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Commit d0cfe8f5 authored by Andy Hung's avatar Andy Hung Committed by Gerrit Code Review
Browse files

Merge "AudioParameter: Document usage of exiting and closing."

parents 580a0d55 b72a5500

media/libaudiohal/impl/StreamHalAidl.cpp

+1 −2
Original line number Diff line number Diff line
@@ -436,8 +436,7 @@ status_t StreamHalAidl::exit() { 
    ALOGD("%p %s::%s", this, getClassName().c_str(), __func__);

    TIME_CHECK();

    if (!mStream) return NO_INIT;

    ALOGE("%s not implemented yet", __func__);

    return OK;

    return statusTFromBinderStatus(mStream->prepareToClose());

}



status_t StreamHalAidl::createMmapBuffer(int32_t minSizeFrames __unused,

media/libaudiohal/impl/StreamHalHidl.cpp

+4 −3
Original line number Diff line number Diff line
@@ -979,9 +979,10 @@ void StreamOutHalHidl::onRecommendedLatencyModeChanged( 
}



status_t StreamOutHalHidl::exit() {

    // FIXME this is using hard-coded strings but in the future, this functionality will be

    //       converted to use audio HAL extensions required to support tunneling

    return setParameters(String8("exiting=1"));

    // Signal exiting to remote_submix HAL.

    AudioParameter param;

    param.addInt(String8(AudioParameter::keyExiting), 1);

    return setParameters(param.toString());

}



StreamInHalHidl::StreamInHalHidl(

media/libmediahelper/AudioParameter.cpp

+2 −0
Original line number Diff line number Diff line
@@ -32,6 +32,8 @@ const char * const AudioParameter::keyChannels = AUDIO_PARAMETER_STREAM_CHANNELS 
const char * const AudioParameter::keyFrameCount = AUDIO_PARAMETER_STREAM_FRAME_COUNT;

const char * const AudioParameter::keyInputSource = AUDIO_PARAMETER_STREAM_INPUT_SOURCE;

const char * const AudioParameter::keyScreenState = AUDIO_PARAMETER_KEY_SCREEN_STATE;

const char * const AudioParameter::keyClosing = AUDIO_PARAMETER_KEY_CLOSING;

const char * const AudioParameter::keyExiting = AUDIO_PARAMETER_KEY_EXITING;

const char * const AudioParameter::keyBtNrec = AUDIO_PARAMETER_KEY_BT_NREC;

const char * const AudioParameter::keyHwAvSync = AUDIO_PARAMETER_HW_AV_SYNC;

const char * const AudioParameter::keyPresentationId = AUDIO_PARAMETER_STREAM_PRESENTATION_ID;

media/libmediahelper/include/media/AudioParameter.h

+6 −0
Original line number Diff line number Diff line
@@ -49,6 +49,12 @@ public: 
    static const char * const keyInputSource;

    static const char * const keyScreenState;



    // TODO(b/73175392) consider improvement to AIDL StreamOut interface.

    // keyClosing: "true" when AudioOutputDescriptor is closing.  Used by A2DP HAL.

    // keyExiting: "1" on AudioFlinger Thread preExit.  Used by remote_submix and A2DP HAL.

    static const char * const keyClosing;

    static const char * const keyExiting;



    //  keyBtNrec: BT SCO Noise Reduction + Echo Cancellation parameters

    //  keyHwAvSync: get HW synchronization source identifier from a device

    //  keyMonoOutput: Enable mono audio playback

services/audioflinger/AudioFlinger.cpp

+2 −0
Original line number Diff line number Diff line
@@ -1827,6 +1827,8 @@ void AudioFlinger::filterReservedParameters(String8& keyValuePairs, uid_t callin 
        String8(AudioParameter::keyStreamSupportedFormats),

        String8(AudioParameter::keyStreamSupportedChannels),

        String8(AudioParameter::keyStreamSupportedSamplingRates),

        String8(AudioParameter::keyClosing),

        String8(AudioParameter::keyExiting),

    };



    if (isAudioServerUid(callingUid)) {