Filter attachments to services

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

diff --git a/src/modules/core/filter_region.c b/src/modules/core/filter_region.c
index 635b390..db69b66 100644 (file)
--- a/src/modules/core/filter_region.c
+++ b/src/modules/core/filter_region.c
@@ -46,6 +46,9 @@ static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
 
                // Register with the filter
                mlt_properties_set_data( properties, "_transition", transition, 0, ( mlt_destructor )mlt_transition_close, NULL );
+
+               // Pass a reference to this filter down
+               mlt_properties_set_data( mlt_transition_properties( transition ), "_region_filter", this, 0, NULL, NULL );
        }
 
        // Pass all properties down
@@ -74,6 +77,9 @@ mlt_filter filter_region_init( void *arg )
 
                // Resource defines the shape of the region
                mlt_properties_set( properties, "resource", arg == NULL ? "rectangle" : arg );
+
+               // Ensure that attached filters are handled privately
+               mlt_properties_set_int( properties, "_filter_private", 1 );
        }
 
        // Return the filter