Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
4.2 KiB
120 lines
4.2 KiB
/*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) 2009-2011, 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" |
|
#include "opencv2/videostab/frame_source.hpp" |
|
#include "opencv2/videostab/ring_buffer.hpp" |
|
|
|
#include "opencv2/opencv_modules.hpp" |
|
#ifdef HAVE_OPENCV_VIDEOIO |
|
# include "opencv2/videoio.hpp" |
|
#endif |
|
|
|
namespace cv |
|
{ |
|
namespace videostab |
|
{ |
|
|
|
namespace { |
|
|
|
class VideoFileSourceImpl : public IFrameSource |
|
{ |
|
public: |
|
VideoFileSourceImpl(const String &path, bool volatileFrame) |
|
: path_(path), volatileFrame_(volatileFrame) { reset(); } |
|
|
|
virtual void reset() CV_OVERRIDE |
|
{ |
|
#ifdef HAVE_OPENCV_VIDEOIO |
|
vc.release(); |
|
vc.open(path_); |
|
if (!vc.isOpened()) |
|
CV_Error(0, "can't open file: " + path_); |
|
#else |
|
CV_Error(Error::StsNotImplemented, "OpenCV has been compiled without video I/O support"); |
|
#endif |
|
} |
|
|
|
virtual Mat nextFrame() CV_OVERRIDE |
|
{ |
|
Mat frame; |
|
#ifdef HAVE_OPENCV_VIDEOIO |
|
vc >> frame; |
|
#endif |
|
return volatileFrame_ ? frame : frame.clone(); |
|
} |
|
|
|
#ifdef HAVE_OPENCV_VIDEOIO |
|
int width() {return static_cast<int>(vc.get(CAP_PROP_FRAME_WIDTH));} |
|
int height() {return static_cast<int>(vc.get(CAP_PROP_FRAME_HEIGHT));} |
|
int count() {return static_cast<int>(vc.get(CAP_PROP_FRAME_COUNT));} |
|
double fps() {return vc.get(CAP_PROP_FPS);} |
|
#else |
|
int width() {return 0;} |
|
int height() {return 0;} |
|
int count() {return 0;} |
|
double fps() {return 0;} |
|
#endif |
|
|
|
private: |
|
String path_; |
|
bool volatileFrame_; |
|
#ifdef HAVE_OPENCV_VIDEOIO |
|
VideoCapture vc; |
|
#endif |
|
}; |
|
|
|
}//namespace |
|
|
|
VideoFileSource::VideoFileSource(const String &path, bool volatileFrame) |
|
: impl(new VideoFileSourceImpl(path, volatileFrame)) {} |
|
|
|
void VideoFileSource::reset() { impl->reset(); } |
|
Mat VideoFileSource::nextFrame() { return impl->nextFrame(); } |
|
|
|
int VideoFileSource::width() { return ((VideoFileSourceImpl*)impl.get())->width(); } |
|
int VideoFileSource::height() { return ((VideoFileSourceImpl*)impl.get())->height(); } |
|
int VideoFileSource::count() { return ((VideoFileSourceImpl*)impl.get())->count(); } |
|
double VideoFileSource::fps() { return ((VideoFileSourceImpl*)impl.get())->fps(); } |
|
|
|
} // namespace videostab |
|
} // namespace cv
|
|
|