AudioFlinger: Keep track of music effect thread when primary output is unavailable (f2591bc0) · Commits · e / devices / smdk4412 / android_frameworks_av

services/audioflinger/AudioFlinger.cpp

+78 −21

Original line number	Original line	Diff line number	Diff line
	@@ -3059,6 +3059,25 @@ status_t AudioFlinger::closeOutput_nonvirtual(audio_io_handle_t output)


	mPlaybackThreads.removeItem(output);		mPlaybackThreads.removeItem(output);
			// Save AUDIO_SESSION_OUTPUT_MIX effect to orphan chains
			// Output Mix Effect session is used to manage Music Effect by AudioPolicy Manager.
			// It exists across all playback threads.
			if (playbackThread->type() == IAfThreadBase::MIXER
			\|\| playbackThread->type() == IAfThreadBase::OFFLOAD
			\|\| playbackThread->type() == IAfThreadBase::SPATIALIZER) {
			sp<IAfEffectChain> mixChain;
			{
			audio_utils::scoped_lock sl(playbackThread->mutex());
			mixChain = playbackThread->getEffectChain_l(AUDIO_SESSION_OUTPUT_MIX);
			if (mixChain != nullptr) {
			ALOGW("%s() output %d moving mix session to orphans", __func__, output);
			playbackThread->removeEffectChain_l(mixChain);
			}
			}
			if (mixChain != nullptr) {
			putOrphanEffectChain_l(mixChain);
			}
			}
	// save all effects to the default thread		// save all effects to the default thread
	if (mPlaybackThreads.size()) {		if (mPlaybackThreads.size()) {
	IAfPlaybackThread* const dstThread =		IAfPlaybackThread* const dstThread =
	@@ -4203,7 +4222,8 @@ status_t AudioFlinger::createEffect(const media::CreateEffectRequest& request,
	// before creating the AudioEffect or the io handle must be specified.		// before creating the AudioEffect or the io handle must be specified.
	//		//
	// Detect if the effect is created after an AudioRecord is destroyed.		// Detect if the effect is created after an AudioRecord is destroyed.
	if (getOrphanEffectChain_l(sessionId).get() != nullptr) {		if ((sessionId != AUDIO_SESSION_OUTPUT_MIX) &&
			getOrphanEffectChain_l(sessionId).get() != nullptr) {
	ALOGE("%s: effect %s with no specified io handle is denied because the AudioRecord"		ALOGE("%s: effect %s with no specified io handle is denied because the AudioRecord"
	" for session %d no longer exists",		" for session %d no longer exists",
	__func__, descOut.name, sessionId);		__func__, descOut.name, sessionId);
	@@ -4259,7 +4279,8 @@ status_t AudioFlinger::createEffect(const media::CreateEffectRequest& request,
	goto Exit;		goto Exit;
	}		}
	}		}
	} else {		}
			if (thread->type() == IAfThreadBase::RECORD \|\| sessionId == AUDIO_SESSION_OUTPUT_MIX) {
	// Check if one effect chain was awaiting for an effect to be created on this		// Check if one effect chain was awaiting for an effect to be created on this
	// session and used it instead of creating a new one.		// session and used it instead of creating a new one.
	sp<IAfEffectChain> chain = getOrphanEffectChain_l(sessionId);		sp<IAfEffectChain> chain = getOrphanEffectChain_l(sessionId);
	@@ -4363,17 +4384,39 @@ NO_THREAD_SAFETY_ANALYSIS
	}		}
	return ret;		return ret;
	}		}
	IAfPlaybackThread* const srcThread = checkPlaybackThread_l(srcIo);
	if (srcThread == nullptr) {		IAfPlaybackThread* dstThread = checkPlaybackThread_l(dstIo);
	ALOGW("%s() bad srcIo %d", __func__, srcIo);
	return BAD_VALUE;
	}
	IAfPlaybackThread* const dstThread = checkPlaybackThread_l(dstIo);
	if (dstThread == nullptr) {		if (dstThread == nullptr) {
	ALOGW("%s() bad dstIo %d", __func__, dstIo);		ALOGW("%s() bad dstIo %d", __func__, dstIo);
	return BAD_VALUE;		return BAD_VALUE;
	}		}

