Release camera if CameraSource::start() has not been called (8d19d3ae) · Commits · e / os / android_frameworks_base

include/media/stagefright/CameraSource.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -197,6 +197,12 @@ private:
		status_t init(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy,
		int32_t cameraId, Size videoSize, int32_t frameRate,
		bool storeMetaDataInVideoBuffers);

		status_t initWithCameraAccess(
		const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy,
		int32_t cameraId, Size videoSize, int32_t frameRate,
		bool storeMetaDataInVideoBuffers);

		status_t isCameraAvailable(const sp<ICamera>& camera,
		const sp<ICameraRecordingProxy>& proxy,
		int32_t cameraId);

media/libstagefright/CameraSource.cpp

+23 −2

Original line number	Diff line number	Diff line
		@@ -158,12 +158,10 @@ CameraSource::CameraSource(
		mVideoSize.width = -1;
		mVideoSize.height = -1;

		int64_t token = IPCThreadState::self()->clearCallingIdentity();
		mInitCheck = init(camera, proxy, cameraId,
		videoSize, frameRate,
		storeMetaDataInVideoBuffers);
		if (mInitCheck != OK) releaseCamera();
		IPCThreadState::self()->restoreCallingIdentity(token);
		}

		status_t CameraSource::initCheck() const {
		@@ -463,6 +461,22 @@ status_t CameraSource::init(
		bool storeMetaDataInVideoBuffers) {

		status_t err = OK;
		int64_t token = IPCThreadState::self()->clearCallingIdentity();
		err = initWithCameraAccess(camera, proxy, cameraId,
		videoSize, frameRate,
		storeMetaDataInVideoBuffers);
		IPCThreadState::self()->restoreCallingIdentity(token);
		return err;
		}

		status_t CameraSource::initWithCameraAccess(
		const sp<ICamera>& camera,
		const sp<ICameraRecordingProxy>& proxy,
		int32_t cameraId,
		Size videoSize,
		int32_t frameRate,
		bool storeMetaDataInVideoBuffers) {
		status_t err = OK;

		if ((err = isCameraAvailable(camera, proxy, cameraId)) != OK) {
		LOGE("Camera connection could not be established.");
		@@ -525,6 +539,11 @@ status_t CameraSource::init(
		CameraSource::~CameraSource() {
		if (mStarted) {
		stop();
		} else if (mInitCheck == OK) {
		// Camera is initialized but because start() is never called,
		// the lock on Camera is never released(). This makes sure
		// Camera's lock is released in this case.
		releaseCamera();
		}
		}

		@@ -571,6 +590,7 @@ void CameraSource::stopCameraRecording() {
		void CameraSource::releaseCamera() {
		LOGV("releaseCamera");
		if (mCamera != 0) {
		int64_t token = IPCThreadState::self()->clearCallingIdentity();
		if ((mCameraFlags & FLAGS_HOT_CAMERA) == 0) {
		LOGV("Camera was cold when we started, stopping preview");
		mCamera->stopPreview();
		@@ -580,6 +600,7 @@ void CameraSource::releaseCamera() {
		mCamera->unlock();
		}
		mCamera.clear();
		IPCThreadState::self()->restoreCallingIdentity(token);
		}
		if (mCameraRecordingProxy != 0) {
		mCameraRecordingProxy->asBinder()->unlinkToDeath(mDeathNotifier);