Sundry consumer modifications; albino compile fix; minor mods to avformat producer

[melted] / src / modules / core / filter_mirror.c

diff --git a/src/modules/core/filter_mirror.c b/src/modules/core/filter_mirror.c
index bc8927a..e007ac2 100644 (file)
--- 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 ];