Merge "Implement audio routing callbacks" into mnc-dev

This commit is contained in:
Eric Laurent
2015-05-06 17:51:52 +00:00
committed by Android (Google) Code Review
14 changed files with 421 additions and 39 deletions

View File

@@ -132,6 +132,7 @@ LOCAL_SRC_FILES:= \
android_media_AudioRecord.cpp \
android_media_AudioSystem.cpp \
android_media_AudioTrack.cpp \
android_media_DeviceCallback.cpp \
android_media_JetPlayer.cpp \
android_media_RemoteDisplay.cpp \
android_media_ToneGenerator.cpp \

View File

@@ -30,6 +30,7 @@
#include "android_media_AudioFormat.h"
#include "android_media_AudioErrors.h"
#include "android_media_DeviceCallback.h"
// ----------------------------------------------------------------------------
@@ -44,6 +45,7 @@ struct audio_record_fields_t {
jmethodID postNativeEventInJava; //... event post callback method
jfieldID nativeRecorderInJavaObj; // provides access to the C++ AudioRecord object
jfieldID nativeCallbackCookie; // provides access to the AudioRecord callback data
jfieldID nativeDeviceCallback; // provides access to the JNIDeviceCallback instance
};
struct audio_attributes_fields_t {
jfieldID fieldRecSource; // AudioAttributes.mSource
@@ -120,6 +122,33 @@ static void recorderCallback(int event, void* user, void *info) {
}
}
static sp<JNIDeviceCallback> getJniDeviceCallback(JNIEnv* env, jobject thiz)
{
Mutex::Autolock l(sLock);
JNIDeviceCallback* const cb =
(JNIDeviceCallback*)env->GetLongField(thiz,
javaAudioRecordFields.nativeDeviceCallback);
return sp<JNIDeviceCallback>(cb);
}
static sp<JNIDeviceCallback> setJniDeviceCallback(JNIEnv* env,
jobject thiz,
const sp<JNIDeviceCallback>& cb)
{
Mutex::Autolock l(sLock);
sp<JNIDeviceCallback> old =
(JNIDeviceCallback*)env->GetLongField(thiz,
javaAudioRecordFields.nativeDeviceCallback);
if (cb.get()) {
cb->incStrong((void*)setJniDeviceCallback);
}
if (old != 0) {
old->decStrong((void*)setJniDeviceCallback);
}
env->SetLongField(thiz, javaAudioRecordFields.nativeDeviceCallback, (jlong)cb.get());
return old;
}
// ----------------------------------------------------------------------------
static sp<AudioRecord> getAudioRecord(JNIEnv* env, jobject thiz)
{
@@ -593,9 +622,63 @@ static jboolean android_media_AudioRecord_setInputDevice(
JNIEnv *env, jobject thiz, jint device_id) {
sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz);
if (lpRecorder == 0) {
return 0;
}
return lpRecorder->setInputDevice(device_id) == NO_ERROR;
}
static jint android_media_AudioRecord_getRoutedDeviceId(
JNIEnv *env, jobject thiz) {
sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz);
if (lpRecorder == 0) {
return 0;
}
return (jint)lpRecorder->getRoutedDeviceId();
}
static void android_media_AudioRecord_enableDeviceCallback(
JNIEnv *env, jobject thiz) {
sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz);
if (lpRecorder == 0) {
return;
}
sp<JNIDeviceCallback> cb = getJniDeviceCallback(env, thiz);
if (cb != 0) {
return;
}
audiorecord_callback_cookie *cookie =
(audiorecord_callback_cookie *)env->GetLongField(thiz,
javaAudioRecordFields.nativeCallbackCookie);
if (cookie == NULL) {
return;
}
cb = new JNIDeviceCallback(env, thiz, cookie->audioRecord_ref,
javaAudioRecordFields.postNativeEventInJava);
status_t status = lpRecorder->addAudioDeviceCallback(cb);
if (status == NO_ERROR) {
setJniDeviceCallback(env, thiz, cb);
}
}
static void android_media_AudioRecord_disableDeviceCallback(
JNIEnv *env, jobject thiz) {
sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz);
if (lpRecorder == 0) {
return;
}
sp<JNIDeviceCallback> cb = setJniDeviceCallback(env, thiz, 0);
if (cb != 0) {
lpRecorder->removeAudioDeviceCallback(cb);
}
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
static JNINativeMethod gMethods[] = {
@@ -628,12 +711,17 @@ static JNINativeMethod gMethods[] = {
{"native_get_min_buff_size",
"(III)I", (void *)android_media_AudioRecord_get_min_buff_size},
{"native_setInputDevice", "(I)Z", (void *)android_media_AudioRecord_setInputDevice},
{"native_getRoutedDeviceId", "()I", (void *)android_media_AudioRecord_getRoutedDeviceId},
{"native_enableDeviceCallback", "()V", (void *)android_media_AudioRecord_enableDeviceCallback},
{"native_disableDeviceCallback", "()V",
(void *)android_media_AudioRecord_disableDeviceCallback},
};
// field names found in android/media/AudioRecord.java
#define JAVA_POSTEVENT_CALLBACK_NAME "postEventFromNative"
#define JAVA_NATIVERECORDERINJAVAOBJ_FIELD_NAME "mNativeRecorderInJavaObj"
#define JAVA_NATIVECALLBACKINFO_FIELD_NAME "mNativeCallbackCookie"
#define JAVA_NATIVEDEVICECALLBACK_FIELD_NAME "mNativeDeviceCallback"
// ----------------------------------------------------------------------------
int register_android_media_AudioRecord(JNIEnv *env)
@@ -641,6 +729,7 @@ int register_android_media_AudioRecord(JNIEnv *env)
javaAudioRecordFields.postNativeEventInJava = NULL;
javaAudioRecordFields.nativeRecorderInJavaObj = NULL;
javaAudioRecordFields.nativeCallbackCookie = NULL;
javaAudioRecordFields.nativeDeviceCallback = NULL;
// Get the AudioRecord class
@@ -658,6 +747,9 @@ int register_android_media_AudioRecord(JNIEnv *env)
javaAudioRecordFields.nativeCallbackCookie = GetFieldIDOrDie(env,
audioRecordClass, JAVA_NATIVECALLBACKINFO_FIELD_NAME, "J");
javaAudioRecordFields.nativeDeviceCallback = GetFieldIDOrDie(env,
audioRecordClass, JAVA_NATIVEDEVICECALLBACK_FIELD_NAME, "J");
// Get the AudioAttributes class and fields
jclass audioAttrClass = FindClassOrDie(env, kAudioAttributesClassPathName);
javaAudioAttrFields.fieldRecSource = GetFieldIDOrDie(env, audioAttrClass, "mSource", "I");

