renamed gpuoptflow -> cudaoptflow
This commit is contained in:
Vladislav Vinogradov
113
modules/cudaoptflow/src/interpolate_frames.cpp
Normal file
113
modules/cudaoptflow/src/interpolate_frames.cpp
Normal file
@@ -0,0 +1,113 @@
|
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
||||
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of the copyright holders may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#include "precomp.hpp"
|
||||
|
||||
using namespace cv;
|
||||
using namespace cv::cuda;
|
||||
|
||||
#if !defined (HAVE_CUDA) || !defined (HAVE_OPENCV_CUDALEGACY) || defined (CUDA_DISABLER)
|
||||
|
||||
void cv::cuda::interpolateFrames(const GpuMat&, const GpuMat&, const GpuMat&, const GpuMat&, const GpuMat&, const GpuMat&, float, GpuMat&, GpuMat&, Stream&) { throw_no_cuda(); }
|
||||
|
||||
#else
|
||||
|
||||
void cv::cuda::interpolateFrames(const GpuMat& frame0, const GpuMat& frame1, const GpuMat& fu, const GpuMat& fv, const GpuMat& bu, const GpuMat& bv,
|
||||
float pos, GpuMat& newFrame, GpuMat& buf, Stream& s)
|
||||
{
|
||||
CV_Assert(frame0.type() == CV_32FC1);
|
||||
CV_Assert(frame1.size() == frame0.size() && frame1.type() == frame0.type());
|
||||
CV_Assert(fu.size() == frame0.size() && fu.type() == frame0.type());
|
||||
CV_Assert(fv.size() == frame0.size() && fv.type() == frame0.type());
|
||||
CV_Assert(bu.size() == frame0.size() && bu.type() == frame0.type());
|
||||
CV_Assert(bv.size() == frame0.size() && bv.type() == frame0.type());
|
||||
|
||||
newFrame.create(frame0.size(), frame0.type());
|
||||
|
||||
buf.create(6 * frame0.rows, frame0.cols, CV_32FC1);
|
||||
buf.setTo(Scalar::all(0));
|
||||
|
||||
// occlusion masks
|
||||
GpuMat occ0 = buf.rowRange(0 * frame0.rows, 1 * frame0.rows);
|
||||
GpuMat occ1 = buf.rowRange(1 * frame0.rows, 2 * frame0.rows);
|
||||
|
||||
// interpolated forward flow
|
||||
GpuMat fui = buf.rowRange(2 * frame0.rows, 3 * frame0.rows);
|
||||
GpuMat fvi = buf.rowRange(3 * frame0.rows, 4 * frame0.rows);
|
||||
|
||||
// interpolated backward flow
|
||||
GpuMat bui = buf.rowRange(4 * frame0.rows, 5 * frame0.rows);
|
||||
GpuMat bvi = buf.rowRange(5 * frame0.rows, 6 * frame0.rows);
|
||||
|
||||
size_t step = frame0.step;
|
||||
|
||||
CV_Assert(frame1.step == step && fu.step == step && fv.step == step && bu.step == step && bv.step == step && newFrame.step == step && buf.step == step);
|
||||
|
||||
cudaStream_t stream = StreamAccessor::getStream(s);
|
||||
NppStStreamHandler h(stream);
|
||||
|
||||
NppStInterpolationState state;
|
||||
|
||||
state.size = NcvSize32u(frame0.cols, frame0.rows);
|
||||
state.nStep = static_cast<Ncv32u>(step);
|
||||
state.pSrcFrame0 = const_cast<Ncv32f*>(frame0.ptr<Ncv32f>());
|
||||
state.pSrcFrame1 = const_cast<Ncv32f*>(frame1.ptr<Ncv32f>());
|
||||
state.pFU = const_cast<Ncv32f*>(fu.ptr<Ncv32f>());
|
||||
state.pFV = const_cast<Ncv32f*>(fv.ptr<Ncv32f>());
|
||||
state.pBU = const_cast<Ncv32f*>(bu.ptr<Ncv32f>());
|
||||
state.pBV = const_cast<Ncv32f*>(bv.ptr<Ncv32f>());
|
||||
state.pos = pos;
|
||||
state.pNewFrame = newFrame.ptr<Ncv32f>();
|
||||
state.ppBuffers[0] = occ0.ptr<Ncv32f>();
|
||||
state.ppBuffers[1] = occ1.ptr<Ncv32f>();
|
||||
state.ppBuffers[2] = fui.ptr<Ncv32f>();
|
||||
state.ppBuffers[3] = fvi.ptr<Ncv32f>();
|
||||
state.ppBuffers[4] = bui.ptr<Ncv32f>();
|
||||
state.ppBuffers[5] = bvi.ptr<Ncv32f>();
|
||||
|
||||
ncvSafeCall( nppiStInterpolateFrames(&state) );
|
||||
|
||||
if (stream == 0)
|
||||
cudaSafeCall( cudaDeviceSynchronize() );
|
||||
}
|
||||
|
||||
#endif /* HAVE_CUDA */
|
||||
Reference in New Issue
Block a user