != NULL) {
+        mBuffer->release();
+        mBuffer = NULL;
+    }
+
+    delete mGroup;
+    mGroup = NULL;
+
+    mStarted = false;
+    mCurrentSampleIndex = 0;
+
+    return OK;
+}
+
+sp<MetaData> MPEG4Source::getFormat() {
+    return mFormat;
+}
+
+status_t MPEG4Source::read(
+        MediaBuffer **out, const ReadOptions *options) {
+    assert(mStarted);
+
+    *out = NULL;
+
+    int64_t seekTimeUs;
+    if (options && options->getSeekTo(&seekTimeUs)) {
+        uint32_t sampleIndex;
+        status_t err = mSampleTable->findClosestSample(
+                seekTimeUs * mTimescale / 1000000,
+                &sampleIndex, SampleTable::kSyncSample_Flag);
+
+        if (err != OK) {
+            return err;
+        }
+
+        mCurrentSampleIndex = sampleIndex;
+        if (mBuffer != NULL) {
+            mBuffer->release();
+            mBuffer = NULL;
+        }
+
+        // fall through
+    }
+
+    if (mBuffer == NULL) {
+        off_t offset;
+        size_t size;
+        status_t err = mSampleTable->getSampleOffsetAndSize(
+                mCurrentSampleIndex, &offset, &size);
+
+        if (err != OK) {
+            return err;
+        }
+
+        uint32_t dts;
+        err = mSampleTable->getDecodingTime(mCurrentSampleIndex, &dts);
+
+        if (err != OK) {
+            return err;
+        }
+
+        err = mGroup->acquire_buffer(&mBuffer);
+        if (err != OK) {
+            assert(mBuffer == NULL);
+            return err;
+        }
+
+        assert(mBuffer->size() + 2 >= size);
+
+        ssize_t num_bytes_read =
+            mDataSource->read_at(offset, (uint8_t *)mBuffer->data() + 2, size);
+
+        if (num_bytes_read < (ssize_t)size) {
+            mBuffer->release();
+            mBuffer = NULL;
+
+            return err;
+        }
+
+        mBuffer->set_range(2, size);
+        mBuffer->meta_data()->clear();
+        mBuffer->meta_data()->setInt32(kKeyTimeUnits, dts);
+        mBuffer->meta_data()->setInt32(kKeyTimeScale, mTimescale);
+
+        ++mCurrentSampleIndex;
+
+        mBufferOffset = 2;
+        mBufferSizeRemaining = size;
+    }
+
+    if (!mIsAVC) {
+        *out = mBuffer;
+        mBuffer = NULL;
+
+        return OK;
+    }
+
+    uint8_t *data = (uint8_t *)mBuffer->data() + mBufferOffset;
+    assert(mBufferSizeRemaining >= 2);
+
+    size_t nal_length = (data[0] << 8) | data[1];
+    assert(mBufferSizeRemaining >= 2 + nal_length);
+
+    if (mNeedsNALFraming) {
+        // Insert marker.
+        data[-2] = data[-1] = data[0] = 0;
+        data[1] = 1;
+
+        mBuffer->set_range(mBufferOffset - 2, nal_length + 4);
+    } else {
+        mBuffer->set_range(mBufferOffset + 2, nal_length);
+    }
+
+    mBufferOffset += nal_length + 2;
+    mBufferSizeRemaining -= nal_length + 2;
+
+    if (mBufferSizeRemaining > 0) {
+        *out = mBuffer->clone();
+    } else {
+        *out = mBuffer;
+        mBuffer = NULL;
+    }
+
+    return OK;
+}
+
+bool SniffMPEG4(DataSource *source, String8 *mimeType, float *confidence) {
+    uint8_t header[8];
+
+    ssize_t n = source->read_at(4, header, sizeof(header));
+    if (n < (ssize_t)sizeof(header)) {
+        return false;
+    }
+
+    if (!memcmp(header, "ftyp3gp", 7) || !memcmp(header, "ftypmp42", 8)
+        || !memcmp(header, "ftypisom", 8) || !memcmp(header, "ftypM4V ", 8)) {
+        *mimeType = "video/mp4";
+        *confidence = 0.1;
+
+        return true;
+    }
+
+    return false;
+}
+
+}  // namespace android
+

media/libstagefright/MPEG4Writer.cpp

@@ -0,0 +1,641 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <arpa/inet.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <ctype.h>
+#include <pthread.h>
+
+#include <media/stagefright/MPEG4Writer.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/Utils.h>
+
+namespace android {
+
+class MPEG4Writer::Track {
+public:
+    Track(MPEG4Writer *owner, const sp<MetaData> &meta, MediaSource *source);
+    ~Track();
+
+    void start();
+    void stop();
+
+    int64_t getDuration() const;
+    void writeTrackHeader(int32_t trackID);
+
+private:
+    MPEG4Writer *mOwner;
+    sp<MetaData> mMeta;
+    MediaSource *mSource;
+    volatile bool mDone;
+
+    pthread_t mThread;
+
+    struct SampleInfo {
+        size_t size;
+        off_t offset;
+        int64_t timestamp;
+    };
+    List<SampleInfo> mSampleInfos;
+
+    void *mCodecSpecificData;
+    size_t mCodecSpecificDataSize;
+
+    static void *ThreadWrapper(void *me);
+    void threadEntry();
+
+    Track(const Track &);
+    Track &operator=(const Track &);
+};
+
+MPEG4Writer::MPEG4Writer(const char *filename)
+    : mFile(fopen(filename, "wb")),
+      mOffset(0),
+      mMdatOffset(0) {
+    assert(mFile != NULL);
+}
+
+MPEG4Writer::~MPEG4Writer() {
+    stop();
+
+    for (List<Track *>::iterator it = mTracks.begin();
+         it != mTracks.end(); ++it) {
+        delete *it;
+    }
+    mTracks.clear();
+}
+
+void MPEG4Writer::addSource(const sp<MetaData> &meta, MediaSource *source) {
+    Track *track = new Track(this, meta, source);
+    mTracks.push_back(track);
+}
+
+void MPEG4Writer::start() {
+    if (mFile == NULL) {
+        return;
+    }
+
+    beginBox("ftyp");
+      writeFourcc("isom");
+      writeInt32(0);
+      writeFourcc("isom");
+    endBox();
+
+    mMdatOffset = mOffset;
+    write("\x00\x00\x00\x01mdat????????", 16);
+
+    for (List<Track *>::iterator it = mTracks.begin();
+         it != mTracks.end(); ++it) {
+        (*it)->start();
+    }
+}
+
+void MPEG4Writer::stop() {
+    if (mFile == NULL) {
+        return;
+    }
+
+    int64_t max_duration = 0;
+    for (List<Track *>::iterator it = mTracks.begin();
+         it != mTracks.end(); ++it) {
+        (*it)->stop();
+
+        int64_t duration = (*it)->getDuration();
+        if (duration > max_duration) {
+            max_duration = duration;
+        }
+    }
+
+    // Fix up the size of the 'mdat' chunk.
+    fseek(mFile, mMdatOffset + 8, SEEK_SET);
+    int64_t size = mOffset - mMdatOffset;
+    size = hton64(size);
+    fwrite(&size, 1, 8, mFile);
+    fseek(mFile, mOffset, SEEK_SET);
+
+    time_t now = time(NULL);
+
+    beginBox("moov");
+
+      beginBox("mvhd");
+        writeInt32(0);             // version=0, flags=0
+        writeInt32(now);           // creation time
+        writeInt32(now);           // modification time
+        writeInt32(1000);          // timescale
+        writeInt32(max_duration);
+        writeInt32(0x10000);       // rate
+        writeInt16(0x100);         // volume
+        writeInt16(0);             // reserved
+        writeInt32(0);             // reserved
+        writeInt32(0);             // reserved
+        writeInt32(0x10000);       // matrix
+        writeInt32(0);
+        writeInt32(0);
+        writeInt32(0);
+        writeInt32(0x10000);
+        writeInt32(0);
+        writeInt32(0);
+        writeInt32(0);
+        writeInt32(0x40000000);
+        writeInt32(0);             // predefined
+        writeInt32(0);             // predefined
+        writeInt32(0);             // predefined
+        writeInt32(0);             // predefined
+        writeInt32(0);             // predefined
+        writeInt32(0);             // predefined
+        writeInt32(mTracks.size() + 1);  // nextTrackID
+      endBox();  // mvhd
+
+      int32_t id = 1;
+      for (List<Track *>::iterator it = mTracks.begin();
+           it != mTracks.end(); ++it, ++id) {
+          (*it)->writeTrackHeader(id);
+      }
+    endBox();  // moov
+
+    assert(mBoxes.empty());
+
+    fclose(mFile);
+    mFile = NULL;
+}
+
+off_t MPEG4Writer::addSample(MediaBuffer *buffer) {
+    Mutex::Autolock autoLock(mLock);
+
+    off_t old_offset = mOffset;
+
+    fwrite((const uint8_t *)buffer->data() + buffer->range_offset(),
+           1, buffer->range_length(), mFile);
+
+    mOffset += buffer->range_length();
+
+    return old_offset;
+}
+
+void MPEG4Writer::beginBox(const char *fourcc) {
+    assert(strlen(fourcc) == 4);
+
+    mBoxes.push_back(mOffset);
+
+    writeInt32(0);
+    writeFourcc(fourcc);
+}
+
+void MPEG4Writer::endBox() {
+    assert(!mBoxes.empty());
+
+    off_t offset = *--mBoxes.end();
+    mBoxes.erase(--mBoxes.end());
+
+    fseek(mFile, offset, SEEK_SET);
+    writeInt32(mOffset - offset);
+    mOffset -= 4;
+    fseek(mFile, mOffset, SEEK_SET);
+}
+
+void MPEG4Writer::writeInt8(int8_t x) {
+    fwrite(&x, 1, 1, mFile);
+    ++mOffset;
+}
+
+void MPEG4Writer::writeInt16(int16_t x) {
+    x = htons(x);
+    fwrite(&x, 1, 2, mFile);
+    mOffset += 2;
+}
+
+void MPEG4Writer::writeInt32(int32_t x) {
+    x = htonl(x);
+    fwrite(&x, 1, 4, mFile);
+    mOffset += 4;
+}
+
+void MPEG4Writer::writeInt64(int64_t x) {
+    x = hton64(x);
+    fwrite(&x, 1, 8, mFile);
+    mOffset += 8;
+}
+
+void MPEG4Writer::writeCString(const char *s) {
+    size_t n = strlen(s);
+
+    fwrite(s, 1, n + 1, mFile);
+    mOffset += n + 1;
+}
+
+void MPEG4Writer::writeFourcc(const char *s) {
+    assert(strlen(s) == 4);
+    fwrite(s, 1, 4, mFile);
+    mOffset += 4;
+}
+
+void MPEG4Writer::write(const void *data, size_t size) {
+    fwrite(data, 1, size, mFile);
+    mOffset += size;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+MPEG4Writer::Track::Track(
+        MPEG4Writer *owner, const sp<MetaData> &meta, MediaSource *source)
+    : mOwner(owner),
+      mMeta(meta),
+      mSource(source),
+      mDone(false),
+      mCodecSpecificData(NULL),
+      mCodecSpecificDataSize(0) {
+}
+
+MPEG4Writer::Track::~Track() {
+    stop();
+
+    if (mCodecSpecificData != NULL) {
+        free(mCodecSpecificData);
+        mCodecSpecificData = NULL;
+    }
+}
+
+void MPEG4Writer::Track::start() {
+    mSource->start();
+
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+    mDone = false;
+
+    int err = pthread_create(&mThread, &attr, ThreadWrapper, this);
+    assert(err == 0);
+
+    pthread_attr_destroy(&attr);
+}
+
+void MPEG4Writer::Track::stop() {
+    if (mDone) {
+        return;
+    }
+
+    mDone = true;
+
+    void *dummy;
+    pthread_join(mThread, &dummy);
+
+    mSource->stop();
+}
+
+// static
+void *MPEG4Writer::Track::ThreadWrapper(void *me) {
+    Track *track = static_cast<Track *>(me);
+
+    track->threadEntry();
+
+    return NULL;
+}
+
+void MPEG4Writer::Track::threadEntry() {
+    bool is_mpeg4 = false;
+    sp<MetaData> meta = mSource->getFormat();
+    const char *mime;
+    meta->findCString(kKeyMIMEType, &mime);
+    is_mpeg4 = !strcasecmp(mime, "video/mp4v-es");
+
+    MediaBuffer *buffer;
+    while (!mDone && mSource->read(&buffer) == OK) {
+        if (buffer->range_length() == 0) {
+            buffer->release();
+            buffer = NULL;
+
+            continue;
+        }
+
+        if (mCodecSpecificData == NULL && is_mpeg4) {
+            const uint8_t *data =
+                (const uint8_t *)buffer->data() + buffer->range_offset();
+
+            const size_t size = buffer->range_length();
+
+            size_t offset = 0;
+            while (offset + 3 < size) {
+                if (data[offset] == 0x00 && data[offset + 1] == 0x00
+                    && data[offset + 2] == 0x01 && data[offset + 3] == 0xb6) {
+                    break;
+                }
+
+                ++offset;
+            }
+
+            assert(offset + 3 < size);
+
+            mCodecSpecificDataSize = offset;
+            mCodecSpecificData = malloc(offset);
+            memcpy(mCodecSpecificData, data, offset);
+
+            buffer->set_range(buffer->range_offset() + offset, size - offset);
+        }
+
+        off_t offset = mOwner->addSample(buffer);
+
+        SampleInfo info;
+        info.size = buffer->range_length();
+        info.offset = offset;
+
+        int32_t units, scale;
+        bool success =
+            buffer->meta_data()->findInt32(kKeyTimeUnits, &units);
+        assert(success);
+        success =
+            buffer->meta_data()->findInt32(kKeyTimeScale, &scale);
+        assert(success);
+
+        info.timestamp = (int64_t)units * 1000 / scale;
+
+        mSampleInfos.push_back(info);
+
+        buffer->release();
+        buffer = NULL;
+    }
+}
+
+int64_t MPEG4Writer::Track::getDuration() const {
+    return 10000;  // XXX
+}
+
+void MPEG4Writer::Track::writeTrackHeader(int32_t trackID) {
+    const char *mime;
+    bool success = mMeta->findCString(kKeyMIMEType, &mime);
+    assert(success);
+
+    bool is_audio = !strncasecmp(mime, "audio/", 6);
+
+    time_t now = time(NULL);
+
+    mOwner->beginBox("trak");
+
+      mOwner->beginBox("tkhd");
+        mOwner->writeInt32(0);             // version=0, flags=0
+        mOwner->writeInt32(now);           // creation time
+        mOwner->writeInt32(now);           // modification time
+        mOwner->writeInt32(trackID);
+        mOwner->writeInt32(0);             // reserved
+        mOwner->writeInt32(getDuration());
+        mOwner->writeInt32(0);             // reserved
+        mOwner->writeInt32(0);             // reserved
+        mOwner->writeInt16(0);             // layer
+        mOwner->writeInt16(0);             // alternate group
+        mOwner->writeInt16(is_audio ? 0x100 : 0);  // volume
+        mOwner->writeInt16(0);             // reserved
+
+        mOwner->writeInt32(0x10000);       // matrix
+        mOwner->writeInt32(0);
+        mOwner->writeInt32(0);
+        mOwner->writeInt32(0);
+        mOwner->writeInt32(0x10000);
+        mOwner->writeInt32(0);
+        mOwner->writeInt32(0);
+        mOwner->writeInt32(0);
+        mOwner->writeInt32(0x40000000);
+
+        if (is_audio) {
+            mOwner->writeInt32(0);
+            mOwner->writeInt32(0);
+        } else {
+            int32_t width, height;
+            bool success = mMeta->findInt32(kKeyWidth, &width);
+            success = success && mMeta->findInt32(kKeyHeight, &height);
+            assert(success);
+
+            mOwner->writeInt32(width);
+            mOwner->writeInt32(height);
+        }
+      mOwner->endBox();  // tkhd
+
+      mOwner->beginBox("mdia");
+
+        mOwner->beginBox("mdhd");
+          mOwner->writeInt32(0);             // version=0, flags=0
+          mOwner->writeInt32(now);           // creation time
+          mOwner->writeInt32(now);           // modification time
+          mOwner->writeInt32(1000);          // timescale
+          mOwner->writeInt32(getDuration());
+          mOwner->writeInt16(0);             // language code XXX
+          mOwner->writeInt16(0);             // predefined
+        mOwner->endBox();
+
+        mOwner->beginBox("hdlr");
+          mOwner->writeInt32(0);             // version=0, flags=0
+          mOwner->writeInt32(0);             // predefined
+          mOwner->writeFourcc(is_audio ? "soun" : "vide");
+          mOwner->writeInt32(0);             // reserved
+          mOwner->writeInt32(0);             // reserved
+          mOwner->writeInt32(0);             // reserved
+          mOwner->writeCString("");          // name
+        mOwner->endBox();
+
+        mOwner->beginBox("minf");
+
+          mOwner->beginBox("dinf");
+            mOwner->beginBox("dref");
+              mOwner->writeInt32(0);  // version=0, flags=0
+              mOwner->writeInt32(1);
+              mOwner->beginBox("url ");
+                mOwner->writeInt32(1);  // version=0, flags=1
+              mOwner->endBox();  // url
+            mOwner->endBox();  // dref
+          mOwner->endBox();  // dinf
+
+          if (is_audio) {
+              mOwner->beginBox("smhd");
+              mOwner->writeInt32(0);           // version=0, flags=0
+              mOwner->writeInt16(0);           // balance
+              mOwner->writeInt16(0);           // reserved
+              mOwner->endBox();
+          } else {
+              mOwner->beginBox("vmhd");
+              mOwner->writeInt32(0x00000001);  // version=0, flags=1
+              mOwner->writeInt16(0);           // graphics mode
+              mOwner->writeInt16(0);           // opcolor
+              mOwner->writeInt16(0);
+              mOwner->writeInt16(0);
+              mOwner->endBox();
+          }
+        mOwner->endBox();  // minf
+
+        mOwner->beginBox("stbl");
+
+          mOwner->beginBox("stsd");
+            mOwner->writeInt32(0);               // version=0, flags=0
+            mOwner->writeInt32(1);               // entry count
+            if (is_audio) {
+                mOwner->beginBox("xxxx");          // audio format XXX
+                  mOwner->writeInt32(0);           // reserved
+                  mOwner->writeInt16(0);           // reserved
+                  mOwner->writeInt16(0);           // data ref index
+                  mOwner->writeInt32(0);           // reserved
+                  mOwner->writeInt32(0);           // reserved
+                  mOwner->writeInt16(2);           // channel count
+                  mOwner->writeInt16(16);          // sample size
+                  mOwner->writeInt16(0);           // predefined
+                  mOwner->writeInt16(0);           // reserved
+
+                  int32_t samplerate;
+                  bool success = mMeta->findInt32(kKeySampleRate, &samplerate);
+                  assert(success);
+
+                  mOwner->writeInt32(samplerate << 16);
+                mOwner->endBox();
+            } else {
+                if (!strcasecmp("video/mp4v-es", mime)) {
+                    mOwner->beginBox("mp4v");
+                } else if (!strcasecmp("video/3gpp", mime)) {
+                    mOwner->beginBox("s263");
+                } else {
+                    assert(!"should not be here, unknown mime type.");
+                }
+
+                  mOwner->writeInt32(0);           // reserved
+                  mOwner->writeInt16(0);           // reserved
+                  mOwner->writeInt16(0);           // data ref index
+                  mOwner->writeInt16(0);           // predefined
+                  mOwner->writeInt16(0);           // reserved
+                  mOwner->writeInt32(0);           // predefined
+                  mOwner->writeInt32(0);           // predefined
+                  mOwner->writeInt32(0);           // predefined
+
+                  int32_t width, height;
+                  bool success = mMeta->findInt32(kKeyWidth, &width);
+                  success = success && mMeta->findInt32(kKeyHeight, &height);
+                  assert(success);
+
+                  mOwner->writeInt16(width);
+                  mOwner->writeInt16(height);
+                  mOwner->writeInt32(0x480000);    // horiz resolution
+                  mOwner->writeInt32(0x480000);    // vert resolution
+                  mOwner->writeInt32(0);           // reserved
+                  mOwner->writeInt16(1);           // frame count
+                  mOwner->write("                                ", 32);
+                  mOwner->writeInt16(0x18);        // depth
+                  mOwner->writeInt16(-1);          // predefined
+
+                  assert(23 + mCodecSpecificDataSize < 128);
+
+                  if (!strcasecmp("video/mp4v-es", mime)) {
+                      mOwner->beginBox("esds");
+
+                        mOwner->writeInt32(0);           // version=0, flags=0
+
+                        mOwner->writeInt8(0x03);  // ES_DescrTag
+                        mOwner->writeInt8(23 + mCodecSpecificDataSize);
+                        mOwner->writeInt16(0x0000);  // ES_ID
+                        mOwner->writeInt8(0x1f);
+
+                        mOwner->writeInt8(0x04);  // DecoderConfigDescrTag
+                        mOwner->writeInt8(15 + mCodecSpecificDataSize);
+                        mOwner->writeInt8(0x20);  // objectTypeIndication ISO/IEC 14492-2
+                        mOwner->writeInt8(0x11);  // streamType VisualStream
+
+                        static const uint8_t kData[] = {
+                            0x01, 0x77, 0x00,
+                            0x00, 0x03, 0xe8, 0x00,
+                            0x00, 0x03, 0xe8, 0x00
+                        };
+                        mOwner->write(kData, sizeof(kData));
+                        
+                        mOwner->writeInt8(0x05);  // DecoderSpecificInfoTag
+
+                        mOwner->writeInt8(mCodecSpecificDataSize);
+                        mOwner->write(mCodecSpecificData, mCodecSpecificDataSize);
+
+                        static const uint8_t kData2[] = {
+                            0x06,  // SLConfigDescriptorTag
+                            0x01,
+                            0x02
+                        };
+                        mOwner->write(kData2, sizeof(kData2));
+
+                      mOwner->endBox();  // esds
+                  } else if (!strcasecmp("video/3gpp", mime)) {
+                      mOwner->beginBox("d263");
+
+                          mOwner->writeInt32(0);  // vendor
+                          mOwner->writeInt8(0);   // decoder version
+                          mOwner->writeInt8(10);  // level: 10
+                          mOwner->writeInt8(0);   // profile: 0
+
+                      mOwner->endBox();  // d263
+                  }
+                mOwner->endBox();  // mp4v or s263
+            }
+          mOwner->endBox();  // stsd
+
+          mOwner->beginBox("stts");
+            mOwner->writeInt32(0);  // version=0, flags=0
+            mOwner->writeInt32(mSampleInfos.size() - 1);
+
+            List<SampleInfo>::iterator it = mSampleInfos.begin();
+            int64_t last = (*it).timestamp;
+            ++it;
+            while (it != mSampleInfos.end()) {
+                mOwner->writeInt32(1);
+                mOwner->writeInt32((*it).timestamp - last);
+
+                last = (*it).timestamp;
+
+                ++it;
+            }
+          mOwner->endBox();  // stts
+
+          mOwner->beginBox("stsz");
+            mOwner->writeInt32(0);  // version=0, flags=0
+            mOwner->writeInt32(0);  // default sample size
+            mOwner->writeInt32(mSampleInfos.size());
+            for (List<SampleInfo>::iterator it = mSampleInfos.begin();
+                 it != mSampleInfos.end(); ++it) {
+                mOwner->writeInt32((*it).size);
+            }
+          mOwner->endBox();  // stsz
+
+          mOwner->beginBox("stsc");
+            mOwner->writeInt32(0);  // version=0, flags=0
+            mOwner->writeInt32(mSampleInfos.size());
+            int32_t n = 1;
+            for (List<SampleInfo>::iterator it = mSampleInfos.begin();
+                 it != mSampleInfos.end(); ++it, ++n) {
+                mOwner->writeInt32(n);
+                mOwner->writeInt32(1);
+                mOwner->writeInt32(1);
+            }
+          mOwner->endBox();  // stsc
+
+          mOwner->beginBox("co64");
+            mOwner->writeInt32(0);  // version=0, flags=0
+            mOwner->writeInt32(mSampleInfos.size());
+            for (List<SampleInfo>::iterator it = mSampleInfos.begin();
+                 it != mSampleInfos.end(); ++it, ++n) {
+                mOwner->writeInt64((*it).offset);
+            }
+          mOwner->endBox();  // co64
+
+        mOwner->endBox();  // stbl
+      mOwner->endBox();  // mdia
+    mOwner->endBox();  // trak
+}
+
+}  // namespace android

