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author | Glenn Kasten <gkasten@google.com> | 2013-12-03 09:06:43 -0800 |
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committer | Glenn Kasten <gkasten@android.com> | 2013-12-04 17:12:42 -0800 |
commit | b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62e (patch) | |
tree | 12cac79b78992586c8f8da4f618a020f40d92441 /services | |
parent | 92630351d265a61faae2dfe006a8bb330283aa7b (diff) | |
download | frameworks_av-b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62e.zip frameworks_av-b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62e.tar.gz frameworks_av-b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62e.tar.bz2 |
Increase kFastTrackMultiplier from 1 to 2
Change-Id: I158f147295eebcea96e4047d7618069bc48bdd7d
Diffstat (limited to 'services')
-rw-r--r-- | services/audioflinger/Threads.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp index 47dcca6..31d736a 100644 --- a/services/audioflinger/Threads.cpp +++ b/services/audioflinger/Threads.cpp @@ -135,12 +135,12 @@ static const int kPriorityFastMixer = 3; // IAudioFlinger::createTrack() reports back to client the total size of shared memory area // for the track. The client then sub-divides this into smaller buffers for its use. -// Currently the client uses double-buffering by default, but doesn't tell us about that. -// So for now we just assume that client is double-buffered. -// FIXME It would be better for client to tell AudioFlinger whether it wants double-buffering or -// N-buffering, so AudioFlinger could allocate the right amount of memory. +// Currently the client uses N-buffering by default, but doesn't tell us about the value of N. +// So for now we just assume that client is double-buffered for fast tracks. +// FIXME It would be better for client to tell AudioFlinger the value of N, +// so AudioFlinger could allocate the right amount of memory. // See the client's minBufCount and mNotificationFramesAct calculations for details. -static const int kFastTrackMultiplier = 1; +static const int kFastTrackMultiplier = 2; // ---------------------------------------------------------------------------- @@ -1182,7 +1182,7 @@ sp<AudioFlinger::PlaybackThread::Track> AudioFlinger::PlaybackThread::createTrac ( (tid != -1) && ((frameCount == 0) || - (frameCount >= (mFrameCount * kFastTrackMultiplier))) + (frameCount >= mFrameCount)) ) ) && // PCM data @@ -4604,7 +4604,7 @@ sp<AudioFlinger::RecordThread::RecordTrack> AudioFlinger::RecordThread::createR ( (tid != -1) && ((frameCount == 0) || - (frameCount >= (mFrameCount * kFastTrackMultiplier))) + (frameCount >= mFrameCount)) ) && // FIXME when record supports non-PCM data, also check for audio_is_linear_pcm(format) // mono or stereo |