			IAfPlaybackThread* srcThread = checkPlaybackThread_l(srcIo);
			sp<IAfEffectChain> orphanChain = getOrphanEffectChain_l(sessionId);
			if (srcThread == nullptr && orphanChain == nullptr && sessionId == AUDIO_SESSION_OUTPUT_MIX) {
			ALOGW("%s() AUDIO_SESSION_OUTPUT_MIX not found in orphans, checking other mix", __func__);
			for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
			const sp<IAfPlaybackThread> pt = mPlaybackThreads.valueAt(i);
			const uint32_t sessionType = pt->hasAudioSession(AUDIO_SESSION_OUTPUT_MIX);
			if ((pt->type() == IAfThreadBase::MIXER \|\| pt->type() == IAfThreadBase::OFFLOAD) &&
			((sessionType & IAfThreadBase::EFFECT_SESSION) != 0)) {
			srcThread = pt.get();
			ALOGW("%s() found srcOutput %d hosting AUDIO_SESSION_OUTPUT_MIX", __func__,
			pt->id());
			break;
			}
			}
			}
			if (srcThread == nullptr && orphanChain == nullptr) {
			ALOGW("moveEffects() bad srcIo %d", srcIo);
			return BAD_VALUE;
			}
			// dstThread pointer validity has already been checked
			if (orphanChain != nullptr) {
			audio_utils::scoped_lock _ll(dstThread->mutex());
			return moveEffectChain_ll(sessionId, nullptr, dstThread, orphanChain.get());
			}
			// srcThread pointer validity has already been checked
	audio_utils::scoped_lock _ll(dstThread->mutex(), srcThread->mutex());		audio_utils::scoped_lock _ll(dstThread->mutex(), srcThread->mutex());
	return moveEffectChain_ll(sessionId, srcThread, dstThread);		return moveEffectChain_ll(sessionId, srcThread, dstThread);
	}		}
	@@ -4399,12 +4442,17 @@ void AudioFlinger::setEffectSuspended(int effectId,
	// moveEffectChain_ll must be called with the AudioFlinger::mutex()		// moveEffectChain_ll must be called with the AudioFlinger::mutex()
	// and both srcThread and dstThread mutex()s held		// and both srcThread and dstThread mutex()s held
	status_t AudioFlinger::moveEffectChain_ll(audio_session_t sessionId,		status_t AudioFlinger::moveEffectChain_ll(audio_session_t sessionId,
	IAfPlaybackThread* srcThread, IAfPlaybackThread* dstThread)		IAfPlaybackThread* srcThread, IAfPlaybackThread* dstThread,
			IAfEffectChain* srcChain)
	{		{
	ALOGV("%s: session %d from thread %p to thread %p",		ALOGV("%s: session %d from thread %p to thread %p %s",
	__func__, sessionId, srcThread, dstThread);		__func__, sessionId, srcThread, dstThread,
			(srcChain != nullptr ? "from specific chain" : ""));
			ALOG_ASSERT((srcThread != nullptr) != (srcChain != nullptr),
			"no source provided for source chain");

