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| author | Wei Jia <wjia@google.com> | 2015-02-04 17:01:11 -0800 |
|---|---|---|
| committer | Wei Jia <wjia@google.com> | 2015-02-24 16:34:11 -0800 |
| commit | 9816016afb2a13c6a866cd047d57020566a8b9a9 (patch) | |
| tree | 176a616a7d5da21447e880158cef57516efee9c3 /media/libmedia/mediaplayer.cpp | |
| parent | 658fc18d8e632441cd5d83a4f74b53620cbac1fe (diff) | |
| download | frameworks_av-9816016afb2a13c6a866cd047d57020566a8b9a9.zip frameworks_av-9816016afb2a13c6a866cd047d57020566a8b9a9.tar.gz frameworks_av-9816016afb2a13c6a866cd047d57020566a8b9a9.tar.bz2 | |
mediaplayer: support dynamic playback rate
Bug: 19196501
Change-Id: I856b1507d5fa2cedfb645706d2435683a7d3e050
Diffstat (limited to 'media/libmedia/mediaplayer.cpp')
| -rw-r--r-- | media/libmedia/mediaplayer.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp index 432ecda..d1d51cc 100644 --- a/media/libmedia/mediaplayer.cpp +++ b/media/libmedia/mediaplayer.cpp @@ -59,6 +59,7 @@ MediaPlayer::MediaPlayer() mLoop = false; mLeftVolume = mRightVolume = 1.0; mVideoWidth = mVideoHeight = 0; + mPlaybackRate = 1.0; mLockThreadId = 0; mAudioSessionId = AudioSystem::newAudioUniqueId(); AudioSystem::acquireAudioSessionId(mAudioSessionId, -1); @@ -378,6 +379,24 @@ bool MediaPlayer::isPlaying() return false; } +status_t MediaPlayer::setPlaybackRate(float rate) +{ + ALOGV("setPlaybackRate: %f", rate); + if (rate <= 0.0) { + return BAD_VALUE; + } + Mutex::Autolock _l(mLock); + if (mPlayer != 0) { + if (mPlaybackRate == rate) { + return NO_ERROR; + } + mPlaybackRate = rate; + return mPlayer->setPlaybackRate(rate); + } + ALOGV("setPlaybackRate: no active player"); + return INVALID_OPERATION; +} + status_t MediaPlayer::getVideoWidth(int *w) { ALOGV("getVideoWidth"); |