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Commit 801682ed authored by Zhou Song's avatar Zhou Song Committed by Steve Kondik
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audioflinger: clear effect buffers for duplicating output 

-Clear effect buffers in threadloop_mix() in case audio
 effects enabled when output threads are not ready
-Also clear mix buffers in threadLoop_sleepTime()when tracks
 are not ready

CRs-Fixed: 765749

Change-Id: I475d42ac0cc68e4856002a9bd4c6c256a6fca70c
parent 61909fb9

services/audioflinger/Threads.cpp

+7 −1
Original line number Diff line number Diff line
@@ -4721,6 +4721,8 @@ void AudioFlinger::DuplicatingThread::threadLoop_mix() 
    } else {

        if (mMixerBufferValid) {

            memset(mMixerBuffer, 0, mMixerBufferSize);

        } else if (mEffectBufferValid) {

            memset(mEffectBuffer, 0, mEffectBufferSize);

        } else {

            memset(mSinkBuffer, 0, mSinkBufferSize);

        }
@@ -4742,7 +4744,11 @@ void AudioFlinger::DuplicatingThread::threadLoop_sleepTime() 
    } else if (mBytesWritten != 0) {

        if (mMixerStatus == MIXER_TRACKS_ENABLED) {

            writeFrames = mNormalFrameCount;

            if (mMixerBufferValid) {

                memset(mMixerBuffer, 0, mMixerBufferSize);

            } else {

                memset(mSinkBuffer, 0, mSinkBufferSize);

            }

        } else {

            // flush remaining overflow buffers in output tracks

            writeFrames = 0;