Camera service: Add skeleton support for camera2 devices. (61ab9f93) · Commits · e / os / android_frameworks_av

services/camera/libcameraservice/Android.mk

+6 −1

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		@@ -8,7 +8,9 @@ include $(CLEAR_VARS)

		LOCAL_SRC_FILES:= \
		CameraService.cpp \
		CameraClient.cpp
		CameraClient.cpp \
		Camera2Client.cpp \
		Camera2Device.cpp

		LOCAL_SHARED_LIBRARIES:= \
		libui \
		@@ -21,6 +23,9 @@ LOCAL_SHARED_LIBRARIES:= \
		libgui \
		libhardware

		LOCAL_C_INCLUDES += \
		system/media/camera/include

		LOCAL_MODULE:= libcameraservice

		include $(BUILD_SHARED_LIBRARY)

services/camera/libcameraservice/Camera2Client.cpp

0 → 100644

+153 −0

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		/*
		* Copyright (C) 2012 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#define LOG_TAG "Camera2Client"
		//#define LOG_NDEBUG 0

		#include <cutils/properties.h>
		#include <gui/SurfaceTextureClient.h>
		#include <gui/Surface.h>

		#include "Camera2Client.h"

		namespace android {

		#define ALOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__);
		#define ALOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__);

		#define ALOG1_ENTRY { \
		int callingPid = getCallingPid(); \
		ALOG1("%s: E (pid %d, id %d) ", __FUNCTION__, \
		callingPid, mCameraId); \
		}

		static int getCallingPid() {
		return IPCThreadState::self()->getCallingPid();
		}

		static int getCallingUid() {
		return IPCThreadState::self()->getCallingUid();
		}

		// Interface used by CameraService

		Camera2Client::Camera2Client(const sp<CameraService>& cameraService,
		const sp<ICameraClient>& cameraClient,
		const sp<Camera2Device>& device,
		int cameraId,
		int cameraFacing,
		int clientPid):
		Client(cameraService, cameraClient,
		cameraId, cameraFacing, clientPid) {
		int callingPid = getCallingPid();
		ALOG1("%s: E (pid %d, id %d)", __FUNCTION__, callingPid, cameraId);
		ALOG1_ENTRY;

		}

		Camera2Client::~Camera2Client() {
		}

		status_t Camera2Client::dump(int fd, const Vector<String16>& args) {
		return BAD_VALUE;
		}

		// ICamera interface

		void Camera2Client::disconnect() {
		CameraService::Client::disconnect();
		}

		status_t Camera2Client::connect(const sp<ICameraClient>& client) {
		return BAD_VALUE;
		}

		status_t Camera2Client::lock() {
		return BAD_VALUE;
		}

		status_t Camera2Client::unlock() {
		return BAD_VALUE;
		}

		status_t Camera2Client::setPreviewDisplay(const sp<Surface>& surface) {
		return BAD_VALUE;
		}

		status_t Camera2Client::setPreviewTexture(const sp<ISurfaceTexture>& surfaceTexture) {
		return BAD_VALUE;
		}

		void Camera2Client::setPreviewCallbackFlag(int flag) {

		}

		status_t Camera2Client::startPreview() {
		return BAD_VALUE;
		}

		void Camera2Client::stopPreview() {

		}

		bool Camera2Client::previewEnabled() {
		return false;
		}

		status_t Camera2Client::storeMetaDataInBuffers(bool enabled) {
		return BAD_VALUE;
		}

		status_t Camera2Client::startRecording() {
		return BAD_VALUE;
		}

		void Camera2Client::stopRecording() {
		}

		bool Camera2Client::recordingEnabled() {
		return BAD_VALUE;
		}

		void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) {

		}

		status_t Camera2Client::autoFocus() {
		return BAD_VALUE;
		}

		status_t Camera2Client::cancelAutoFocus() {
		return BAD_VALUE;
		}

		status_t Camera2Client::takePicture(int msgType) {
		return BAD_VALUE;
		}

		status_t Camera2Client::setParameters(const String8& params) {
		return BAD_VALUE;
		}
		String8 Camera2Client::getParameters() const {
		return String8();
		}

		status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
		return BAD_VALUE;
		}


