Merge "Prevent object of AudioEffect be deleted until construction finished"... (b40f1cf0) · Commits · e / os / android_frameworks_av

media/libaudioclient/AudioEffect.cpp

+2 −0

Original line number	Diff line number	Diff line
		@@ -52,6 +52,7 @@ AudioEffect::AudioEffect(const effect_uuid_t *type,
		)
		: mStatus(NO_INIT), mOpPackageName(opPackageName)
		{
		AutoMutex lock(mConstructLock);
		mStatus = set(type, uuid, priority, cbf, user, sessionId, io);
		}

		@@ -85,6 +86,7 @@ AudioEffect::AudioEffect(const char *typeStr,
		}
		}

		AutoMutex lock(mConstructLock);
		mStatus = set(pType, pUuid, priority, cbf, user, sessionId, io);
		}

media/libaudioclient/include/media/AudioEffect.h

+21 −0

Original line number	Diff line number	Diff line
		@@ -494,6 +494,7 @@ protected:
		effect_descriptor_t mDescriptor; // effect descriptor
		int32_t mId; // system wide unique effect engine instance ID
		Mutex mLock; // Mutex for mEnabled access
		Mutex mConstructLock; // Mutex for integrality construction

		String16 mOpPackageName; // The package name used for app op checks.

		@@ -520,12 +521,22 @@ private:
		virtual void controlStatusChanged(bool controlGranted) {
		sp<AudioEffect> effect = mEffect.promote();
		if (effect != 0) {
		{
		// Got the mConstructLock means the construction of AudioEffect
		// has finished, we should release the mConstructLock immediately.
		AutoMutex lock(effect->mConstructLock);
		}
		effect->controlStatusChanged(controlGranted);
		}
		}
		virtual void enableStatusChanged(bool enabled) {
		sp<AudioEffect> effect = mEffect.promote();
		if (effect != 0) {
		{
		// Got the mConstructLock means the construction of AudioEffect
		// has finished, we should release the mConstructLock immediately.
		AutoMutex lock(effect->mConstructLock);
		}
		effect->enableStatusChanged(enabled);
		}
		}
		@@ -536,6 +547,11 @@ private:
		void *pReplyData) {
		sp<AudioEffect> effect = mEffect.promote();
		if (effect != 0) {
		{
		// Got the mConstructLock means the construction of AudioEffect
		// has finished, we should release the mConstructLock immediately.
		AutoMutex lock(effect->mConstructLock);
		}
		effect->commandExecuted(
		cmdCode, cmdSize, pCmdData, replySize, pReplyData);
		}
		@@ -545,6 +561,11 @@ private:
		virtual void binderDied(const wp<IBinder>& /who/) {
		sp<AudioEffect> effect = mEffect.promote();
		if (effect != 0) {
		{
		// Got the mConstructLock means the construction of AudioEffect
		// has finished, we should release the mConstructLock immediately.
		AutoMutex lock(effect->mConstructLock);
		}
		effect->binderDied();
		}
		}