View File

@@ -937,7 +937,8 @@ static jint convertAudioPortFromNative(JNIEnv *env,
} else if (nAudioPort->type == AUDIO_PORT_TYPE_MIX) {
ALOGV("convertAudioPortFromNative is a mix");
*jAudioPort = env->NewObject(gAudioMixPortClass, gAudioMixPortCstor,
jHandle, nAudioPort->role, jDeviceName,
jHandle, nAudioPort->ext.mix.handle,
nAudioPort->role, jDeviceName,
jSamplingRates, jChannelMasks,
jFormats, jGains);
} else {
@@ -1670,7 +1671,7 @@ int register_android_media_AudioSystem(JNIEnv *env)
jclass audioMixPortClass = FindClassOrDie(env, "android/media/AudioMixPort");
gAudioMixPortClass = MakeGlobalRefOrDie(env, audioMixPortClass);
gAudioMixPortCstor = GetMethodIDOrDie(env, audioMixPortClass, "<init>",
"(Landroid/media/AudioHandle;ILjava/lang/String;[I[I[I[Landroid/media/AudioGain;)V");
"(Landroid/media/AudioHandle;IILjava/lang/String;[I[I[I[Landroid/media/AudioGain;)V");
jclass audioGainClass = FindClassOrDie(env, "android/media/AudioGain");
gAudioGainClass = MakeGlobalRefOrDie(env, audioGainClass);

