Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial check-in for xml-based encoder capabilities retrieval

Browse Source 
- Changed the Java API as suggested
- Treat /etc/media_profiles.xml as the default xml configurtion file
This commit is contained in:
James Dong
2010-01-19 17:45:38 -08:00
parent f5dbf6a62a
commit c371194e4e
7 changed files with 1345 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

303
include/media/MediaProfiles.h Normal file
View File

@@ -0,0 +1,303 @@
/*
**
** Copyright 2010, 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_MEDIAPROFILES_H
#define ANDROID_MEDIAPROFILES_H
#include <utils/threads.h>
#include <media/mediarecorder.h>
namespace android {
enum camcorder_quality {
CAMCORDER_QUALITY_HIGH = 0,
CAMCORDER_QUALITY_LOW = 1
};
enum video_decoder {
VIDEO_DECODER_WMV,
};
enum audio_decoder {
AUDIO_DECODER_WMA,
};
class MediaProfiles
{
public:
/**
* Returns the singleton instance for subsequence queries.
* or NULL if error.
*/
static MediaProfiles* getInstance();
/**
* Returns the value for the given param name at the given quality level,
* or -1 if error.
*
* Supported param name are:
* file.format - output file format. see mediarecorder.h for details
* codec.vid - video encoder. see mediarecorder.h for details.
* codec.aud - audio encoder. see mediarecorder.h for details.
* vid.width - video frame width
* vid.height - video frame height
* vid.fps - video frame rate
* vid.bps - video bit rate
* aud.bps - audio bit rate
* aud.hz - audio sample rate
* aud.ch - number of audio channels
*/
int getCamcorderProfileParamByName(const char *name, camcorder_quality quality) const;
/**
* Returns the output file formats supported.
*/
Vector<output_format> getOutputFileFormats() const;
/**
* Returns the video encoders supported.
*/
Vector<video_encoder> getVideoEncoders() const;
/**
* Returns the value for the given param name for the given video encoder
* returned from getVideoEncoderByIndex or -1 if error.
*
* Supported param name are:
* enc.vid.width.min - min video frame width
* enc.vid.width.max - max video frame width
* enc.vid.height.min - min video frame height
* enc.vid.height.max - max video frame height
* enc.vid.bps.min - min bit rate in bits per second
* enc.vid.bps.max - max bit rate in bits per second
* enc.vid.fps.min - min frame rate in frames per second
* enc.vid.fps.max - max frame rate in frames per second
*/
int getVideoEncoderParamByName(const char *name, video_encoder codec) const;
/**
* Returns the audio encoders supported.
*/
Vector<audio_encoder> getAudioEncoders() const;
/**
* Returns the value for the given param name for the given audio encoder
* returned from getAudioEncoderByIndex or -1 if error.
*
* Supported param name are:
* enc.aud.ch.min - min number of channels
* enc.aud.ch.max - max number of channels
* enc.aud.bps.min - min bit rate in bits per second
* enc.aud.bps.max - max bit rate in bits per second
* enc.aud.hz.min - min sample rate in samples per second
* enc.aud.hz.max - max sample rate in samples per second
*/
int getAudioEncoderParamByName(const char *name, audio_encoder codec) const;
/**
* Returns the video decoders supported.
*/
Vector<video_decoder> getVideoDecoders() const;
/**
* Returns the audio decoders supported.
*/
Vector<audio_decoder> getAudioDecoders() const;
private:
MediaProfiles& operator=(const MediaProfiles&); // Don't call me
MediaProfiles(const MediaProfiles&); // Don't call me
MediaProfiles() {} // Dummy default constructor
~MediaProfiles(); // Don't delete me
struct VideoCodec {
VideoCodec(video_encoder codec, int bitRate, int frameWidth, int frameHeight, int frameRate)
: mCodec(codec),
mBitRate(bitRate),
mFrameWidth(frameWidth),
mFrameHeight(frameHeight),
mFrameRate(frameRate) {}
~VideoCodec() {}
video_encoder mCodec;
int mBitRate;
int mFrameWidth;
int mFrameHeight;
int mFrameRate;
};
struct AudioCodec {
AudioCodec(audio_encoder codec, int bitRate, int sampleRate, int channels)
: mCodec(codec),
mBitRate(bitRate),
mSampleRate(sampleRate),
mChannels(channels) {}
~AudioCodec() {}
audio_encoder mCodec;
int mBitRate;
int mSampleRate;
int mChannels;
};
struct CamcorderProfile {
CamcorderProfile()
: mFileFormat(OUTPUT_FORMAT_THREE_GPP),
mQuality(CAMCORDER_QUALITY_HIGH),
mDuration(0),
mVideoCodec(0),
mAudioCodec(0) {}
~CamcorderProfile() {
delete mVideoCodec;
delete mAudioCodec;
}
output_format mFileFormat;
camcorder_quality mQuality;
int mDuration;
VideoCodec *mVideoCodec;
AudioCodec *mAudioCodec;
};
struct VideoEncoderCap {
// Ugly constructor
VideoEncoderCap(video_encoder codec,
int minBitRate, int maxBitRate,
int minFrameWidth, int maxFrameWidth,
int minFrameHeight, int maxFrameHeight,
int minFrameRate, int maxFrameRate)
: mCodec(codec),
mMinBitRate(minBitRate), mMaxBitRate(maxBitRate),
mMinFrameWidth(minFrameWidth), mMaxFrameWidth(maxFrameWidth),
mMinFrameHeight(minFrameHeight), mMaxFrameHeight(maxFrameHeight),
mMinFrameRate(minFrameRate), mMaxFrameRate(maxFrameRate) {}
~VideoEncoderCap() {}
video_encoder mCodec;
int mMinBitRate, mMaxBitRate;
int mMinFrameWidth, mMaxFrameWidth;
int mMinFrameHeight, mMaxFrameHeight;
int mMinFrameRate, mMaxFrameRate;
};
struct AudioEncoderCap {
// Ugly constructor
AudioEncoderCap(audio_encoder codec,
int minBitRate, int maxBitRate,
int minSampleRate, int maxSampleRate,
int minChannels, int maxChannels)
: mCodec(codec),
mMinBitRate(minBitRate), mMaxBitRate(maxBitRate),
mMinSampleRate(minSampleRate), mMaxSampleRate(maxSampleRate),
mMinChannels(minChannels), mMaxChannels(maxChannels) {}
~AudioEncoderCap() {}
audio_encoder mCodec;
int mMinBitRate, mMaxBitRate;
int mMinSampleRate, mMaxSampleRate;
int mMinChannels, mMaxChannels;
};
struct VideoDecoderCap {
VideoDecoderCap(video_decoder codec): mCodec(codec) {}
~VideoDecoderCap() {}
video_decoder mCodec;
};
struct AudioDecoderCap {
AudioDecoderCap(audio_decoder codec): mCodec(codec) {}
~AudioDecoderCap() {}
audio_decoder mCodec;
};
struct NameToTagMap {
const char* name;
int tag;
};
// Debug
static void logVideoCodec(const VideoCodec& codec);
static void logAudioCodec(const AudioCodec& codec);
static void logVideoEncoderCap(const VideoEncoderCap& cap);
static void logAudioEncoderCap(const AudioEncoderCap& cap);
static void logVideoDecoderCap(const VideoDecoderCap& cap);
static void logAudioDecoderCap(const AudioDecoderCap& cap);
// If the xml configuration file does exist, use the settings
// from the xml
static MediaProfiles* createInstanceFromXmlFile(const char *xml);
static output_format createEncoderOutputFileFormat(const char **atts);
static VideoCodec* createVideoCodec(const char **atts, MediaProfiles *profiles);
static AudioCodec* createAudioCodec(const char **atts, MediaProfiles *profiles);
static AudioDecoderCap* createAudioDecoderCap(const char **atts);
static VideoDecoderCap* createVideoDecoderCap(const char **atts);
static VideoEncoderCap* createVideoEncoderCap(const char **atts);
static AudioEncoderCap* createAudioEncoderCap(const char **atts);
static CamcorderProfile* createCamcorderProfile(const char **atts);
// Customized element tag handler for parsing the xml configuration file.
static void startElementHandler(void *userData, const char *name, const char **atts);
// If the xml configuration file does not exist, use hard-coded values
static MediaProfiles* createDefaultInstance();
static CamcorderProfile *createDefaultCamcorderLowProfile();
static CamcorderProfile *createDefaultCamcorderHighProfile();
static void createDefaultCamcorderProfiles(MediaProfiles *profiles);
static void createDefaultVideoEncoders(MediaProfiles *profiles);
static void createDefaultAudioEncoders(MediaProfiles *profiles);
static void createDefaultVideoDecoders(MediaProfiles *profiles);
static void createDefaultAudioDecoders(MediaProfiles *profiles);
static void createDefaultEncoderOutputFileFormats(MediaProfiles *profiles);
static VideoEncoderCap* createDefaultH263VideoEncoderCap();
static VideoEncoderCap* createDefaultM4vVideoEncoderCap();
static AudioEncoderCap* createDefaultAmrNBEncoderCap();
static int findTagForName(const NameToTagMap *map, size_t nMappings, const char *name);
// Mappings from name (for instance, codec name) to enum value
static const NameToTagMap sVideoEncoderNameMap[];
static const NameToTagMap sAudioEncoderNameMap[];
static const NameToTagMap sFileFormatMap[];
static const NameToTagMap sVideoDecoderNameMap[];
static const NameToTagMap sAudioDecoderNameMap[];
static const NameToTagMap sCamcorderQualityNameMap[];
static bool sIsInitialized;
static MediaProfiles *sInstance;
static Mutex sLock;
Vector<CamcorderProfile*> mCamcorderProfiles;
Vector<AudioEncoderCap*> mAudioEncoders;
Vector<VideoEncoderCap*> mVideoEncoders;
Vector<AudioDecoderCap*> mAudioDecoders;
Vector<VideoDecoderCap*> mVideoDecoders;
Vector<output_format> mEncoderOutputFileFormats;
};
}; // namespace android
#endif // ANDROID_MEDIAPROFILES_H

