Merge "audioflinger: fix standby delay on A2DP output" into mnc-dr1.5-dev (eb65c5f7) · Commits · e / devices / smdk4412 / android_frameworks_av

services/audioflinger/Threads.cpp

+20 −3

Original line number	Diff line number	Diff line
		@@ -1589,6 +1589,7 @@ void AudioFlinger::PlaybackThread::dumpInternals(int fd, const Vector<String16>&
		dprintf(fd, " Mixer buffer: %p\n", mMixerBuffer);
		dprintf(fd, " Effect buffer: %p\n", mEffectBuffer);
		dprintf(fd, " Fast track availMask=%#x\n", mFastTrackAvailMask);
		dprintf(fd, " Standby delay ns=%lld\n", (long long)mStandbyDelayNs);
		AudioStreamOut *output = mOutput;
		audio_output_flags_t flags = output != NULL ? output->flags : AUDIO_OUTPUT_FLAG_NONE;
		String8 flagsAsString = outputFlagsToString(flags);
		@@ -2513,7 +2514,8 @@ The derived values that are cached:
		- mSinkBufferSize from frame count * frame size
		- mActiveSleepTimeUs from activeSleepTimeUs()
		- mIdleSleepTimeUs from idleSleepTimeUs()
		- mStandbyDelayNs from mActiveSleepTimeUs (DIRECT only)
		- mStandbyDelayNs from mActiveSleepTimeUs (DIRECT only) or forced to at least
		kDefaultStandbyTimeInNsecs when connected to an A2DP device.
		- maxPeriod from frame count and sample rate (MIXER only)

		The parameters that affect these derived values are:
		@@ -2532,6 +2534,15 @@ void AudioFlinger::PlaybackThread::cacheParameters_l()
		mSinkBufferSize = mNormalFrameCount * mFrameSize;
		mActiveSleepTimeUs = activeSleepTimeUs();
		mIdleSleepTimeUs = idleSleepTimeUs();

		// make sure standby delay is not too short when connected to an A2DP sink to avoid
		// truncating audio when going to standby.
		mStandbyDelayNs = AudioFlinger::mStandbyTimeInNsecs;
		if ((mOutDevice & AUDIO_DEVICE_OUT_ALL_A2DP) != 0) {
		if (mStandbyDelayNs < kDefaultStandbyTimeInNsecs) {
		mStandbyDelayNs = kDefaultStandbyTimeInNsecs;
		}
		}
		}

		void AudioFlinger::PlaybackThread::invalidateTracks(audio_stream_type_t streamType)
		@@ -4248,6 +4259,7 @@ bool AudioFlinger::MixerThread::checkForNewParameter_l(const String8& keyValuePa
		status_t& status)
		{
		bool reconfig = false;
		bool a2dpDeviceChanged = false;

		status = NO_ERROR;

		@@ -4324,6 +4336,8 @@ bool AudioFlinger::MixerThread::checkForNewParameter_l(const String8& keyValuePa
		// forward device change to effects that have requested to be
		// aware of attached audio device.
		if (value != AUDIO_DEVICE_NONE) {
		a2dpDeviceChanged =
		(mOutDevice & AUDIO_DEVICE_OUT_ALL_A2DP) != (value & AUDIO_DEVICE_OUT_ALL_A2DP);
		mOutDevice = value;
		for (size_t i = 0; i < mEffectChains.size(); i++) {
		mEffectChains[i]->setDevice_l(mOutDevice);
		@@ -4367,7 +4381,7 @@ bool AudioFlinger::MixerThread::checkForNewParameter_l(const String8& keyValuePa
		sq->push(FastMixerStateQueue::BLOCK_UNTIL_PUSHED);
		}

		return reconfig;
		return reconfig \|\| a2dpDeviceChanged;
		}


		@@ -4803,6 +4817,7 @@ bool AudioFlinger::DirectOutputThread::checkForNewParameter_l(const String8& key
		status_t& status)
		{
		bool reconfig = false;
		bool a2dpDeviceChanged = false;

		status = NO_ERROR;

		@@ -4812,6 +4827,8 @@ bool AudioFlinger::DirectOutputThread::checkForNewParameter_l(const String8& key
		// forward device change to effects that have requested to be
		// aware of attached audio device.
		if (value != AUDIO_DEVICE_NONE) {
		a2dpDeviceChanged =
		(mOutDevice & AUDIO_DEVICE_OUT_ALL_A2DP) != (value & AUDIO_DEVICE_OUT_ALL_A2DP);
		mOutDevice = value;
		for (size_t i = 0; i < mEffectChains.size(); i++) {
		mEffectChains[i]->setDevice_l(mOutDevice);
		@@ -4844,7 +4861,7 @@ bool AudioFlinger::DirectOutputThread::checkForNewParameter_l(const String8& key
		}
		}

		return reconfig;
		return reconfig \|\| a2dpDeviceChanged;
		}

		uint32_t AudioFlinger::DirectOutputThread::activeSleepTimeUs() const