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Commit a542782d authored by Andy Hung's avatar Andy Hung
Browse files

Workaround static fast track start-after-stop issue 

Bug: 23291988
Bug: 23614327
Bug: 23924081
Change-Id: Id1a519ed4bb2a6f4cb197da8450f7069b55c0d48
parent 0f050315

services/audioflinger/Tracks.cpp

+4 −1
Original line number Diff line number Diff line
@@ -432,7 +432,10 @@ AudioFlinger::PlaybackThread::Track::Track( 
    }

    // only allocate a fast track index if we were able to allocate a normal track name

    if (flags & IAudioFlinger::TRACK_FAST) {

        mAudioTrackServerProxy->framesReadyIsCalledByMultipleThreads();

        // FIXME: Not calling framesReadyIsCalledByMultipleThreads() exposes a potential

        // race with setSyncEvent(). However, if we call it, we cannot properly start

        // static fast tracks (SoundPool) immediately after stopping.

        //mAudioTrackServerProxy->framesReadyIsCalledByMultipleThreads();

        ALOG_ASSERT(thread->mFastTrackAvailMask != 0);

        int i = __builtin_ctz(thread->mFastTrackAvailMask);

        ALOG_ASSERT(0 < i && i < (int)FastMixerState::kMaxFastTracks);