164
media/java/android/media/EncoderCapabilities.java Normal file
View File

@@ -0,0 +1,164 @@
/*
* Copyright (C) 2010 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.
*/
package android.media;
import java.util.List;
import java.util.ArrayList;
import android.util.Log;
/**
* The EncoderCapabilities class is used to retrieve the
* capabilities for different video and audio
* encoders supported on a specific Android platform.
* {@hide}
*/
public class EncoderCapabilities
{
private static final String TAG = "EncoderCapabilities";
/**
* The VideoEncoderCap class represents a video encoder's
* supported parameter range in:
*
* <ul>
* <li>Resolution: the frame size (width/height) in pixels;
* <li>Bit rate: the compressed output bit rate in bits per second;
* <li>Frame rate: the output number of frames per second.
* </ul>
*
*/
static public class VideoEncoderCap {
// These are not modifiable externally, thus are public accessible
public final int mCodec; // @see android.media.MediaRecorder.VideoEncoder
public final int mMinBitRate, mMaxBitRate; // min and max bit rate (bps)
public final int mMinFrameRate, mMaxFrameRate; // min and max frame rate (fps)
public final int mMinFrameWidth, mMaxFrameWidth; // min and max frame width (pixel)
public final int mMinFrameHeight, mMaxFrameHeight; // minn and max frame height (pixel)
// Private constructor called by JNI
private VideoEncoderCap(int codec,
int minBitRate, int maxBitRate,
int minFrameRate, int maxFrameRate,
int minFrameWidth, int maxFrameWidth,
int minFrameHeight, int maxFrameHeight) {
mCodec = codec;
mMinBitRate = minBitRate;
mMaxBitRate = maxBitRate;
mMinFrameRate = minFrameRate;
mMaxFrameRate = maxFrameRate;
mMinFrameWidth = minFrameWidth;
mMaxFrameWidth = maxFrameWidth;
mMinFrameHeight = minFrameHeight;
mMaxFrameHeight = maxFrameHeight;
}
};
/**
* The AudioEncoderCap class represents an audio encoder's
* parameter range in:
*
* <ul>
* <li>Bit rate: the compressed output bit rate in bits per second;
* <li>Sample rate: the sampling rate used for recording the audio in samples per second;
* <li>Number of channels: the number of channels the audio is recorded.
* </ul>
*
*/
static public class AudioEncoderCap {
// These are not modifiable externally, thus are public accessible
public final int mCodec; // @see android.media.MediaRecorder.AudioEncoder
public final int mMinChannels, mMaxChannels; // min and max number of channels
public final int mMinSampleRate, mMaxSampleRate; // min and max sample rate (hz)
public final int mMinBitRate, mMaxBitRate; // min and max bit rate (bps)
// Private constructor called by JNI
private AudioEncoderCap(int codec,
int minBitRate, int maxBitRate,
int minSampleRate, int maxSampleRate,
int minChannels, int maxChannels) {
mCodec = codec;
mMinBitRate = minBitRate;
mMaxBitRate = maxBitRate;
mMinSampleRate = minSampleRate;
mMaxSampleRate = maxSampleRate;
mMinChannels = minChannels;
mMaxChannels = maxChannels;
}
};
static {
System.loadLibrary("media_jni");
native_init();
}
/**
* Returns the array of supported output file formats.
* @see android.media.MediaRecorder.OutputFormat
*/
public static int[] getOutputFileFormats() {
int nFormats = native_get_num_file_formats();
if (nFormats == 0) return null;
int[] formats = new int[nFormats];
for (int i = 0; i < nFormats; ++i) {
formats[i] = native_get_file_format(i);
}
return formats;
}
/**
* Returns the capabilities of the supported video encoders.
* @see android.media.EncoderCapabilities.VideoEncoderCap
*/
public static List<VideoEncoderCap> getVideoEncoders() {
int nEncoders = native_get_num_video_encoders();
if (nEncoders == 0) return null;
List<VideoEncoderCap> encoderList = new ArrayList<VideoEncoderCap>();
for (int i = 0; i < nEncoders; ++i) {
encoderList.add(native_get_video_encoder_cap(i));
}
return encoderList;
}
/**
* Returns the capabilities of the supported audio encoders.
* @see android.media.EncoderCapabilities.AudioEncoderCap
*/
public static List<AudioEncoderCap> getAudioEncoders() {
int nEncoders = native_get_num_audio_encoders();
if (nEncoders == 0) return null;
List<AudioEncoderCap> encoderList = new ArrayList<AudioEncoderCap>();
for (int i = 0; i < nEncoders; ++i) {
encoderList.add(native_get_audio_encoder_cap(i));
}
return encoderList;
}
private EncoderCapabilities() {} // Don't call me
// Implemented by JNI
private static native final void native_init();
private static native final int native_get_num_file_formats();
private static native final int native_get_file_format(int index);
private static native final int native_get_num_video_encoders();
private static native final VideoEncoderCap native_get_video_encoder_cap(int index);
private static native final int native_get_num_audio_encoders();
private static native final AudioEncoderCap native_get_audio_encoder_cap(int index);
}

