--- /dev/null
+/*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.
+//
+//
+// Intel License Agreement
+// For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, Intel Corporation, 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 Intel Corporation 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 "_highgui.h"
+
+extern "C"
+{
+typedef void* (*CvCreateFileCapture_Plugin)( const char* filename );
+typedef void* (*CvCreateCameraCapture_Plugin)( int index );
+typedef int (*CvGrabFrame_Plugin)( void* capture_handle );
+typedef IplImage* (*CvRetrieveFrame_Plugin)( void* capture_handle, int );
+typedef int (*CvSetCaptureProperty_Plugin)( void* capture_handle, int prop_id, double value );
+typedef double (*CvGetCaptureProperty_Plugin)( void* capture_handle, int prop_id );
+typedef void (*CvReleaseCapture_Plugin)( void** capture_handle );
+typedef void* (*CvCreateVideoWriter_Plugin)( const char* filename, int fourcc,
+ double fps, CvSize frameSize, int isColor );
+typedef int (*CvWriteFrame_Plugin)( void* writer_handle, const IplImage* frame );
+typedef void (*CvReleaseVideoWriter_Plugin)( void** writer );
+}
+
+static HMODULE icvFFOpenCV = 0;
+static CvCreateFileCapture_Plugin icvCreateFileCapture_FFMPEG_p = 0;
+static CvReleaseCapture_Plugin icvReleaseCapture_FFMPEG_p = 0;
+static CvGrabFrame_Plugin icvGrabFrame_FFMPEG_p = 0;
+static CvRetrieveFrame_Plugin icvRetrieveFrame_FFMPEG_p = 0;
+static CvSetCaptureProperty_Plugin icvSetCaptureProperty_FFMPEG_p = 0;
+static CvGetCaptureProperty_Plugin icvGetCaptureProperty_FFMPEG_p = 0;
+static CvCreateVideoWriter_Plugin icvCreateVideoWriter_FFMPEG_p = 0;
+static CvReleaseVideoWriter_Plugin icvReleaseVideoWriter_FFMPEG_p = 0;
+static CvWriteFrame_Plugin icvWriteFrame_FFMPEG_p = 0;
+
+static void
+icvInitFFMPEG(void)
+{
+ static int ffmpegInitialized = 0;
+ if( !ffmpegInitialized )
+ {
+#ifdef __MINGW32__
+#define ffopencv_prefix "lib"
+#else
+#define ffopencv_prefix ""
+#endif
+#if defined(_DEBUG) && defined(__MINGW32__)
+#define ffopencv_suffix_dbg "d"
+#else
+#define ffopencv_suffix_dbg ""
+#endif
+#if defined EM64T
+#define ffopencv_suffix "_64"
+#else
+#define ffopencv_suffix ""
+#endif
+
+#define ffopencv_name_m2(a,b,c) ffopencv_prefix "opencv_ffmpeg" #a #b #c ffopencv_suffix ffopencv_suffix_dbg ".dll"
+#define ffopencv_name_m(a,b,c) ffopencv_name_m2(a,b,c)
+ const char* ffopencv_name =
+ ffopencv_name_m(CV_MAJOR_VERSION,CV_MINOR_VERSION,CV_SUBMINOR_VERSION);
+
+ icvFFOpenCV = LoadLibrary( ffopencv_name );
+ if( icvFFOpenCV )
+ {
+ icvCreateFileCapture_FFMPEG_p =
+ (CvCreateFileCapture_Plugin)GetProcAddress(icvFFOpenCV, "cvCreateFileCapture_FFMPEG");
+ icvReleaseCapture_FFMPEG_p =
+ (CvReleaseCapture_Plugin)GetProcAddress(icvFFOpenCV, "cvReleaseCapture_FFMPEG");
+ icvGrabFrame_FFMPEG_p =
+ (CvGrabFrame_Plugin)GetProcAddress(icvFFOpenCV, "cvGrabFrame_FFMPEG");
+ icvRetrieveFrame_FFMPEG_p =
+ (CvRetrieveFrame_Plugin)GetProcAddress(icvFFOpenCV, "cvRetrieveFrame_FFMPEG");
+ icvSetCaptureProperty_FFMPEG_p =
+ (CvSetCaptureProperty_Plugin)GetProcAddress(icvFFOpenCV, "cvSetCaptureProperty_FFMPEG");
+ icvGetCaptureProperty_FFMPEG_p =
