extern "C" sp<CameraHardwareInterface> HAL_openCameraHardware(int cameraId) { LOGV("openCameraHardware: call createInstance"); if (getNumberOfCameras() == 2) { htcCameraSwitch(cameraId); #ifdef BOARD_USE_REVERSE_FFC if (cameraId == 1) { /* Change default parameters for the front camera */ sp<CameraHardwareInterface> hardware = openCameraHardware(cameraId); if (hardware != NULL) { CameraParameters params(hardware->getParameters()); params.set("front-camera-mode", "reverse"); // default is "mirror" hardware->setParameters(params); } return hardware; } #endif } return openCameraHardware(cameraId); }
sp<ICamera> CameraService::connect( const sp<ICameraClient>& cameraClient, int cameraId) { int callingPid = getCallingPid(); LOG1("CameraService::connect E (pid %d, id %d)", callingPid, cameraId); if (!mModule) { ALOGE("Camera HAL module not loaded"); return NULL; } sp<Client> client; if (cameraId < 0 || cameraId >= mNumberOfCameras) { ALOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).", callingPid, cameraId); return NULL; } char value[PROPERTY_VALUE_MAX]; property_get("sys.secpolicy.camera.disabled", value, "0"); if (strcmp(value, "1") == 0) { // Camera is disabled by DevicePolicyManager. ALOGI("Camera is disabled. connect X (pid %d) rejected", callingPid); return NULL; } #if defined(BOARD_HAVE_HTC_FFC) htcCameraSwitch(cameraId); #endif Mutex::Autolock lock(mServiceLock); if (mClient[cameraId] != 0) { client = mClient[cameraId].promote(); if (client != 0) { if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) { LOG1("CameraService::connect X (pid %d) (the same client)", callingPid); return client; } else { ALOGW("CameraService::connect X (pid %d) rejected (existing client).", callingPid); return NULL; } } mClient[cameraId].clear(); } if (mBusy[cameraId]) { ALOGW("CameraService::connect X (pid %d) rejected" " (camera %d is still busy).", callingPid, cameraId); return NULL; } struct camera_info info; if (mModule->get_camera_info(cameraId, &info) != OK) { ALOGE("Invalid camera id %d", cameraId); return NULL; } int deviceVersion; if (mModule->common.module_api_version == CAMERA_MODULE_API_VERSION_2_0) { deviceVersion = info.device_version; } else { deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; } switch(deviceVersion) { case CAMERA_DEVICE_API_VERSION_1_0: client = new CameraClient(this, cameraClient, cameraId, info.facing, callingPid, getpid()); break; case CAMERA_DEVICE_API_VERSION_2_0: client = new Camera2Client(this, cameraClient, cameraId, info.facing, callingPid, getpid()); break; default: ALOGE("Unknown camera device HAL version: %d", deviceVersion); return NULL; } if (client->initialize(mModule) != OK) { return NULL; } cameraClient->asBinder()->linkToDeath(this); mClient[cameraId] = client; LOG1("CameraService::connect X (id %d, this pid is %d)", cameraId, getpid()); return client; }