Added support for auxiliary audio effects to AudioTrack and MediaPlayer.
Added methods to AudioTrack and MediaPlayer java classes to enable use of
auxiliary audio effects. The effect can be attached and detached by specifying its
ID and the send level controlled.
Change-Id: Ie74ff54a453096a742688476f612ce355543b6f3
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
index b43f75f..1c99ae5 100644
--- a/media/libmedia/mediaplayer.cpp
+++ b/media/libmedia/mediaplayer.cpp
@@ -270,6 +270,7 @@
MEDIA_PLAYER_PLAYBACK_COMPLETE | MEDIA_PLAYER_PAUSED ) ) ) {
mPlayer->setLooping(mLoop);
mPlayer->setVolume(mLeftVolume, mRightVolume);
+ mPlayer->setAuxEffectSendLevel(mSendLevel);
mCurrentState = MEDIA_PLAYER_STARTED;
status_t ret = mPlayer->start();
if (ret != NO_ERROR) {
@@ -523,6 +524,31 @@
return mAudioSessionId;
}
+status_t MediaPlayer::setAuxEffectSendLevel(float level)
+{
+ LOGV("MediaPlayer::setAuxEffectSendLevel(%f)", level);
+ Mutex::Autolock _l(mLock);
+ mSendLevel = level;
+ if (mPlayer != 0) {
+ return mPlayer->setAuxEffectSendLevel(level);
+ }
+ return OK;
+}
+
+status_t MediaPlayer::attachAuxEffect(int effectId)
+{
+ LOGV("MediaPlayer::attachAuxEffect(%d)", effectId);
+ Mutex::Autolock _l(mLock);
+ if (mPlayer == 0 ||
+ (mCurrentState & MEDIA_PLAYER_IDLE) ||
+ (mCurrentState == MEDIA_PLAYER_STATE_ERROR )) {
+ LOGE("attachAuxEffect called in state %d", mCurrentState);
+ return INVALID_OPERATION;
+ }
+
+ return mPlayer->attachAuxEffect(effectId);
+}
+
void MediaPlayer::notify(int msg, int ext1, int ext2)
{
LOGV("message received msg=%d, ext1=%d, ext2=%d", msg, ext1, ext2);