frame_source.cpp 6.8 KB
Newer Older
wester committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256
/*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;
using namespace cv::superres;
using namespace cv::superres::detail;

cv::superres::FrameSource::~FrameSource()
{
}

//////////////////////////////////////////////////////
// EmptyFrameSource

namespace
{
    class EmptyFrameSource : public FrameSource
    {
    public:
        void nextFrame(OutputArray frame);
        void reset();
    };

    void EmptyFrameSource::nextFrame(OutputArray frame)
    {
        frame.release();
    }

    void EmptyFrameSource::reset()
    {
    }
}

Ptr<FrameSource> cv::superres::createFrameSource_Empty()
{
    return makePtr<EmptyFrameSource>();
}

//////////////////////////////////////////////////////
// VideoFrameSource & CameraFrameSource

#ifndef HAVE_OPENCV_VIDEOIO

Ptr<FrameSource> cv::superres::createFrameSource_Video(const String& fileName)
{
    (void) fileName;
    CV_Error(cv::Error::StsNotImplemented, "The called functionality is disabled for current build or platform");
    return Ptr<FrameSource>();
}

Ptr<FrameSource> cv::superres::createFrameSource_Camera(int deviceId)
{
    (void) deviceId;
    CV_Error(cv::Error::StsNotImplemented, "The called functionality is disabled for current build or platform");
    return Ptr<FrameSource>();
}

#else // HAVE_OPENCV_VIDEOIO

namespace
{
    class CaptureFrameSource : public FrameSource
    {
    public:
        void nextFrame(OutputArray frame);

    protected:
        VideoCapture vc_;

    private:
        Mat frame_;
    };

    void CaptureFrameSource::nextFrame(OutputArray _frame)
    {
        if (_frame.kind() == _InputArray::MAT)
            vc_ >> _frame.getMatRef();
        else if(_frame.kind() == _InputArray::CUDA_GPU_MAT)
        {
            vc_ >> frame_;
            arrCopy(frame_, _frame);
        }
        else if (_frame.isUMat())
            vc_ >> *(UMat *)_frame.getObj();
        else
        {
            // should never get here
            CV_Error(Error::StsBadArg, "Failed to detect input frame kind" );
        }
    }

    class VideoFrameSource : public CaptureFrameSource
    {
    public:
        VideoFrameSource(const String& fileName);

        void reset();

    private:
        String fileName_;
    };

    VideoFrameSource::VideoFrameSource(const String& fileName) : fileName_(fileName)
    {
        reset();
    }

    void VideoFrameSource::reset()
    {
        vc_.release();
        vc_.open(fileName_);
        CV_Assert( vc_.isOpened() );
    }

    class CameraFrameSource : public CaptureFrameSource
    {
    public:
        CameraFrameSource(int deviceId);

        void reset();

    private:
        int deviceId_;
    };

    CameraFrameSource::CameraFrameSource(int deviceId) : deviceId_(deviceId)
    {
        reset();
    }

    void CameraFrameSource::reset()
    {
        vc_.release();
        vc_.open(deviceId_);
        CV_Assert( vc_.isOpened() );
    }
}

Ptr<FrameSource> cv::superres::createFrameSource_Video(const String& fileName)
{
    return makePtr<VideoFrameSource>(fileName);
}

Ptr<FrameSource> cv::superres::createFrameSource_Camera(int deviceId)
{
    return makePtr<CameraFrameSource>(deviceId);
}

#endif // HAVE_OPENCV_VIDEOIO

//////////////////////////////////////////////////////
// VideoFrameSource_CUDA

#ifndef HAVE_OPENCV_CUDACODEC

Ptr<FrameSource> cv::superres::createFrameSource_Video_CUDA(const String& fileName)
{
    (void) fileName;
    CV_Error(cv::Error::StsNotImplemented, "The called functionality is disabled for current build or platform");
    return Ptr<FrameSource>();
}

#else // HAVE_OPENCV_CUDACODEC

namespace
{
    class VideoFrameSource_CUDA : public FrameSource
    {
    public:
        VideoFrameSource_CUDA(const String& fileName);

        void nextFrame(OutputArray frame);
        void reset();

    private:
        String fileName_;
        Ptr<cudacodec::VideoReader> reader_;
        GpuMat frame_;
    };

    VideoFrameSource_CUDA::VideoFrameSource_CUDA(const String& fileName) : fileName_(fileName)
    {
        reset();
    }

    void VideoFrameSource_CUDA::nextFrame(OutputArray _frame)
    {
        if (_frame.kind() == _InputArray::CUDA_GPU_MAT)
        {
            bool res = reader_->nextFrame(_frame.getGpuMatRef());
            if (!res)
                _frame.release();
        }
        else
        {
            bool res = reader_->nextFrame(frame_);
            if (!res)
                _frame.release();
            else
                arrCopy(frame_, _frame);
        }
    }

    void VideoFrameSource_CUDA::reset()
    {
        reader_ = cudacodec::createVideoReader(fileName_);
    }
}

Ptr<FrameSource> cv::superres::createFrameSource_Video_CUDA(const String& fileName)
{
    return makePtr<VideoFrameSource_CUDA>(fileName);
}

#endif // HAVE_OPENCV_CUDACODEC