| /* |
| * Copyright (C) 2008 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_HARDWARE_CAMERA_H |
| #define ANDROID_HARDWARE_CAMERA_H |
| |
| #include <utils/Timers.h> |
| #include <gui/IGraphicBufferProducer.h> |
| #include <system/camera.h> |
| #include <camera/ICameraClient.h> |
| #include <camera/ICameraRecordingProxy.h> |
| #include <camera/ICameraRecordingProxyListener.h> |
| #include <camera/ICameraService.h> |
| #include <camera/ICamera.h> |
| #include <camera/CameraBase.h> |
| |
| namespace android { |
| |
| class Surface; |
| class String8; |
| class String16; |
| |
| // ref-counted object for callbacks |
| class CameraListener: virtual public RefBase |
| { |
| public: |
| virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2) = 0; |
| virtual void postData(int32_t msgType, const sp<IMemory>& dataPtr, |
| camera_frame_metadata_t *metadata) = 0; |
| virtual void postDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) = 0; |
| }; |
| |
| class Camera; |
| |
| template <> |
| struct CameraTraits<Camera> |
| { |
| typedef CameraListener TCamListener; |
| typedef ICamera TCamUser; |
| typedef ICameraClient TCamCallbacks; |
| typedef status_t (ICameraService::*TCamConnectService)(const sp<ICameraClient>&, |
| int, const String16&, int, |
| /*out*/ |
| sp<ICamera>&); |
| static TCamConnectService fnConnectService; |
| }; |
| |
| |
| class Camera : |
| public CameraBase<Camera>, |
| public BnCameraClient |
| { |
| public: |
| enum { |
| USE_CALLING_UID = ICameraService::USE_CALLING_UID |
| }; |
| |
| // construct a camera client from an existing remote |
| static sp<Camera> create(const sp<ICamera>& camera); |
| static sp<Camera> connect(int cameraId, |
| const String16& clientPackageName, |
| int clientUid); |
| |
| virtual ~Camera(); |
| |
| status_t reconnect(); |
| status_t lock(); |
| status_t unlock(); |
| |
| // pass the buffered IGraphicBufferProducer to the camera service |
| status_t setPreviewTarget(const sp<IGraphicBufferProducer>& bufferProducer); |
| |
| // start preview mode, must call setPreviewTarget first |
| status_t startPreview(); |
| |
| // stop preview mode |
| void stopPreview(); |
| |
| // get preview state |
| bool previewEnabled(); |
| |
| // start recording mode, must call setPreviewTarget first |
| status_t startRecording(); |
| |
| // stop recording mode |
| void stopRecording(); |
| |
| // get recording state |
| bool recordingEnabled(); |
| |
| // release a recording frame |
| void releaseRecordingFrame(const sp<IMemory>& mem); |
| |
| // autoFocus - status returned from callback |
| status_t autoFocus(); |
| |
| // cancel auto focus |
| status_t cancelAutoFocus(); |
| |
| // take a picture - picture returned from callback |
| status_t takePicture(int msgType); |
| |
| // set preview/capture parameters - key/value pairs |
| status_t setParameters(const String8& params); |
| |
| // get preview/capture parameters - key/value pairs |
| String8 getParameters() const; |
| |
| // send command to camera driver |
| status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2); |
| |
| // tell camera hal to store meta data or real YUV in video buffers. |
| status_t storeMetaDataInBuffers(bool enabled); |
| |
| void setListener(const sp<CameraListener>& listener); |
| void setRecordingProxyListener(const sp<ICameraRecordingProxyListener>& listener); |
| |
| // Configure preview callbacks to app. Only one of the older |
| // callbacks or the callback surface can be active at the same time; |
| // enabling one will disable the other if active. Flags can be |
| // disabled by calling it with CAMERA_FRAME_CALLBACK_FLAG_NOOP, and |
| // Target by calling it with a NULL interface. |
| void setPreviewCallbackFlags(int preview_callback_flag); |
| status_t setPreviewCallbackTarget( |
| const sp<IGraphicBufferProducer>& callbackProducer); |
| |
| sp<ICameraRecordingProxy> getRecordingProxy(); |
| |
| // ICameraClient interface |
| virtual void notifyCallback(int32_t msgType, int32_t ext, int32_t ext2); |
| virtual void dataCallback(int32_t msgType, const sp<IMemory>& dataPtr, |
| camera_frame_metadata_t *metadata); |
| virtual void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr); |
| |
| class RecordingProxy : public BnCameraRecordingProxy |
| { |
| public: |
| RecordingProxy(const sp<Camera>& camera); |
| |
| // ICameraRecordingProxy interface |
| virtual status_t startRecording(const sp<ICameraRecordingProxyListener>& listener); |
| virtual void stopRecording(); |
| virtual void releaseRecordingFrame(const sp<IMemory>& mem); |
| |
| private: |
| sp<Camera> mCamera; |
| }; |
| |
| protected: |
| Camera(int cameraId); |
| Camera(const Camera&); |
| Camera& operator=(const Camera); |
| |
| sp<ICameraRecordingProxyListener> mRecordingProxyListener; |
| |
| friend class CameraBase; |
| }; |
| |
| }; // namespace android |
| |
| #endif |