media/libstagefright/MediaBuffer.cpp

@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "MediaBuffer"
+#include <utils/Log.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdlib.h>
+
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MetaData.h>
+
+namespace android {
+
+// XXX make this truly atomic.
+static int atomic_add(int *value, int delta) {
+    int prev_value = *value;
+    *value += delta;
+
+    return prev_value;
+}
+
+MediaBuffer::MediaBuffer(void *data, size_t size)
+    : mObserver(NULL),
+      mNextBuffer(NULL),
+      mRefCount(0),
+      mData(data),
+      mSize(size),
+      mRangeOffset(0),
+      mRangeLength(size),
+      mOwnsData(false),
+      mMetaData(new MetaData),
+      mOriginal(NULL) {
+}
+
+MediaBuffer::MediaBuffer(size_t size)
+    : mObserver(NULL),
+      mNextBuffer(NULL),
+      mRefCount(0),
+      mData(malloc(size)),
+      mSize(size),
+      mRangeOffset(0),
+      mRangeLength(size),
+      mOwnsData(true),
+      mMetaData(new MetaData),
+      mOriginal(NULL) {
+}
+
+void MediaBuffer::release() {
+    if (mObserver == NULL) {
+        assert(mRefCount == 0);
+        delete this;
+        return;
+    }
+
+    int prevCount = atomic_add(&mRefCount, -1);
+    if (prevCount == 1) {
+        if (mObserver == NULL) {
+            delete this;
+            return;
+        }
+
+        mObserver->signalBufferReturned(this);
+    }
+    assert(prevCount > 0);
+}
+
+void MediaBuffer::claim() {
+    assert(mObserver != NULL);
+    assert(mRefCount == 1);
+
+    mRefCount = 0;
+}
+
+void MediaBuffer::add_ref() {
+    atomic_add(&mRefCount, 1);
+}
+
+void *MediaBuffer::data() const {
+    return mData;
+}
+
+size_t MediaBuffer::size() const {
+    return mSize;
+}
+
+size_t MediaBuffer::range_offset() const {
+    return mRangeOffset;
+}
+
+size_t MediaBuffer::range_length() const {
+    return mRangeLength;
+}
+
+void MediaBuffer::set_range(size_t offset, size_t length) {
+    if (offset < 0 || offset + length > mSize) {
+        LOGE("offset = %d, length = %d, mSize = %d", offset, length, mSize);
+    }
+    assert(offset >= 0 && offset + length <= mSize);
+
+    mRangeOffset = offset;
+    mRangeLength = length;
+}
+
+sp<MetaData> MediaBuffer::meta_data() {
+    return mMetaData;
+}
+
+void MediaBuffer::reset() {
+    mMetaData->clear();
+    set_range(0, mSize);
+}
+
+MediaBuffer::~MediaBuffer() {
+    assert(mObserver == NULL);
+
+    if (mOwnsData && mData != NULL) {
+        free(mData);
+        mData = NULL;
+    }
+
+    if (mOriginal != NULL) {
+        mOriginal->release();
+        mOriginal = NULL;
+    }
+}
+
+void MediaBuffer::setObserver(MediaBufferObserver *observer) {
+    assert(observer == NULL || mObserver == NULL);
+    mObserver = observer;
+}
+
+void MediaBuffer::setNextBuffer(MediaBuffer *buffer) {
+    mNextBuffer = buffer;
+}
+
+MediaBuffer *MediaBuffer::nextBuffer() {
+    return mNextBuffer;
+}
+
+int MediaBuffer::refcount() const {
+    return mRefCount;
+}
+
+MediaBuffer *MediaBuffer::clone() {
+    MediaBuffer *buffer = new MediaBuffer(mData, mSize);
+    buffer->set_range(mRangeOffset, mRangeLength);
+    buffer->mMetaData = new MetaData(*mMetaData.get());
+
+    add_ref();
+    buffer->mOriginal = this;
+
+    return buffer;
+}
+
+}  // namespace android
+

media/libstagefright/MediaBufferGroup.cpp

@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "MediaBufferGroup"
+#include <utils/Log.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MediaBufferGroup.h>
+
+namespace android {
+
+MediaBufferGroup::MediaBufferGroup()
+    : mFirstBuffer(NULL),
+      mLastBuffer(NULL) {
+}
+
+MediaBufferGroup::~MediaBufferGroup() {
+    MediaBuffer *next;
+    for (MediaBuffer *buffer = mFirstBuffer; buffer != NULL;
+         buffer = next) {
+        next = buffer->nextBuffer();
+
+        assert(buffer->refcount() == 0);
+
+        buffer->setObserver(NULL);
+        buffer->release();
+    }
+}
+
+void MediaBufferGroup::add_buffer(MediaBuffer *buffer) {
+    Mutex::Autolock autoLock(mLock);
+
+    buffer->setObserver(this);
+
+    if (mLastBuffer) {
+        mLastBuffer->setNextBuffer(buffer);
+    } else {
+        mFirstBuffer = buffer;
+    }
+
+    mLastBuffer = buffer;
+}
+
+status_t MediaBufferGroup::acquire_buffer(MediaBuffer **out) {
+    Mutex::Autolock autoLock(mLock);
+
+    for (;;) {
+        for (MediaBuffer *buffer = mFirstBuffer;
+             buffer != NULL; buffer = buffer->nextBuffer()) {
+            if (buffer->refcount() == 0) {
+                buffer->add_ref();
+                buffer->reset();
+
+                *out = buffer;
+                goto exit;
+            }
+        }
+
+        // All buffers are in use. Block until one of them is returned to us.
+        mCondition.wait(mLock);
+    }
+
+exit:
+    return OK;
+}
+
+void MediaBufferGroup::signalBufferReturned(MediaBuffer *) {
+    Mutex::Autolock autoLock(mLock);
+    mCondition.signal();
+}
+
+}  // namespace android

media/libstagefright/MediaExtractor.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MediaExtractor"
+#include <utils/Log.h>
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/MP3Extractor.h>
+#include <media/stagefright/MPEG4Extractor.h>
+#include <media/stagefright/MediaExtractor.h>
+#include <utils/String8.h>
+
+namespace android {
+
+// static
+MediaExtractor *MediaExtractor::Create(DataSource *source, const char *mime) {
+    String8 tmp;
+    if (mime == NULL) {
+        float confidence;
+        if (!source->sniff(&tmp, &confidence)) {
+            LOGE("FAILED to autodetect media content.");
+
+            return NULL;
+        }
+
+        mime = tmp.string();
+        LOGI("Autodetected media content as '%s' with confidence %.2f",
+             mime, confidence);
+    }
+
+    if (!strcasecmp(mime, "video/mp4") || !strcasecmp(mime, "audio/mp4")) {
+        return new MPEG4Extractor(source);
+    } else if (!strcasecmp(mime, "audio/mpeg")) {
+        return new MP3Extractor(source);
+    }
+
+    return NULL;
+}
+
+}  // namespace android

