Do not park the FastMixer on AudioPatch changes am: f60abceac7 am: 927fefa85b (18e6e46c) · Commits · e / os / android_frameworks_av

services/audioflinger/Threads.cpp

+18 −8

Original line number	Diff line number	Diff line
		@@ -3447,10 +3447,15 @@ status_t AudioFlinger::PlaybackThread::getTimestamp_l(AudioTimestamp& timestamp)
		status_t AudioFlinger::MixerThread::createAudioPatch_l(const struct audio_patch *patch,
		audio_patch_handle_t *handle)
		{
		status_t status;
		if (property_get_bool("af.patch_park", false /* default_value */)) {
		// Park FastMixer to avoid potential DOS issues with writing to the HAL
		// or if HAL does not properly lock against access.
		AutoPark<FastMixer> park(mFastMixer);

		status_t status = PlaybackThread::createAudioPatch_l(patch, handle);

		status = PlaybackThread::createAudioPatch_l(patch, handle);
		} else {
		status = PlaybackThread::createAudioPatch_l(patch, handle);
		}
		return status;
		}

		@@ -3532,10 +3537,15 @@ status_t AudioFlinger::PlaybackThread::createAudioPatch_l(const struct audio_pat

		status_t AudioFlinger::MixerThread::releaseAudioPatch_l(const audio_patch_handle_t handle)
		{
		status_t status;
		if (property_get_bool("af.patch_park", false /* default_value */)) {
		// Park FastMixer to avoid potential DOS issues with writing to the HAL
		// or if HAL does not properly lock against access.
		AutoPark<FastMixer> park(mFastMixer);

		status_t status = PlaybackThread::releaseAudioPatch_l(handle);

		status = PlaybackThread::releaseAudioPatch_l(handle);
		} else {
		status = PlaybackThread::releaseAudioPatch_l(handle);
		}
		return status;
		}