X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fcore%2Ffilter_mirror.c;h=e007ac2a06818758c152b3a0e97ece1afafe5eb9;hb=2ff111fe322cfdea5b879dd7912a8a375af62aff;hp=bc8927aae7b0b611b9958586c4645911cc162260;hpb=5b59ce704d4f317e845afa30c5ade12c0fd22d43;p=melted

diff --git a/src/modules/core/filter_mirror.c b/src/modules/core/filter_mirror.c
index bc8927a..e007ac2 100644
--- a/src/modules/core/filter_mirror.c
+++ b/src/modules/core/filter_mirror.c
@@ -145,6 +145,42 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format
 				}
 			}
 		}
+		else if ( !strcmp( mirror, "xdiagonal" ) )
+		{
+			uint8_t *end = ( uint8_t *)*image + *width * *height * 2;
+			uint8_t *p = NULL;
+			uint8_t *q = NULL;
+			int i;
+			int j;
+			for ( i = 0; i < *height; i ++ )
+			{
+				p = ( uint8_t * )*image + ( i + 1 ) * *width * 2;
+				q = end - ( i + 1 ) * *width * 2;
+				j = ( ( *width * ( *height - i ) ) / *height ) / 2;
+				if ( !reverse )
+				{
+					while ( j -- )
+					{
+						*q ++ = *( p - 2 );
+						*q ++ = *( p - 3 );
+						*q ++ = *( p - 4 );
+						*q ++ = *( p - 1 );
+						p -= 4;
+					}
+				}
+				else
+				{
+					while ( j -- )
+					{
+						*( p - 2 ) = *q ++;
+						*( p - 3 ) = *q ++;
+						*( p - 4 ) = *q ++;
+						*( p - 1 ) = *q ++;
+						p -= 4;
+					}
+				}
+			}
+		}
 		else if ( !strcmp( mirror, "flip" ) )
 		{
 			uint8_t t[ 4 ];