media/libstagefright/MediaPlayerImpl.cpp

@@ -0,0 +1,693 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MediaPlayerImpl"
+#include "utils/Log.h"
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <OMX_Component.h>
+
+#include <unistd.h>
+
+#include <media/stagefright/AudioPlayer.h>
+#include <media/stagefright/CachingDataSource.h>
+// #include <media/stagefright/CameraSource.h>
+#include <media/stagefright/HTTPDataSource.h>
+#include <media/stagefright/HTTPStream.h>
+#include <media/stagefright/MediaExtractor.h>
+#include <media/stagefright/MediaPlayerImpl.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/MmapSource.h>
+#include <media/stagefright/OMXDecoder.h>
+#include <media/stagefright/QComHardwareRenderer.h>
+#include <media/stagefright/ShoutcastSource.h>
+#include <media/stagefright/SoftwareRenderer.h>
+#include <media/stagefright/SurfaceRenderer.h>
+#include <media/stagefright/TimeSource.h>
+#include <ui/PixelFormat.h>
+#include <ui/Surface.h>
+
+namespace android {
+
+MediaPlayerImpl::MediaPlayerImpl(const char *uri)
+    : mInitCheck(NO_INIT),
+      mExtractor(NULL), 
+      mTimeSource(NULL),
+      mAudioSource(NULL),
+      mAudioDecoder(NULL),
+      mAudioPlayer(NULL),
+      mVideoSource(NULL),
+      mVideoDecoder(NULL),
+      mVideoWidth(0),
+      mVideoHeight(0),
+      mVideoPosition(0),
+      mDuration(0),
+      mPlaying(false),
+      mPaused(false),
+      mRenderer(NULL),
+      mSeeking(false),
+      mFrameSize(0),
+      mUseSoftwareColorConversion(false) {
+    LOGI("MediaPlayerImpl(%s)", uri);
+    DataSource::RegisterDefaultSniffers();
+
+    status_t err = mClient.connect();
+    if (err != OK) {
+        LOGE("Failed to connect to OMXClient.");
+        return;
+    }
+
+    if (!strncasecmp("shoutcast://", uri, 12)) {
+        setAudioSource(makeShoutcastSource(uri));
+#if 0
+    } else if (!strncasecmp("camera:", uri, 7)) {
+        mVideoWidth = 480;
+        mVideoHeight = 320;
+        mVideoDecoder = CameraSource::Create();
+#endif
+    } else {
+        DataSource *source = NULL;
+        if (!strncasecmp("file://", uri, 7)) {
+            source = new MmapSource(uri + 7);
+        } else if (!strncasecmp("http://", uri, 7)) {
+            source = new HTTPDataSource(uri);
+            source = new CachingDataSource(source, 64 * 1024, 10);
+        } else {
+            // Assume it's a filename.
+            source = new MmapSource(uri);
+        }
+
+        mExtractor = MediaExtractor::Create(source);
+
+        if (mExtractor == NULL) {
+            return;
+        }
+    }
+
+    init();
+
+    mInitCheck = OK;
+}
+
+MediaPlayerImpl::MediaPlayerImpl(int fd, int64_t offset, int64_t length)
+    : mInitCheck(NO_INIT),
+      mExtractor(NULL), 
+      mTimeSource(NULL),
+      mAudioSource(NULL),
+      mAudioDecoder(NULL),
+      mAudioPlayer(NULL),
+      mVideoSource(NULL),
+      mVideoDecoder(NULL),
+      mVideoWidth(0),
+      mVideoHeight(0),
+      mVideoPosition(0),
+      mDuration(0),
+      mPlaying(false),
+      mPaused(false),
+      mRenderer(NULL),
+      mSeeking(false),
+      mFrameSize(0),
+      mUseSoftwareColorConversion(false) {
+    LOGI("MediaPlayerImpl(%d, %lld, %lld)", fd, offset, length);
+    DataSource::RegisterDefaultSniffers();
+
+    status_t err = mClient.connect();
+    if (err != OK) {
+        LOGE("Failed to connect to OMXClient.");
+        return;
+    }
+
+    mExtractor = MediaExtractor::Create(
+            new MmapSource(fd, offset, length));
+
+    if (mExtractor == NULL) {
+        return;
+    }
+
+    init();
+
+    mInitCheck = OK;
+}
+
+status_t MediaPlayerImpl::initCheck() const {
+    return mInitCheck;
+}
+
+MediaPlayerImpl::~MediaPlayerImpl() {
+    stop();
+    setSurface(NULL);
+
+    LOGV("Shutting down audio.");
+    delete mAudioDecoder;
+    mAudioDecoder = NULL;
+
+    delete mAudioSource;
+    mAudioSource = NULL;
+
+    LOGV("Shutting down video.");
+    delete mVideoDecoder;
+    mVideoDecoder = NULL;
+
+    delete mVideoSource;
+    mVideoSource = NULL;
+
+    delete mExtractor;
+    mExtractor = NULL;
+
+    if (mInitCheck == OK) {
+        mClient.disconnect();
+    }
+
+    LOGV("~MediaPlayerImpl done.");
+}
+
+void MediaPlayerImpl::play() {
+    LOGI("play");
+
+    if (mPlaying) {
+        if (mPaused) {
+            if (mAudioSource != NULL) {
+                mAudioPlayer->resume();
+            }
+            mPaused = false;
+        }
+        return;
+    }
+
+    mPlaying = true;
+
+    if (mAudioSource != NULL) {
+        mAudioPlayer = new AudioPlayer(mAudioSink);
+        mAudioPlayer->setSource(mAudioDecoder);
+        mAudioPlayer->start();
+        mTimeSource = mAudioPlayer;
+    } else {
+        mTimeSource = new SystemTimeSource;
+    }
+
+    if (mVideoDecoder != NULL) {
+        pthread_attr_t attr;
+        pthread_attr_init(&attr);
+        pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+        pthread_create(&mVideoThread, &attr, VideoWrapper, this);
+
+        pthread_attr_destroy(&attr);
+    }
+}
+
+void MediaPlayerImpl::pause() {
+    if (!mPlaying || mPaused) {
+        return;
+    }
+
+    if (mAudioSource != NULL) {
+        mAudioPlayer->pause();
+    }
+
+    mPaused = true;
+}
+
+void MediaPlayerImpl::stop() {
+    if (!mPlaying) {
+        return;
+    }
+
+    mPlaying = false;
+
+    if (mVideoDecoder != NULL) {
+        void *dummy;
+        pthread_join(mVideoThread, &dummy);
+    }
+
+    if (mAudioSource != NULL) {
+        mAudioPlayer->stop();
+
+        delete mAudioPlayer;
+        mAudioPlayer = NULL;
+    } else {
+        delete mTimeSource;
+    }
+
+    mTimeSource = NULL;
+}
+
+// static
+void *MediaPlayerImpl::VideoWrapper(void *me) {
+    ((MediaPlayerImpl *)me)->videoEntry();
+
+    return NULL;
+}
+
+void MediaPlayerImpl::videoEntry() {
+    bool firstFrame = true;
+    bool eof = false;
+
+    status_t err = mVideoDecoder->start();
+    assert(err == OK);
+
+    while (mPlaying) {
+        MediaBuffer *buffer;
+
+        MediaSource::ReadOptions options;
+        bool seeking = false;
+
+        {
+            Mutex::Autolock autoLock(mLock);
+            if (mSeeking) {
+                LOGI("seek-options to %lld", mSeekTimeUs);
+                options.setSeekTo(mSeekTimeUs);
+
+                mSeeking = false;
+                seeking = true;
+                eof = false;
+            }
+        }
+
+        if (eof || mPaused) {
+            usleep(100000);
+            continue;
+        }
+
+        status_t err = mVideoDecoder->read(&buffer, &options);
+        assert((err == OK && buffer != NULL) || (err != OK && buffer == NULL));
+
+        if (err == ERROR_END_OF_STREAM || err != OK) {
+            eof = true;
+            continue;
+        }
+
+        if (buffer->range_length() == 0) {
+            // The final buffer is empty.
+            buffer->release();
+            continue;
+        }
+
+        int32_t units, scale;
+        bool success =
+            buffer->meta_data()->findInt32(kKeyTimeUnits, &units);
+        assert(success);
+        success =
+            buffer->meta_data()->findInt32(kKeyTimeScale, &scale);
+        assert(success);
+
+        int64_t pts_us = (int64_t)units * 1000000 / scale;
+        {
+            Mutex::Autolock autoLock(mLock);
+            mVideoPosition = pts_us;
+        }
+
+        if (seeking && mAudioPlayer != NULL) {
+            // Now that we know where exactly video seeked (taking sync-samples
+            // into account), we will seek the audio track to the same time.
+            mAudioPlayer->seekTo(pts_us);
+        }
+
+        if (firstFrame || seeking) {
+            mTimeSourceDeltaUs = mTimeSource->getRealTimeUs() - pts_us;
+            firstFrame = false;
+        }
+
+        displayOrDiscardFrame(buffer, pts_us);
+    }
+
+    mVideoDecoder->stop();
+}
+
+void MediaPlayerImpl::displayOrDiscardFrame(
+        MediaBuffer *buffer, int64_t pts_us) {
+    for (;;) {
+        if (!mPlaying || mPaused) {
+            buffer->release();
+            buffer = NULL;
+
+            return;
+        }
+
+        int64_t realtime_us, mediatime_us;
+        if (mAudioPlayer != NULL
+            && mAudioPlayer->getMediaTimeMapping(&realtime_us, &mediatime_us)) {
+            mTimeSourceDeltaUs = realtime_us - mediatime_us;
+        }
+
+        int64_t now_us = mTimeSource->getRealTimeUs();
+        now_us -= mTimeSourceDeltaUs;
+
+        int64_t delay_us = pts_us - now_us;
+
+        if (delay_us < -15000) {
+            // We're late.
+
+            LOGI("we're late by %lld ms, dropping a frame\n",
+                 -delay_us / 1000);
+
+            buffer->release();
+            buffer = NULL;
+            return;
+        } else if (delay_us > 100000) {
+            LOGI("we're much too early (by %lld ms)\n",
+                 delay_us / 1000);
+            usleep(100000);
+            continue;
+        } else if (delay_us > 0) {
+            usleep(delay_us);
+        }
+
+        break;
+    }
+
+    {
+        Mutex::Autolock autoLock(mLock);
+        if (mRenderer != NULL) {
+            sendFrameToISurface(buffer);
+        }
+    }
+
+    buffer->release();
+    buffer = NULL;
+}
+
+void MediaPlayerImpl::init() {
+    if (mExtractor != NULL) {
+        int num_tracks;
+        assert(mExtractor->countTracks(&num_tracks) == OK);
+
+        mDuration = 0;
+
+        for (int i = 0; i < num_tracks; ++i) {
+            const sp<MetaData> meta = mExtractor->getTrackMetaData(i);
+            assert(meta != NULL);
+
+            const char *mime;
+            if (!meta->findCString(kKeyMIMEType, &mime)) {
+                continue;
+            }
+
+            bool is_audio = false;
+            bool is_acceptable = false;
+            if (!strncasecmp(mime, "audio/", 6)) {
+                is_audio = true;
+                is_acceptable = (mAudioSource == NULL);
+            } else if (!strncasecmp(mime, "video/", 6)) {
+                is_acceptable = (mVideoSource == NULL);
+            }
+
+            if (!is_acceptable) {
+                continue;
+            }
+
+            MediaSource *source;
+            if (mExtractor->getTrack(i, &source) != OK) {
+                continue;
+            }
+
+            int32_t units, scale;
+            if (meta->findInt32(kKeyDuration, &units)
+                && meta->findInt32(kKeyTimeScale, &scale)) {
+                int64_t duration_us = (int64_t)units * 1000000 / scale;
+                if (duration_us > mDuration) {
+                    mDuration = duration_us;
+                }
+            }
+
+            if (is_audio) {
+                setAudioSource(source);
+            } else {
+                setVideoSource(source);
+            }
+        }
+    }
+}
+
+void MediaPlayerImpl::setAudioSource(MediaSource *source) {
+    mAudioSource = source;
+
+    sp<MetaData> meta = source->getFormat();
+
+    mAudioDecoder = OMXDecoder::Create(&mClient, meta);
+    mAudioDecoder->setSource(source);
+}
+
+void MediaPlayerImpl::setVideoSource(MediaSource *source) {
+    LOGI("setVideoSource");
+    mVideoSource = source;
+
+    sp<MetaData> meta = source->getFormat();
+
+    bool success = meta->findInt32(kKeyWidth, &mVideoWidth);
+    assert(success);
+
+    success = meta->findInt32(kKeyHeight, &mVideoHeight);
+    assert(success);
+
+    mVideoDecoder = OMXDecoder::Create(&mClient, meta);
+    ((OMXDecoder *)mVideoDecoder)->setSource(source);
+
+    if (mISurface.get() != NULL || mSurface.get() != NULL) {
+        depopulateISurface();
+        populateISurface();
+    }
+}
+
+void MediaPlayerImpl::setSurface(const sp<Surface> &surface) {
+    LOGI("setSurface %p", surface.get());
+    Mutex::Autolock autoLock(mLock);
+
+    depopulateISurface();
+
+    mSurface = surface;
+    mISurface = NULL;
+
+    if (mSurface.get() != NULL) {
+        populateISurface();
+    }
+}
+
+void MediaPlayerImpl::setISurface(const sp<ISurface> &isurface) {
+    LOGI("setISurface %p", isurface.get());
+    Mutex::Autolock autoLock(mLock);
+
+    depopulateISurface();
+
+    mSurface = NULL;
+    mISurface = isurface;
+
+    if (mISurface.get() != NULL) {
+        populateISurface();
+    }
+}
+
+MediaSource *MediaPlayerImpl::makeShoutcastSource(const char *uri) {
+    if (strncasecmp(uri, "shoutcast://", 12)) {
+        return NULL;
+    }
+
+    string host;
+    string path;
+    int port;
+
+    char *slash = strchr(uri + 12, '/');
+    if (slash == NULL) {
+        host = uri + 12;
+        path = "/";
+    } else {
+        host = string(uri + 12, slash - (uri + 12));
+        path = slash;
+    }
+
+    char *colon = strchr(host.c_str(), ':');
+    if (colon == NULL) {
+        port = 80;
+    } else {
+        char *end;
+        long tmp = strtol(colon + 1, &end, 10);
+        assert(end > colon + 1);
+        assert(tmp > 0 && tmp < 65536);
+        port = tmp;
+
+        host = string(host, 0, colon - host.c_str());
+    }
+
+    LOGI("Connecting to host '%s', port %d, path '%s'",
+         host.c_str(), port, path.c_str());
+
+    HTTPStream *http = new HTTPStream;
+    int http_status;
+
+    for (;;) {
+        status_t err = http->connect(host.c_str(), port);
+        assert(err == OK);
+
+        err = http->send("GET ");
+        err = http->send(path.c_str());
+        err = http->send(" HTTP/1.1\r\n");
+        err = http->send("Host: ");
+        err = http->send(host.c_str());
+        err = http->send("\r\n");
+        err = http->send("Icy-MetaData: 1\r\n\r\n");
+
+        assert(OK == http->receive_header(&http_status));
+
+        if (http_status == 301 || http_status == 302) {
+            string location;
+            assert(http->find_header_value("Location", &location));
+
+            assert(string(location, 0, 7) == "http://");
+            location.erase(0, 7);
+            string::size_type slashPos = location.find('/');
+            if (slashPos == string::npos) {
+                slashPos = location.size();
+                location += '/';
+            }
+
+            http->disconnect();
+
+            LOGI("Redirecting to %s\n", location.c_str());
+
+            host = string(location, 0, slashPos);
+
+            string::size_type colonPos = host.find(':');
+            if (colonPos != string::npos) {
+                const char *start = host.c_str() + colonPos + 1;
+                char *end;
+                long tmp = strtol(start, &end, 10);
+                assert(end > start && *end == '\0');
+
+                port = (tmp >= 0 && tmp < 65536) ? (int)tmp : 80;
+            } else {
+                port = 80;
+            }
+
+            path = string(location, slashPos);
+
+            continue;
+        }
+
+        break;
+    }
+
+    if (http_status != 200) {
+        LOGE("Connection failed: http_status = %d", http_status);
+        return NULL;
+    }
+
+    MediaSource *source = new ShoutcastSource(http);
+
+    return source;
+}
+
+bool MediaPlayerImpl::isPlaying() const {
+    return mPlaying && !mPaused;
+}
+
+int64_t MediaPlayerImpl::getDuration() {
+    return mDuration;
+}
+
+int64_t MediaPlayerImpl::getPosition() {
+    int64_t position = 0;
+    if (mVideoSource != NULL) {
+        Mutex::Autolock autoLock(mLock);
+        position = mVideoPosition;
+    } else if (mAudioPlayer != NULL) {
+        position = mAudioPlayer->getMediaTimeUs();
+    }
+
+    return position;
+}
+
+status_t MediaPlayerImpl::seekTo(int64_t time) {
+    LOGI("seekTo %lld", time);
+
+    if (mPaused) {
+        return UNKNOWN_ERROR;
+    }
+
+    if (mVideoSource == NULL && mAudioPlayer != NULL) {
+        mAudioPlayer->seekTo(time);
+    } else {
+        Mutex::Autolock autoLock(mLock);
+        mSeekTimeUs = time;
+        mSeeking = true;
+    }
+
+    return OK;
+}
+
+void MediaPlayerImpl::populateISurface() {
+    if (mVideoSource == NULL) {
+        return;
+    }
+
+    sp<MetaData> meta = mVideoDecoder->getFormat();
+
+    int32_t format;
+    const char *component;
+    int32_t decodedWidth, decodedHeight;
+    bool success = meta->findInt32(kKeyColorFormat, &format);
+    success = success && meta->findCString(kKeyDecoderComponent, &component);
+    success = success && meta->findInt32(kKeyWidth, &decodedWidth);
+    success = success && meta->findInt32(kKeyHeight, &decodedHeight);
+    assert(success);
+
+    if (mSurface.get() != NULL) {
+        mRenderer =
+            new SurfaceRenderer(
+                    mSurface, mVideoWidth, mVideoHeight,
+                    decodedWidth, decodedHeight);
+    } else if (format == OMX_COLOR_FormatYUV420Planar
+        && !strncasecmp(component, "OMX.qcom.video.decoder.", 23)) {
+        mRenderer =
+            new QComHardwareRenderer(
+                    mISurface, mVideoWidth, mVideoHeight,
+                    decodedWidth, decodedHeight);
+    } else {
+        LOGW("Using software renderer.");
+        mRenderer = new SoftwareRenderer(
+                mISurface, mVideoWidth, mVideoHeight,
+                decodedWidth, decodedHeight);
+    }
+}
+
+void MediaPlayerImpl::depopulateISurface() {
+    delete mRenderer;
+    mRenderer = NULL;
+}
+
+void MediaPlayerImpl::sendFrameToISurface(MediaBuffer *buffer) {
+    void *platformPrivate;
+    if (!buffer->meta_data()->findPointer(
+                kKeyPlatformPrivate, &platformPrivate)) {
+        platformPrivate = NULL;
+    }
+
+    mRenderer->render(
+        (const uint8_t *)buffer->data() + buffer->range_offset(),
+        buffer->range_length(),
+        platformPrivate);
+}
+
+void MediaPlayerImpl::setAudioSink(
+        const sp<MediaPlayerBase::AudioSink> &audioSink) {
+    LOGI("setAudioSink %p", audioSink.get());
+    mAudioSink = audioSink;
+}
+
+}  // namespace android
+