3
media/jni/Android.mk
View File

@@ -10,7 +10,8 @@ LOCAL_SRC_FILES:= \
android_media_MediaRecorder.cpp \
android_media_MediaScanner.cpp \
android_media_MediaMetadataRetriever.cpp \
android_media_ResampleInputStream.cpp
android_media_ResampleInputStream.cpp \
android_media_MediaProfiles.cpp
LOCAL_SHARED_LIBRARIES := \
libandroid_runtime \

6
media/jni/android_media_MediaPlayer.cpp
View File

@@ -739,6 +739,7 @@ extern int register_android_media_MediaMetadataRetriever(JNIEnv *env);
extern int register_android_media_MediaRecorder(JNIEnv *env);
extern int register_android_media_MediaScanner(JNIEnv *env);
extern int register_android_media_ResampleInputStream(JNIEnv *env);
extern int register_android_media_MediaProfiles(JNIEnv *env);
#ifndef NO_OPENCORE
extern int register_android_media_AmrInputStream(JNIEnv *env);
@@ -787,6 +788,11 @@ jint JNI_OnLoad(JavaVM* vm, void* reserved)
goto bail;
}
if (register_android_media_MediaProfiles(env) < 0) {
LOGE("ERROR: MediaProfiles native registration failed");
goto bail;
}
/* success -- return valid version number */
result = JNI_VERSION_1_4;

