Major westley rewrite - allows attachable filters

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

diff --git a/src/modules/core/transition_region.c b/src/modules/core/transition_region.c
index e8391c5..aa7b660 100644 (file)
--- a/src/modules/core/transition_region.c
+++ b/src/modules/core/transition_region.c
@@ -129,6 +129,23 @@ static uint8_t *filter_get_alpha_mask( mlt_frame this )
        return alpha;
 }
 
+static void apply_filters( mlt_filter this, mlt_frame frame, int index )
+{
+       mlt_service service = mlt_filter_service( this );
+       mlt_properties properties = mlt_filter_properties( this );
+       int i;
+
+       if ( index == 0 || mlt_properties_get_int( properties, "_filter_private" ) == 0 )
+       {
+               mlt_filter filter = NULL;
+               for ( i = 0; ( filter = mlt_service_filter( service, i ) ) != NULL; i ++ )
+               {
+                       mlt_filter_process( filter, frame );
+                       apply_filters( filter, frame, 1 );
+               }
+       }
+}
+
 /** Do it :-).
 */
 
@@ -297,6 +314,11 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
                        filter = mlt_properties_get_data( properties, id, NULL );
                }
 
+               // Allow filters to be attached to a region filter
+               filter = mlt_properties_get_data( properties, "_region_filter", NULL );
+               if ( filter != NULL )
+                       apply_filters( filter, b_frame, 0 );
+
                // Hmm - this is probably going to go wrong....
                mlt_frame_set_position( frame, position );