1 files changed, 84 insertions, 0 deletions
diff --git a/cvaux/src/cvvideo.cpp b/cvaux/src/cvvideo.cpp
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+/*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 "_cvaux.h"
+
+CV_IMPL void
+cvDeInterlace( const CvArr* framearr, CvArr* fieldEven, CvArr* fieldOdd )
+{
+    CV_FUNCNAME("cvDeInterlace");
+    
+    __BEGIN__;
+
+    CvMat frame_stub, *frame = (CvMat*)framearr;
+    CvMat even_stub, *even = (CvMat*)fieldEven;
+    CvMat odd_stub, *odd = (CvMat*)fieldOdd;
+    CvSize size;
+    int y;
+
+    CV_CALL( frame = cvGetMat( frame, &frame_stub ));
+    CV_CALL( even = cvGetMat( even, &even_stub ));
+    CV_CALL( odd = cvGetMat( odd, &odd_stub ));
+
+    if( !CV_ARE_TYPES_EQ( frame, even ) || !CV_ARE_TYPES_EQ( frame, odd ))
+        CV_ERROR( CV_StsUnmatchedFormats, "All the input images must have the same type" );
+
+    if( frame->cols != even->cols || frame->cols != odd->cols ||
+        frame->rows != even->rows*2 || odd->rows != even->rows )
+        CV_ERROR( CV_StsUnmatchedSizes, "Uncorrelated sizes of the input image and output fields" );
+
+    size = cvGetMatSize( even );
+    size.width *= CV_ELEM_SIZE( even->type );
+
+    for( y = 0; y < size.height; y++ )
+    {
+        memcpy( even->data.ptr + even->step*y,
+                frame->data.ptr + frame->step*y*2, size.width );
+        memcpy( odd->data.ptr + even->step*y,
+                frame->data.ptr + frame->step*(y*2+1), size.width );
+    }  
+
+    __END__;
+}
+
+/* End of file. */
+
+