media/libstagefright/MediaSource.cpp

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <media/stagefright/MediaSource.h>
+
+namespace android {
+
+MediaSource::MediaSource() {}
+
+MediaSource::~MediaSource() {}
+
+////////////////////////////////////////////////////////////////////////////////
+
+MediaSource::ReadOptions::ReadOptions() {
+    reset();
+}
+
+void MediaSource::ReadOptions::reset() {
+    mOptions = 0;
+    mSeekTimeUs = 0;
+    mLatenessUs = 0;
+}
+
+void MediaSource::ReadOptions::setSeekTo(int64_t time_us) {
+    mOptions |= kSeekTo_Option;
+    mSeekTimeUs = time_us;
+}
+
+void MediaSource::ReadOptions::clearSeekTo() {
+    mOptions &= ~kSeekTo_Option;
+    mSeekTimeUs = 0;
+}
+
+bool MediaSource::ReadOptions::getSeekTo(int64_t *time_us) const {
+    *time_us = mSeekTimeUs;
+    return (mOptions & kSeekTo_Option) != 0;
+}
+
+void MediaSource::ReadOptions::setLateBy(int64_t lateness_us) {
+    mLatenessUs = lateness_us;
+}
+
+int64_t MediaSource::ReadOptions::getLateBy() const {
+    return mLatenessUs;
+}
+
+}  // namespace android

media/libstagefright/MetaData.cpp

@@ -0,0 +1,232 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <media/stagefright/MetaData.h>
+
+namespace android {
+
+MetaData::MetaData() {
+}
+
+MetaData::MetaData(const MetaData &from)
+    : RefBase(),
+      mItems(from.mItems) {
+}
+
+MetaData::~MetaData() {
+    clear();
+}
+
+void MetaData::clear() {
+    mItems.clear();
+}
+
+bool MetaData::remove(uint32_t key) {
+    ssize_t i = mItems.indexOfKey(key);
+
+    if (i < 0) {
+        return false;
+    }
+
+    mItems.removeItemsAt(i);
+
+    return true;
+}
+
+bool MetaData::setCString(uint32_t key, const char *value) {
+    return setData(key, TYPE_C_STRING, value, strlen(value) + 1);
+}
+
+bool MetaData::setInt32(uint32_t key, int32_t value) {
+    return setData(key, TYPE_INT32, &value, sizeof(value));
+}
+
+bool MetaData::setFloat(uint32_t key, float value) {
+    return setData(key, TYPE_FLOAT, &value, sizeof(value));
+}
+
+bool MetaData::setPointer(uint32_t key, void *value) {
+    return setData(key, TYPE_POINTER, &value, sizeof(value));
+}
+
+bool MetaData::findCString(uint32_t key, const char **value) {
+    uint32_t type;
+    const void *data;
+    size_t size;
+    if (!findData(key, &type, &data, &size) || type != TYPE_C_STRING) {
+        return false;
+    }
+
+    *value = (const char *)data;
+
+    return true;
+}
+
+bool MetaData::findInt32(uint32_t key, int32_t *value) {
+    uint32_t type;
+    const void *data;
+    size_t size;
+    if (!findData(key, &type, &data, &size) || type != TYPE_INT32) {
+        return false;
+    }
+
+    assert(size == sizeof(*value));
+
+    *value = *(int32_t *)data;
+
+    return true;
+}
+
+bool MetaData::findFloat(uint32_t key, float *value) {
+    uint32_t type;
+    const void *data;
+    size_t size;
+    if (!findData(key, &type, &data, &size) || type != TYPE_FLOAT) {
+        return false;
+    }
+
+    assert(size == sizeof(*value));
+
+    *value = *(float *)data;
+
+    return true;
+}
+
+bool MetaData::findPointer(uint32_t key, void **value) {
+    uint32_t type;
+    const void *data;
+    size_t size;
+    if (!findData(key, &type, &data, &size) || type != TYPE_POINTER) {
+        return false;
+    }
+
+    assert(size == sizeof(*value));
+
+    *value = *(void **)data;
+
+    return true;
+}
+
+bool MetaData::setData(
+        uint32_t key, uint32_t type, const void *data, size_t size) {
+    bool overwrote_existing = true;
+
+    ssize_t i = mItems.indexOfKey(key);
+    if (i < 0) {
+        typed_data item;
+        i = mItems.add(key, item);
+
+        overwrote_existing = false;
+    }
+
+    typed_data &item = mItems.editValueAt(i);
+
+    item.setData(type, data, size);
+
+    return overwrote_existing;
+}
+
+bool MetaData::findData(uint32_t key, uint32_t *type,
+                        const void **data, size_t *size) const {
+    ssize_t i = mItems.indexOfKey(key);
+
+    if (i < 0) {
+        return false;
+    }
+
+    const typed_data &item = mItems.valueAt(i);
+
+    item.getData(type, data, size);
+
+    return true;
+}
+
+MetaData::typed_data::typed_data()
+    : mType(0),
+      mSize(0) {
+}
+
+MetaData::typed_data::~typed_data() {
+    clear();
+}
+
+MetaData::typed_data::typed_data(const typed_data &from)
+    : mType(from.mType),
+      mSize(0) {
+    allocateStorage(from.mSize);
+    memcpy(storage(), from.storage(), mSize);
+}
+
+MetaData::typed_data &MetaData::typed_data::operator=(
+        const MetaData::typed_data &from) {
+    if (this != &from) {
+        clear();
+        mType = from.mType;
+        allocateStorage(from.mSize);
+        memcpy(storage(), from.storage(), mSize);
+    }
+
+    return *this;
+}
+
+void MetaData::typed_data::clear() {
+    freeStorage();
+
+    mType = 0;
+}
+
+void MetaData::typed_data::setData(
+        uint32_t type, const void *data, size_t size) {
+    clear();
+
+    mType = type;
+    allocateStorage(size);
+    memcpy(storage(), data, size);
+}
+
+void MetaData::typed_data::getData(
+        uint32_t *type, const void **data, size_t *size) const {
+    *type = mType;
+    *size = mSize;
+    *data = storage();
+}
+
+void MetaData::typed_data::allocateStorage(size_t size) {
+    mSize = size;
+
+    if (usesReservoir()) {
+        return;
+    }
+
+    u.ext_data = malloc(mSize);
+}
+
+void MetaData::typed_data::freeStorage() {
+    if (!usesReservoir()) {
+        if (u.ext_data) {
+            free(u.ext_data);
+        }
+    }
+
+    mSize = 0;
+}
+
+}  // namespace android
+

media/libstagefright/MmapSource.cpp

@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MmapSource"
+#include <utils/Log.h>
+
+#include <sys/mman.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <media/stagefright/MmapSource.h>
+
+namespace android {
+
+MmapSource::MmapSource(const char *filename)
+    : mFd(open(filename, O_RDONLY)),
+      mBase(NULL),
+      mSize(0) {
+    LOGV("MmapSource '%s'", filename);
+    assert(mFd >= 0);
+
+    off_t size = lseek(mFd, 0, SEEK_END);
+    mSize = (size_t)size;
+
+    mBase = mmap(0, mSize, PROT_READ, MAP_FILE | MAP_SHARED, mFd, 0);
+
+    if (mBase == (void *)-1) {
+        mBase = NULL;
+
+        close(mFd);
+        mFd = -1;
+    }
+}
+
+MmapSource::MmapSource(int fd, int64_t offset, int64_t length)
+    : mFd(fd),
+      mBase(NULL),
+      mSize(length) {
+    LOGV("MmapSource fd:%d offset:%lld length:%lld", fd, offset, length);
+    assert(fd >= 0);
+
+    mBase = mmap(0, mSize, PROT_READ, MAP_FILE | MAP_SHARED, mFd, offset);
+
+    if (mBase == (void *)-1) {
+        mBase = NULL;
+
+        close(mFd);
+        mFd = -1;
+    }
+
+}
+
+MmapSource::~MmapSource() {
+    if (mFd != -1) {
+        munmap(mBase, mSize);
+        mBase = NULL;
+        mSize = 0;
+
+        close(mFd);
+        mFd = -1;
+    }
+}
+
+status_t MmapSource::InitCheck() const {
+    return mFd == -1 ? NO_INIT : OK;
+}
+
+ssize_t MmapSource::read_at(off_t offset, void *data, size_t size) {
+    LOGV("read_at offset:%ld data:%p size:%d", offset, data, size);
+    assert(offset >= 0);
+
+    size_t avail = 0;
+    if (offset >= 0 && offset < (off_t)mSize) {
+        avail = mSize - offset;
+    }
+
+    if (size > avail) {
+        size = avail;
+    }
+
+    memcpy(data, (const uint8_t *)mBase + offset, size);
+
+    return (ssize_t)size;
+}
+
+status_t MmapSource::getSize(off_t *size) {
+    *size = mSize;
+
+    return OK;
+}
+
+}  // namespace android
+

media/libstagefright/OMXClient.cpp

@@ -0,0 +1,369 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "OMXClient"
+#include <utils/Log.h>
+
+#include <sys/socket.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <binder/IServiceManager.h>
+#include <media/IMediaPlayerService.h>
+#include <media/IOMX.h>
+#include <media/stagefright/OMXClient.h>
+
+namespace android {
+
+OMXClient::OMXClient()
+    : mSock(-1) {
+}
+
+OMXClient::~OMXClient() {
+    disconnect();
+}
+
+status_t OMXClient::connect() {
+    Mutex::Autolock autoLock(mLock);
+
+    if (mSock >= 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    sp<IServiceManager> sm = defaultServiceManager();
+    sp<IBinder> binder = sm->getService(String16("media.player"));
+    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
+
+    assert(service.get() != NULL);
+
+    mOMX = service->createOMX();
+    assert(mOMX.get() != NULL);
+
+#if IOMX_USES_SOCKETS
+    status_t result = mOMX->connect(&mSock);
+    if (result != OK) {
+        mSock = -1;
+
+        mOMX = NULL;
+        return result;
+    }
+
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+    int err = pthread_create(&mThread, &attr, ThreadWrapper, this);
+    assert(err == 0);
+
+    pthread_attr_destroy(&attr);
+#else
+    mReflector = new OMXClientReflector(this);
+#endif
+
+    return OK;
+}
+
+void OMXClient::disconnect() {
+    {
+        Mutex::Autolock autoLock(mLock);
+
+        if (mSock < 0) {
+            return;
+        }
+
+        assert(mObservers.isEmpty());
+    }
+
+#if IOMX_USES_SOCKETS
+    omx_message msg;
+    msg.type = omx_message::DISCONNECT;
+    ssize_t n = send(mSock, &msg, sizeof(msg), 0);
+    assert(n > 0 && static_cast<size_t>(n) == sizeof(msg));
+
+    void *dummy;
+    pthread_join(mThread, &dummy);
+#else
+    mReflector->reset();
+    mReflector.clear();
+#endif
+}
+
+#if IOMX_USES_SOCKETS
+// static
+void *OMXClient::ThreadWrapper(void *me) {
+    ((OMXClient *)me)->threadEntry();
+
+    return NULL;
+}
+
+void OMXClient::threadEntry() {
+    bool done = false;
+    while (!done) {
+        omx_message msg;
+        ssize_t n = recv(mSock, &msg, sizeof(msg), 0);
+
+        if (n <= 0) {
+            break;
+        }
+
+        done = onOMXMessage(msg);
+    }
+
+    Mutex::Autolock autoLock(mLock);
+    close(mSock);
+    mSock = -1;
+}
+#endif
+
+status_t OMXClient::fillBuffer(IOMX::node_id node, IOMX::buffer_id buffer) {
+#if !IOMX_USES_SOCKETS
+    mOMX->fill_buffer(node, buffer);
+#else
+    if (mSock < 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    omx_message msg;
+    msg.type = omx_message::FILL_BUFFER;
+    msg.u.buffer_data.node = node;
+    msg.u.buffer_data.buffer = buffer;
+
+    ssize_t n = send(mSock, &msg, sizeof(msg), 0);
+    assert(n > 0 && static_cast<size_t>(n) == sizeof(msg));
+#endif
+
+    return OK;
+}
+
+status_t OMXClient::emptyBuffer(
+        IOMX::node_id node, IOMX::buffer_id buffer,
+        OMX_U32 range_offset, OMX_U32 range_length,
+        OMX_U32 flags, OMX_TICKS timestamp) {
+#if !IOMX_USES_SOCKETS
+    mOMX->empty_buffer(
+            node, buffer, range_offset, range_length, flags, timestamp);
+#else
+    if (mSock < 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    // XXX I don't like all this copying...
+
+    omx_message msg;
+    msg.type = omx_message::EMPTY_BUFFER;
+    msg.u.extended_buffer_data.node = node;
+    msg.u.extended_buffer_data.buffer = buffer;
+    msg.u.extended_buffer_data.range_offset = range_offset;
+    msg.u.extended_buffer_data.range_length = range_length;
+    msg.u.extended_buffer_data.flags = flags;
+    msg.u.extended_buffer_data.timestamp = timestamp;
+
+    ssize_t n = send(mSock, &msg, sizeof(msg), 0);
+    assert(n > 0 && static_cast<size_t>(n) == sizeof(msg));
+#endif
+
+    return OK;
+}
+
+status_t OMXClient::send_command(
+        IOMX::node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) {
+#if !IOMX_USES_SOCKETS
+    return mOMX->send_command(node, cmd, param);
+#else
+    if (mSock < 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    omx_message msg;
+    msg.type = omx_message::SEND_COMMAND;
+    msg.u.send_command_data.node = node;
+    msg.u.send_command_data.cmd = cmd;
+    msg.u.send_command_data.param = param;
+
+    ssize_t n = send(mSock, &msg, sizeof(msg), 0);
+    assert(n > 0 && static_cast<size_t>(n) == sizeof(msg));
+#endif
+
+    return OK;
+}
+
+status_t OMXClient::registerObserver(
+        IOMX::node_id node, OMXObserver *observer) {
+    Mutex::Autolock autoLock(&mLock);
+
+    ssize_t index = mObservers.indexOfKey(node);
+    if (index >= 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    mObservers.add(node, observer);
+    observer->start();
+
+#if !IOMX_USES_SOCKETS
+    mOMX->observe_node(node, mReflector);
+#endif
+
+    return OK;
+}
+
+void OMXClient::unregisterObserver(IOMX::node_id node) {
+    Mutex::Autolock autoLock(mLock);
+
+    ssize_t index = mObservers.indexOfKey(node);
+    assert(index >= 0);
+
+    if (index < 0) {
+        return;
+    }
+
+    OMXObserver *observer = mObservers.valueAt(index);
+    observer->stop();
+    mObservers.removeItemsAt(index);
+}
+
+bool OMXClient::onOMXMessage(const omx_message &msg) {
+    bool done = false;
+
+    switch (msg.type) {
+        case omx_message::EVENT:
+        {
+            LOGV("OnEvent node:%p event:%d data1:%ld data2:%ld",
+                 msg.u.event_data.node,
+                 msg.u.event_data.event,
+                 msg.u.event_data.data1,
+                 msg.u.event_data.data2);
+
+            break;
+        }
+
+        case omx_message::FILL_BUFFER_DONE:
+        {
+            LOGV("FillBufferDone %p", msg.u.extended_buffer_data.buffer);
+            break;
+        }
+
+        case omx_message::EMPTY_BUFFER_DONE:
+        {
+            LOGV("EmptyBufferDone %p", msg.u.buffer_data.buffer);
+            break;
+        }
+
+#if IOMX_USES_SOCKETS
+        case omx_message::DISCONNECTED:
+        {
+            LOGV("Disconnected");
+            done = true;
+            break;
+        }
+#endif
+
+        default:
+            LOGE("received unknown omx_message type %d", msg.type);
+            break;
+    }
+
+    Mutex::Autolock autoLock(mLock);
+    ssize_t index = mObservers.indexOfKey(msg.u.buffer_data.node);
+
+    if (index >= 0) {
+        mObservers.editValueAt(index)->postMessage(msg);
+    }
+
+    return done;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+OMXObserver::OMXObserver() {
+}
+
+OMXObserver::~OMXObserver() {
+}
+
+void OMXObserver::start() {
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+    int err = pthread_create(&mThread, &attr, ThreadWrapper, this);
+    assert(err == 0);
+
+    pthread_attr_destroy(&attr);
+}
+
+void OMXObserver::stop() {
+    omx_message msg;
+    msg.type = omx_message::QUIT_OBSERVER;
+    postMessage(msg);
+
+    void *dummy;
+    pthread_join(mThread, &dummy);
+}
+
+void OMXObserver::postMessage(const omx_message &msg) {
+    Mutex::Autolock autoLock(mLock);
+    mQueue.push_back(msg);
+    mQueueNotEmpty.signal();
+}
+
+// static
+void *OMXObserver::ThreadWrapper(void *me) {
+    static_cast<OMXObserver *>(me)->threadEntry();
+
+    return NULL;
+}
+
+void OMXObserver::threadEntry() {
+    for (;;) {
+        omx_message msg;
+
+        {
+            Mutex::Autolock autoLock(mLock);
+            while (mQueue.empty()) {
+                mQueueNotEmpty.wait(mLock);
+            }
+
+            msg = *mQueue.begin();
+            mQueue.erase(mQueue.begin());
+        }
+
+        if (msg.type == omx_message::QUIT_OBSERVER) {
+            break;
+        }
+
+        onOMXMessage(msg);
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+OMXClientReflector::OMXClientReflector(OMXClient *client)
+    : mClient(client) {
+}
+
+void OMXClientReflector::on_message(const omx_message &msg) {
+    if (mClient != NULL) {
+        mClient->onOMXMessage(msg);
+    }
+}
+
+void OMXClientReflector::reset() {
+    mClient = NULL;
+}
+
+}  // namespace android

