am c2ed1817: am e25cc656: Support multiple cameras in framework. (fdaa7790) · Commits · e / os / android_frameworks_base

camera/libcameraservice/Android.mk

+22 −13

Original line number	Diff line number	Diff line
		LOCAL_PATH:= $(call my-dir)

		#
		# Set USE_CAMERA_STUB for non-emulator and non-simulator builds, if you want
		# the camera service to use the fake camera. For emulator or simulator builds,
		# we always use the fake camera.
		# Set USE_CAMERA_STUB if you want to use the fake camera.
		# Set USE_CAMERA_HARDWARE if you want to use the hardware camera.
		# For emulator or simulator builds, we use the fake camera only by default.

		ifeq ($(USE_CAMERA_STUB),)
		USE_CAMERA_STUB:=false
		ifneq ($(filter sooner generic sim,$(TARGET_DEVICE)),)
		ifeq ($(USE_CAMERA_STUB),)
		USE_CAMERA_STUB:=true
		endif
		ifeq ($(USE_CAMERA_HARDWARE),)
		USE_CAMERA_HARDWARE:=false
		endif
		else
		# force USE_CAMERA_STUB for testing temporarily
		# ifeq ($(USE_CAMERA_STUB),)
		USE_CAMERA_STUB:=true
		endif #libcamerastub
		# endif
		ifeq ($(USE_CAMERA_HARDWARE),)
		USE_CAMERA_HARDWARE:=true
		endif
		endif

		ifeq ($(USE_CAMERA_STUB),true)
		@@ -54,18 +63,18 @@ LOCAL_SHARED_LIBRARIES:= \

		LOCAL_MODULE:= libcameraservice

		LOCAL_CFLAGS += -DLOG_TAG=\"CameraService\"

		ifeq ($(TARGET_SIMULATOR),true)
		LOCAL_CFLAGS += -DSINGLE_PROCESS
		endif

		ifeq ($(USE_CAMERA_STUB), true)
		LOCAL_STATIC_LIBRARIES += libcamerastub
		LOCAL_CFLAGS += -include CameraHardwareStub.h
		else
		LOCAL_CFLAGS += -DUSE_CAMERA_STUB
		endif

		ifeq ($(USE_CAMERA_HARDWARE),true)
		LOCAL_CFLAGS += -DUSE_CAMERA_HARDWARE
		LOCAL_SHARED_LIBRARIES += libcamera
		endif

		include $(BUILD_SHARED_LIBRARY)

camera/libcameraservice/CameraHardwareStub.cpp

+18 −27

Original line number	Diff line number	Diff line
		@@ -47,14 +47,14 @@ void CameraHardwareStub::initDefaultParameters()
		{
		CameraParameters p;

		p.set("preview-size-values","320x240");
		p.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, "320x240");
		p.setPreviewSize(320, 240);
		p.setPreviewFrameRate(15);
		p.setPreviewFormat("yuv422sp");
		p.setPreviewFormat(CameraParameters::PIXEL_FORMAT_YUV420SP);

		p.set("picture-size-values", "320x240");
		p.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, "320x240");
		p.setPictureSize(320, 240);
		p.setPictureFormat("jpeg");
		p.setPictureFormat(CameraParameters::PIXEL_FORMAT_JPEG);

		if (setParameters(p) != NO_ERROR) {
		LOGE("Failed to set default parameters?!");
		@@ -66,14 +66,14 @@ void CameraHardwareStub::initHeapLocked()
		// Create raw heap.
		int picture_width, picture_height;
		mParameters.getPictureSize(&picture_width, &picture_height);
		mRawHeap = new MemoryHeapBase(picture_width * 2 * picture_height);
		mRawHeap = new MemoryHeapBase(picture_width * picture_height * 3 / 2);

		int preview_width, preview_height;
		mParameters.getPreviewSize(&preview_width, &preview_height);
		LOGD("initHeapLocked: preview size=%dx%d", preview_width, preview_height);

