add getMetrics() apis for AudioTrack and AudioRecord (88394301) · Commits · e / os / android_frameworks_av

media/libaudioclient/AudioRecord.cpp

+27 −2

Original line number	Diff line number	Diff line
		@@ -77,22 +77,47 @@ static std::string audioFormatTypeString(audio_format_t value) {
		return rawbuffer;
		}

		static std::string audioSourceString(audio_source_t value) {
		std::string source;
		if (SourceTypeConverter::toString(value, source)) {
		return source;
		}
		char rawbuffer[16]; // room for "%d"
		snprintf(rawbuffer, sizeof(rawbuffer), "%d", value);
		return rawbuffer;
		}

		void AudioRecord::MediaMetrics::gather(const AudioRecord *record)
		{
		// key for media statistics is defined in the header
		// attrs for media statistics
		static constexpr char kAudioRecordChannelCount[] = "android.media.audiorecord.channels";
		static constexpr char kAudioRecordFormat[] = "android.media.audiorecord.format";
		static constexpr char kAudioRecordEncoding[] = "android.media.audiorecord.encoding";
		static constexpr char kAudioRecordLatency[] = "android.media.audiorecord.latency";
		static constexpr char kAudioRecordSampleRate[] = "android.media.audiorecord.samplerate";
		static constexpr char kAudioRecordSource[] = "android.media.audiotrack.source";

		// constructor guarantees mAnalyticsItem is valid

		mAnalyticsItem->setInt32(kAudioRecordLatency, record->mLatency);
		mAnalyticsItem->setInt32(kAudioRecordSampleRate, record->mSampleRate);
		mAnalyticsItem->setInt32(kAudioRecordChannelCount, record->mChannelCount);
		mAnalyticsItem->setCString(kAudioRecordFormat,
		mAnalyticsItem->setCString(kAudioRecordEncoding,
		audioFormatTypeString(record->mFormat).c_str());
		mAnalyticsItem->setCString(kAudioRecordSource,
		audioSourceString(record->mAttributes.source).c_str());
		}

		// hand the user a snapshot of the metrics.
		status_t AudioRecord::getMetrics(MediaAnalyticsItem * &item)
		{
		mMediaMetrics.gather(this);
		MediaAnalyticsItem *tmp = mMediaMetrics.dup();
		if (tmp == nullptr) {
		return BAD_VALUE;
		}
		item = tmp;
		return NO_ERROR;
		}

		AudioRecord::AudioRecord(const String16 &opPackageName)

media/libaudioclient/AudioTrack.cpp

+19 −7

Original line number	Diff line number	Diff line
		@@ -189,22 +189,23 @@ void AudioTrack::MediaMetrics::gather(const AudioTrack *track)
		static constexpr char kAudioTrackUsage[] = "android.media.audiotrack.usage";
		static constexpr char kAudioTrackSampleRate[] = "android.media.audiotrack.samplerate";
		static constexpr char kAudioTrackChannelMask[] = "android.media.audiotrack.channelmask";
		#if 0
		// XXX: disabled temporarily for b/72027185
		static constexpr char kAudioTrackUnderrunFrames[] = "android.media.audiotrack.underrunframes";
		#endif
		static constexpr char kAudioTrackStartupGlitch[] = "android.media.audiotrack.glitch.startup";

		// only if we're in a good state...
		// XXX: shall we gather alternative info if failing?
		const status_t lstatus = track->initCheck();
		if (lstatus != NO_ERROR) {
		ALOGD("no metrics gathered, track status=%d", (int) lstatus);
		return;
		}

		// constructor guarantees mAnalyticsItem is valid

		#if 0
		// XXX: disabled temporarily for b/72027185
		// must gather underrun info before cleaning mProxy information.
		const int32_t underrunFrames = track->getUnderrunFrames();
		if (underrunFrames != 0) {
		mAnalyticsItem->setInt32(kAudioTrackUnderrunFrames, underrunFrames);
		}
		#endif

		if (track->mTimestampStartupGlitchReported) {
		mAnalyticsItem->setInt32(kAudioTrackStartupGlitch, 1);
		@@ -223,6 +224,17 @@ void AudioTrack::MediaMetrics::gather(const AudioTrack *track)
		mAnalyticsItem->setInt64(kAudioTrackChannelMask, track->mChannelMask);
		}

		// hand the user a snapshot of the metrics.
		status_t AudioTrack::getMetrics(MediaAnalyticsItem * &item)
		{
		mMediaMetrics.gather(this);
		MediaAnalyticsItem *tmp = mMediaMetrics.dup();
		if (tmp == nullptr) {
		return BAD_VALUE;
		}
		item = tmp;
		return NO_ERROR;
		}

		AudioTrack::AudioTrack()
		: mStatus(NO_INIT),

media/libaudioclient/include/media/AudioRecord.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -256,6 +256,11 @@ public:
		*/
		uint32_t getNotificationPeriodInFrames() const { return mNotificationFramesAct; }

		/*
		* return metrics information for the current instance.
		*/
		status_t getMetrics(MediaAnalyticsItem * &item);

		/* After it's created the track is not active. Call start() to
		* make it active. If set, the callback will start being called.
		* If event is not AudioSystem::SYNC_EVENT_NONE, the capture start will be delayed until
		@@ -703,6 +708,7 @@ private:
		}
		}
		void gather(const AudioRecord *record);
		MediaAnalyticsItem *dup() { return mAnalyticsItem->dup(); }
		private:
		std::unique_ptr<MediaAnalyticsItem> mAnalyticsItem;
		};

media/libaudioclient/include/media/AudioTrack.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -386,6 +386,11 @@ public:
		/* Return the static buffer specified in constructor or set(), or 0 for streaming mode */
		sp<IMemory> sharedBuffer() const { return mSharedBuffer; }

		/*
		* return metrics information for the current track.
		*/
		status_t getMetrics(MediaAnalyticsItem * &item);

		/* After it's created the track is not active. Call start() to
		* make it active. If set, the callback will start being called.
		* If the track was previously paused, volume is ramped up over the first mix buffer.
		@@ -1198,6 +1203,7 @@ private:
		}
		}
		void gather(const AudioTrack *track);
		MediaAnalyticsItem *dup() { return mAnalyticsItem->dup(); }
		private:
		std::unique_ptr<MediaAnalyticsItem> mAnalyticsItem;
		};