View File

@@ -36,6 +36,7 @@
#include "android_media_AudioFormat.h"
#include "android_media_AudioErrors.h"
#include "android_media_PlaybackSettings.h"
#include "android_media_DeviceCallback.h"
// ----------------------------------------------------------------------------
@@ -79,6 +80,7 @@ class AudioTrackJniStorage {
sp<MemoryHeapBase> mMemHeap;
sp<MemoryBase> mMemBase;
audiotrack_callback_cookie mCallbackData;
sp<JNIDeviceCallback> mDeviceCallback;
AudioTrackJniStorage() {
mCallbackData.audioTrack_class = 0;
@@ -977,6 +979,51 @@ static jboolean android_media_AudioTrack_setOutputDevice(
return lpTrack->setOutputDevice(device_id) == NO_ERROR;
}
static jint android_media_AudioTrack_getRoutedDeviceId(
JNIEnv *env, jobject thiz) {
sp<AudioTrack> lpTrack = getAudioTrack(env, thiz);
if (lpTrack == NULL) {
return 0;
}
return (jint)lpTrack->getRoutedDeviceId();
}
static void android_media_AudioTrack_enableDeviceCallback(
JNIEnv *env, jobject thiz) {
sp<AudioTrack> lpTrack = getAudioTrack(env, thiz);
if (lpTrack == NULL) {
return;
}
AudioTrackJniStorage* pJniStorage = (AudioTrackJniStorage *)env->GetLongField(
thiz, javaAudioTrackFields.jniData);
if (pJniStorage == NULL || pJniStorage->mDeviceCallback != 0) {
return;
}
pJniStorage->mDeviceCallback =
new JNIDeviceCallback(env, thiz, pJniStorage->mCallbackData.audioTrack_ref,
javaAudioTrackFields.postNativeEventInJava);
lpTrack->addAudioDeviceCallback(pJniStorage->mDeviceCallback);
}
static void android_media_AudioTrack_disableDeviceCallback(
JNIEnv *env, jobject thiz) {
sp<AudioTrack> lpTrack = getAudioTrack(env, thiz);
if (lpTrack == NULL) {
return;
}
AudioTrackJniStorage* pJniStorage = (AudioTrackJniStorage *)env->GetLongField(
thiz, javaAudioTrackFields.jniData);
if (pJniStorage == NULL || pJniStorage->mDeviceCallback == 0) {
return;
}
lpTrack->removeAudioDeviceCallback(pJniStorage->mDeviceCallback);
pJniStorage->mDeviceCallback.clear();
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
static JNINativeMethod gMethods[] = {
@@ -1030,6 +1077,9 @@ static JNINativeMethod gMethods[] = {
"(I)I", (void *)android_media_AudioTrack_attachAuxEffect},
{"native_setOutputDevice", "(I)Z",
(void *)android_media_AudioTrack_setOutputDevice},
{"native_getRoutedDeviceId", "()I", (void *)android_media_AudioTrack_getRoutedDeviceId},
{"native_enableDeviceCallback", "()V", (void *)android_media_AudioTrack_enableDeviceCallback},
{"native_disableDeviceCallback", "()V", (void *)android_media_AudioTrack_disableDeviceCallback},
};

View File

@@ -0,0 +1,82 @@
/*
* Copyright (C) 2015 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 "AudioDeviceCallback-JNI"
#include <utils/Log.h>
#include <JNIHelp.h>
#include <JniConstants.h>
#include "core_jni_helpers.h"
#include <media/AudioSystem.h>
#include "android_media_DeviceCallback.h"
// ----------------------------------------------------------------------------
using namespace android;
JNIDeviceCallback::JNIDeviceCallback(JNIEnv* env, jobject thiz, jobject weak_thiz,
jmethodID postEventFromNative)
{
// Hold onto the AudioTrack/AudioRecord class for use in calling the static method
// that posts events to the application thread.
jclass clazz = env->GetObjectClass(thiz);
if (clazz == NULL) {
return;
}
mClass = (jclass)env->NewGlobalRef(clazz);
// We use a weak reference so the AudioTrack/AudioRecord object can be garbage collected.
// The reference is only used as a proxy for callbacks.
mObject = env->NewGlobalRef(weak_thiz);
mPostEventFromNative = postEventFromNative;
}
JNIDeviceCallback::~JNIDeviceCallback()
{
// remove global references
JNIEnv *env = AndroidRuntime::getJNIEnv();
if (env == NULL) {
return;
}
env->DeleteGlobalRef(mObject);
env->DeleteGlobalRef(mClass);
}
void JNIDeviceCallback::onAudioDeviceUpdate(audio_io_handle_t audioIo,
audio_port_handle_t deviceId)
{
JNIEnv *env = AndroidRuntime::getJNIEnv();
if (env == NULL) {
return;
}
ALOGV("%s audioIo %d deviceId %d", __FUNCTION__, audioIo, deviceId);
env->CallStaticVoidMethod(mClass,
mPostEventFromNative,
mObject,
AUDIO_NATIVE_EVENT_ROUTING_CHANGE, deviceId, 0, NULL);
if (env->ExceptionCheck()) {
ALOGW("An exception occurred while notifying an event.");
env->ExceptionClear();
}
}