187
media/jni/android_media_MediaProfiles.cpp Normal file
View File

@@ -0,0 +1,187 @@
/*
* Copyright (C) 2010 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 "MediaProfilesJNI"
#include <utils/Log.h>
#include <stdio.h>
#include <utils/threads.h>
#include "jni.h"
#include "JNIHelp.h"
#include "android_runtime/AndroidRuntime.h"
#include <media/MediaProfiles.h>
using namespace android;
static Mutex sLock;
MediaProfiles *sProfiles = NULL;
// This function is called from a static block in MediaProfiles.java class,
// which won't run until the first time an instance of this class is used.
static void
android_media_MediaProfiles_native_init(JNIEnv *env)
{
LOGV("native_init");
Mutex::Autolock lock(sLock);
if (sProfiles == NULL) {
sProfiles = MediaProfiles::getInstance();
}
}
static int
android_media_MediaProfiles_native_get_num_file_formats(JNIEnv *env, jobject thiz)
{
LOGV("native_get_num_file_formats");
return sProfiles->getOutputFileFormats().size();
}
static int
android_media_MediaProfiles_native_get_file_format(JNIEnv *env, jobject thiz, jint index)
{
LOGV("native_get_file_format: %d", index);
Vector<output_format> formats = sProfiles->getOutputFileFormats();
int nSize = formats.size();
if (index < 0 || index >= nSize) {
jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
return -1;
}
int format = static_cast<int>(formats[index]);
return format;
}
static int
android_media_MediaProfiles_native_get_num_video_encoders(JNIEnv *env, jobject thiz)
{
LOGV("native_get_num_video_encoders");
return sProfiles->getVideoEncoders().size();
}
static jobject
android_media_MediaProfiles_native_get_video_encoder_cap(JNIEnv *env, jobject thiz, jint index)
{
LOGV("native_get_video_encoder_cap: %d", index);
Vector<video_encoder> encoders = sProfiles->getVideoEncoders();
int nSize = encoders.size();
if (index < 0 || index >= nSize) {
jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
return NULL;
}
video_encoder encoder = encoders[index];
int minBitRate = sProfiles->getVideoEncoderParamByName("enc.vid.bps.min", encoder);
int maxBitRate = sProfiles->getVideoEncoderParamByName("enc.vid.bps.max", encoder);
int minFrameRate = sProfiles->getVideoEncoderParamByName("enc.vid.fps.min", encoder);
int maxFrameRate = sProfiles->getVideoEncoderParamByName("enc.vid.fps.max", encoder);
int minFrameWidth = sProfiles->getVideoEncoderParamByName("enc.vid.width.min", encoder);
int maxFrameWidth = sProfiles->getVideoEncoderParamByName("enc.vid.width.max", encoder);
int minFrameHeight = sProfiles->getVideoEncoderParamByName("enc.vid.height.min", encoder);
int maxFrameHeight = sProfiles->getVideoEncoderParamByName("enc.vid.height.max", encoder);
// Check on the values retrieved
if ((minBitRate == -1 || maxBitRate == -1) ||
(minFrameRate == -1 || maxFrameRate == -1) ||
(minFrameWidth == -1 || maxFrameWidth == -1) ||
(minFrameHeight == -1 || maxFrameHeight == -1)) {
jniThrowException(env, "java/lang/RuntimeException", "Error retrieving video encoder capability params");
return NULL;
}
// Construct an instance of the VideoEncoderCap and set its member variables
jclass videoEncoderCapClazz = env->FindClass("android/media/EncoderCapabilities$VideoEncoderCap");
jmethodID videoEncoderCapConstructorMethodID = env->GetMethodID(videoEncoderCapClazz, "<init>", "(IIIIIIIII)V");
jobject cap = env->NewObject(videoEncoderCapClazz,
videoEncoderCapConstructorMethodID,
static_cast<int>(encoder),
minBitRate, maxBitRate,
minFrameRate, maxFrameRate,
minFrameWidth, maxFrameWidth,
minFrameHeight, maxFrameHeight);
return cap;
}
static int
android_media_MediaProfiles_native_get_num_audio_encoders(JNIEnv *env, jobject thiz)
{
LOGV("native_get_num_audio_encoders");
return sProfiles->getAudioEncoders().size();
}
static jobject
android_media_MediaProfiles_native_get_audio_encoder_cap(JNIEnv *env, jobject thiz, jint index)
{
LOGV("native_get_audio_encoder_cap: %d", index);
Vector<audio_encoder> encoders = sProfiles->getAudioEncoders();
int nSize = encoders.size();
if (index < 0 || index >= nSize) {
jniThrowException(env, "java/lang/IllegalArgumentException", "out of array boundary");
return NULL;
}
audio_encoder encoder = encoders[index];
int minBitRate = sProfiles->getAudioEncoderParamByName("enc.aud.bps.min", encoder);
int maxBitRate = sProfiles->getAudioEncoderParamByName("enc.aud.bps.max", encoder);
int minSampleRate = sProfiles->getAudioEncoderParamByName("enc.aud.hz.min", encoder);
int maxSampleRate = sProfiles->getAudioEncoderParamByName("enc.aud.hz.max", encoder);
int minChannels = sProfiles->getAudioEncoderParamByName("enc.aud.ch.min", encoder);
int maxChannels = sProfiles->getAudioEncoderParamByName("enc.aud.ch.max", encoder);
// Check on the values retrieved
if ((minBitRate == -1 || maxBitRate == -1) ||
(minSampleRate == -1 || maxSampleRate == -1) ||
(minChannels == -1 || maxChannels == -1)) {
jniThrowException(env, "java/lang/RuntimeException", "Error retrieving video encoder capability params");
return NULL;
}
jclass audioEncoderCapClazz = env->FindClass("android/media/EncoderCapabilities$AudioEncoderCap");
jmethodID audioEncoderCapConstructorMethodID = env->GetMethodID(audioEncoderCapClazz, "<init>", "(IIIIIII)V");
jobject cap = env->NewObject(audioEncoderCapClazz,
audioEncoderCapConstructorMethodID,
static_cast<int>(encoder),
minBitRate, maxBitRate,
minSampleRate, maxSampleRate,
minChannels, maxChannels);
return cap;
}
static JNINativeMethod gMethods[] = {
{"native_init", "()V", (void *)android_media_MediaProfiles_native_init},
{"native_get_num_file_formats", "()I", (void *)android_media_MediaProfiles_native_get_num_file_formats},
{"native_get_file_format", "(I)I", (void *)android_media_MediaProfiles_native_get_file_format},
{"native_get_num_video_encoders", "()I", (void *)android_media_MediaProfiles_native_get_num_video_encoders},
{"native_get_num_audio_encoders", "()I", (void *)android_media_MediaProfiles_native_get_num_audio_encoders},
{"native_get_video_encoder_cap", "(I)Landroid/media/EncoderCapabilities$VideoEncoderCap;",
(void *)android_media_MediaProfiles_native_get_video_encoder_cap},
{"native_get_audio_encoder_cap", "(I)Landroid/media/EncoderCapabilities$AudioEncoderCap;",
(void *)android_media_MediaProfiles_native_get_audio_encoder_cap},
};
static const char* const kClassPathName = "android/media/MediaProfiles";
// This function only registers the native methods, and is called from
// JNI_OnLoad in android_media_MediaPlayer.cpp
int register_android_media_MediaProfiles(JNIEnv *env)
{
return AndroidRuntime::registerNativeMethods(env,
"android/media/EncoderCapabilities", gMethods, NELEM(gMethods));
}

14
media/libmedia/Android.mk
View File

@@ -25,10 +25,11 @@ LOCAL_SRC_FILES:= \
MediaScanner.cpp \
MediaScannerClient.cpp \
autodetect.cpp \
IMediaDeathNotifier.cpp
IMediaDeathNotifier.cpp \
MediaProfiles.cpp
LOCAL_SHARED_LIBRARIES := \
libui libcutils libutils libbinder libsonivox libicuuc
libui libcutils libutils libbinder libsonivox libicuuc libexpat
LOCAL_MODULE:= libmedia
@@ -43,10 +44,11 @@ endif
LOCAL_C_INCLUDES := \
$(JNI_H_INCLUDE) \
$(call include-path-for, graphics corecg) \
$(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include \
external/speex/include \
external/speex/libspeex \
external/icu4c/common
$(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include \
external/speex/include \
external/speex/libspeex \
external/icu4c/common \
external/expat/lib
LOCAL_STATIC_LIBRARIES := libspeex