media/libstagefright/QComHardwareRenderer.cpp

@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <binder/MemoryHeapBase.h>
+#include <binder/MemoryHeapPmem.h>
+#include <media/stagefright/QComHardwareRenderer.h>
+#include <ui/ISurface.h>
+
+namespace android {
+
+////////////////////////////////////////////////////////////////////////////////
+
+typedef struct PLATFORM_PRIVATE_ENTRY
+{
+    /* Entry type */
+    uint32_t type;
+
+    /* Pointer to platform specific entry */
+    void *entry;
+
+} PLATFORM_PRIVATE_ENTRY;
+
+typedef struct PLATFORM_PRIVATE_LIST
+{
+    /* Number of entries */
+    uint32_t nEntries;
+
+    /* Pointer to array of platform specific entries *
+     * Contiguous block of PLATFORM_PRIVATE_ENTRY elements */
+    PLATFORM_PRIVATE_ENTRY *entryList;
+
+} PLATFORM_PRIVATE_LIST;
+
+// data structures for tunneling buffers
+typedef struct PLATFORM_PRIVATE_PMEM_INFO
+{
+    /* pmem file descriptor */
+    uint32_t pmem_fd;
+    uint32_t offset;
+
+} PLATFORM_PRIVATE_PMEM_INFO;
+
+#define PLATFORM_PRIVATE_PMEM   1
+
+QComHardwareRenderer::QComHardwareRenderer(
+        const sp<ISurface> &surface,
+        size_t displayWidth, size_t displayHeight,
+        size_t decodedWidth, size_t decodedHeight)
+    : mISurface(surface),
+      mDisplayWidth(displayWidth),
+      mDisplayHeight(displayHeight),
+      mDecodedWidth(decodedWidth),
+      mDecodedHeight(decodedHeight),
+      mFrameSize((mDecodedWidth * mDecodedHeight * 3) / 2) {
+    assert(mISurface.get() != NULL);
+    assert(mDecodedWidth > 0);
+    assert(mDecodedHeight > 0);
+}
+
+QComHardwareRenderer::~QComHardwareRenderer() {
+    mISurface->unregisterBuffers();
+}
+
+void QComHardwareRenderer::render(
+        const void *data, size_t size, void *platformPrivate) {
+    size_t offset;
+    if (!getOffset(platformPrivate, &offset)) {
+        return;
+    }
+
+    mISurface->postBuffer(offset);
+}
+
+bool QComHardwareRenderer::getOffset(void *platformPrivate, size_t *offset) {
+    *offset = 0;
+
+    PLATFORM_PRIVATE_LIST *list = (PLATFORM_PRIVATE_LIST *)platformPrivate;
+    for (uint32_t i = 0; i < list->nEntries; ++i) {
+        if (list->entryList[i].type != PLATFORM_PRIVATE_PMEM) {
+            continue;
+        }
+
+        PLATFORM_PRIVATE_PMEM_INFO *info =
+            (PLATFORM_PRIVATE_PMEM_INFO *)list->entryList[i].entry;
+
+        if (info != NULL) {
+            if (mMemoryHeap.get() == NULL) {
+                publishBuffers(info->pmem_fd);
+            }
+
+            if (mMemoryHeap.get() == NULL) {
+                return false;
+            }
+
+            *offset = info->offset;
+
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void QComHardwareRenderer::publishBuffers(uint32_t pmem_fd) {
+    sp<MemoryHeapBase> master =
+        reinterpret_cast<MemoryHeapBase *>(pmem_fd);
+
+    master->setDevice("/dev/pmem");
+
+    mMemoryHeap = new MemoryHeapPmem(master, 0);
+    mMemoryHeap->slap();
+
+    ISurface::BufferHeap bufferHeap(
+            mDisplayWidth, mDisplayHeight,
+            mDecodedWidth, mDecodedHeight,
+            PIXEL_FORMAT_YCbCr_420_SP,
+            mMemoryHeap);
+
+    status_t err = mISurface->registerBuffers(bufferHeap);
+    assert(err == OK);
+}
+
+}  // namespace android

media/libstagefright/SampleTable.cpp

@@ -0,0 +1,598 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "SampleTable"
+#include <utils/Log.h>
+
+#include <arpa/inet.h>
+#include <assert.h>
+
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/SampleTable.h>
+#include <media/stagefright/Utils.h>
+
+namespace android {
+
+static const uint32_t kChunkOffsetType32 = FOURCC('s', 't', 'c', 'o');
+static const uint32_t kChunkOffsetType64 = FOURCC('c', 'o', '6', '4');
+static const uint32_t kSampleSizeType32 = FOURCC('s', 't', 's', 'z');
+static const uint32_t kSampleSizeTypeCompact = FOURCC('s', 't', 'z', '2');
+
+SampleTable::SampleTable(DataSource *source)
+    : mDataSource(source),
+      mChunkOffsetOffset(-1),
+      mChunkOffsetType(0),
+      mNumChunkOffsets(0),
+      mSampleToChunkOffset(-1),
+      mNumSampleToChunkOffsets(0),
+      mSampleSizeOffset(-1),
+      mSampleSizeFieldSize(0),
+      mDefaultSampleSize(0),
+      mNumSampleSizes(0),
+      mTimeToSampleCount(0),
+      mTimeToSample(NULL),
+      mSyncSampleOffset(-1),
+      mNumSyncSamples(0) {
+}
+
+SampleTable::~SampleTable() {
+    delete[] mTimeToSample;
+    mTimeToSample = NULL;
+}
+
+status_t SampleTable::setChunkOffsetParams(
+        uint32_t type, off_t data_offset, off_t data_size) {
+    if (mChunkOffsetOffset >= 0) {
+        return ERROR_MALFORMED;
+    }
+
+    assert(type == kChunkOffsetType32 || type == kChunkOffsetType64);
+
+    mChunkOffsetOffset = data_offset;
+    mChunkOffsetType = type;
+
+    if (data_size < 8) {
+        return ERROR_MALFORMED;
+    }
+
+    uint8_t header[8];
+    if (mDataSource->read_at(
+                data_offset, header, sizeof(header)) < (ssize_t)sizeof(header)) {
+        return ERROR_IO;
+    }
+
+    if (U32_AT(header) != 0) {
+        // Expected version = 0, flags = 0.
+        return ERROR_MALFORMED;
+    }
+
+    mNumChunkOffsets = U32_AT(&header[4]);
+
+    if (mChunkOffsetType == kChunkOffsetType32) {
+        if (data_size < 8 + mNumChunkOffsets * 4) {
+            return ERROR_MALFORMED;
+        }
+    } else {
+        if (data_size < 8 + mNumChunkOffsets * 8) {
+            return ERROR_MALFORMED;
+        }
+    }
+
+    return OK;
+}
+
+status_t SampleTable::setSampleToChunkParams(
+        off_t data_offset, off_t data_size) {
+    if (mSampleToChunkOffset >= 0) {
+        return ERROR_MALFORMED;
+    }
+
+    mSampleToChunkOffset = data_offset;
+
+    if (data_size < 8) {
+        return ERROR_MALFORMED;
+    }
+
+    uint8_t header[8];
+    if (mDataSource->read_at(
+                data_offset, header, sizeof(header)) < (ssize_t)sizeof(header)) {
+        return ERROR_IO;
+    }
+
+    if (U32_AT(header) != 0) {
+        // Expected version = 0, flags = 0.
+        return ERROR_MALFORMED;
+    }
+
+    mNumSampleToChunkOffsets = U32_AT(&header[4]);
+
+    if (data_size < 8 + mNumSampleToChunkOffsets * 12) {
+        return ERROR_MALFORMED;
+    }
+
+    return OK;
+}
+
+status_t SampleTable::setSampleSizeParams(
+        uint32_t type, off_t data_offset, off_t data_size) {
+    if (mSampleSizeOffset >= 0) {
+        return ERROR_MALFORMED;
+    }
+
+    assert(type == kSampleSizeType32 || type == kSampleSizeTypeCompact);
+
+    mSampleSizeOffset = data_offset;
+
+    if (data_size < 12) {
+        return ERROR_MALFORMED;
+    }
+
+    uint8_t header[12];
+    if (mDataSource->read_at(
+                data_offset, header, sizeof(header)) < (ssize_t)sizeof(header)) {
+        return ERROR_IO;
+    }
+
+    if (U32_AT(header) != 0) {
+        // Expected version = 0, flags = 0.
+        return ERROR_MALFORMED;
+    }
+
+    mDefaultSampleSize = U32_AT(&header[4]);
+    mNumSampleSizes = U32_AT(&header[8]);
+
+    if (type == kSampleSizeType32) {
+        mSampleSizeFieldSize = 32;
+
+        if (mDefaultSampleSize != 0) {
+            return OK;
+        }
+
+        if (data_size < 12 + mNumSampleSizes * 4) {
+            return ERROR_MALFORMED;
+        }
+    } else {
+        if ((mDefaultSampleSize & 0xffffff00) != 0) {
+            // The high 24 bits are reserved and must be 0.
+            return ERROR_MALFORMED;
+        }
+
+        mSampleSizeFieldSize = mDefaultSampleSize & 0xf;
+        mDefaultSampleSize = 0;
+
+        if (mSampleSizeFieldSize != 4 && mSampleSizeFieldSize != 8
+            && mSampleSizeFieldSize != 16) {
+            return ERROR_MALFORMED;
+        }
+
+        if (data_size < 12 + (mNumSampleSizes * mSampleSizeFieldSize + 4) / 8) {
+            return ERROR_MALFORMED;
+        }
+    }
+
+    return OK;
+}
+
+status_t SampleTable::setTimeToSampleParams(
+        off_t data_offset, off_t data_size) {
+    if (mTimeToSample != NULL || data_size < 8) {
+        return ERROR_MALFORMED;
+    }
+
+    uint8_t header[8];
+    if (mDataSource->read_at(
+                data_offset, header, sizeof(header)) < (ssize_t)sizeof(header)) {
+        return ERROR_IO;
+    }
+
+    if (U32_AT(header) != 0) {
+        // Expected version = 0, flags = 0.
+        return ERROR_MALFORMED;
+    }
+
+    mTimeToSampleCount = U32_AT(&header[4]);
+    mTimeToSample = new uint32_t[mTimeToSampleCount * 2];
+
+    size_t size = sizeof(uint32_t) * mTimeToSampleCount * 2;
+    if (mDataSource->read_at(
+                data_offset + 8, mTimeToSample, size) < (ssize_t)size) {
+        return ERROR_IO;
+    }
+
+    for (uint32_t i = 0; i < mTimeToSampleCount * 2; ++i) {
+        mTimeToSample[i] = ntohl(mTimeToSample[i]);
+    }
+
+    return OK;
+}
+
+status_t SampleTable::setSyncSampleParams(off_t data_offset, off_t data_size) {
+    if (mSyncSampleOffset >= 0 || data_size < 8) {
+        return ERROR_MALFORMED;
+    }
+
+    mSyncSampleOffset = data_offset;
+
+    uint8_t header[8];
+    if (mDataSource->read_at(
+                data_offset, header, sizeof(header)) < (ssize_t)sizeof(header)) {
+        return ERROR_IO;
+    }
+
+    if (U32_AT(header) != 0) {
+        // Expected version = 0, flags = 0.
+        return ERROR_MALFORMED;
+    }
+
+    mNumSyncSamples = U32_AT(&header[4]);
+
+    if (mNumSyncSamples < 2) {
+        LOGW("Table of sync samples is empty or has only a single entry!");
+    }
+    return OK;
+}
+
+uint32_t SampleTable::countChunkOffsets() const {
+    return mNumChunkOffsets;
+}
+
+status_t SampleTable::getChunkOffset(uint32_t chunk_index, off_t *offset) {
+    *offset = 0;
+
+    if (mChunkOffsetOffset < 0) {
+        return ERROR_MALFORMED;
+    }
+
+    if (chunk_index >= mNumChunkOffsets) {
+        return ERROR_OUT_OF_RANGE;
+    }
+
+    if (mChunkOffsetType == kChunkOffsetType32) {
+        uint32_t offset32;
+
+        if (mDataSource->read_at(
+                    mChunkOffsetOffset + 8 + 4 * chunk_index,
+                    &offset32,
+                    sizeof(offset32)) < (ssize_t)sizeof(offset32)) {
+            return ERROR_IO;
+        }
+
+        *offset = ntohl(offset32);
+    } else {
+        assert(mChunkOffsetOffset == kChunkOffsetType64);
+
+        uint64_t offset64;
+        if (mDataSource->read_at(
+                    mChunkOffsetOffset + 8 + 8 * chunk_index,
+                    &offset64,
+                    sizeof(offset64)) < (ssize_t)sizeof(offset64)) {
+            return ERROR_IO;
+        }
+
+        *offset = ntoh64(offset64);
+    }
+
+    return OK;
+}
+
+status_t SampleTable::getChunkForSample(
+        uint32_t sample_index,
+        uint32_t *chunk_index, 
+        uint32_t *chunk_relative_sample_index,
+        uint32_t *desc_index) {
+    *chunk_index = 0;
+    *chunk_relative_sample_index = 0;
+    *desc_index = 0;
+
+    if (mSampleToChunkOffset < 0) {
+        return ERROR_MALFORMED;
+    }
+
+    if (sample_index >= countSamples()) {
+        return ERROR_END_OF_STREAM;
+    }
+
+    uint32_t first_chunk = 0;
+    uint32_t samples_per_chunk = 0;
+    uint32_t chunk_desc_index = 0;
+
+    uint32_t index = 0;
+    while (index < mNumSampleToChunkOffsets) {
+        uint8_t buffer[12];
+        if (mDataSource->read_at(mSampleToChunkOffset + 8 + index * 12,
+                                 buffer, sizeof(buffer)) < (ssize_t)sizeof(buffer)) {
+            return ERROR_IO;
+        }
+
+        uint32_t stop_chunk = U32_AT(buffer);
+        if (sample_index < (stop_chunk - first_chunk) * samples_per_chunk) {
+            break;
+        }
+
+        sample_index -= (stop_chunk - first_chunk) * samples_per_chunk;
+        first_chunk = stop_chunk;
+        samples_per_chunk = U32_AT(&buffer[4]);
+        chunk_desc_index = U32_AT(&buffer[8]);
+
+        ++index;
+    }
+
+    *chunk_index = sample_index / samples_per_chunk + first_chunk - 1;
+    *chunk_relative_sample_index = sample_index % samples_per_chunk;
+    *desc_index = chunk_desc_index;
+
+    return OK;
+}
+
+uint32_t SampleTable::countSamples() const {
+    return mNumSampleSizes;
+}
+
+status_t SampleTable::getSampleSize(
+        uint32_t sample_index, size_t *sample_size) {
+    *sample_size = 0;
+
+    if (mSampleSizeOffset < 0) {
+        return ERROR_MALFORMED;
+    }
+
+    if (sample_index >= mNumSampleSizes) {
+        return ERROR_OUT_OF_RANGE;
+    }
+
+    if (mDefaultSampleSize > 0) {
+        *sample_size = mDefaultSampleSize;
+        return OK;
+    }
+
+    switch (mSampleSizeFieldSize) {
+        case 32:
+        {
+            if (mDataSource->read_at(
+                        mSampleSizeOffset + 12 + 4 * sample_index,
+                        sample_size, sizeof(*sample_size)) < (ssize_t)sizeof(*sample_size)) {
+                return ERROR_IO;
+            }
+
+            *sample_size = ntohl(*sample_size);
+            break;
+        }
+
+        case 16:
+        {
+            uint16_t x;
+            if (mDataSource->read_at(
+                        mSampleSizeOffset + 12 + 2 * sample_index,
+                        &x, sizeof(x)) < (ssize_t)sizeof(x)) {
+                return ERROR_IO;
+            }
+
+            *sample_size = ntohs(x);
+            break;
+        }
+
+        case 8:
+        {
+            uint8_t x;
+            if (mDataSource->read_at(
+                        mSampleSizeOffset + 12 + sample_index,
+                        &x, sizeof(x)) < (ssize_t)sizeof(x)) {
+                return ERROR_IO;
+            }
+
+            *sample_size = x;
+            break;
+        }
+
+        default:
+        {
+            assert(mSampleSizeFieldSize == 4);
+
+            uint8_t x;
+            if (mDataSource->read_at(
+                        mSampleSizeOffset + 12 + sample_index / 2,
+                        &x, sizeof(x)) < (ssize_t)sizeof(x)) {
+                return ERROR_IO;
+            }
+
+            *sample_size = (sample_index & 1) ? x & 0x0f : x >> 4;
+            break;
+        }
+    }
+
+    return OK;
+}
+
+status_t SampleTable::getSampleOffsetAndSize(
+        uint32_t sample_index, off_t *offset, size_t *size) {
+    Mutex::Autolock autoLock(mLock);
+
+    *offset = 0;
+    *size = 0;
+
+    uint32_t chunk_index;
+    uint32_t chunk_relative_sample_index;
+    uint32_t desc_index;
+    status_t err = getChunkForSample(
+            sample_index, &chunk_index, &chunk_relative_sample_index,
+            &desc_index);
+
+    if (err != OK) {
+        return err;
+    }
+
+    err = getChunkOffset(chunk_index, offset);
+
+    if (err != OK) {
+        return err;
+    }
+
+    for (uint32_t j = 0; j < chunk_relative_sample_index; ++j) {
+        size_t sample_size;
+        err = getSampleSize(sample_index - j - 1, &sample_size);
+
+        if (err != OK) {
+            return err;
+        }
+
+        *offset += sample_size;
+    }
+
+    err = getSampleSize(sample_index, size);
+
+    if (err != OK) {
+        return err;
+    }
+
+    return OK;
+}
+
+status_t SampleTable::getMaxSampleSize(size_t *max_size) {
+    Mutex::Autolock autoLock(mLock);
+
+    *max_size = 0;
+
+    for (uint32_t i = 0; i < mNumSampleSizes; ++i) {
+        size_t sample_size;
+        status_t err = getSampleSize(i, &sample_size);
+        
+        if (err != OK) {
+            return err;
+        }
+
+        if (sample_size > *max_size) {
+            *max_size = sample_size;
+        }
+    }
+
+    return OK;
+}
+
+status_t SampleTable::getDecodingTime(uint32_t sample_index, uint32_t *time) {
+    // XXX FIXME idiotic (for the common use-case) O(n) algorithm below...
+
+    Mutex::Autolock autoLock(mLock);
+
+    if (sample_index >= mNumSampleSizes) {
+        return ERROR_OUT_OF_RANGE;
+    }
+
+    uint32_t cur_sample = 0;
+    *time = 0;
+    for (uint32_t i = 0; i < mTimeToSampleCount; ++i) {
+        uint32_t n = mTimeToSample[2 * i];
+        uint32_t delta = mTimeToSample[2 * i + 1];
+
+        if (sample_index < cur_sample + n) {
+            *time += delta * (sample_index - cur_sample);
+
+            return OK;
+        }
+        
+        *time += delta * n;
+        cur_sample += n;
+    }
+
+    return ERROR_OUT_OF_RANGE;
+}
+
+status_t SampleTable::findClosestSample(
+        uint32_t req_time, uint32_t *sample_index, uint32_t flags) {
+    Mutex::Autolock autoLock(mLock);
+
+    uint32_t cur_sample = 0;
+    uint32_t time = 0;
+    for (uint32_t i = 0; i < mTimeToSampleCount; ++i) {
+        uint32_t n = mTimeToSample[2 * i];
+        uint32_t delta = mTimeToSample[2 * i + 1];
+
+        if (req_time < time + n * delta) {
+            int j = (req_time - time) / delta;
+
+            *sample_index = cur_sample + j;
+
+            if (flags & kSyncSample_Flag) {
+                return findClosestSyncSample(*sample_index, sample_index);
+            }
+
+            return OK;
+        }
+
+        time += delta * n;
+        cur_sample += n;
+    }
+
+    return ERROR_OUT_OF_RANGE;
+}
+
+status_t SampleTable::findClosestSyncSample(
+        uint32_t start_sample_index, uint32_t *sample_index) {
+    *sample_index = 0;
+
+    if (mSyncSampleOffset < 0) {
+        // All samples are sync-samples.
+        *sample_index = start_sample_index;
+        return OK;
+    }
+
+    uint32_t x;
+    uint32_t left = 0;
+    uint32_t right = mNumSyncSamples;
+    while (left < right) {
+        uint32_t mid = (left + right) / 2;
+        if (mDataSource->read_at(
+                    mSyncSampleOffset + 8 + (mid - 1) * 4, &x, 4) != 4) {
+            return ERROR_IO;
+        }
+
+        x = ntohl(x);
+
+        if (x < (start_sample_index + 1)) {
+            left = mid + 1;
+        } else if (x > (start_sample_index + 1)) {
+            right = mid;
+        } else {
+            break;
+        }
+    }
+
+#if 1
+    // Make sure we return a sample at or _after_ the requested one.
+    // Seeking to a particular time in a media source containing audio and
+    // video will most likely be able to sync fairly close to the requested
+    // time in the audio track but may only be able to seek a fair distance
+    // from the requested time in the video track.
+    // If we seek the video track to a time earlier than the audio track,
+    // we'll cause the video track to be late for quite a while, the decoder
+    // trying to catch up.
+    // If we seek the video track to a time later than the audio track,
+    // audio will start playing fine while no video will be output for a
+    // while, the video decoder will not stress the system.
+    if (mDataSource->read_at(
+                mSyncSampleOffset + 8 + (left - 1) * 4, &x, 4) != 4) {
+        return ERROR_IO;
+    }
+    x = ntohl(x);
+    assert((x - 1) >= start_sample_index);
+#endif
+
+    *sample_index = x - 1;
+
+    return OK;
+}
+
+}  // namespace android
+

