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Commit 54682583 authored by Eric Laurent's avatar Eric Laurent Committed by Android (Google) Code Review
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Merge "AudioTrack: relax check on minimum buffer size"

parents 4f03d35f bd6b74ce

include/media/AudioTrack.h

+4 −2
Original line number Diff line number Diff line
@@ -135,8 +135,10 @@ public: 
     * format:             Audio format (e.g AUDIO_FORMAT_PCM_16_BIT for signed

     *                     16 bits per sample).

     * channelMask:        Channel mask: see audio_channels_t.

     * frameCount:         Total size of track PCM buffer in frames. This defines the

     *                     latency of the track.

     * frameCount:         Minimum size of track PCM buffer in frames. This defines the

     *                     latency of the track. The actual size selected by the AudioTrack could be

     *                     larger if the requested size is not compatible with current audio HAL

     *                     latency.

     * flags:              Reserved for future use.

     * cbf:                Callback function. If not null, this function is called periodically

     *                     to request new PCM data.

media/libmedia/AudioTrack.cpp

+3 −6
Original line number Diff line number Diff line
@@ -784,13 +784,10 @@ status_t AudioTrack::createTrack_l( 
                mNotificationFramesAct = frameCount/2;

            }

            if (frameCount < minFrameCount) {

                if (enforceFrameCount) {

                    ALOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount);

                    return BAD_VALUE;

                } else {

                ALOGW_IF(enforceFrameCount, "Minimum buffer size corrected from %d to %d",

                         frameCount, minFrameCount);

                frameCount = minFrameCount;

            }

            }

        } else {

            // Ensure that buffer alignment matches channelCount

            int channelCount = popcount(channelMask);