129 lines
3.2 KiB
C++
129 lines
3.2 KiB
C++
/*
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* Copyright (C) Texas Instruments - http://www.ti.com/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file CameraProperties.cpp
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*
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* This file maps the CameraHardwareInterface to the Camera interfaces on OMAP4 (mainly OMX).
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*
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*/
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//#include "CameraHal.h"
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#include <utils/threads.h>
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#include "DebugUtils.h"
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#include "CameraProperties.h"
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#define CAMERA_ROOT "CameraRoot"
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#define CAMERA_INSTANCE "CameraInstance"
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namespace android {
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// lower entries have higher priority
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static const char* g_camera_adapters[] = {
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#ifdef OMAP4_SUPPORT_OMX_CAMERA_ADAPTER
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"libomxcameraadapter.so",
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#endif
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#ifdef OMAP4_SUPPORT_USB_CAMERA_ADAPTER
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"libusbcameraadapter.so"
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#endif
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};
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/*********************************************************
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CameraProperties - public function implemetation
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**********************************************************/
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CameraProperties::CameraProperties() : mCamerasSupported(0)
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{
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LOG_FUNCTION_NAME;
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mCamerasSupported = 0;
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mInitialized = 0;
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LOG_FUNCTION_NAME_EXIT;
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}
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CameraProperties::~CameraProperties()
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{
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LOG_FUNCTION_NAME;
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LOG_FUNCTION_NAME_EXIT;
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}
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// Initializes the CameraProperties class
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status_t CameraProperties::initialize()
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{
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LOG_FUNCTION_NAME;
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status_t ret;
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Mutex::Autolock lock(mLock);
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if(mInitialized)
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return NO_ERROR;
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ret = loadProperties();
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mInitialized = 1;
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LOG_FUNCTION_NAME_EXIT;
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return ret;
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}
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extern "C" int CameraAdapter_Capabilities(CameraProperties::Properties* properties_array,
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const unsigned int starting_camera,
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const unsigned int max_camera);
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///Loads all the Camera related properties
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status_t CameraProperties::loadProperties()
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{
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LOG_FUNCTION_NAME;
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status_t ret = NO_ERROR;
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// adapter updates capabilities and we update camera count
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mCamerasSupported = CameraAdapter_Capabilities(mCameraProps, mCamerasSupported, MAX_CAMERAS_SUPPORTED);
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if((int)mCamerasSupported < 0) {
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ALOGE("error while getting capabilities");
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ret = UNKNOWN_ERROR;
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} else if (mCamerasSupported > MAX_CAMERAS_SUPPORTED) {
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ALOGE("returned too many adapaters");
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ret = UNKNOWN_ERROR;
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} else {
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ALOGE("num_cameras = %d", mCamerasSupported);
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for (unsigned int i = 0; i < mCamerasSupported; i++) {
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mCameraProps[i].set(CAMERA_SENSOR_INDEX, i);
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mCameraProps[i].dump();
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}
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}
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ALOGV("mCamerasSupported = %d", mCamerasSupported);
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LOG_FUNCTION_NAME_EXIT;
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return ret;
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}
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// Returns the number of Cameras found
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int CameraProperties::camerasSupported()
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{
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LOG_FUNCTION_NAME;
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return mCamerasSupported;
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}
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};
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