+ (CvGetCaptureProperty_Plugin)GetProcAddress(icvFFOpenCV, "cvGetCaptureProperty_FFMPEG");
+ icvCreateVideoWriter_FFMPEG_p =
+ (CvCreateVideoWriter_Plugin)GetProcAddress(icvFFOpenCV, "cvCreateVideoWriter_FFMPEG");
+ icvReleaseVideoWriter_FFMPEG_p =
+ (CvReleaseVideoWriter_Plugin)GetProcAddress(icvFFOpenCV, "cvReleaseVideoWriter_FFMPEG");
+ icvWriteFrame_FFMPEG_p =
+ (CvWriteFrame_Plugin)GetProcAddress(icvFFOpenCV, "cvWriteFrame_FFMPEG");
+ }
+ ffmpegInitialized = 1;
+ }
+}
+
+
+class CvCapture_FFMPEG_proxy : public CvCapture
+{
+public:
+ CvCapture_FFMPEG_proxy() { ffmpegCapture = 0; }
+ virtual ~CvCapture_FFMPEG_proxy() { close(); }
+
+ virtual double getProperty(int propId)
+ {
+ return ffmpegCapture ? icvGetCaptureProperty_FFMPEG_p(ffmpegCapture, propId) : 0;
+ }
+ virtual bool setProperty(int propId, double value)
+ {
+ return ffmpegCapture ? icvSetCaptureProperty_FFMPEG_p(ffmpegCapture, propId, value)!=0 : false;
+ }
+ virtual bool grabFrame()
+ {
+ return ffmpegCapture ? icvGrabFrame_FFMPEG_p(ffmpegCapture)!=0 : false;
+ }
+ virtual IplImage* retrieveFrame(int)
+ {
+ return ffmpegCapture ? icvRetrieveFrame_FFMPEG_p(ffmpegCapture,0) : 0;
+ }
+ virtual bool open( const char* filename )
+ {
+ close();
+
+ icvInitFFMPEG();
+ if( !icvCreateFileCapture_FFMPEG_p )
+ return false;
+ ffmpegCapture = icvCreateFileCapture_FFMPEG_p( filename );
+ return ffmpegCapture != 0;
+ }
+ virtual void close()
+ {
+ if( ffmpegCapture && icvReleaseCapture_FFMPEG_p )
+ icvReleaseCapture_FFMPEG_p( &ffmpegCapture );
+ assert( ffmpegCapture == 0 );
+ ffmpegCapture = 0;
+ }
+
+protected:
+ void* ffmpegCapture;
+};
+
+
+CvCapture* cvCreateFileCapture_Win32(const char * filename)
+{
+ CvCapture_FFMPEG_proxy* result = new CvCapture_FFMPEG_proxy;
+ if( result->open( filename ))
+ return result;
+ delete result;
+ return cvCreateFileCapture_VFW(filename);
+}
+
+
+class CvVideoWriter_FFMPEG_proxy : public CvVideoWriter
+{
+public:
+ CvVideoWriter_FFMPEG_proxy() { ffmpegWriter = 0; }
+ virtual ~CvVideoWriter_FFMPEG_proxy() { close(); }
+
+ virtual bool writeFrame( const IplImage* image )
+ {
+ return ffmpegWriter ? icvWriteFrame_FFMPEG_p(ffmpegWriter, image)!=0 : false;
+ }
+ virtual bool open( const char* filename, int fourcc, double fps, CvSize frameSize, bool isColor )
+ {
+ close();
+ icvInitFFMPEG();
+ if( !icvCreateVideoWriter_FFMPEG_p )
+ return false;
+ ffmpegWriter = icvCreateVideoWriter_FFMPEG_p( filename, fourcc, fps, frameSize, isColor );
+ return ffmpegWriter != 0;
+ }
+
+ virtual void close()
+ {
+ if( ffmpegWriter && icvReleaseVideoWriter_FFMPEG_p )
+ icvReleaseVideoWriter_FFMPEG_p( &ffmpegWriter );
+ assert( ffmpegWriter == 0 );
+ ffmpegWriter = 0;
+ }
+
+protected:
+ void* ffmpegWriter;
+};
+
+
+CvVideoWriter* cvCreateVideoWriter_Win32( const char* filename, int fourcc,
+ double fps, CvSize frameSize, int isColor )
+{
+ CvVideoWriter_FFMPEG_proxy* result = new CvVideoWriter_FFMPEG_proxy;
+
+ if( result->open( filename, fourcc, fps, frameSize, isColor != 0 ))
+ return result;
+ delete result;
+
+ return cvCreateVideoWriter_VFW(filename, fourcc, fps, frameSize, isColor);
+}
projects / opencv / blobdiff