	sp<IAfEffectChain> chain = srcThread->getEffectChain_l(sessionId);		sp<IAfEffectChain> chain =
			srcChain != nullptr ? srcChain : srcThread->getEffectChain_l(sessionId);
	if (chain == 0) {		if (chain == 0) {
	ALOGW("%s: effect chain for session %d not on source thread %p",		ALOGW("%s: effect chain for session %d not on source thread %p",
	__func__, sessionId, srcThread);		__func__, sessionId, srcThread);
	@@ -4424,8 +4472,9 @@ status_t AudioFlinger::moveEffectChain_ll(audio_session_t sessionId,
	// otherwise unnecessary as removeEffect_l() will remove the chain when last effect is		// otherwise unnecessary as removeEffect_l() will remove the chain when last effect is
	// removed.		// removed.
	// TODO(b/216875016): consider holding the effect chain locks for the duration of the move.		// TODO(b/216875016): consider holding the effect chain locks for the duration of the move.
			if (srcThread != nullptr) {
	srcThread->removeEffectChain_l(chain);		srcThread->removeEffectChain_l(chain);
			}
	// transfer all effects one by one so that new effect chain is created on new thread with		// transfer all effects one by one so that new effect chain is created on new thread with
	// correct buffer sizes and audio parameters and effect engines reconfigured accordingly		// correct buffer sizes and audio parameters and effect engines reconfigured accordingly
	sp<IAfEffectChain> dstChain;		sp<IAfEffectChain> dstChain;
	@@ -4435,7 +4484,11 @@ status_t AudioFlinger::moveEffectChain_ll(audio_session_t sessionId,
	// process effects one by one.		// process effects one by one.
	for (sp<IAfEffectModule> effect = chain->getEffectFromId_l(0); effect != nullptr;		for (sp<IAfEffectModule> effect = chain->getEffectFromId_l(0); effect != nullptr;
	effect = chain->getEffectFromId_l(0)) {		effect = chain->getEffectFromId_l(0)) {
			if (srcThread != nullptr) {
	srcThread->removeEffect_l(effect);		srcThread->removeEffect_l(effect);
			} else {
			chain->removeEffect_l(effect);
			}
	removed.add(effect);		removed.add(effect);
	status = dstThread->addEffect_ll(effect);		status = dstThread->addEffect_ll(effect);
	if (status != NO_ERROR) {		if (status != NO_ERROR) {
	@@ -4463,7 +4516,7 @@ status_t AudioFlinger::moveEffectChain_ll(audio_session_t sessionId,
	for (const auto& effect : removed) {		for (const auto& effect : removed) {
	dstThread->removeEffect_l(effect); // Note: Depending on error location, the last		dstThread->removeEffect_l(effect); // Note: Depending on error location, the last
	// effect may not have been placed on dstThread.		// effect may not have been placed on dstThread.
	if (srcThread->addEffect_ll(effect) == NO_ERROR) {		if (srcThread != nullptr && srcThread->addEffect_ll(effect) == NO_ERROR) {
	++restored;		++restored;
	if (dstChain == nullptr) {		if (dstChain == nullptr) {
	dstChain = effect->getCallback()->chain().promote();		dstChain = effect->getCallback()->chain().promote();
	@@ -4494,15 +4547,19 @@ status_t AudioFlinger::moveEffectChain_ll(audio_session_t sessionId,
	if (errorString.empty()) {		if (errorString.empty()) {
	errorString = StringPrintf("%s: failed status %d", __func__, status);		errorString = StringPrintf("%s: failed status %d", __func__, status);
	}		}
	ALOGW("%s: %s unsuccessful move of session %d from srcThread %p to dstThread %p "		ALOGW("%s: %s unsuccessful move of session %d from %s %p to dstThread %p "
	"(%zu effects removed from srcThread, %zu effects restored to srcThread, "		"(%zu effects removed from srcThread, %zu effects restored to srcThread, "
	"%zu effects started)",		"%zu effects started)",
	__func__, errorString.c_str(), sessionId, srcThread, dstThread,		__func__, errorString.c_str(), sessionId,
			(srcThread != nullptr ? "srcThread" : "srcChain"),
			(srcThread != nullptr ? (void) srcThread : (void) srcChain), dstThread,
	removed.size(), restored, started);		removed.size(), restored, started);
	} else {		} else {
	ALOGD("%s: successful move of session %d from srcThread %p to dstThread %p "		ALOGD("%s: successful move of session %d from %s %p to dstThread %p "
	"(%zu effects moved, %zu effects started)",		"(%zu effects moved, %zu effects started)",
	__func__, sessionId, srcThread, dstThread, removed.size(), started);		__func__, sessionId, (srcThread != nullptr ? "srcThread" : "srcChain"),
			(srcThread != nullptr ? (void) srcThread : (void) srcChain), dstThread,
			removed.size(), started);
	}		}
	return status;		return status;
	}		}

services/audioflinger/AudioFlinger.h

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -373,7 +373,8 @@ private:
	EXCLUDES_AudioFlinger_Mutex;		EXCLUDES_AudioFlinger_Mutex;

	status_t moveEffectChain_ll(audio_session_t sessionId,		status_t moveEffectChain_ll(audio_session_t sessionId,
	IAfPlaybackThread* srcThread, IAfPlaybackThread* dstThread) final		IAfPlaybackThread* srcThread, IAfPlaybackThread* dstThread,
			IAfEffectChain* srcChain = nullptr) final
	REQUIRES(mutex(), audio_utils::ThreadBase_Mutex);		REQUIRES(mutex(), audio_utils::ThreadBase_Mutex);

	// This is a helper that is called during incoming binder calls.		// This is a helper that is called during incoming binder calls.

