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Diffstat (limited to 'camera/ICameraService.cpp')
-rw-r--r-- | camera/ICameraService.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/camera/ICameraService.cpp b/camera/ICameraService.cpp new file mode 100644 index 0000000..c74298a --- /dev/null +++ b/camera/ICameraService.cpp @@ -0,0 +1,113 @@ +/* +** +** Copyright 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. +*/ + +#include <stdint.h> +#include <sys/types.h> + +#include <binder/Parcel.h> +#include <binder/IPCThreadState.h> +#include <binder/IServiceManager.h> + +#include <camera/ICameraService.h> + +namespace android { + +class BpCameraService: public BpInterface<ICameraService> +{ +public: + BpCameraService(const sp<IBinder>& impl) + : BpInterface<ICameraService>(impl) + { + } + + // get number of cameras available + virtual int32_t getNumberOfCameras() + { + Parcel data, reply; + data.writeInterfaceToken(ICameraService::getInterfaceDescriptor()); + remote()->transact(BnCameraService::GET_NUMBER_OF_CAMERAS, data, &reply); + return reply.readInt32(); + } + + // get information about a camera + virtual status_t getCameraInfo(int cameraId, + struct CameraInfo* cameraInfo) { + Parcel data, reply; + data.writeInterfaceToken(ICameraService::getInterfaceDescriptor()); + data.writeInt32(cameraId); + remote()->transact(BnCameraService::GET_CAMERA_INFO, data, &reply); + cameraInfo->facing = reply.readInt32(); + cameraInfo->orientation = reply.readInt32(); + return reply.readInt32(); + } + + // connect to camera service + virtual sp<ICamera> connect(const sp<ICameraClient>& cameraClient, int cameraId, + bool force, bool keep) + { + Parcel data, reply; + data.writeInterfaceToken(ICameraService::getInterfaceDescriptor()); + data.writeStrongBinder(cameraClient->asBinder()); + data.writeInt32(cameraId); + data.writeInt32(force); + data.writeInt32(keep); + remote()->transact(BnCameraService::CONNECT, data, &reply); + return interface_cast<ICamera>(reply.readStrongBinder()); + } +}; + +IMPLEMENT_META_INTERFACE(CameraService, "android.hardware.ICameraService"); + +// ---------------------------------------------------------------------- + +status_t BnCameraService::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + switch(code) { + case GET_NUMBER_OF_CAMERAS: { + CHECK_INTERFACE(ICameraService, data, reply); + reply->writeInt32(getNumberOfCameras()); + return NO_ERROR; + } break; + case GET_CAMERA_INFO: { + CHECK_INTERFACE(ICameraService, data, reply); + CameraInfo cameraInfo; + memset(&cameraInfo, 0, sizeof(cameraInfo)); + status_t result = getCameraInfo(data.readInt32(), &cameraInfo); + reply->writeInt32(cameraInfo.facing); + reply->writeInt32(cameraInfo.orientation); + reply->writeInt32(result); + return NO_ERROR; + } break; + case CONNECT: { + CHECK_INTERFACE(ICameraService, data, reply); + sp<ICameraClient> cameraClient = interface_cast<ICameraClient>(data.readStrongBinder()); + const int cameraId = data.readInt32(); + const int force = data.readInt32(); + const int keep = data.readInt32(); + sp<ICamera> camera = connect(cameraClient, cameraId, force, keep); + reply->writeStrongBinder(camera->asBinder()); + return NO_ERROR; + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } +} + +// ---------------------------------------------------------------------------- + +}; // namespace android |