Merge "VolumeShaper: Ensure consistent observable state when muted" into qt-dev (19bf3a5a) · Commits · e / os / android_frameworks_av

services/audioflinger/Threads.cpp

+13 −14

Original line number	Diff line number	Diff line
		@@ -4918,6 +4918,10 @@ AudioFlinger::PlaybackThread::mixer_state AudioFlinger::MixerThread::prepareTrac
		// read original volumes with volume control
		float typeVolume = mStreamTypes[track->streamType()].volume;
		float v = masterVolume * typeVolume;
		// Always fetch volumeshaper volume to ensure state is updated.
		const sp<AudioTrackServerProxy> proxy = track->mAudioTrackServerProxy;
		const float vh = track->getVolumeHandler()->getVolume(
		track->mAudioTrackServerProxy->framesReleased()).first;

		if (track->isPausing() \|\| mStreamTypes[track->streamType()].mute
		\|\| track->isPlaybackRestricted()) {
		@@ -4927,7 +4931,6 @@ AudioFlinger::PlaybackThread::mixer_state AudioFlinger::MixerThread::prepareTrac
		track->setPaused();
		}
		} else {
		sp<AudioTrackServerProxy> proxy = track->mAudioTrackServerProxy;
		gain_minifloat_packed_t vlr = proxy->getVolumeLR();
		vlf = float_from_gain(gain_minifloat_unpack_left(vlr));
		vrf = float_from_gain(gain_minifloat_unpack_right(vlr));
		@@ -4940,8 +4943,6 @@ AudioFlinger::PlaybackThread::mixer_state AudioFlinger::MixerThread::prepareTrac
		ALOGV("Track right volume out of range: %.3g", vrf);
		vrf = GAIN_FLOAT_UNITY;
		}
		const float vh = track->getVolumeHandler()->getVolume(
		track->mAudioTrackServerProxy->framesReleased()).first;
		// now apply the master volume and stream type volume and shaper volume
		vlf = v vh;
		vrf = v vh;
		@@ -5021,7 +5022,7 @@ AudioFlinger::PlaybackThread::mixer_state AudioFlinger::MixerThread::prepareTrac
		(void *)(uintptr_t)(mChannelMask \| mHapticChannelMask));
		// limit track sample rate to 2 x output sample rate, which changes at re-configuration
		uint32_t maxSampleRate = mSampleRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX;
		uint32_t reqSampleRate = track->mAudioTrackServerProxy->getSampleRate();
		uint32_t reqSampleRate = proxy->getSampleRate();
		if (reqSampleRate == 0) {
		reqSampleRate = mSampleRate;
		} else if (reqSampleRate > maxSampleRate) {
		@@ -5033,7 +5034,7 @@ AudioFlinger::PlaybackThread::mixer_state AudioFlinger::MixerThread::prepareTrac
		AudioMixer::SAMPLE_RATE,
		(void *)(uintptr_t)reqSampleRate);

		AudioPlaybackRate playbackRate = track->mAudioTrackServerProxy->getPlaybackRate();
		AudioPlaybackRate playbackRate = proxy->getPlaybackRate();
		mAudioMixer->setParameter(
		trackId,
		AudioMixer::TIMESTRETCH,
		@@ -5507,19 +5508,17 @@ void AudioFlinger::DirectOutputThread::processVolume_l(Track *track, bool lastTr
		{
		float left, right;

		// Ensure volumeshaper state always advances even when muted.
		const sp<AudioTrackServerProxy> proxy = track->mAudioTrackServerProxy;
		const auto [shaperVolume, shaperActive] = track->getVolumeHandler()->getVolume(
		proxy->framesReleased());
		mVolumeShaperActive = shaperActive;

		if (mMasterMute \|\| mStreamTypes[track->streamType()].mute \|\| track->isPlaybackRestricted()) {
		left = right = 0;
		} else {
		float typeVolume = mStreamTypes[track->streamType()].volume;
		float v = mMasterVolume * typeVolume;
		sp<AudioTrackServerProxy> proxy = track->mAudioTrackServerProxy;

		// Get volumeshaper scaling
		std::pair<float /* volume /, bool / active */>
		vh = track->getVolumeHandler()->getVolume(
		track->mAudioTrackServerProxy->framesReleased());
		v *= vh.first;
		mVolumeShaperActive = vh.second;
		const float v = mMasterVolume * typeVolume * shaperVolume;

		gain_minifloat_packed_t vlr = proxy->getVolumeLR();
		left = float_from_gain(gain_minifloat_unpack_left(vlr));