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/*
* cv_base_class.cpp - base class for all OpenCV related features
*
* Copyright (c) 2016-2017 Intel Corporation
*
* 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.
*
* Author: Andrey Parfenov <a1994ndrey@gmail.com>
* Author: Wind Yuan <feng.yuan@intel.com>
*/
#include "cv_base_class.h"
namespace XCam {
CVBaseClass::CVBaseClass ()
{
_cv_context = CVContext::instance ();
XCAM_ASSERT (_cv_context.ptr ());
_use_ocl = _cv_context->is_ocl_enabled ();
}
bool
CVBaseClass::set_ocl (bool use_ocl)
{
if (use_ocl && !_cv_context->is_ocl_enabled ()) {
return false;
}
_use_ocl = use_ocl;
return true;
}
bool
CVBaseClass::convert_to_mat (SmartPtr<VideoBuffer> buffer, cv::Mat &image)
{
VideoBufferInfo info = buffer->get_video_info ();
XCAM_FAIL_RETURN (WARNING, info.format == V4L2_PIX_FMT_NV12, false, "convert_to_mat only support NV12 format");
uint8_t *ptr = buffer->map ();
XCAM_FAIL_RETURN (WARNING, ptr, false, "convert_to_mat buffer map failed");
cv::Mat mat = cv::Mat (info.aligned_height * 3 / 2, info.width, CV_8UC1, ptr, info.strides[0]);
cv::cvtColor (mat, image, cv::COLOR_YUV2BGR_NV12);
//buffer->unmap ();
return true;
}
bool
convert_to_mat (SmartPtr<VideoBuffer> buffer, cv::Mat &image)
{
CVBaseClass cv_obj;
return cv_obj.convert_to_mat (buffer, image);
}
}
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