		} // namespace android

services/camera/libcameraservice/Camera2Client.h

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+73 −0

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		/*
		* Copyright (C) 2012 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#ifndef ANDROID_SERVERS_CAMERA_CAMERA2CLIENT_H
		#define ANDROID_SERVERS_CAMERA_CAMERA2CLIENT_H

		#include "Camera2Device.h"
		#include "CameraService.h"

		namespace android {

		/**
		* Implements the android.hardware.camera API on top of
		* camera device HAL version 2.
		*/
		class Camera2Client : public CameraService::Client
		{
		public:
		// ICamera interface (see ICamera for details)
		virtual void disconnect();
		virtual status_t connect(const sp<ICameraClient>& client);
		virtual status_t lock();
		virtual status_t unlock();
		virtual status_t setPreviewDisplay(const sp<Surface>& surface);
		virtual status_t setPreviewTexture(const sp<ISurfaceTexture>& surfaceTexture);
		virtual void setPreviewCallbackFlag(int flag);
		virtual status_t startPreview();
		virtual void stopPreview();
		virtual bool previewEnabled();
		virtual status_t storeMetaDataInBuffers(bool enabled);
		virtual status_t startRecording();
		virtual void stopRecording();
		virtual bool recordingEnabled();
		virtual void releaseRecordingFrame(const sp<IMemory>& mem);
		virtual status_t autoFocus();
		virtual status_t cancelAutoFocus();
		virtual status_t takePicture(int msgType);
		virtual status_t setParameters(const String8& params);
		virtual String8 getParameters() const;
		virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2);

		// Interface used by CameraService
		Camera2Client(const sp<CameraService>& cameraService,
		const sp<ICameraClient>& cameraClient,
		const sp<Camera2Device>& device,
		int cameraId,
		int cameraFacing,
		int clientPid);
		~Camera2Client();

		virtual status_t dump(int fd, const Vector<String16>& args);

		private:


		};

		}; // namespace android

		#endif

services/camera/libcameraservice/Camera2Device.cpp

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		/*
		* Copyright (C) 2012 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#define LOG_TAG "Camera2Device"
		//#define LOG_NDEBUG 0

		#include <utils/Log.h>
		#include "Camera2Device.h"

		namespace android {

		Camera2Device::Camera2Device(const char *name):
		mName(name),
		mDevice(NULL)
		{

		}

		Camera2Device::~Camera2Device()
		{
		if (mDevice) {
		status_t res;
		res = mDevice->common.close(&mDevice->common);
		if (res != OK) {
		ALOGE("Could not close camera2 %s: %s (%d)",
		mName, strerror(-res), res);
		}
		}
		}

		status_t Camera2Device::initialize(hw_module_t *module)
		{
		status_t res;
		res = module->methods->open(module, mName,
		reinterpret_cast<hw_device_t**>(&mDevice));

		if (res != OK) {
		ALOGE("Could not open camera %s: %s (%d)", mName, strerror(-res), res);
		return res;
		}

		if (mDevice->common.version != CAMERA_DEVICE_API_VERSION_2_0) {
		ALOGE("Could not open camera %s: "
		"Camera device is not version 2.0, reports %x instead",
		mName, mDevice->common.version);
		return BAD_VALUE;
		}

		return OK;
		}


		}; // namespace android

services/camera/libcameraservice/Camera2Device.h

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		/*
		* Copyright (C) 2012 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#ifndef ANDROID_SERVERS_CAMERA_CAMERA2DEVICE_H
		#define ANDROID_SERVERS_CAMERA_CAMERA2DEVICE_H

		#include <utils/RefBase.h>
		#include <utils/Errors.h>
		#include "hardware/camera2.h"

		namespace android {

		class Camera2Device : public virtual RefBase {
		public:
		Camera2Device(const char *name);

		~Camera2Device();

		status_t initialize(hw_module_t *module);
		private:

		const char *mName;
		camera2_device_t *mDevice;

		};

		}; // namespace android

		#endif