mlt_properties_set_int( properties, "colorspace", mlt_properties_get_int( frame_properties, "colorspace" ) );
mlt_properties_set_int( properties, "force_full_luma", mlt_properties_get_int( frame_properties, "force_full_luma" ) );
mlt_properties_set_int( properties, "top_field_first", mlt_properties_get_int( frame_properties, "top_field_first" ) );
+ mlt_properties_set_data( properties, "movit.convert.fence",
+ mlt_properties_get_data( frame_properties, "movit.convert.fence", NULL ),
+ 0, NULL, NULL );
data = mlt_frame_get_alpha_mask( frame );
mlt_properties_get_data( frame_properties, "alpha", &size );
mlt_frame_set_alpha( self, data, size, NULL );