media/libstagefright/ShoutcastSource.cpp

@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdlib.h>
+
+#include <media/stagefright/HTTPStream.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MediaBufferGroup.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/ShoutcastSource.h>
+#include <media/stagefright/string.h>
+
+namespace android {
+
+ShoutcastSource::ShoutcastSource(HTTPStream *http)
+    : mHttp(http),
+      mMetaDataOffset(0),
+      mBytesUntilMetaData(0),
+      mGroup(NULL),
+      mStarted(false) {
+    string metaint;
+    if (mHttp->find_header_value("icy-metaint", &metaint)) {
+        char *end;
+        const char *start = metaint.c_str();
+        mMetaDataOffset = strtol(start, &end, 10);
+        assert(end > start && *end == '\0');
+        assert(mMetaDataOffset > 0);
+
+        mBytesUntilMetaData = mMetaDataOffset;
+    }
+}
+
+ShoutcastSource::~ShoutcastSource() {
+    if (mStarted) {
+        stop();
+    }
+
+    delete mHttp;
+    mHttp = NULL;
+}
+
+status_t ShoutcastSource::start(MetaData *) {
+    assert(!mStarted);
+
+    mGroup = new MediaBufferGroup;
+    mGroup->add_buffer(new MediaBuffer(4096));  // XXX
+
+    mStarted = true;
+
+    return OK;
+}
+
+status_t ShoutcastSource::stop() {
+    assert(mStarted);
+
+    delete mGroup;
+    mGroup = NULL;
+
+    mStarted = false;
+
+    return OK;
+}
+
+sp<MetaData> ShoutcastSource::getFormat() {
+    sp<MetaData> meta = new MetaData;
+    meta->setCString(kKeyMIMEType, "audio/mpeg");
+    meta->setInt32(kKeySampleRate, 44100);
+    meta->setInt32(kKeyChannelCount, 2);  // XXX
+
+    return meta;
+}
+
+status_t ShoutcastSource::read(
+        MediaBuffer **out, const ReadOptions *options) {
+    assert(mStarted);
+
+    *out = NULL;
+
+    int64_t seekTimeUs;
+    if (options && options->getSeekTo(&seekTimeUs)) {
+        return ERROR_UNSUPPORTED;
+    }
+
+    MediaBuffer *buffer;
+    status_t err = mGroup->acquire_buffer(&buffer);
+    if (err != OK) {
+        return err;
+    }
+
+    *out = buffer;
+
+    size_t num_bytes = buffer->size();
+    if (mMetaDataOffset > 0 && num_bytes > mBytesUntilMetaData) {
+        num_bytes = mBytesUntilMetaData;
+    }
+
+    ssize_t n = mHttp->receive(buffer->data(), num_bytes);
+
+    if (n <= 0) {
+        return (status_t)n;
+    }
+
+    buffer->set_range(0, n);
+
+    mBytesUntilMetaData -= (size_t)n;
+
+    if (mBytesUntilMetaData == 0) {
+        unsigned char num_16_byte_blocks = 0;
+        n = mHttp->receive((char *)&num_16_byte_blocks, 1);
+        assert(n == 1);
+
+        char meta[255 * 16];
+        size_t meta_size = num_16_byte_blocks * 16;
+        size_t meta_length = 0;
+        while (meta_length < meta_size) {
+            n = mHttp->receive(&meta[meta_length], meta_size - meta_length);
+            if (n <= 0) {
+                return (status_t)n;
+            }
+
+            meta_length += (size_t) n;
+        }
+
+        while (meta_length > 0 && meta[meta_length - 1] == '\0') {
+            --meta_length;
+        }
+
+        if (meta_length > 0) {
+            // Technically we should probably attach this meta data to the
+            // next buffer. XXX
+            buffer->meta_data()->setData('shou', 'shou', meta, meta_length);
+        }
+
+        mBytesUntilMetaData = mMetaDataOffset;
+    }
+
+    return OK;
+}
+
+}  // namespace android
+

media/libstagefright/SoftwareRenderer.cpp

@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "SoftwareRenderer"
+#include <utils/Log.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <binder/MemoryHeapBase.h>
+#include <media/stagefright/SoftwareRenderer.h>
+#include <ui/ISurface.h>
+
+namespace android {
+
+#define QCOM_YUV        0
+
+SoftwareRenderer::SoftwareRenderer(
+        const sp<ISurface> &surface,
+        size_t displayWidth, size_t displayHeight,
+        size_t decodedWidth, size_t decodedHeight)
+    : mISurface(surface),
+      mDisplayWidth(displayWidth),
+      mDisplayHeight(displayHeight),
+      mDecodedWidth(decodedWidth),
+      mDecodedHeight(decodedHeight),
+      mFrameSize(mDecodedWidth * mDecodedHeight * 2),  // RGB565
+      mMemoryHeap(new MemoryHeapBase(2 * mFrameSize)),
+      mIndex(0) {
+    assert(mISurface.get() != NULL);
+    assert(mDecodedWidth > 0);
+    assert(mDecodedHeight > 0);
+    assert(mMemoryHeap->heapID() >= 0);
+
+    ISurface::BufferHeap bufferHeap(
+            mDisplayWidth, mDisplayHeight,
+            mDecodedWidth, mDecodedHeight,
+            PIXEL_FORMAT_RGB_565,
+            mMemoryHeap);
+
+    status_t err = mISurface->registerBuffers(bufferHeap);
+    assert(err == OK);
+}
+
+SoftwareRenderer::~SoftwareRenderer() {
+    mISurface->unregisterBuffers();
+}
+
+void SoftwareRenderer::render(
+        const void *data, size_t size, void *platformPrivate) {
+    assert(size >= (mDecodedWidth * mDecodedHeight * 3) / 2);
+
+    static const signed kClipMin = -278;
+    static const signed kClipMax = 535;
+    static uint8_t kClip[kClipMax - kClipMin + 1];
+    static uint8_t *kAdjustedClip = &kClip[-kClipMin];
+
+    static bool clipInitialized = false;
+
+    if (!clipInitialized) {
+        for (signed i = kClipMin; i <= kClipMax; ++i) {
+            kClip[i - kClipMin] = (i < 0) ? 0 : (i > 255) ? 255 : (uint8_t)i;
+        }
+        clipInitialized = true;
+    }
+
+    size_t offset = mIndex * mFrameSize;
+
+    void *dst = (uint8_t *)mMemoryHeap->getBase() + offset;
+
+    uint32_t *dst_ptr = (uint32_t *)dst;
+
+    const uint8_t *src_y = (const uint8_t *)data;
+
+    const uint8_t *src_u =
+        (const uint8_t *)src_y + mDecodedWidth * mDecodedHeight;
+
+#if !QCOM_YUV
+    const uint8_t *src_v =
+        (const uint8_t *)src_u + (mDecodedWidth / 2) * (mDecodedHeight / 2);
+#endif
+
+    for (size_t y = 0; y < mDecodedHeight; ++y) {
+        for (size_t x = 0; x < mDecodedWidth; x += 2) {
+            // B = 1.164 * (Y - 16) + 2.018 * (U - 128)
+            // G = 1.164 * (Y - 16) - 0.813 * (V - 128) - 0.391 * (U - 128)
+            // R = 1.164 * (Y - 16) + 1.596 * (V - 128)
+
+            // B = 298/256 * (Y - 16) + 517/256 * (U - 128)
+            // G = .................. - 208/256 * (V - 128) - 100/256 * (U - 128)
+            // R = .................. + 409/256 * (V - 128)
+
+            // min_B = (298 * (- 16) + 517 * (- 128)) / 256 = -277
+            // min_G = (298 * (- 16) - 208 * (255 - 128) - 100 * (255 - 128)) / 256 = -172
+            // min_R = (298 * (- 16) + 409 * (- 128)) / 256 = -223
+
+            // max_B = (298 * (255 - 16) + 517 * (255 - 128)) / 256 = 534
+            // max_G = (298 * (255 - 16) - 208 * (- 128) - 100 * (- 128)) / 256 = 432
+            // max_R = (298 * (255 - 16) + 409 * (255 - 128)) / 256 = 481
+
+            // clip range -278 .. 535
+
+            signed y1 = (signed)src_y[x] - 16;
+            signed y2 = (signed)src_y[x + 1] - 16;
+
+#if QCOM_YUV
+            signed u = (signed)src_u[x & ~1] - 128;
+            signed v = (signed)src_u[(x & ~1) + 1] - 128;
+#else
+            signed u = (signed)src_u[x / 2] - 128;
+            signed v = (signed)src_v[x / 2] - 128;
+#endif
+
+            signed u_b = u * 517;
+            signed u_g = -u * 100;
+            signed v_g = -v * 208;
+            signed v_r = v * 409;
+
+            signed tmp1 = y1 * 298;
+            signed b1 = (tmp1 + u_b) / 256;
+            signed g1 = (tmp1 + v_g + u_g) / 256;
+            signed r1 = (tmp1 + v_r) / 256;
+
+            signed tmp2 = y2 * 298;
+            signed b2 = (tmp2 + u_b) / 256;
+            signed g2 = (tmp2 + v_g + u_g) / 256;
+            signed r2 = (tmp2 + v_r) / 256;
+
+            uint32_t rgb1 =
+                ((kAdjustedClip[r1] >> 3) << 11)
+                | ((kAdjustedClip[g1] >> 2) << 5)
+                | (kAdjustedClip[b1] >> 3);
+
+            uint32_t rgb2 =
+                ((kAdjustedClip[r2] >> 3) << 11)
+                | ((kAdjustedClip[g2] >> 2) << 5)
+                | (kAdjustedClip[b2] >> 3);
+
+            dst_ptr[x / 2] = (rgb2 << 16) | rgb1;
+        }
+
+        src_y += mDecodedWidth;
+
+        if (y & 1) {
+#if QCOM_YUV
+            src_u += mDecodedWidth;
+#else
+            src_u += mDecodedWidth / 2;
+            src_v += mDecodedWidth / 2;
+#endif
+        }
+
+        dst_ptr += mDecodedWidth / 2;
+    }
+
+    mISurface->postBuffer(offset);
+    mIndex = 1 - mIndex;
+}
+
+}  // namespace android

