Merge "Camera: Lazy load sound files to speed up camera startup" (2b65dca6) · Commits · e / devices / smdk4412 / android_frameworks_av

services/camera/libcameraservice/CameraService.cpp

+27 −20

Original line number	Diff line number	Diff line
		@@ -2027,31 +2027,37 @@ sp<MediaPlayer> CameraService::newMediaPlayer(const char *file) {
		return mp;
		}

		void CameraService::loadSound() {
		ATRACE_CALL();

		void CameraService::increaseSoundRef() {
		Mutex::Autolock lock(mSoundLock);
		LOG1("CameraService::loadSound ref=%d", mSoundRef);
		if (mSoundRef++) return;
		mSoundRef++;
		}

		void CameraService::loadSoundLocked(sound_kind kind) {
		ATRACE_CALL();

		LOG1("CameraService::loadSoundLocked ref=%d", mSoundRef);
		if (SOUND_SHUTTER == kind && mSoundPlayer[SOUND_SHUTTER] == NULL) {
		mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/product/media/audio/ui/camera_click.ogg");
		if (mSoundPlayer[SOUND_SHUTTER] == nullptr) {
		mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg");
		}
		} else if (SOUND_RECORDING_START == kind && mSoundPlayer[SOUND_RECORDING_START] == NULL) {
		mSoundPlayer[SOUND_RECORDING_START] = newMediaPlayer("/product/media/audio/ui/VideoRecord.ogg");
		if (mSoundPlayer[SOUND_RECORDING_START] == nullptr) {
		mSoundPlayer[SOUND_RECORDING_START] =
		newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg");
		}
		} else if (SOUND_RECORDING_STOP == kind && mSoundPlayer[SOUND_RECORDING_STOP] == NULL) {
		mSoundPlayer[SOUND_RECORDING_STOP] = newMediaPlayer("/product/media/audio/ui/VideoStop.ogg");
		if (mSoundPlayer[SOUND_RECORDING_STOP] == nullptr) {
		mSoundPlayer[SOUND_RECORDING_STOP] = newMediaPlayer("/system/media/audio/ui/VideoStop.ogg");
		}
		}
		}

		void CameraService::releaseSound() {
		void CameraService::decreaseSoundRef() {
		Mutex::Autolock lock(mSoundLock);
		LOG1("CameraService::releaseSound ref=%d", mSoundRef);
		LOG1("CameraService::decreaseSoundRef ref=%d", mSoundRef);
		if (--mSoundRef) return;

		for (int i = 0; i < NUM_SOUNDS; i++) {
		@@ -2067,6 +2073,7 @@ void CameraService::playSound(sound_kind kind) {

		LOG1("playSound(%d)", kind);
		Mutex::Autolock lock(mSoundLock);
		loadSoundLocked(kind);
		sp<MediaPlayer> player = mSoundPlayer[kind];
		if (player != 0) {
		player->seekTo(0);
		@@ -2096,7 +2103,7 @@ CameraService::Client::Client(const sp<CameraService>& cameraService,

		mRemoteCallback = cameraClient;

		cameraService->loadSound();
		cameraService->increaseSoundRef();

		LOG1("Client::Client X (pid %d, id %d)", callingPid, mCameraId);
		}
		@@ -2106,7 +2113,7 @@ CameraService::Client::~Client() {
		ALOGV("~Client");
		mDestructionStarted = true;

		sCameraService->releaseSound();
		sCameraService->decreaseSoundRef();
		// unconditionally disconnect. function is idempotent
		Client::disconnect();
		}

services/camera/libcameraservice/CameraService.h

+3 −3

Original line number	Diff line number	Diff line
		@@ -177,10 +177,10 @@ public:
		NUM_SOUNDS
		};

		void loadSound();
		void playSound(sound_kind kind);
		void releaseSound();

		void loadSoundLocked(sound_kind kind);
		void decreaseSoundRef();
		void increaseSoundRef();
		/**
		* Update the state of a given camera device (open/close/active/idle) with
		* the camera proxy service in the system service