services/audioflinger/Effects.cpp

+4 −3

Original line number	Original line	Diff line number	Diff line
	@@ -2492,6 +2492,7 @@ size_t EffectChain::removeEffect_l(const sp<IAfEffectModule>& effect,
	size_t size = mEffects.size();		size_t size = mEffects.size();
	uint32_t type = effect->desc().flags & EFFECT_FLAG_TYPE_MASK;		uint32_t type = effect->desc().flags & EFFECT_FLAG_TYPE_MASK;

			const bool hasThreadAttached = mEffectCallback->hasThreadAttached();
	for (size_t i = 0; i < size; i++) {		for (size_t i = 0; i < size; i++) {
	if (effect == mEffects[i]) {		if (effect == mEffects[i]) {
	// calling stop here will remove pre-processing effect from the audio HAL.		// calling stop here will remove pre-processing effect from the audio HAL.
	@@ -2504,8 +2505,8 @@ size_t EffectChain::removeEffect_l(const sp<IAfEffectModule>& effect,
	if (release) {		if (release) {
	mEffects[i]->release_l();		mEffects[i]->release_l();
	}		}
			// Skip operation when no thread attached (could lead to sigfpe as framecount is 0...)
	if (type != EFFECT_FLAG_TYPE_AUXILIARY) {		if (hasThreadAttached && type != EFFECT_FLAG_TYPE_AUXILIARY) {
	if (i == size - 1 && i != 0) {		if (i == size - 1 && i != 0) {
	mEffects[i - 1]->configure_l();		mEffects[i - 1]->configure_l();
	mEffects[i - 1]->setOutBuffer(mOutBuffer);		mEffects[i - 1]->setOutBuffer(mOutBuffer);
	@@ -2517,7 +2518,7 @@ size_t EffectChain::removeEffect_l(const sp<IAfEffectModule>& effect,
	// make sure the input buffer configuration for the new first effect in the chain		// make sure the input buffer configuration for the new first effect in the chain
	// is updated if needed (can switch from HAL channel mask to mixer channel mask)		// is updated if needed (can switch from HAL channel mask to mixer channel mask)
	if (type != EFFECT_FLAG_TYPE_AUXILIARY // TODO(b/284522658) breaks for aux FX, why?		if (type != EFFECT_FLAG_TYPE_AUXILIARY // TODO(b/284522658) breaks for aux FX, why?
	&& i == 0 && size > 1) {		&& hasThreadAttached && i == 0 && size > 1) {
	mEffects[0]->configure_l();		mEffects[0]->configure_l();
	mEffects[0]->setInBuffer(mInBuffer);		mEffects[0]->setInBuffer(mInBuffer);
	mEffects[0]->updateAccessMode_l(); // reconfig if needed.		mEffects[0]->updateAccessMode_l(); // reconfig if needed.

services/audioflinger/Effects.h

+3 −1

Original line number	Original line	Diff line number	Diff line
	@@ -616,7 +616,9 @@ public:
	mThreadType = thread->type();		mThreadType = thread->type();
	mAfThreadCallback = thread->afThreadCallback();		mAfThreadCallback = thread->afThreadCallback();
	}		}
			bool hasThreadAttached() const {
			return thread().promote() != nullptr;
			}
	private:		private:
	const wp<IAfEffectChain> mChain;		const wp<IAfEffectChain> mChain;
	mediautils::atomic_wp<IAfThreadBase> mThread;		mediautils::atomic_wp<IAfThreadBase> mThread;

services/audioflinger/IAfThread.h

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -95,7 +95,8 @@ public:
	virtual bool updateOrphanEffectChains(const sp<IAfEffectModule>& effect)		virtual bool updateOrphanEffectChains(const sp<IAfEffectModule>& effect)
	EXCLUDES_AudioFlinger_Mutex = 0;		EXCLUDES_AudioFlinger_Mutex = 0;
	virtual status_t moveEffectChain_ll(audio_session_t sessionId,		virtual status_t moveEffectChain_ll(audio_session_t sessionId,
	IAfPlaybackThread* srcThread, IAfPlaybackThread* dstThread)		IAfPlaybackThread* srcThread, IAfPlaybackThread* dstThread,
			IAfEffectChain* srcChain = nullptr)
	REQUIRES(mutex(), audio_utils::ThreadBase_Mutex) = 0;		REQUIRES(mutex(), audio_utils::ThreadBase_Mutex) = 0;

	virtual void requestLogMerge() = 0;		virtual void requestLogMerge() = 0;