View File

@@ -0,0 +1,47 @@
/*
* Copyright (C) 2015 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_MEDIA_DEVICE_CALLBACK_H
#define ANDROID_MEDIA_DEVICE_CALLBACK_H
#include <system/audio.h>
#include <media/AudioSystem.h>
namespace android {
// keep in sync with AudioSystem.java
#define AUDIO_NATIVE_EVENT_ROUTING_CHANGE 1000
class JNIDeviceCallback: public AudioSystem::AudioDeviceCallback
{
public:
JNIDeviceCallback(JNIEnv* env, jobject thiz, jobject weak_thiz, jmethodID postEventFromNative);
~JNIDeviceCallback();
virtual void onAudioDeviceUpdate(audio_io_handle_t audioIo,
audio_port_handle_t deviceId);
private:
void sendEvent(int event);
jclass mClass; // Reference to AudioTrack/AudioRecord class
jobject mObject; // Weak ref to AudioTrack/AudioRecord Java object to call on
jmethodID mPostEventFromNative; // postEventFromNative method ID.
};
}; // namespace android
#endif // ANDROID_MEDIA_DEVICE_CALLBACK_H

View File

@@ -83,6 +83,16 @@ public class AudioDevicePort extends AudioPort {
if (o == null || !(o instanceof AudioDevicePort)) {
return false;
}
AudioDevicePort other = (AudioDevicePort)o;
if (mType != other.type()) {
return false;
}
if (mAddress == null && other.address() != null) {
return false;
}
if (!mAddress.equals(other.address())) {
return false;
}
return super.equals(o);
}

View File

@@ -96,7 +96,7 @@ public class AudioDevicesManager {
* @param flags A set of bitflags specifying the criteria to test.
* @see {@link LIST_DEVICES_OUTPUTS} and {@link LIST_DEVICES_INPUTS}
**/
private boolean checkFlags(AudioDevicePort port, int flags) {
private static boolean checkFlags(AudioDevicePort port, int flags) {
return port.role() == AudioPort.ROLE_SINK && (flags & LIST_DEVICES_OUTPUTS) != 0 ||
port.role() == AudioPort.ROLE_SOURCE && (flags & LIST_DEVICES_INPUTS) != 0;
}
@@ -110,8 +110,21 @@ public class AudioDevicesManager {
* @return A (possibly zero-length) array of AudioDeviceInfo objects.
*/
public AudioDeviceInfo[] listDevices(int flags) {
return listDevicesStatic(flags);
}
/**
* Generates a list of AudioDeviceInfo objects corresponding to the audio devices currently
* connected to the system and meeting the criteria specified in the <code>flags</code>
* parameter.
* @param flags A set of bitflags specifying the criteria to test.
* @see {@link LIST_DEVICES_OUTPUTS}, {@link LIST_DEVICES_INPUTS} and {@link LIST_DEVICES_ALL}.
* @return A (possibly zero-length) array of AudioDeviceInfo objects.
* @hide
*/
public static AudioDeviceInfo[] listDevicesStatic(int flags) {
ArrayList<AudioDevicePort> ports = new ArrayList<AudioDevicePort>();
int status = mAudioManager.listAudioDevicePorts(ports);
int status = AudioManager.listAudioDevicePorts(ports);
if (status != AudioManager.SUCCESS) {
// fail and bail!
return new AudioDeviceInfo[0];