		// Note that we enforce yuv422 in setParameters().
		int how_big = preview_width * preview_height * 2;
		// Note that we enforce yuv420sp in setParameters().
		int how_big = preview_width * preview_height * 3 / 2;

		// If we are being reinitialized to the same size as before, no
		// work needs to be done.
		@@ -99,7 +99,6 @@ CameraHardwareStub::~CameraHardwareStub()
		{
		delete mFakeCamera;
		mFakeCamera = 0; // paranoia
		singleton.clear();
		}

		sp<IMemoryHeap> CameraHardwareStub::getPreviewHeap() const
		@@ -175,7 +174,7 @@ int CameraHardwareStub::previewThread()

		// Fill the current frame with the fake camera.
		uint8_t frame = ((uint8_t )base) + offset;
		fakeCamera->getNextFrameAsYuv422(frame);
		fakeCamera->getNextFrameAsYuv420(frame);

		//LOGV("previewThread: generated frame to buffer %d", mCurrentPreviewFrame);

		@@ -288,9 +287,9 @@ int CameraHardwareStub::pictureThread()
		// In the meantime just make another fake camera picture.
		int w, h;
		mParameters.getPictureSize(&w, &h);
		sp<MemoryBase> mem = new MemoryBase(mRawHeap, 0, w * 2 * h);
		sp<MemoryBase> mem = new MemoryBase(mRawHeap, 0, w * h * 3 / 2);
		FakeCamera cam(w, h);
		cam.getNextFrameAsYuv422((uint8_t *)mRawHeap->base());
		cam.getNextFrameAsYuv420((uint8_t *)mRawHeap->base());
		mDataCb(CAMERA_MSG_RAW_IMAGE, mem, mCallbackCookie);
		}

		@@ -307,7 +306,7 @@ status_t CameraHardwareStub::takePicture()
		{
		stopPreview();
		if (createThread(beginPictureThread, this) == false)
		return -1;
		return UNKNOWN_ERROR;
		return NO_ERROR;
		}

		@@ -339,12 +338,14 @@ status_t CameraHardwareStub::setParameters(const CameraParameters& params)
		Mutex::Autolock lock(mLock);
		// XXX verify params

		if (strcmp(params.getPreviewFormat(), "yuv422sp") != 0) {
		LOGE("Only yuv422sp preview is supported");
		if (strcmp(params.getPreviewFormat(),
		CameraParameters::PIXEL_FORMAT_YUV420SP) != 0) {
		LOGE("Only yuv420sp preview is supported");
		return -1;
		}

		if (strcmp(params.getPictureFormat(), "jpeg") != 0) {
		if (strcmp(params.getPictureFormat(),
		CameraParameters::PIXEL_FORMAT_JPEG) != 0) {
		LOGE("Only jpeg still pictures are supported");
		return -1;
		}
		@@ -379,22 +380,12 @@ void CameraHardwareStub::release()
		{
		}

		wp<CameraHardwareInterface> CameraHardwareStub::singleton;

		sp<CameraHardwareInterface> CameraHardwareStub::createInstance()
		{
		if (singleton != 0) {
		sp<CameraHardwareInterface> hardware = singleton.promote();
		if (hardware != 0) {
		return hardware;
		}
		}
		sp<CameraHardwareInterface> hardware(new CameraHardwareStub());
		singleton = hardware;
		return hardware;
		return new CameraHardwareStub();
		}

		extern "C" sp<CameraHardwareInterface> openCameraHardware()
		extern "C" sp<CameraHardwareInterface> openCameraHardwareStub()
		{
		return CameraHardwareStub::createInstance();
		}

camera/libcameraservice/CameraHardwareStub.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -67,8 +67,6 @@ private:
		CameraHardwareStub();
		virtual ~CameraHardwareStub();

		static wp<CameraHardwareInterface> singleton;

		static const int kBufferCount = 4;

		class PreviewThread : public Thread {
		@@ -130,6 +128,8 @@ private:
		int mCurrentPreviewFrame;
		};

		extern "C" sp<CameraHardwareInterface> openCameraHardwareStub();

		}; // namespace android

		#endif