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fixed #924

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This commit is contained in:
Alexander Shishkov 2012-02-22 12:16:01 +00:00
parent f7866677eb
commit 50df95650a
1 changed files with 21 additions and 1 deletions
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22
modules/highgui/src/cap_ffmpeg_impl.hpp
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@ -1199,13 +1199,33 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
temp_image.width = width; temp_image.width = width;
temp_image.height = height; temp_image.height = height;
temp_image.cn = cn; temp_image.cn = cn;
temp_image.data = malloc(temp_image.step*temp_image.height); temp_image.data = (unsigned char*)malloc(temp_image.step*temp_image.height);
} }
for( int y = 0; y < height; y++ ) for( int y = 0; y < height; y++ )
memcpy(temp_image.data + y*temp_image.step, data + (height-1-y)*step, width*cn); memcpy(temp_image.data + y*temp_image.step, data + (height-1-y)*step, width*cn);
data = temp_image.data; data = temp_image.data;
step = temp_image.step; step = temp_image.step;
} }
#else
if( width*cn != step )
{
if( !temp_image.data )
{
temp_image.step = width*cn;
temp_image.width = width;
temp_image.height = height;
temp_image.cn = cn;
temp_image.data = (unsigned char*)malloc(temp_image.step*temp_image.height);
}
if (origin == 1)
for( int y = 0; y < height; y++ )
memcpy(temp_image.data + y*temp_image.step, data + (height-1-y)*step, temp_image.step);
else
for( int y = 0; y < height; y++ )
memcpy(temp_image.data + y*temp_image.step, data + y*step, temp_image.step);
data = temp_image.data;
step = temp_image.step;
}
#endif #endif
// check parameters // check parameters