View File

@@ -3401,7 +3401,7 @@ public class AudioManager {
* @param ports An AudioPort ArrayList where the list will be returned.
* @hide
*/
public int listAudioPorts(ArrayList<AudioPort> ports) {
public static int listAudioPorts(ArrayList<AudioPort> ports) {
return updateAudioPortCache(ports, null);
}
@@ -3410,7 +3410,7 @@ public class AudioManager {
* @see listAudioPorts(ArrayList<AudioPort>)
* @hide
*/
public int listAudioDevicePorts(ArrayList<AudioDevicePort> devices) {
public static int listAudioDevicePorts(ArrayList<AudioDevicePort> devices) {
ArrayList<AudioPort> ports = new ArrayList<AudioPort>();
int status = updateAudioPortCache(ports, null);
if (status == SUCCESS) {
@@ -3447,7 +3447,7 @@ public class AudioManager {
* patch[0] contains the newly created patch
* @hide
*/
public int createAudioPatch(AudioPatch[] patch,
public static int createAudioPatch(AudioPatch[] patch,
AudioPortConfig[] sources,
AudioPortConfig[] sinks) {
return AudioSystem.createAudioPatch(patch, sources, sinks);
@@ -3464,7 +3464,7 @@ public class AudioManager {
* - {@link #ERROR} if patch cannot be released for any other reason.
* @hide
*/
public int releaseAudioPatch(AudioPatch patch) {
public static int releaseAudioPatch(AudioPatch patch) {
return AudioSystem.releaseAudioPatch(patch);
}
@@ -3473,7 +3473,7 @@ public class AudioManager {
* @param patches An AudioPatch array where the list will be returned.
* @hide
*/
public int listAudioPatches(ArrayList<AudioPatch> patches) {
public static int listAudioPatches(ArrayList<AudioPatch> patches) {
return updateAudioPortCache(null, patches);
}
@@ -3482,7 +3482,7 @@ public class AudioManager {
* AudioGain.buildConfig()
* @hide
*/
public int setAudioPortGain(AudioPort port, AudioGainConfig gain) {
public static int setAudioPortGain(AudioPort port, AudioGainConfig gain) {
if (port == null || gain == null) {
return ERROR_BAD_VALUE;
}

View File

@@ -20,16 +20,21 @@ package android.media;
* The AudioMixPort is a specialized type of AudioPort
* describing an audio mix or stream at an input or output stream of the audio
* framework.
* In addition to base audio port attributes, the mix descriptor contains:
* - the unique audio I/O handle assigned by AudioFlinger to this mix.
* @see AudioPort
* @hide
*/
public class AudioMixPort extends AudioPort {
AudioMixPort(AudioHandle handle, int role, String deviceName,
private final int mIoHandle;
AudioMixPort(AudioHandle handle, int ioHandle, int role, String deviceName,
int[] samplingRates, int[] channelMasks,
int[] formats, AudioGain[] gains) {
super(handle, role, deviceName, samplingRates, channelMasks, formats, gains);
mIoHandle = ioHandle;
}
/**
@@ -41,11 +46,23 @@ public class AudioMixPort extends AudioPort {
return new AudioMixPortConfig(this, samplingRate, channelMask, format, gain);
}
/**
* Get the device type (e.g AudioManager.DEVICE_OUT_SPEAKER)
*/
public int ioHandle() {
return mIoHandle;
}
@Override
public boolean equals(Object o) {
if (o == null || !(o instanceof AudioMixPort)) {
return false;
}
AudioMixPort other = (AudioMixPort)o;
if (mIoHandle != other.ioHandle()) {
return false;
}
return super.equals(o);
}

View File

@@ -92,6 +92,14 @@ public class AudioPort {
return mHandle;
}
/**
* Get the system unique device ID.
*/
public int id() {
return mHandle.id();
}
/**
* Get the audio port role
*/

