audioflinger: pause direct output when buffer timeout am: 82fa4811 am: 58aa0a29

                    // indicate to client process that the track was disabled because of underrun;

                    // it will then automatically call start() when data is available

                    track->disable();

                } else if (last) {

                    // only do hw pause when track is going to be removed due to BUFFER TIMEOUT.

                    // unlike mixerthread, HAL can be paused for direct output

                    ALOGW("pause because of UNDERRUN, framesReady = %zu,"

                            "minFrames = %u, mFormat = %#x",

                            framesReady, minFrames, mFormat);

                    mixerStatus = MIXER_TRACKS_ENABLED;

                    if (mHwSupportsPause && !mHwPaused && !mStandby) {

                    if (last && mHwSupportsPause && !mHwPaused && !mStandby) {

                        doHwPause = true;

                        mHwPaused = true;

                    }

                } else if (last) {

                    mixerStatus = MIXER_TRACKS_ENABLED;

                }

            }

        }