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Commit a3628756 authored by Laurent Aimar's avatar Laurent Aimar
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Fixed extract video filter when requesting black color. 

It closes #4695.
parent 37f89f65
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Showing with 6 additions and 3 deletions
modules/video_filter/extract.c
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...@@ -291,9 +291,12 @@ static void make_projection_matrix( filter_t *p_filter, int color, int *matrix ) ...@@ -291,9 +291,12 @@ static void make_projection_matrix( filter_t *p_filter, int color, int *matrix )
double green = ((double)(( 0x00FF00 & color )>>8))/255.; double green = ((double)(( 0x00FF00 & color )>>8))/255.;
double blue = ((double)( 0x0000FF & color ))/255.; double blue = ((double)( 0x0000FF & color ))/255.;
double norm = sqrt( red*red + green*green + blue*blue ); double norm = sqrt( red*red + green*green + blue*blue );
if( norm > 0 )
{
red /= norm; red /= norm;
green /= norm; green /= norm;
blue /= norm; blue /= norm;
}
/* XXX: We might still need to norm the rgb_matrix */ /* XXX: We might still need to norm the rgb_matrix */
double rgb_matrix[9] = double rgb_matrix[9] =
{ red*red, red*green, red*blue, { red*red, red*green, red*blue,
......
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