media/libstagefright/SurfaceRenderer.cpp

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "SurfaceRenderer"
+#include <utils/Log.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <media/stagefright/SurfaceRenderer.h>
+#include <ui/Surface.h>
+
+namespace android {
+
+SurfaceRenderer::SurfaceRenderer(
+        const sp<Surface> &surface,
+        size_t displayWidth, size_t displayHeight,
+        size_t decodedWidth, size_t decodedHeight)
+    : mSurface(surface),
+      mDisplayWidth(displayWidth),
+      mDisplayHeight(displayHeight),
+      mDecodedWidth(decodedWidth),
+      mDecodedHeight(decodedHeight) {
+}
+
+SurfaceRenderer::~SurfaceRenderer() {
+}
+
+void SurfaceRenderer::render(
+        const void *data, size_t size, void *platformPrivate) {
+    Surface::SurfaceInfo info;
+    status_t err = mSurface->lock(&info);
+    if (err != OK) {
+        return;
+    }
+
+    const uint8_t *src = (const uint8_t *)data;
+    uint8_t *dst = (uint8_t *)info.bits;
+
+    for (size_t i = 0; i < mDisplayHeight; ++i) {
+        memcpy(dst, src, mDisplayWidth);
+        src += mDecodedWidth;
+        dst += mDisplayWidth;
+    }
+    src += (mDecodedHeight - mDisplayHeight) * mDecodedWidth;
+    
+    for (size_t i = 0; i < (mDisplayHeight + 1) / 2; ++i) {
+        memcpy(dst, src, (mDisplayWidth + 1) & ~1);
+        src += (mDecodedWidth + 1) & ~1;
+        dst += (mDisplayWidth + 1) & ~1;
+    }
+
+    mSurface->unlockAndPost();
+}
+
+}  // namespace android

media/libstagefright/TimeSource.cpp

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/time.h>
+
+#include <media/stagefright/TimeSource.h>
+
+namespace android {
+
+SystemTimeSource::SystemTimeSource()
+    : mStartTimeUs(GetSystemTimeUs()) {
+}
+
+int64_t SystemTimeSource::getRealTimeUs() {
+    return GetSystemTimeUs() - mStartTimeUs;
+}
+
+// static
+int64_t SystemTimeSource::GetSystemTimeUs() {
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+
+    return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
+}
+
+}  // namespace android
+

media/libstagefright/TimedEventQueue.cpp

@@ -0,0 +1,206 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef __STRICT_ANSI__
+#define __STDINT_LIMITS
+#include <stdint.h>
+
+#define LOG_TAG "TimedEventQueue"
+#include <utils/Log.h>
+
+#include <sys/time.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <media/stagefright/TimedEventQueue.h>
+
+namespace android {
+
+TimedEventQueue::TimedEventQueue()
+    : mRunning(false),
+      mStopped(false) {
+}
+
+TimedEventQueue::~TimedEventQueue() {
+    stop();
+}
+
+void TimedEventQueue::start() {
+    if (mRunning) {
+        return;
+    }
+
+    mStopped = false;
+
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+    pthread_create(&mThread, &attr, ThreadWrapper, this);
+
+    pthread_attr_destroy(&attr);
+
+    mRunning = true;
+}
+
+void TimedEventQueue::stop(bool flush) {
+    if (!mRunning) {
+        return;
+    }
+
+    if (flush) {
+        postEventToBack(new StopEvent);
+    } else {
+        postTimedEvent(new StopEvent, INT64_MIN);
+    }
+
+    void *dummy;
+    pthread_join(mThread, &dummy);
+
+    mQueue.clear();
+
+    mRunning = false;
+}
+
+void TimedEventQueue::postEvent(const sp<Event> &event) {
+    // Reserve an earlier timeslot an INT64_MIN to be able to post
+    // the StopEvent to the absolute head of the queue.
+    postTimedEvent(event, INT64_MIN + 1);
+}
+
+void TimedEventQueue::postEventToBack(const sp<Event> &event) {
+    postTimedEvent(event, INT64_MAX);
+}
+
+void TimedEventQueue::postEventWithDelay(
+        const sp<Event> &event, int64_t delay_us) {
+    assert(delay_us >= 0);
+    postTimedEvent(event, getRealTimeUs() + delay_us);
+}
+
+void TimedEventQueue::postTimedEvent(
+        const sp<Event> &event, int64_t realtime_us) {
+    Mutex::Autolock autoLock(mLock);
+
+    List<QueueItem>::iterator it = mQueue.begin();
+    while (it != mQueue.end() && realtime_us >= (*it).realtime_us) {
+        ++it;
+    }
+
+    QueueItem item;
+    item.event = event;
+    item.realtime_us = realtime_us;
+
+    if (it == mQueue.begin()) {
+        mQueueHeadChangedCondition.signal();
+    }
+
+    mQueue.insert(it, item);
+
+    mQueueNotEmptyCondition.signal();
+}
+
+bool TimedEventQueue::cancelEvent(const sp<Event> &event) {
+    Mutex::Autolock autoLock(mLock);
+
+    List<QueueItem>::iterator it = mQueue.begin();
+    while (it != mQueue.end() && (*it).event != event) {
+        ++it;
+    }
+
+    if (it == mQueue.end()) {
+        return false;
+    }
+
+    if (it == mQueue.begin()) {
+        mQueueHeadChangedCondition.signal();
+    }
+
+    mQueue.erase(it);
+
+    return true;
+}
+
+// static
+int64_t TimedEventQueue::getRealTimeUs() {
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+
+    return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
+}
+
+// static
+void *TimedEventQueue::ThreadWrapper(void *me) {
+    static_cast<TimedEventQueue *>(me)->threadEntry();
+
+    return NULL;
+}
+
+void TimedEventQueue::threadEntry() {
+    for (;;) {
+        int64_t now_us;
+        sp<Event> event;
+
+        {
+            Mutex::Autolock autoLock(mLock);
+
+            if (mStopped) {
+                break;
+            }
+
+            while (mQueue.empty()) {
+                mQueueNotEmptyCondition.wait(mLock);
+            }
+
+            List<QueueItem>::iterator it;
+            for (;;) {
+                it = mQueue.begin();
+
+                now_us = getRealTimeUs();
+                int64_t when_us = (*it).realtime_us;
+
+                int64_t delay_us;
+                if (when_us < 0 || when_us == INT64_MAX) {
+                    delay_us = 0;
+                } else {
+                    delay_us = when_us - now_us;
+                }
+
+                if (delay_us <= 0) {
+                    break;
+                }
+
+                status_t err = mQueueHeadChangedCondition.waitRelative(
+                        mLock, delay_us * 1000);
+
+                if (err == -ETIMEDOUT) {
+                    now_us = getRealTimeUs();
+                    break;
+                }
+            }
+
+            event = (*it).event;
+            mQueue.erase(it);
+        }
+
+        // Fire event with the lock NOT held.
+        event->fire(this, now_us);
+    }
+}
+
+}  // namespace android
+

media/libstagefright/Utils.cpp

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <arpa/inet.h>
+
+#include <media/stagefright/Utils.h>
+
+namespace android {
+
+uint16_t U16_AT(const uint8_t *ptr) {
+    return ptr[0] << 8 | ptr[1];
+}
+
+uint32_t U32_AT(const uint8_t *ptr) {
+    return ptr[0] << 24 | ptr[1] << 16 | ptr[2] << 8 | ptr[3];
+}
+
+uint64_t U64_AT(const uint8_t *ptr) {
+    return ((uint64_t)U32_AT(ptr)) << 32 | U32_AT(ptr + 4);
+}
+
+// XXX warning: these won't work on big-endian host.
+uint64_t ntoh64(uint64_t x) {
+    return ((uint64_t)ntohl(x & 0xffffffff) << 32) | ntohl(x >> 32);
+}
+
+uint64_t hton64(uint64_t x) {
+    return ((uint64_t)htonl(x & 0xffffffff) << 32) | htonl(x >> 32);
+}
+
+}  // namespace android
+

media/libstagefright/omx/Android.mk

@@ -0,0 +1,27 @@
+ifeq ($(BUILD_WITH_STAGEFRIGHT),true)
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+# Set up the OpenCore variables.
+include external/opencore/Config.mk
+LOCAL_C_INCLUDES := $(PV_INCLUDES)
+LOCAL_CFLAGS := $(PV_CFLAGS_MINUS_VISIBILITY)
+
+LOCAL_SRC_FILES:=                 \
+	OMX.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+        libbinder         \
+        libmedia          \
+	libutils          \
+        libui             \
+        libopencore_common
+
+LOCAL_PRELINK_MODULE:= false
+
+LOCAL_MODULE:= libstagefright_omx
+
+include $(BUILD_SHARED_LIBRARY)
+
+endif