View File

@@ -116,11 +116,6 @@ public class AudioRecord
*/
private static final int NATIVE_EVENT_NEW_POS = 3;
/**
* Event id denotes when the routing changes.
*/
private final static int NATIVE_EVENT_ROUTING_CHANGE = 1000;
private final static String TAG = "android.media.AudioRecord";
/** @hide */
@@ -161,6 +156,12 @@ public class AudioRecord
@SuppressWarnings("unused")
private long mNativeCallbackCookie;
/**
* Accessed by native methods: provides access to the JNIDeviceCallback instance.
*/
@SuppressWarnings("unused")
private long mNativeDeviceCallback;
//---------------------------------------------------------
// Member variables
@@ -1205,6 +1206,17 @@ public class AudioRecord
* Returns an {@link AudioDeviceInfo} identifying the current routing of this AudioRecord.
*/
public AudioDeviceInfo getRoutedDevice() {
int deviceId = native_getRoutedDeviceId();
if (deviceId == 0) {
return null;
}
AudioDeviceInfo[] devices =
AudioDevicesManager.listDevicesStatic(AudioDevicesManager.LIST_DEVICES_INPUTS);
for (int i = 0; i < devices.length; i++) {
if (devices[i].getId() == deviceId) {
return devices[i];
}
}
return null;
}
@@ -1224,6 +1236,9 @@ public class AudioRecord
android.os.Handler handler) {
if (listener != null && !mRoutingChangeListeners.containsKey(listener)) {
synchronized (mRoutingChangeListeners) {
if (mRoutingChangeListeners.size() == 0) {
native_enableDeviceCallback();
}
mRoutingChangeListeners.put(
listener, new NativeRoutingEventHandlerDelegate(this, listener, handler));
}
@@ -1238,6 +1253,9 @@ public class AudioRecord
synchronized (mRoutingChangeListeners) {
if (mRoutingChangeListeners.containsKey(listener)) {
mRoutingChangeListeners.remove(listener);
if (mRoutingChangeListeners.size() == 0) {
native_disableDeviceCallback();
}
}
}
}
@@ -1271,7 +1289,7 @@ public class AudioRecord
return;
}
switch(msg.what) {
case NATIVE_EVENT_ROUTING_CHANGE:
case AudioSystem.NATIVE_EVENT_ROUTING_CHANGE:
if (listener != null) {
listener.onAudioRecordRouting(record);
}
@@ -1299,10 +1317,11 @@ public class AudioRecord
synchronized (mRoutingChangeListeners) {
values = mRoutingChangeListeners.values();
}
AudioManager.resetAudioPortGeneration();
for(NativeRoutingEventHandlerDelegate delegate : values) {
Handler handler = delegate.getHandler();
if (handler != null) {
handler.sendEmptyMessage(NATIVE_EVENT_ROUTING_CHANGE);
handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE);
}
}
}
@@ -1341,10 +1360,14 @@ public class AudioRecord
return false;
}
mPreferredDevice = deviceInfo;
int preferredDeviceId = mPreferredDevice != null ? deviceInfo.getId() : 0;
return native_setInputDevice(preferredDeviceId);
int preferredDeviceId = deviceInfo != null ? deviceInfo.getId() : 0;
boolean status = native_setInputDevice(preferredDeviceId);
if (status == true) {
synchronized (this) {
mPreferredDevice = deviceInfo;
}
}
return status;
}
/**
@@ -1352,7 +1375,9 @@ public class AudioRecord
* is not guarenteed to correspond to the actual device being used for recording.
*/
public AudioDeviceInfo getPreferredInputDevice() {
return mPreferredDevice;
synchronized (this) {
return mPreferredDevice;
}
}
//---------------------------------------------------------
@@ -1435,6 +1460,11 @@ public class AudioRecord
return;
}
if (what == AudioSystem.NATIVE_EVENT_ROUTING_CHANGE) {
recorder.broadcastRoutingChange();
return;
}
if (recorder.mEventHandler != null) {
Message m =
recorder.mEventHandler.obtainMessage(what, arg1, arg2, obj);
@@ -1486,7 +1516,9 @@ public class AudioRecord
int sampleRateInHz, int channelCount, int audioFormat);
private native final boolean native_setInputDevice(int deviceId);
private native final int native_getRoutedDeviceId();
private native final void native_enableDeviceCallback();
private native final void native_disableDeviceCallback();
//---------------------------------------------------------
// Utility methods

View File

@@ -721,5 +721,11 @@ public class AudioSystem
(1 << STREAM_RING) |
(1 << STREAM_NOTIFICATION) |
(1 << STREAM_SYSTEM);
/**
* Event posted by AudioTrack and AudioRecord JNI (JNIDeviceCallback) when routing changes.
* Keep in sync with core/jni/android_media_DeviceCallback.h.
*/
final static int NATIVE_EVENT_ROUTING_CHANGE = 1000;
}