675
media/libmedia/MediaProfiles.cpp Normal file
View File

@@ -0,0 +1,675 @@
/*
**
** Copyright 2010, 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 "MediaProfiles"
#include <stdlib.h>
#include <utils/Log.h>
#include <utils/Vector.h>
#include <cutils/properties.h>
#include <expat.h>
#include <media/MediaProfiles.h>
#include <media/stagefright/MediaDebug.h>
namespace android {
Mutex MediaProfiles::sLock;
bool MediaProfiles::sIsInitialized = false;
MediaProfiles *MediaProfiles::sInstance = NULL;
const MediaProfiles::NameToTagMap MediaProfiles::sVideoEncoderNameMap[] = {
{"h263", VIDEO_ENCODER_H263},
{"h264", VIDEO_ENCODER_H264},
{"m4v", VIDEO_ENCODER_MPEG_4_SP}
};
const MediaProfiles::NameToTagMap MediaProfiles::sAudioEncoderNameMap[] = {
{"amrnb", AUDIO_ENCODER_AMR_NB},
{"amrwb", AUDIO_ENCODER_AMR_WB},
{"aac", AUDIO_ENCODER_AAC},
};
const MediaProfiles::NameToTagMap MediaProfiles::sFileFormatMap[] = {
{"3gp", OUTPUT_FORMAT_THREE_GPP},
{"mp4", OUTPUT_FORMAT_MPEG_4}
};
const MediaProfiles::NameToTagMap MediaProfiles::sVideoDecoderNameMap[] = {
{"wmv", VIDEO_DECODER_WMV}
};
const MediaProfiles::NameToTagMap MediaProfiles::sAudioDecoderNameMap[] = {
{"wma", AUDIO_DECODER_WMA}
};
const MediaProfiles::NameToTagMap MediaProfiles::sCamcorderQualityNameMap[] = {
{"high", CAMCORDER_QUALITY_HIGH},
{"low", CAMCORDER_QUALITY_LOW}
};
/*static*/ void
MediaProfiles::logVideoCodec(const MediaProfiles::VideoCodec& codec)
{
LOGV("video codec:");
LOGV("codec = %d", codec.mCodec);
LOGV("bit rate: %d", codec.mBitRate);
LOGV("frame width: %d", codec.mFrameWidth);
LOGV("frame height: %d", codec.mFrameHeight);
LOGV("frame rate: %d", codec.mFrameRate);
}
/*static*/ void
MediaProfiles::logAudioCodec(const MediaProfiles::AudioCodec& codec)
{
LOGV("audio codec:");
LOGV("codec = %d", codec.mCodec);
LOGV("bit rate: %d", codec.mBitRate);
LOGV("sample rate: %d", codec.mSampleRate);
LOGV("number of channels: %d", codec.mChannels);
}
/*static*/ void
MediaProfiles::logVideoEncoderCap(const MediaProfiles::VideoEncoderCap& cap)
{
LOGV("video encoder cap:");
LOGV("codec = %d", cap.mCodec);
LOGV("bit rate: min = %d and max = %d", cap.mMinBitRate, cap.mMaxBitRate);
LOGV("frame width: min = %d and max = %d", cap.mMinFrameWidth, cap.mMaxFrameWidth);
LOGV("frame height: min = %d and max = %d", cap.mMinFrameHeight, cap.mMaxFrameHeight);
LOGV("frame rate: min = %d and max = %d", cap.mMinFrameRate, cap.mMaxFrameRate);
}
/*static*/ void
MediaProfiles::logAudioEncoderCap(const MediaProfiles::AudioEncoderCap& cap)
{
LOGV("audio encoder cap:");
LOGV("codec = %d", cap.mCodec);
LOGV("bit rate: min = %d and max = %d", cap.mMinBitRate, cap.mMaxBitRate);
LOGV("sample rate: min = %d and max = %d", cap.mMinSampleRate, cap.mMaxSampleRate);
LOGV("number of channels: min = %d and max = %d", cap.mMinChannels, cap.mMaxChannels);
}
/*static*/ void
MediaProfiles::logVideoDecoderCap(const MediaProfiles::VideoDecoderCap& cap)
{
LOGV("video decoder cap:");
LOGV("codec = %d", cap.mCodec);
}
/*static*/ void
MediaProfiles::logAudioDecoderCap(const MediaProfiles::AudioDecoderCap& cap)
{
LOGV("audio codec cap:");
LOGV("codec = %d", cap.mCodec);
}
/*static*/ int
MediaProfiles::findTagForName(const MediaProfiles::NameToTagMap *map, size_t nMappings, const char *name)
{
int tag = -1;
for (size_t i = 0; i < nMappings; ++i) {
if (!strcmp(map[i].name, name)) {
tag = map[i].tag;
break;
}
}
return tag;
}
/*static*/ MediaProfiles::VideoCodec*
MediaProfiles::createVideoCodec(const char **atts, MediaProfiles *profiles)
{
CHECK(!strcmp("codec", atts[0]) &&
!strcmp("bitRate", atts[2]) &&
!strcmp("width", atts[4]) &&
!strcmp("height", atts[6]) &&
!strcmp("frameRate", atts[8]));
const size_t nMappings = sizeof(sVideoEncoderNameMap)/sizeof(sVideoEncoderNameMap[0]);
const int codec = findTagForName(sVideoEncoderNameMap, nMappings, atts[1]);
CHECK(codec != -1);
MediaProfiles::VideoCodec *videoCodec =
new MediaProfiles::VideoCodec(static_cast<video_encoder>(codec),
atoi(atts[3]), atoi(atts[5]), atoi(atts[7]), atoi(atts[9]));
logVideoCodec(*videoCodec);
size_t nCamcorderProfiles;
CHECK((nCamcorderProfiles = profiles->mCamcorderProfiles.size()) >= 1);
profiles->mCamcorderProfiles[nCamcorderProfiles - 1]->mVideoCodec = videoCodec;
return videoCodec;
}
/*static*/ MediaProfiles::AudioCodec*
MediaProfiles::createAudioCodec(const char **atts, MediaProfiles *profiles)
{
CHECK(!strcmp("codec", atts[0]) &&
!strcmp("bitRate", atts[2]) &&
!strcmp("sampleRate", atts[4]) &&
!strcmp("channels", atts[6]));
const size_t nMappings = sizeof(sAudioEncoderNameMap)/sizeof(sAudioEncoderNameMap[0]);
const int codec = findTagForName(sAudioEncoderNameMap, nMappings, atts[1]);
CHECK(codec != -1);
MediaProfiles::AudioCodec *audioCodec =
new MediaProfiles::AudioCodec(static_cast<audio_encoder>(codec),
atoi(atts[3]), atoi(atts[5]), atoi(atts[7]));
logAudioCodec(*audioCodec);
size_t nCamcorderProfiles;
CHECK((nCamcorderProfiles = profiles->mCamcorderProfiles.size()) >= 1);
profiles->mCamcorderProfiles[nCamcorderProfiles - 1]->mAudioCodec = audioCodec;
return audioCodec;
}
/*static*/ MediaProfiles::AudioDecoderCap*
