X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=src%2Fcvaux%2Fcvvideo.cpp;fp=src%2Fcvaux%2Fcvvideo.cpp;h=0fc022ac0abfa56d481fa6ff5964e3aa39c6a371;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hp=0000000000000000000000000000000000000000;hpb=454138ff8a20f6edb9b65a910101403d8b520643;p=opencv diff --git a/src/cvaux/cvvideo.cpp b/src/cvaux/cvvideo.cpp new file mode 100644 index 0000000..0fc022a --- /dev/null +++ b/src/cvaux/cvvideo.cpp @@ -0,0 +1,84 @@ +/*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. */ + +