media/libstagefright/omx/OMX.cpp

@@ -0,0 +1,621 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "OMX"
+#include <utils/Log.h>
+
+#include <sys/socket.h>
+
+#undef NDEBUG
+#include <assert.h>
+
+#include "OMX.h"
+#include "pv_omxcore.h"
+
+#include <binder/IMemory.h>
+
+#include <OMX_Component.h>
+
+namespace android {
+
+class NodeMeta {
+public:
+    NodeMeta(OMX *owner)
+        : mOwner(owner),
+          mHandle(NULL) {
+    }
+
+    OMX *owner() const {
+        return mOwner;
+    }
+
+    void setHandle(OMX_HANDLETYPE handle) {
+        assert(mHandle == NULL);
+        mHandle = handle;
+    }
+
+    OMX_HANDLETYPE handle() const {
+        return mHandle;
+    }
+
+    void setObserver(const sp<IOMXObserver> &observer) {
+        mObserver = observer;
+    }
+
+    sp<IOMXObserver> observer() {
+        return mObserver;
+    }
+
+private:
+    OMX *mOwner;
+    OMX_HANDLETYPE mHandle;
+    sp<IOMXObserver> mObserver;
+
+    NodeMeta(const NodeMeta &);
+    NodeMeta &operator=(const NodeMeta &);
+};
+
+class BufferMeta {
+public:
+    BufferMeta(OMX *owner, const sp<IMemory> &mem, bool is_backup = false)
+        : mOwner(owner),
+          mMem(mem),
+          mIsBackup(is_backup) {
+    }
+
+    BufferMeta(OMX *owner, size_t size)
+        : mOwner(owner),
+          mSize(size),
+          mIsBackup(false) {
+    }
+
+    void CopyFromOMX(const OMX_BUFFERHEADERTYPE *header) {
+        if (!mIsBackup) {
+            return;
+        }
+
+        memcpy((OMX_U8 *)mMem->pointer() + header->nOffset,
+               header->pBuffer + header->nOffset,
+               header->nFilledLen);
+    }
+
+    void CopyToOMX(const OMX_BUFFERHEADERTYPE *header) {
+        if (!mIsBackup) {
+            return;
+        }
+
+        memcpy(header->pBuffer + header->nOffset,
+               (const OMX_U8 *)mMem->pointer() + header->nOffset,
+               header->nFilledLen);
+    }
+
+private:
+    OMX *mOwner;
+    sp<IMemory> mMem;
+    size_t mSize;
+    bool mIsBackup;
+
+    BufferMeta(const BufferMeta &);
+    BufferMeta &operator=(const BufferMeta &);
+};
+
+// static
+OMX_CALLBACKTYPE OMX::kCallbacks = {
+    &OnEvent, &OnEmptyBufferDone, &OnFillBufferDone
+};
+
+// static
+OMX_ERRORTYPE OMX::OnEvent(
+        OMX_IN OMX_HANDLETYPE hComponent,
+        OMX_IN OMX_PTR pAppData,
+        OMX_IN OMX_EVENTTYPE eEvent,
+        OMX_IN OMX_U32 nData1,
+        OMX_IN OMX_U32 nData2,
+        OMX_IN OMX_PTR pEventData) {
+    NodeMeta *meta = static_cast<NodeMeta *>(pAppData);
+    return meta->owner()->OnEvent(meta, eEvent, nData1, nData2, pEventData);
+}
+
+// static
+OMX_ERRORTYPE OMX::OnEmptyBufferDone(
+        OMX_IN OMX_HANDLETYPE hComponent,
+        OMX_IN OMX_PTR pAppData,
+        OMX_IN OMX_BUFFERHEADERTYPE* pBuffer) {
+    NodeMeta *meta = static_cast<NodeMeta *>(pAppData);
+    return meta->owner()->OnEmptyBufferDone(meta, pBuffer);
+}
+
+// static
+OMX_ERRORTYPE OMX::OnFillBufferDone(
+        OMX_IN OMX_HANDLETYPE hComponent,
+        OMX_IN OMX_PTR pAppData,
+        OMX_IN OMX_BUFFERHEADERTYPE* pBuffer) {
+    NodeMeta *meta = static_cast<NodeMeta *>(pAppData);
+    return meta->owner()->OnFillBufferDone(meta, pBuffer);
+}
+
+OMX::OMX()
+#if IOMX_USES_SOCKETS
+    : mSock(-1)
+#endif
+{
+}
+
+OMX::~OMX() {
+#if IOMX_USES_SOCKETS
+    assert(mSock < 0);
+#endif
+}
+
+#if IOMX_USES_SOCKETS
+status_t OMX::connect(int *sd) {
+    Mutex::Autolock autoLock(mLock);
+
+    if (mSock >= 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    int sockets[2];
+    if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sockets) < 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    mSock = sockets[0];
+    *sd = sockets[1];
+
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+    int err = pthread_create(&mThread, &attr, ThreadWrapper, this);
+    assert(err == 0);
+
+    pthread_attr_destroy(&attr);
+
+    return OK;
+}
+
+// static
+void *OMX::ThreadWrapper(void *me) {
+    ((OMX *)me)->threadEntry();
+
+    return NULL;
+}
+
+void OMX::threadEntry() {
+    bool done = false;
+    while (!done) {
+        omx_message msg;
+        ssize_t n = recv(mSock, &msg, sizeof(msg), 0);
+
+        if (n <= 0) {
+            break;
+        }
+
+        Mutex::Autolock autoLock(mLock);
+
+        switch (msg.type) {
+            case omx_message::FILL_BUFFER:
+            {
+                OMX_BUFFERHEADERTYPE *header =
+                    static_cast<OMX_BUFFERHEADERTYPE *>(
+                            msg.u.buffer_data.buffer);
+
+                header->nFilledLen = 0;
+                header->nOffset = 0;
+                header->nFlags = 0;
+
+                NodeMeta *node_meta = static_cast<NodeMeta *>(
+                        msg.u.buffer_data.node);
+                
+                LOGV("FillThisBuffer buffer=%p", header);
+
+                OMX_ERRORTYPE err =
+                    OMX_FillThisBuffer(node_meta->handle(), header);
+                assert(err == OMX_ErrorNone);
+                break;
+            }
+
+            case omx_message::EMPTY_BUFFER:
+            {
+                OMX_BUFFERHEADERTYPE *header =
+                    static_cast<OMX_BUFFERHEADERTYPE *>(
+                            msg.u.extended_buffer_data.buffer);
+
+                header->nFilledLen = msg.u.extended_buffer_data.range_length;
+                header->nOffset = msg.u.extended_buffer_data.range_offset;
+                header->nFlags = msg.u.extended_buffer_data.flags;
+                header->nTimeStamp = msg.u.extended_buffer_data.timestamp;
+
+                BufferMeta *buffer_meta =
+                    static_cast<BufferMeta *>(header->pAppPrivate);
+                buffer_meta->CopyToOMX(header);
+
+                NodeMeta *node_meta = static_cast<NodeMeta *>(
+                        msg.u.extended_buffer_data.node);
+
+                LOGV("EmptyThisBuffer buffer=%p", header);
+
+                OMX_ERRORTYPE err =
+                    OMX_EmptyThisBuffer(node_meta->handle(), header);
+                assert(err == OMX_ErrorNone);
+                break;
+            }
+
+            case omx_message::SEND_COMMAND:
+            {
+                NodeMeta *node_meta = static_cast<NodeMeta *>(
+                        msg.u.send_command_data.node);
+
+                OMX_ERRORTYPE err =
+                    OMX_SendCommand(
+                            node_meta->handle(), msg.u.send_command_data.cmd,
+                            msg.u.send_command_data.param, NULL);
+                assert(err == OMX_ErrorNone);
+                break;
+            }
+
+            case omx_message::DISCONNECT:
+            {
+                omx_message msg;
+                msg.type = omx_message::DISCONNECTED;
+                ssize_t n = send(mSock, &msg, sizeof(msg), 0);
+                assert(n > 0 && static_cast<size_t>(n) == sizeof(msg));
+                done = true;
+                break;
+            }
+
+            default:
+                LOGE("received unknown omx_message type %d", msg.type);
+                break;
+        }
+    }
+
+    Mutex::Autolock autoLock(mLock);
+    close(mSock);
+    mSock = -1;
+}
+#endif
+
+status_t OMX::list_nodes(List<String8> *list) {
+    OMX_MasterInit();  // XXX Put this somewhere else.
+
+    list->clear();
+
+    OMX_U32 index = 0;
+    char componentName[256];
+    while (OMX_MasterComponentNameEnum(componentName, sizeof(componentName), index)
+               == OMX_ErrorNone) {
+        list->push_back(String8(componentName));
+
+        ++index;
+    }
+
+    return OK;
+}
+
+status_t OMX::allocate_node(const char *name, node_id *node) {
+    Mutex::Autolock autoLock(mLock);
+
+    *node = 0;
+
+    OMX_MasterInit();  // XXX Put this somewhere else.
+
+    NodeMeta *meta = new NodeMeta(this);
+
+    OMX_HANDLETYPE handle;
+    OMX_ERRORTYPE err = OMX_MasterGetHandle(
+            &handle, const_cast<char *>(name), meta, &kCallbacks);
+
+    if (err != OMX_ErrorNone) {
+        LOGE("FAILED to allocate omx component '%s'", name);
+
+        delete meta;
+        meta = NULL;
+
+        return UNKNOWN_ERROR;
+    }
+
+    meta->setHandle(handle);
+
+    *node = meta;
+
+    return OK;
+}
+
+status_t OMX::free_node(node_id node) {
+    Mutex::Autolock autoLock(mLock);
+
+    NodeMeta *meta = static_cast<NodeMeta *>(node);
+
+    OMX_ERRORTYPE err = OMX_MasterFreeHandle(meta->handle());
+
+    delete meta;
+    meta = NULL;
+
+    return (err != OMX_ErrorNone) ? UNKNOWN_ERROR : OK;
+}
+
+status_t OMX::send_command(
+        node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) {
+    Mutex::Autolock autoLock(mLock);
+
+#if IOMX_USES_SOCKETS
+    if (mSock < 0) {
+        return UNKNOWN_ERROR;
+    }
+#endif
+
+    NodeMeta *meta = static_cast<NodeMeta *>(node);
+    OMX_ERRORTYPE err = OMX_SendCommand(meta->handle(), cmd, param, NULL);
+
+    return (err != OMX_ErrorNone) ? UNKNOWN_ERROR : OK;
+}
+
+status_t OMX::get_parameter(
+        node_id node, OMX_INDEXTYPE index,
+        void *params, size_t size) {
+    Mutex::Autolock autoLock(mLock);
+
+    NodeMeta *meta = static_cast<NodeMeta *>(node);
+    OMX_ERRORTYPE err = OMX_GetParameter(meta->handle(), index, params);
+
+    return (err != OMX_ErrorNone) ? UNKNOWN_ERROR : OK;
+}
+
+status_t OMX::set_parameter(
+        node_id node, OMX_INDEXTYPE index,
+        const void *params, size_t size) {
+    Mutex::Autolock autoLock(mLock);
+
+    NodeMeta *meta = static_cast<NodeMeta *>(node);
+    OMX_ERRORTYPE err =
+        OMX_SetParameter(meta->handle(), index, const_cast<void *>(params));
+
+    return (err != OMX_ErrorNone) ? UNKNOWN_ERROR : OK;
+}
+
+status_t OMX::use_buffer(
+        node_id node, OMX_U32 port_index, const sp<IMemory> &params,
+        buffer_id *buffer) {
+    Mutex::Autolock autoLock(mLock);
+
+    BufferMeta *buffer_meta = new BufferMeta(this, params);
+
+    OMX_BUFFERHEADERTYPE *header;
+
+    NodeMeta *node_meta = static_cast<NodeMeta *>(node);
+    OMX_ERRORTYPE err =
+        OMX_UseBuffer(node_meta->handle(), &header, port_index, buffer_meta,
+                      params->size(), static_cast<OMX_U8 *>(params->pointer()));
+
+    if (err != OMX_ErrorNone) {
+        LOGE("OMX_UseBuffer failed with error %d (0x%08x)", err, err);
+
+        delete buffer_meta;
+        buffer_meta = NULL;
+
+        *buffer = 0;
+        return UNKNOWN_ERROR;
+    }
+
+    *buffer = header;
+
+    return OK;
+}
+
+status_t OMX::allocate_buffer(
+        node_id node, OMX_U32 port_index, size_t size,
+        buffer_id *buffer) {
+    Mutex::Autolock autoLock(mLock);
+
+    BufferMeta *buffer_meta = new BufferMeta(this, size);
+
+    OMX_BUFFERHEADERTYPE *header;
+
+    NodeMeta *node_meta = static_cast<NodeMeta *>(node);
+    OMX_ERRORTYPE err =
+        OMX_AllocateBuffer(node_meta->handle(), &header, port_index,
+                           buffer_meta, size);
+
+    if (err != OMX_ErrorNone) {
+        delete buffer_meta;
+        buffer_meta = NULL;
+
+        *buffer = 0;
+        return UNKNOWN_ERROR;
+    }
+
+    *buffer = header;
+
+    return OK;
+}
+
+status_t OMX::allocate_buffer_with_backup(
+        node_id node, OMX_U32 port_index, const sp<IMemory> &params,
+        buffer_id *buffer) {
+    Mutex::Autolock autoLock(mLock);
+
+    BufferMeta *buffer_meta = new BufferMeta(this, params, true);
+
+    OMX_BUFFERHEADERTYPE *header;
+
+    NodeMeta *node_meta = static_cast<NodeMeta *>(node);
+    OMX_ERRORTYPE err =
+        OMX_AllocateBuffer(
+                node_meta->handle(), &header, port_index, buffer_meta,
+                params->size());
+
+    if (err != OMX_ErrorNone) {
+        delete buffer_meta;
+        buffer_meta = NULL;
+
+        *buffer = 0;
+        return UNKNOWN_ERROR;
+    }
+
+    *buffer = header;
+
+    return OK;
+}
+
+status_t OMX::free_buffer(node_id node, OMX_U32 port_index, buffer_id buffer) {
+    OMX_BUFFERHEADERTYPE *header = (OMX_BUFFERHEADERTYPE *)buffer;
+    BufferMeta *buffer_meta = static_cast<BufferMeta *>(header->pAppPrivate);
+
+    NodeMeta *node_meta = static_cast<NodeMeta *>(node);
+    OMX_ERRORTYPE err =
+        OMX_FreeBuffer(node_meta->handle(), port_index, header);
+
+    delete buffer_meta;
+    buffer_meta = NULL;
+
+    return (err != OMX_ErrorNone) ? UNKNOWN_ERROR : OK;
+}
+
+OMX_ERRORTYPE OMX::OnEvent(
+        NodeMeta *meta,
+        OMX_IN OMX_EVENTTYPE eEvent,
+        OMX_IN OMX_U32 nData1,
+        OMX_IN OMX_U32 nData2,
+        OMX_IN OMX_PTR pEventData) {
+    LOGV("OnEvent(%d, %ld, %ld)", eEvent, nData1, nData2);
+
+    omx_message msg;
+    msg.type = omx_message::EVENT;
+    msg.u.event_data.node = meta;
+    msg.u.event_data.event = eEvent;
+    msg.u.event_data.data1 = nData1;
+    msg.u.event_data.data2 = nData2;
+
+#if !IOMX_USES_SOCKETS
+    sp<IOMXObserver> observer = meta->observer();
+    if (observer.get() != NULL) {
+        observer->on_message(msg);
+    }
+#else
+    assert(mSock >= 0);
+
+    ssize_t n = send(mSock, &msg, sizeof(msg), 0);
+    assert(n > 0 && static_cast<size_t>(n) == sizeof(msg));
+#endif
+
+    return OMX_ErrorNone;
+}
+    
+OMX_ERRORTYPE OMX::OnEmptyBufferDone(
+        NodeMeta *meta, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer) {
+    LOGV("OnEmptyBufferDone buffer=%p", pBuffer);
+
+    omx_message msg;
+    msg.type = omx_message::EMPTY_BUFFER_DONE;
+    msg.u.buffer_data.node = meta;
+    msg.u.buffer_data.buffer = pBuffer;
+
+#if !IOMX_USES_SOCKETS
+    sp<IOMXObserver> observer = meta->observer();
+    if (observer.get() != NULL) {
+        observer->on_message(msg);
+    }
+#else
+    assert(mSock >= 0);
+    ssize_t n = send(mSock, &msg, sizeof(msg), 0);
+    assert(n > 0 && static_cast<size_t>(n) == sizeof(msg));
+#endif
+
+    return OMX_ErrorNone;
+}
+
+OMX_ERRORTYPE OMX::OnFillBufferDone(
+        NodeMeta *meta, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer) {
+    LOGV("OnFillBufferDone buffer=%p", pBuffer);
+    BufferMeta *buffer_meta = static_cast<BufferMeta *>(pBuffer->pAppPrivate);
+    buffer_meta->CopyFromOMX(pBuffer);
+
+    omx_message msg;
+    msg.type = omx_message::FILL_BUFFER_DONE;
+    msg.u.extended_buffer_data.node = meta;
+    msg.u.extended_buffer_data.buffer = pBuffer;
+    msg.u.extended_buffer_data.range_offset = pBuffer->nOffset;
+    msg.u.extended_buffer_data.range_length = pBuffer->nFilledLen;
+    msg.u.extended_buffer_data.flags = pBuffer->nFlags;
+    msg.u.extended_buffer_data.timestamp = pBuffer->nTimeStamp;
+    msg.u.extended_buffer_data.platform_private = pBuffer->pPlatformPrivate;
+
+#if !IOMX_USES_SOCKETS
+    sp<IOMXObserver> observer = meta->observer();
+    if (observer.get() != NULL) {
+        observer->on_message(msg);
+    }
+#else
+    assert(mSock >= 0);
+
+    ssize_t n = send(mSock, &msg, sizeof(msg), 0);
+    assert(n > 0 && static_cast<size_t>(n) == sizeof(msg));
+#endif
+
+    return OMX_ErrorNone;
+}
+
+#if !IOMX_USES_SOCKETS
+status_t OMX::observe_node(
+        node_id node, const sp<IOMXObserver> &observer) {
+    NodeMeta *node_meta = static_cast<NodeMeta *>(node);
+
+    node_meta->setObserver(observer);
+
+    return OK;
+}
+
+void OMX::fill_buffer(node_id node, buffer_id buffer) {
+    OMX_BUFFERHEADERTYPE *header = (OMX_BUFFERHEADERTYPE *)buffer;
+    header->nFilledLen = 0;
+    header->nOffset = 0;
+    header->nFlags = 0;
+
+    NodeMeta *node_meta = static_cast<NodeMeta *>(node);
+
+    OMX_ERRORTYPE err =
+        OMX_FillThisBuffer(node_meta->handle(), header);
+    assert(err == OMX_ErrorNone);
+}
+
+void OMX::empty_buffer(
+        node_id node,
+        buffer_id buffer,
+        OMX_U32 range_offset, OMX_U32 range_length,
+        OMX_U32 flags, OMX_TICKS timestamp) {
+    OMX_BUFFERHEADERTYPE *header = (OMX_BUFFERHEADERTYPE *)buffer;
+    header->nFilledLen = range_length;
+    header->nOffset = range_offset;
+    header->nFlags = flags;
+    header->nTimeStamp = timestamp;
+
+    BufferMeta *buffer_meta =
+        static_cast<BufferMeta *>(header->pAppPrivate);
+    buffer_meta->CopyToOMX(header);
+
+    NodeMeta *node_meta = static_cast<NodeMeta *>(node);
+
+    OMX_ERRORTYPE err =
+        OMX_EmptyThisBuffer(node_meta->handle(), header);
+    assert(err == OMX_ErrorNone);
+}
+#endif
+
+}  // namespace android
+

media/libstagefright/omx/OMX.h

@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_OMX_H_
+#define ANDROID_OMX_H_
+
+#include <pthread.h>
+
+#include <media/IOMX.h>
+#include <utils/threads.h>
+
+namespace android {
+
+class NodeMeta;
+
+class OMX : public BnOMX {
+public:
+    OMX();
+    virtual ~OMX();
+
+#if IOMX_USES_SOCKETS
+    virtual status_t connect(int *sd);
+#endif
+
+    virtual status_t list_nodes(List<String8> *list);
+
+    virtual status_t allocate_node(const char *name, node_id *node);
+    virtual status_t free_node(node_id node);
+
+    virtual status_t send_command(
+            node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param);
+
+    virtual status_t get_parameter(
+            node_id node, OMX_INDEXTYPE index,
+            void *params, size_t size);
+
+    virtual status_t set_parameter(
+            node_id node, OMX_INDEXTYPE index,
+            const void *params, size_t size);
+
+    virtual status_t use_buffer(
+            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
+            buffer_id *buffer);
+
+    virtual status_t allocate_buffer(
+            node_id node, OMX_U32 port_index, size_t size,
+            buffer_id *buffer);
+
+    virtual status_t allocate_buffer_with_backup(
+            node_id node, OMX_U32 port_index, const sp<IMemory> &params,
+            buffer_id *buffer);
+
+    virtual status_t free_buffer(
+            node_id node, OMX_U32 port_index, buffer_id buffer);
+
+#if !IOMX_USES_SOCKETS
+    virtual status_t observe_node(
+            node_id node, const sp<IOMXObserver> &observer);
+
+    virtual void fill_buffer(node_id node, buffer_id buffer);
+
+    virtual void empty_buffer(
+            node_id node,
+            buffer_id buffer,
+            OMX_U32 range_offset, OMX_U32 range_length,
+            OMX_U32 flags, OMX_TICKS timestamp);
+#endif
+
+private:
+    static OMX_CALLBACKTYPE kCallbacks;
+
+#if IOMX_USES_SOCKETS
+    int mSock;
+    pthread_t mThread;
+
+    static void *ThreadWrapper(void *me);
+    void threadEntry();
+#endif
+
+    Mutex mLock;
+
+    static OMX_ERRORTYPE OnEvent(
+            OMX_IN OMX_HANDLETYPE hComponent,
+            OMX_IN OMX_PTR pAppData,
+            OMX_IN OMX_EVENTTYPE eEvent,
+            OMX_IN OMX_U32 nData1,
+            OMX_IN OMX_U32 nData2,
+            OMX_IN OMX_PTR pEventData);
+
+    static OMX_ERRORTYPE OnEmptyBufferDone(
+            OMX_IN OMX_HANDLETYPE hComponent,
+            OMX_IN OMX_PTR pAppData,
+            OMX_IN OMX_BUFFERHEADERTYPE* pBuffer);
+
+    static OMX_ERRORTYPE OnFillBufferDone(
+            OMX_IN OMX_HANDLETYPE hComponent,
+            OMX_IN OMX_PTR pAppData,
+            OMX_IN OMX_BUFFERHEADERTYPE* pBuffer);
+
+    OMX_ERRORTYPE OnEvent(
+            NodeMeta *meta,
+            OMX_IN OMX_EVENTTYPE eEvent,
+            OMX_IN OMX_U32 nData1,
+            OMX_IN OMX_U32 nData2,
+            OMX_IN OMX_PTR pEventData);
+        
+    OMX_ERRORTYPE OnEmptyBufferDone(
+            NodeMeta *meta, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
+
+    OMX_ERRORTYPE OnFillBufferDone(
+            NodeMeta *meta, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer);
+
+    OMX(const OMX &);
+    OMX &operator=(const OMX &);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_OMX_H_

media/libstagefright/string.cpp

@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <media/stagefright/string.h>
+
+namespace android {
+
+// static
+string::size_type string::npos = (string::size_type)-1;
+
+string::string() {
+}
+
+string::string(const char *s, size_t length)
+    : mString(s, length) {
+}
+
+string::string(const string &from, size_type start, size_type length)
+    : mString(from.c_str() + start, length) {
+}
+
+string::string(const char *s)
+    : mString(s) {
+}
+
+const char *string::c_str() const {
+    return mString.string();
+}
+
+string::size_type string::size() const {
+    return mString.length();
+}
+
+void string::clear() {
+    mString = String8();
+}
+
+string::size_type string::find(char c) const {
+    char s[2];
+    s[0] = c;
+    s[1] = '\0';
+
+    ssize_t index = mString.find(s);
+
+    return index < 0 ? npos : (size_type)index;
+}
+
+bool string::operator<(const string &other) const {
+    return mString < other.mString;
+}
+
+bool string::operator==(const string &other) const {
+    return mString == other.mString;
+}
+
+string &string::operator+=(char c) {
+    mString.append(&c, 1);
+
+    return *this;
+}
+
+void string::erase(size_t from, size_t length) {
+    String8 s(mString.string(), from);
+    s.append(mString.string() + from + length);
+    
+    mString = s;
+}
+
+}  // namespace android
+