MediaProfiles::createAudioDecoderCap(const char **atts)
{
CHECK(!strcmp("name", atts[0]) &&
!strcmp("enabled", atts[2]));
const size_t nMappings = sizeof(sAudioDecoderNameMap)/sizeof(sAudioDecoderNameMap[0]);
const int codec = findTagForName(sAudioDecoderNameMap, nMappings, atts[1]);
CHECK(codec != -1);
MediaProfiles::AudioDecoderCap *cap =
new MediaProfiles::AudioDecoderCap(static_cast<audio_decoder>(codec));
logAudioDecoderCap(*cap);
return cap;
}
/*static*/ MediaProfiles::VideoDecoderCap*
MediaProfiles::createVideoDecoderCap(const char **atts)
{
CHECK(!strcmp("name", atts[0]) &&
!strcmp("enabled", atts[2]));
const size_t nMappings = sizeof(sVideoDecoderNameMap)/sizeof(sVideoDecoderNameMap[0]);
const int codec = findTagForName(sVideoDecoderNameMap, nMappings, atts[1]);
CHECK(codec != -1);
MediaProfiles::VideoDecoderCap *cap =
new MediaProfiles::VideoDecoderCap(static_cast<video_decoder>(codec));
logVideoDecoderCap(*cap);
return cap;
}
/*static*/ MediaProfiles::VideoEncoderCap*
MediaProfiles::createVideoEncoderCap(const char **atts)
{
CHECK(!strcmp("name", atts[0]) &&
!strcmp("enabled", atts[2]) &&
!strcmp("minBitRate", atts[4]) &&
!strcmp("maxBitRate", atts[6]) &&
!strcmp("minFrameWidth", atts[8]) &&
!strcmp("maxFrameWidth", atts[10]) &&
!strcmp("minFrameHeight", atts[12]) &&
!strcmp("maxFrameHeight", atts[14]) &&
!strcmp("minFrameRate", atts[16]) &&
!strcmp("maxFrameRate", atts[18]));
const size_t nMappings = sizeof(sVideoEncoderNameMap)/sizeof(sVideoEncoderNameMap[0]);
const int codec = findTagForName(sVideoEncoderNameMap, nMappings, atts[1]);
CHECK(codec != -1);
MediaProfiles::VideoEncoderCap *cap =
new MediaProfiles::VideoEncoderCap(static_cast<video_encoder>(codec),
atoi(atts[5]), atoi(atts[7]), atoi(atts[9]), atoi(atts[11]), atoi(atts[13]),
atoi(atts[15]), atoi(atts[17]), atoi(atts[19]));
logVideoEncoderCap(*cap);
return cap;
}
/*static*/ MediaProfiles::AudioEncoderCap*
MediaProfiles::createAudioEncoderCap(const char **atts)
{
CHECK(!strcmp("name", atts[0]) &&
!strcmp("enabled", atts[2]) &&
!strcmp("minBitRate", atts[4]) &&
!strcmp("maxBitRate", atts[6]) &&
!strcmp("minSampleRate", atts[8]) &&
!strcmp("maxSampleRate", atts[10]) &&
!strcmp("minChannels", atts[12]) &&
!strcmp("maxChannels", atts[14]));
const size_t nMappings = sizeof(sAudioEncoderNameMap)/sizeof(sAudioEncoderNameMap[0]);
const int codec = findTagForName(sAudioEncoderNameMap, nMappings, atts[1]);
CHECK(codec != -1);
MediaProfiles::AudioEncoderCap *cap =
new MediaProfiles::AudioEncoderCap(static_cast<audio_encoder>(codec), atoi(atts[5]), atoi(atts[7]),
atoi(atts[9]), atoi(atts[11]), atoi(atts[13]),
atoi(atts[15]));
logAudioEncoderCap(*cap);
return cap;
}
/*static*/ output_format
MediaProfiles::createEncoderOutputFileFormat(const char **atts)
{
CHECK(!strcmp("name", atts[0]));
const size_t nMappings =sizeof(sFileFormatMap)/sizeof(sFileFormatMap[0]);
const int format = findTagForName(sFileFormatMap, nMappings, atts[1]);
CHECK(format != -1);
return static_cast<output_format>(format);
}
/*static*/ MediaProfiles::CamcorderProfile*
MediaProfiles::createCamcorderProfile(const char **atts)
{
CHECK(!strcmp("quality", atts[0]) &&
!strcmp("fileFormat", atts[2]) &&
!strcmp("duration", atts[4]));
const size_t nProfileMappings = sizeof(sCamcorderQualityNameMap)/sizeof(sCamcorderQualityNameMap[0]);
const int quality = findTagForName(sCamcorderQualityNameMap, nProfileMappings, atts[1]);
CHECK(quality != -1);
const size_t nFormatMappings = sizeof(sFileFormatMap)/sizeof(sFileFormatMap[0]);
const int fileFormat = findTagForName(sFileFormatMap, nFormatMappings, atts[3]);
CHECK(fileFormat != -1);
MediaProfiles::CamcorderProfile *profile = new MediaProfiles::CamcorderProfile;
profile->mFileFormat = static_cast<output_format>(fileFormat);
profile->mQuality = static_cast<camcorder_quality>(quality);
profile->mDuration = atoi(atts[5]);
return profile;
}
/*static*/ void
MediaProfiles::startElementHandler(void *userData, const char *name, const char **atts)
{
MediaProfiles *profiles = (MediaProfiles *) userData;
if (strcmp("Video", name) == 0) {
createVideoCodec(atts, profiles);
} else if (strcmp("Audio", name) == 0) {
createAudioCodec(atts, profiles);
} else if (strcmp("VideoEncoderCap", name) == 0 &&
strcmp("true", atts[3]) == 0) {
profiles->mVideoEncoders.add(createVideoEncoderCap(atts));
} else if (strcmp("AudioEncoderCap", name) == 0 &&
strcmp("true", atts[3]) == 0) {
profiles->mAudioEncoders.add(createAudioEncoderCap(atts));
} else if (strcmp("VideoDecoderCap", name) == 0 &&
strcmp("true", atts[3]) == 0) {
profiles->mVideoDecoders.add(createVideoDecoderCap(atts));
} else if (strcmp("AudioDecoderCap", name) == 0 &&
strcmp("true", atts[3]) == 0) {
profiles->mAudioDecoders.add(createAudioDecoderCap(atts));
} else if (strcmp("EncoderOutputFileFormat", name) == 0) {
profiles->mEncoderOutputFileFormats.add(createEncoderOutputFileFormat(atts));
} else if (strcmp("EncoderProfile", name) == 0) {
profiles->mCamcorderProfiles.add(createCamcorderProfile(atts));
}
}
/*static*/ MediaProfiles*
MediaProfiles::getInstance()
{
LOGV("getInstance");
Mutex::Autolock lock(sLock);
