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/*
* 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
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