cudacvtfloat.cpp
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright 2016 Li Li, Colin Heinzmann *
* *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <iostream>
using namespace std;
#include <unistd.h>
#include <opencv2/opencv.hpp>
using namespace cv;
#include <openbr/plugins/openbr_internal.h>
// definitions from the CUDA source file
namespace br { namespace cuda { namespace cvtfloat {
void wrapper(void* src, void** dst, int rows, int cols);
}}}
namespace br
{
/*!
* \ingroup transforms
* \brief Converts 8-bit images currently on GPU into 32-bit floating point equivalent.
* \author Colin Heinzmann \cite DepthDeluxe
*/
class CUDACvtFloatTransform : public UntrainableTransform
{
Q_OBJECT
public:
void project(const Template &src, Template &dst) const
{
void* const* srcDataPtr = src.m().ptr<void*>();
int rows = *((int*)srcDataPtr[1]);
int cols = *((int*)srcDataPtr[2]);
int type = *((int*)srcDataPtr[3]);
// assume the image type is 256-monochrome
// TODO(colin): real exception handling
if (type != CV_8UC1) {
cout << "ERR: Invalid memory format" << endl;
return;
}
// build the destination mat
Mat dstMat = Mat(src.m().rows, src.m().cols, src.m().type());
void** dstDataPtr = dstMat.ptr<void*>();
dstDataPtr[1] = srcDataPtr[1];
dstDataPtr[2] = srcDataPtr[2];
dstDataPtr[3] = srcDataPtr[3]; *((int*)dstDataPtr[3]) = CV_32FC1;
cuda::cvtfloat::wrapper(srcDataPtr[0], &dstDataPtr[0], rows, cols);
dst = dstMat;
}
};
BR_REGISTER(Transform, CUDACvtFloatTransform)
} // namespace br
#include "cuda/cudacvtfloat.moc"