Added support for audio sessions in MediaPlayer and AudioTrack.
Audio sessions are used to associate audio effects to particular instances (or groups) of MediaPlayers or AudioTracks.
Change-Id: Ib94eec43241cfcb416590f435ddce7ab39a07640
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index d7ca635..d45c17b 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -252,11 +252,12 @@
sp<IMediaPlayer> MediaPlayerService::create(
pid_t pid, const sp<IMediaPlayerClient>& client, const char* url,
- const KeyedVector<String8, String8> *headers)
+ const KeyedVector<String8, String8> *headers, int audioSessionId)
{
int32_t connId = android_atomic_inc(&mNextConnId);
- sp<Client> c = new Client(this, pid, connId, client);
- LOGV("Create new client(%d) from pid %d, url=%s, connId=%d", connId, pid, url, connId);
+ sp<Client> c = new Client(this, pid, connId, client, audioSessionId);
+ LOGV("Create new client(%d) from pid %d, url=%s, connId=%d, audioSessionId=%d",
+ connId, pid, url, connId, audioSessionId);
if (NO_ERROR != c->setDataSource(url, headers))
{
c.clear();
@@ -269,12 +270,12 @@
}
sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client,
- int fd, int64_t offset, int64_t length)
+ int fd, int64_t offset, int64_t length, int audioSessionId)
{
int32_t connId = android_atomic_inc(&mNextConnId);
- sp<Client> c = new Client(this, pid, connId, client);
- LOGV("Create new client(%d) from pid %d, fd=%d, offset=%lld, length=%lld",
- connId, pid, fd, offset, length);
+ sp<Client> c = new Client(this, pid, connId, client, audioSessionId);
+ LOGV("Create new client(%d) from pid %d, fd=%d, offset=%lld, length=%lld, audioSessionId=%d",
+ connId, pid, fd, offset, length, audioSessionId);
if (NO_ERROR != c->setDataSource(fd, offset, length)) {
c.clear();
} else {
@@ -609,7 +610,7 @@
}
MediaPlayerService::Client::Client(const sp<MediaPlayerService>& service, pid_t pid,
- int32_t connId, const sp<IMediaPlayerClient>& client)
+ int32_t connId, const sp<IMediaPlayerClient>& client, int audioSessionId)
{
LOGV("Client(%d) constructor", connId);
mPid = pid;
@@ -618,6 +619,8 @@
mClient = client;
mLoop = false;
mStatus = NO_INIT;
+ mAudioSessionId = audioSessionId;
+
#if CALLBACK_ANTAGONIZER
LOGD("create Antagonizer");
mAntagonizer = new Antagonizer(notify, this);
@@ -871,7 +874,7 @@
if (p == NULL) return NO_INIT;
if (!p->hardwareOutput()) {
- mAudioOutput = new AudioOutput();
+ mAudioOutput = new AudioOutput(mAudioSessionId);
static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput);
}
@@ -921,7 +924,7 @@
if (p == NULL) return NO_INIT;
if (!p->hardwareOutput()) {
- mAudioOutput = new AudioOutput();
+ mAudioOutput = new AudioOutput(mAudioSessionId);
static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput);
}
@@ -1412,9 +1415,11 @@
#undef LOG_TAG
#define LOG_TAG "AudioSink"
-MediaPlayerService::AudioOutput::AudioOutput()
+MediaPlayerService::AudioOutput::AudioOutput(int sessionId)
: mCallback(NULL),
- mCallbackCookie(NULL) {
+ mCallbackCookie(NULL),
+ mSessionId(sessionId) {
+ LOGV("AudioOutput(%d)", sessionId);
mTrack = 0;
mStreamType = AudioSystem::MUSIC;
mLeftVolume = 1.0;
@@ -1504,7 +1509,7 @@
bufferCount = mMinBufferCount;
}
- LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount);
+ LOGV("open(%u, %d, %d, %d, %d)", sampleRate, channelCount, format, bufferCount,mSessionId);
if (mTrack) close();
int afSampleRate;
int afFrameCount;
@@ -1529,14 +1534,21 @@
frameCount,
0 /* flags */,
CallbackWrapper,
- this);
+ this,
+ 0,
+ mSessionId);
} else {
t = new AudioTrack(
mStreamType,
sampleRate,
format,
(channelCount == 2) ? AudioSystem::CHANNEL_OUT_STEREO : AudioSystem::CHANNEL_OUT_MONO,
- frameCount);
+ frameCount,
+ 0,
+ NULL,
+ NULL,
+ 0,
+ mSessionId);
}
if ((t == 0) || (t->initCheck() != NO_ERROR)) {
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index 2408c62..60b91c6 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -65,7 +65,7 @@
class AudioOutput : public MediaPlayerBase::AudioSink
{
public:
- AudioOutput();
+ AudioOutput(int sessionId);
virtual ~AudioOutput();
virtual bool ready() const { return mTrack != NULL; }
@@ -108,6 +108,7 @@
float mRightVolume;
float mMsecsPerFrame;
uint32_t mLatency;
+ int mSessionId;
static bool mIsOnEmulator;
static int mMinBufferCount; // 12 for emulator; otherwise 4
@@ -185,9 +186,9 @@
// House keeping for media player clients
virtual sp<IMediaPlayer> create(
pid_t pid, const sp<IMediaPlayerClient>& client, const char* url,
- const KeyedVector<String8, String8> *headers);
+ const KeyedVector<String8, String8> *headers, int audioSessionId);
- virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int fd, int64_t offset, int64_t length);
+ virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int fd, int64_t offset, int64_t length, int audioSessionId);
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<IMemory> snoop();
@@ -237,12 +238,15 @@
pid_t pid() const { return mPid; }
virtual status_t dump(int fd, const Vector<String16>& args) const;
+ int getAudioSessionId() { return mAudioSessionId; }
+
private:
friend class MediaPlayerService;
Client( const sp<MediaPlayerService>& service,
pid_t pid,
int32_t connId,
- const sp<IMediaPlayerClient>& client);
+ const sp<IMediaPlayerClient>& client,
+ int audioSessionId);
Client();
virtual ~Client();
@@ -271,6 +275,7 @@
status_t mStatus;
bool mLoop;
int32_t mConnId;
+ int mAudioSessionId;
// Metadata filters.
media::Metadata::Filter mMetadataAllow; // protected by mLock