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Commit 801d72f4 authored by Automerger Merge Worker's avatar Automerger Merge Worker
Browse files

Merge "Use max of play/record frame counts for PassthruPatch track" am: e93545d3 am: dd35e2c4 

Change-Id: I53138c2763e56938f5522f6809eee18fa9ee1ca5
parents 1f338c87 dd35e2c4

services/audioflinger/PatchPanel.cpp

+18 −12
Original line number Diff line number Diff line
@@ -447,18 +447,6 @@ status_t AudioFlinger::PatchPanel::Patch::createConnections(PatchPanel *panel) 
        *mPlayback.handlePtr() = AUDIO_PATCH_HANDLE_NONE;

    }



    // use a pseudo LCM between input and output framecount

    size_t playbackFrameCount = mPlayback.thread()->frameCount();

    int playbackShift = __builtin_ctz(playbackFrameCount);

    size_t recordFrameCount = mRecord.thread()->frameCount();

    int shift = __builtin_ctz(recordFrameCount);

    if (playbackShift < shift) {

        shift = playbackShift;

    }

    size_t frameCount = (playbackFrameCount * recordFrameCount) >> shift;

    ALOGV("%s() playframeCount %zu recordFrameCount %zu frameCount %zu",

            __func__, playbackFrameCount, recordFrameCount, frameCount);



    // create a special record track to capture from record thread

    uint32_t channelCount = mPlayback.thread()->channelCount();

    audio_channel_mask_t inChannelMask = audio_channel_in_mask_from_count(channelCount);
@@ -502,7 +490,15 @@ status_t AudioFlinger::PatchPanel::Patch::createConnections(PatchPanel *panel) 
    }



    sp<RecordThread::PatchRecord> tempRecordTrack;

    const size_t playbackFrameCount = mPlayback.thread()->frameCount();

    const size_t recordFrameCount = mRecord.thread()->frameCount();

    size_t frameCount = 0;

    if ((inputFlags & AUDIO_INPUT_FLAG_DIRECT) && (outputFlags & AUDIO_OUTPUT_FLAG_DIRECT)) {

        // PassthruPatchRecord producesBufferOnDemand, so use

        // maximum of playback and record thread framecounts

        frameCount = std::max(playbackFrameCount, recordFrameCount);

        ALOGV("%s() playframeCount %zu recordFrameCount %zu frameCount %zu",

            __func__, playbackFrameCount, recordFrameCount, frameCount);

        tempRecordTrack = new RecordThread::PassthruPatchRecord(

                                                 mRecord.thread().get(),

                                                 sampleRate,
@@ -511,6 +507,16 @@ status_t AudioFlinger::PatchPanel::Patch::createConnections(PatchPanel *panel) 
                                                 frameCount,

                                                 inputFlags);

    } else {

        // use a pseudo LCM between input and output framecount

        int playbackShift = __builtin_ctz(playbackFrameCount);

        int shift = __builtin_ctz(recordFrameCount);

        if (playbackShift < shift) {

            shift = playbackShift;

        }

        frameCount = (playbackFrameCount * recordFrameCount) >> shift;

        ALOGV("%s() playframeCount %zu recordFrameCount %zu frameCount %zu",

            __func__, playbackFrameCount, recordFrameCount, frameCount);



        tempRecordTrack = new RecordThread::PatchRecord(

                                                 mRecord.thread().get(),

                                                 sampleRate,