if (!sIsInitialized) {
char value[PROPERTY_VALUE_MAX];
if (property_get("media.settings.xml", value, NULL) <= 0) {
const char *defaultXmlFile = "/etc/media_profiles.xml";
FILE *fp = fopen(defaultXmlFile, "r");
if (fp == NULL) {
LOGW("could not find media config xml file");
sInstance = createDefaultInstance();
} else {
fclose(fp); // close the file first.
sInstance = createInstanceFromXmlFile(defaultXmlFile);
}
} else {
sInstance = createInstanceFromXmlFile(value);
}
}
return sInstance;
}
/*static*/ MediaProfiles::VideoEncoderCap*
MediaProfiles::createDefaultH263VideoEncoderCap()
{
return new MediaProfiles::VideoEncoderCap(
VIDEO_ENCODER_H263, 192000, 420000, 176, 352, 144, 288, 1, 20);
}
/*static*/ MediaProfiles::VideoEncoderCap*
MediaProfiles::createDefaultM4vVideoEncoderCap()
{
return new MediaProfiles::VideoEncoderCap(
VIDEO_ENCODER_MPEG_4_SP, 192000, 420000, 176, 352, 144, 288, 1, 20);
}
/*static*/ void
MediaProfiles::createDefaultVideoEncoders(MediaProfiles *profiles)
{
profiles->mVideoEncoders.add(createDefaultH263VideoEncoderCap());
profiles->mVideoEncoders.add(createDefaultM4vVideoEncoderCap());
}
/*static*/ MediaProfiles::CamcorderProfile*
MediaProfiles::createDefaultCamcorderHighProfile()
{
MediaProfiles::VideoCodec *videoCodec =
new MediaProfiles::VideoCodec(VIDEO_ENCODER_H263, 360000, 352, 288, 20);
AudioCodec *audioCodec = new AudioCodec(AUDIO_ENCODER_AMR_NB, 12200, 8000, 1);
CamcorderProfile *profile = new CamcorderProfile;
profile->mFileFormat = OUTPUT_FORMAT_THREE_GPP;
profile->mQuality = CAMCORDER_QUALITY_HIGH;
profile->mDuration = 60;
profile->mVideoCodec = videoCodec;
profile->mAudioCodec = audioCodec;
return profile;
}
/*static*/ MediaProfiles::CamcorderProfile*
MediaProfiles::createDefaultCamcorderLowProfile()
{
MediaProfiles::VideoCodec *videoCodec =
new MediaProfiles::VideoCodec(VIDEO_ENCODER_H263, 192000, 176, 144, 20);
MediaProfiles::AudioCodec *audioCodec =
new MediaProfiles::AudioCodec(AUDIO_ENCODER_AMR_NB, 12200, 8000, 1);
MediaProfiles::CamcorderProfile *profile = new MediaProfiles::CamcorderProfile;
profile->mFileFormat = OUTPUT_FORMAT_THREE_GPP;
profile->mQuality = CAMCORDER_QUALITY_LOW;
profile->mDuration = 30;
profile->mVideoCodec = videoCodec;
profile->mAudioCodec = audioCodec;
return profile;
}
/*static*/ void
MediaProfiles::createDefaultCamcorderProfiles(MediaProfiles *profiles)
{
profiles->mCamcorderProfiles.add(createDefaultCamcorderHighProfile());
profiles->mCamcorderProfiles.add(createDefaultCamcorderLowProfile());
}
/*static*/ void
MediaProfiles::createDefaultAudioEncoders(MediaProfiles *profiles)
{
profiles->mAudioEncoders.add(createDefaultAmrNBEncoderCap());
}
/*static*/ void
MediaProfiles::createDefaultVideoDecoders(MediaProfiles *profiles)
{
MediaProfiles::VideoDecoderCap *cap =
new MediaProfiles::VideoDecoderCap(VIDEO_DECODER_WMV);
profiles->mVideoDecoders.add(cap);
}
/*static*/ void
MediaProfiles::createDefaultAudioDecoders(MediaProfiles *profiles)
{
MediaProfiles::AudioDecoderCap *cap =
new MediaProfiles::AudioDecoderCap(AUDIO_DECODER_WMA);
profiles->mAudioDecoders.add(cap);
}
/*static*/ void
MediaProfiles::createDefaultEncoderOutputFileFormats(MediaProfiles *profiles)
{
profiles->mEncoderOutputFileFormats.add(OUTPUT_FORMAT_THREE_GPP);
profiles->mEncoderOutputFileFormats.add(OUTPUT_FORMAT_MPEG_4);
}
/*static*/ MediaProfiles::AudioEncoderCap*
MediaProfiles::createDefaultAmrNBEncoderCap()
{
return new MediaProfiles::AudioEncoderCap(
AUDIO_ENCODER_AMR_NB, 5525, 12200, 8000, 8000, 1, 1);
}
/*static*/ MediaProfiles*
MediaProfiles::createDefaultInstance()
{
MediaProfiles *profiles = new MediaProfiles;
createDefaultCamcorderProfiles(profiles);
createDefaultVideoEncoders(profiles);
createDefaultAudioEncoders(profiles);
createDefaultVideoDecoders(profiles);
createDefaultAudioDecoders(profiles);
createDefaultEncoderOutputFileFormats(profiles);
sIsInitialized = true;
return profiles;
}
/*static*/ MediaProfiles*
MediaProfiles::createInstanceFromXmlFile(const char *xml)
{
FILE *fp = NULL;
CHECK((fp = fopen(xml, "r")));
XML_Parser parser = ::XML_ParserCreate(NULL);
CHECK(parser != NULL);
MediaProfiles *profiles = new MediaProfiles();
::XML_SetUserData(parser, profiles);
::XML_SetElementHandler(parser, startElementHandler, NULL);
/*
FIXME:
expat is not compiled with -DXML_DTD. We don't have DTD parsing support.
if (!::XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS)) {
LOGE("failed to enable DTD support in the xml file");
return UNKNOWN_ERROR;
}
*/
const int BUFF_SIZE = 512;
for (;;) {
void *buff = ::XML_GetBuffer(parser, BUFF_SIZE);
if (buff == NULL) {
LOGE("failed to in call to XML_GetBuffer()");
delete profiles;
profiles = NULL;
goto exit;
}
int bytes_read = ::fread(buff, 1, BUFF_SIZE, fp);
if (bytes_read < 0) {
LOGE("failed in call to read");
delete profiles;
profiles = NULL;
goto exit;
}
CHECK(::XML_ParseBuffer(parser, bytes_read, bytes_read == 0));
if (bytes_read == 0) break; // done parsing the xml file
}
exit:
::XML_ParserFree(parser);
::fclose(fp);
if (profiles) {
sIsInitialized = true;
}
return profiles;
}
Vector<output_format> MediaProfiles::getOutputFileFormats() const
