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author | Eric Laurent <elaurent@google.com> | 2012-04-13 16:50:19 -0700 |
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committer | Eric Laurent <elaurent@google.com> | 2012-04-20 14:17:02 -0700 |
commit | 1948eb3ea6eee336e8cdab9b0c693f93f5f19993 (patch) | |
tree | 448eed49a4ba18fb1ab4f2fb1b2c0d5cef6d242f /media/libstagefright/AwesomePlayer.cpp | |
parent | 21e8c50bd13ebe44f3088e26c9c6df0e163c469c (diff) | |
download | frameworks_av-1948eb3ea6eee336e8cdab9b0c693f93f5f19993.zip frameworks_av-1948eb3ea6eee336e8cdab9b0c693f93f5f19993.tar.gz frameworks_av-1948eb3ea6eee336e8cdab9b0c693f93f5f19993.tar.bz2 |
Add support for deep audio buffers
Allow AudioSink to use deep audio buffering when the
source is audio only and its duration is more than
a certain threshold.
This helps improve battery life but implies higher
audio latency.
Change-Id: Ie79915b61c370292f05aabda9779356570e03cbb
Diffstat (limited to 'media/libstagefright/AwesomePlayer.cpp')
-rw-r--r-- | media/libstagefright/AwesomePlayer.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/media/libstagefright/AwesomePlayer.cpp b/media/libstagefright/AwesomePlayer.cpp index b67476b..b15cb67 100644 --- a/media/libstagefright/AwesomePlayer.cpp +++ b/media/libstagefright/AwesomePlayer.cpp @@ -870,7 +870,18 @@ status_t AwesomePlayer::play_l() { if (mAudioSource != NULL) { if (mAudioPlayer == NULL) { if (mAudioSink != NULL) { - mAudioPlayer = new AudioPlayer(mAudioSink, this); + bool allowDeepBuffering; + int64_t cachedDurationUs; + bool eos; + if (mVideoSource == NULL && (mDurationUs > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US || + getCachedDuration_l(&cachedDurationUs, &eos) && + cachedDurationUs > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US)) { + allowDeepBuffering = true; + } else { + allowDeepBuffering = false; + } + + mAudioPlayer = new AudioPlayer(mAudioSink, allowDeepBuffering, this); mAudioPlayer->setSource(mAudioSource); mTimeSource = mAudioPlayer; |