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Diffstat (limited to 'services/camera/libcameraservice/api2/CameraDeviceClient.h')
-rw-r--r-- | services/camera/libcameraservice/api2/CameraDeviceClient.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.h b/services/camera/libcameraservice/api2/CameraDeviceClient.h new file mode 100644 index 0000000..b9c16aa --- /dev/null +++ b/services/camera/libcameraservice/api2/CameraDeviceClient.h @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2013 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_PHOTOGRAPHY_CAMERADEVICECLIENT_H +#define ANDROID_SERVERS_CAMERA_PHOTOGRAPHY_CAMERADEVICECLIENT_H + +#include <camera/camera2/ICameraDeviceUser.h> +#include <camera/camera2/ICameraDeviceCallbacks.h> + +#include "CameraService.h" +#include "common/FrameProcessorBase.h" +#include "common/Camera2ClientBase.h" + +namespace android { + +struct CameraDeviceClientBase : + public CameraService::BasicClient, public BnCameraDeviceUser +{ + typedef ICameraDeviceCallbacks TCamCallbacks; + + const sp<ICameraDeviceCallbacks>& getRemoteCallback() { + return mRemoteCallback; + } + +protected: + CameraDeviceClientBase(const sp<CameraService>& cameraService, + const sp<ICameraDeviceCallbacks>& remoteCallback, + const String16& clientPackageName, + int cameraId, + int cameraFacing, + int clientPid, + uid_t clientUid, + int servicePid); + + sp<ICameraDeviceCallbacks> mRemoteCallback; +}; + +/** + * Implements the binder ICameraDeviceUser API, + * meant for HAL3-public implementation of + * android.hardware.photography.CameraDevice + */ +class CameraDeviceClient : + public Camera2ClientBase<CameraDeviceClientBase>, + public camera2::FrameProcessorBase::FilteredListener +{ +public: + /** + * ICameraDeviceUser interface (see ICameraDeviceUser for details) + */ + + // Note that the callee gets a copy of the metadata. + virtual int submitRequest(sp<CaptureRequest> request, + bool streaming = false); + virtual status_t cancelRequest(int requestId); + + // Returns -EBUSY if device is not idle + virtual status_t deleteStream(int streamId); + + virtual status_t createStream( + int width, + int height, + int format, + const sp<IGraphicBufferProducer>& bufferProducer); + + // Create a request object from a template. + virtual status_t createDefaultRequest(int templateId, + /*out*/ + CameraMetadata* request); + + // Get the static metadata for the camera + // -- Caller owns the newly allocated metadata + virtual status_t getCameraInfo(/*out*/CameraMetadata* info); + + // Wait until all the submitted requests have finished processing + virtual status_t waitUntilIdle(); + + // Flush all active and pending requests as fast as possible + virtual status_t flush(); + + /** + * Interface used by CameraService + */ + + CameraDeviceClient(const sp<CameraService>& cameraService, + const sp<ICameraDeviceCallbacks>& remoteCallback, + const String16& clientPackageName, + int cameraId, + int cameraFacing, + int clientPid, + uid_t clientUid, + int servicePid); + virtual ~CameraDeviceClient(); + + virtual status_t initialize(camera_module_t *module); + + virtual status_t dump(int fd, const Vector<String16>& args); + + /** + * Device listener interface + */ + + virtual void notifyIdle(); + virtual void notifyError(); + virtual void notifyShutter(int requestId, nsecs_t timestamp); + + /** + * Interface used by independent components of CameraDeviceClient. + */ +protected: + /** FilteredListener implementation **/ + virtual void onFrameAvailable(int32_t requestId, + const CameraMetadata& frame); + virtual void detachDevice(); + + // Calculate the ANativeWindow transform from android.sensor.orientation + status_t getRotationTransformLocked(/*out*/int32_t* transform); + +private: + /** ICameraDeviceUser interface-related private members */ + + /** Preview callback related members */ + sp<camera2::FrameProcessorBase> mFrameProcessor; + static const int32_t FRAME_PROCESSOR_LISTENER_MIN_ID = 0; + static const int32_t FRAME_PROCESSOR_LISTENER_MAX_ID = 0x7fffffffL; + + /** Utility members */ + bool enforceRequestPermissions(CameraMetadata& metadata); + + // IGraphicsBufferProducer binder -> Stream ID + KeyedVector<sp<IBinder>, int> mStreamMap; + + // Stream ID + Vector<int> mStreamingRequestList; + + int32_t mRequestIdCounter; +}; + +}; // namespace android + +#endif |