{
return mEncoderOutputFileFormats; // copy out
}
Vector<video_encoder> MediaProfiles::getVideoEncoders() const
{
Vector<video_encoder> encoders;
for (size_t i = 0; i < mVideoEncoders.size(); ++i) {
encoders.add(mVideoEncoders[i]->mCodec);
}
return encoders; // copy out
}
int MediaProfiles::getVideoEncoderParamByName(const char *name, video_encoder codec) const
{
LOGV("getVideoEncoderParamByName: %s for codec %d", name, codec);
int index = -1;
for (size_t i = 0, n = mVideoEncoders.size(); i < n; ++i) {
if (mVideoEncoders[i]->mCodec == codec) {
index = i;
break;
}
}
if (index == -1) {
LOGE("The given video encoder %d is not found", codec);
return -1;
}
if (!strcmp("enc.vid.width.min", name)) return mVideoEncoders[index]->mMinFrameWidth;
if (!strcmp("enc.vid.width.max", name)) return mVideoEncoders[index]->mMaxFrameWidth;
if (!strcmp("enc.vid.height.min", name)) return mVideoEncoders[index]->mMinFrameHeight;
if (!strcmp("enc.vid.height.max", name)) return mVideoEncoders[index]->mMaxFrameHeight;
if (!strcmp("enc.vid.bps.min", name)) return mVideoEncoders[index]->mMinBitRate;
if (!strcmp("enc.vid.bps.max", name)) return mVideoEncoders[index]->mMaxBitRate;
if (!strcmp("enc.vid.fps.min", name)) return mVideoEncoders[index]->mMinFrameRate;
if (!strcmp("enc.vid.fps.max", name)) return mVideoEncoders[index]->mMaxFrameRate;
LOGE("The given video encoder param name %s is not found", name);
return -1;
}
Vector<audio_encoder> MediaProfiles::getAudioEncoders() const
{
Vector<audio_encoder> encoders;
for (size_t i = 0; i < mAudioEncoders.size(); ++i) {
encoders.add(mAudioEncoders[i]->mCodec);
}
return encoders; // copy out
}
int MediaProfiles::getAudioEncoderParamByName(const char *name, audio_encoder codec) const
{
LOGV("getAudioEncoderParamByName: %s for codec %d", name, codec);
int index = -1;
for (size_t i = 0, n = mAudioEncoders.size(); i < n; ++i) {
if (mAudioEncoders[i]->mCodec == codec) {
index = i;
break;
}
}
if (index == -1) {
LOGE("The given audio encoder %d is not found", codec);
return -1;
}
if (!strcmp("enc.aud.ch.min", name)) return mAudioEncoders[index]->mMinChannels;
if (!strcmp("enc.aud.ch.max", name)) return mAudioEncoders[index]->mMaxChannels;
if (!strcmp("enc.aud.bps.min", name)) return mAudioEncoders[index]->mMinBitRate;
if (!strcmp("enc.aud.bps.max", name)) return mAudioEncoders[index]->mMaxBitRate;
if (!strcmp("enc.aud.hz.min", name)) return mAudioEncoders[index]->mMinSampleRate;
if (!strcmp("enc.aud.hz.max", name)) return mAudioEncoders[index]->mMaxSampleRate;
LOGE("The given audio encoder param name %s is not found", name);
return -1;
}
Vector<video_decoder> MediaProfiles::getVideoDecoders() const
{
Vector<video_decoder> decoders;
for (size_t i = 0; i < mVideoDecoders.size(); ++i) {
decoders.add(mVideoDecoders[i]->mCodec);
}
return decoders; // copy out
}
Vector<audio_decoder> MediaProfiles::getAudioDecoders() const
{
Vector<audio_decoder> decoders;
for (size_t i = 0; i < mAudioDecoders.size(); ++i) {
decoders.add(mAudioDecoders[i]->mCodec);
}
return decoders; // copy out
}
int MediaProfiles::getCamcorderProfileParamByName(const char *name, camcorder_quality quality) const
{
LOGV("getCamcorderProfileParamByName: %s for quality %d", name, quality);
int index = -1;
for (size_t i = 0, n = mCamcorderProfiles.size(); i < n; ++i) {
if (mCamcorderProfiles[i]->mQuality == quality) {
index = i;
break;
}
}
if (index == -1) {
LOGE("The given camcorder profile quality %d is not found", quality);
return -1;
}
if (!strcmp("file.format", name)) return mCamcorderProfiles[index]->mFileFormat;
if (!strcmp("vid.codec", name)) return mCamcorderProfiles[index]->mVideoCodec->mCodec;
if (!strcmp("vid.width", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameWidth;
if (!strcmp("vid.height", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameHeight;
if (!strcmp("vid.bps", name)) return mCamcorderProfiles[index]->mVideoCodec->mBitRate;
if (!strcmp("vid.fps", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameRate;
if (!strcmp("aud.codec", name)) return mCamcorderProfiles[index]->mAudioCodec->mCodec;
if (!strcmp("aud.bps", name)) return mCamcorderProfiles[index]->mAudioCodec->mBitRate;
if (!strcmp("aud.ch", name)) return mCamcorderProfiles[index]->mAudioCodec->mChannels;
if (!strcmp("aud.hz", name)) return mCamcorderProfiles[index]->mAudioCodec->mSampleRate;
LOGE("The given camcorder profile param name %s is not found", name);
return -1;
}
MediaProfiles::~MediaProfiles()
{
CHECK("destructor should never be called" == 0);
#if 0
for (size_t i = 0; i < mAudioEncoders.size(); ++i) {
delete mAudioEncoders[i];
}
mAudioEncoders.clear();
for (size_t i = 0; i < mVideoEncoders.size(); ++i) {
delete mVideoEncoders[i];
}
mVideoEncoders.clear();
for (size_t i = 0; i < mVideoDecoders.size(); ++i) {
delete mVideoDecoders[i];
}
mVideoDecoders.clear();
for (size_t i = 0; i < mAudioDecoders.size(); ++i) {
delete mAudioDecoders[i];
}
mAudioDecoders.clear();
for (size_t i = 0; i < mCamcorderProfiles.size(); ++i) {
delete mCamcorderProfiles[i];
}
mCamcorderProfiles.clear();
#endif
}
} // namespace android