diff options
Diffstat (limited to 'media/libmedia/AudioTrack.cpp')
| -rw-r--r-- | media/libmedia/AudioTrack.cpp | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp index 8ccba80..7e55fbd 100644 --- a/media/libmedia/AudioTrack.cpp +++ b/media/libmedia/AudioTrack.cpp @@ -79,7 +79,8 @@ status_t AudioTrack::getMinFrameCount( // --------------------------------------------------------------------------- AudioTrack::AudioTrack() - : mStatus(NO_INIT) + : mStatus(NO_INIT), + mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) { } @@ -94,7 +95,8 @@ AudioTrack::AudioTrack( void* user, int notificationFrames, int sessionId) - : mStatus(NO_INIT) + : mStatus(NO_INIT), + mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) { mStatus = set(streamType, sampleRate, format, channelMask, frameCount, flags, cbf, user, notificationFrames, @@ -112,7 +114,8 @@ AudioTrack::AudioTrack( void* user, int notificationFrames, int sessionId) - : mStatus(NO_INIT) + : mStatus(NO_INIT), + mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) { mStatus = set(streamType, sampleRate, format, channelMask, 0, flags, cbf, user, notificationFrames, @@ -346,9 +349,11 @@ void AudioTrack::start() cblk->waitTimeMs = 0; android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); if (t != 0) { - t->run("AudioTrackThread", ANDROID_PRIORITY_AUDIO); + t->run("AudioTrackThread", ANDROID_PRIORITY_AUDIO); } else { - setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_AUDIO); + mPreviousPriority = getpriority(PRIO_PROCESS, 0); + mPreviousSchedulingGroup = androidGetThreadSchedulingGroup(0); + androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); } ALOGV("start %p before lock cblk %p", this, mCblk); @@ -370,7 +375,8 @@ void AudioTrack::start() if (t != 0) { t->requestExit(); } else { - setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); + setpriority(PRIO_PROCESS, 0, mPreviousPriority); + androidSetThreadSchedulingGroup(0, mPreviousSchedulingGroup); } } } @@ -408,7 +414,8 @@ void AudioTrack::stop() if (t != 0) { t->requestExit(); } else { - setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); + setpriority(PRIO_PROCESS, 0, mPreviousPriority); + androidSetThreadSchedulingGroup(0, mPreviousSchedulingGroup); } } |