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Diffstat (limited to 'camera/CameraProperties.cpp')
-rw-r--r-- | camera/CameraProperties.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/camera/CameraProperties.cpp b/camera/CameraProperties.cpp new file mode 100644 index 0000000..93bc953 --- /dev/null +++ b/camera/CameraProperties.cpp @@ -0,0 +1,135 @@ +/* + * Copyright (C) Texas Instruments - http://www.ti.com/ + * + * 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. + */ + +/** +* @file CameraProperties.cpp +* +* This file maps the CameraHardwareInterface to the Camera interfaces on OMAP4 (mainly OMX). +* +*/ + +#include "CameraProperties.h" + +#define CAMERA_ROOT "CameraRoot" +#define CAMERA_INSTANCE "CameraInstance" + +namespace Ti { +namespace Camera { + +// lower entries have higher priority +static const char* g_camera_adapters[] = { +#ifdef OMAP4_SUPPORT_OMX_CAMERA_ADAPTER + "libomxcameraadapter.so", +#endif +#ifdef OMAP4_SUPPORT_USB_CAMERA_ADAPTER + "libusbcameraadapter.so" +#endif +}; + +/********************************************************* + CameraProperties - public function implemetation +**********************************************************/ + +CameraProperties::CameraProperties() : mCamerasSupported(0) +{ + LOG_FUNCTION_NAME; + + mCamerasSupported = 0; + mInitialized = 0; + + LOG_FUNCTION_NAME_EXIT; +} + +CameraProperties::~CameraProperties() +{ + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; +} + + +// Initializes the CameraProperties class +status_t CameraProperties::initialize() +{ + LOG_FUNCTION_NAME; + + status_t ret; + + android::AutoMutex lock(mLock); + + if(mInitialized) + return NO_ERROR; + + ret = loadProperties(); + + if (ret == NO_ERROR) { + mInitialized = 1; + } + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +extern "C" status_t CameraAdapter_Capabilities(CameraProperties::Properties* properties_array, + int starting_camera, int max_camera, int & supported_cameras); + +///Loads all the Camera related properties +status_t CameraProperties::loadProperties() +{ + LOG_FUNCTION_NAME; + + status_t ret = NO_ERROR; + + //Must be re-initialized here, since loadProperties() could potentially be called more than once. + mCamerasSupported = 0; + + // adapter updates capabilities and we update camera count + const status_t err = CameraAdapter_Capabilities(mCameraProps, mCamerasSupported, + MAX_CAMERAS_SUPPORTED, mCamerasSupported); + + if(err != NO_ERROR) { + CAMHAL_LOGE("error while getting capabilities"); + ret = UNKNOWN_ERROR; + } else if (mCamerasSupported == 0) { + CAMHAL_LOGE("camera busy. properties not loaded. num_cameras = %d", mCamerasSupported); + ret = UNKNOWN_ERROR; + } else if (mCamerasSupported > MAX_CAMERAS_SUPPORTED) { + CAMHAL_LOGE("returned too many adapaters"); + ret = UNKNOWN_ERROR; + } else { + CAMHAL_LOGI("num_cameras = %d", mCamerasSupported); + + for (int i = 0; i < mCamerasSupported; i++) { + mCameraProps[i].setSensorIndex(i); + mCameraProps[i].dump(); + } + } + + CAMHAL_LOGV("mCamerasSupported = %d", mCamerasSupported); + LOG_FUNCTION_NAME_EXIT; + return ret; +} + +// Returns the number of Cameras found +int CameraProperties::camerasSupported() +{ + LOG_FUNCTION_NAME; + return mCamerasSupported; +} + +} // namespace Camera +} // namespace Ti |