View File

@@ -178,12 +178,6 @@ public class AudioTrack
*/
private static final int NATIVE_EVENT_NEW_POS = 4;
/**
* Event id denotes when the routing changes.
*/
private final static int NATIVE_EVENT_ROUTING_CHANGE = 1000;
private final static String TAG = "android.media.AudioTrack";
@@ -2057,11 +2051,14 @@ public class AudioTrack
if (deviceInfo != null && !deviceInfo.isSink()) {
return false;
}
mPreferredDevice = deviceInfo;
int preferredDeviceId = mPreferredDevice != null ? deviceInfo.getId() : 0;
return native_setOutputDevice(preferredDeviceId);
int preferredDeviceId = deviceInfo != null ? deviceInfo.getId() : 0;
boolean status = native_setOutputDevice(preferredDeviceId);
if (status == true) {
synchronized (this) {
mPreferredDevice = deviceInfo;
}
}
return status;
}
/**
@@ -2069,7 +2066,9 @@ public class AudioTrack
* is not guaranteed to correspond to the actual device being used for playback.
*/
public AudioDeviceInfo getPreferredOutputDevice() {
return mPreferredDevice;
synchronized (this) {
return mPreferredDevice;
}
}
//--------------------------------------------------------------------------
@@ -2079,6 +2078,17 @@ public class AudioTrack
* Returns an {@link AudioDeviceInfo} identifying the current routing of this AudioTrack.
*/
public AudioDeviceInfo getRoutedDevice() {
int deviceId = native_getRoutedDeviceId();
if (deviceId == 0) {
return null;
}
AudioDeviceInfo[] devices =
AudioDevicesManager.listDevicesStatic(AudioDevicesManager.LIST_DEVICES_OUTPUTS);
for (int i = 0; i < devices.length; i++) {
if (devices[i].getId() == deviceId) {
return devices[i];
}
}
return null;
}
@@ -2098,6 +2108,9 @@ public class AudioTrack
android.os.Handler handler) {
if (listener != null && !mRoutingChangeListeners.containsKey(listener)) {
synchronized (mRoutingChangeListeners) {
if (mRoutingChangeListeners.size() == 0) {
native_enableDeviceCallback();
}
mRoutingChangeListeners.put(
listener, new NativeRoutingEventHandlerDelegate(this, listener, handler));
}
@@ -2113,6 +2126,9 @@ public class AudioTrack
if (mRoutingChangeListeners.containsKey(listener)) {
mRoutingChangeListeners.remove(listener);
}
if (mRoutingChangeListeners.size() == 0) {
native_disableDeviceCallback();
}
}
}
@@ -2124,10 +2140,11 @@ public class AudioTrack
synchronized (mRoutingChangeListeners) {
values = mRoutingChangeListeners.values();
}
AudioManager.resetAudioPortGeneration();
for(NativeRoutingEventHandlerDelegate delegate : values) {
Handler handler = delegate.getHandler();
if (handler != null) {
handler.sendEmptyMessage(NATIVE_EVENT_ROUTING_CHANGE);
handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE);
}
}
}
@@ -2240,7 +2257,7 @@ public class AudioTrack
return;
}
switch(msg.what) {
case NATIVE_EVENT_ROUTING_CHANGE:
case AudioSystem.NATIVE_EVENT_ROUTING_CHANGE:
if (listener != null) {
listener.onAudioTrackRouting(track);
}
@@ -2273,6 +2290,10 @@ public class AudioTrack
return;
}
if (what == AudioSystem.NATIVE_EVENT_ROUTING_CHANGE) {
track.broadcastRoutingChange();
return;
}
NativePositionEventHandlerDelegate delegate = track.mEventHandlerDelegate;
if (delegate != null) {
Handler handler = delegate.getHandler();
@@ -2281,7 +2302,6 @@ public class AudioTrack
handler.sendMessage(m);
}
}
}
@@ -2362,6 +2382,9 @@ public class AudioTrack
private native final int native_setAuxEffectSendLevel(float level);
private native final boolean native_setOutputDevice(int deviceId);
private native final int native_getRoutedDeviceId();
private native final void native_enableDeviceCallback();
private native final void native_disableDeviceCallback();
//---------------------------------------------------------
// Utility methods