char *name = mlt_properties_get( mlt_filter_properties( this ), "_unique_id" );
// Assign the current position to the name
- mlt_properties_set_position( properties, name, mlt_frame_get_position( frame ) );
+ mlt_properties_set_position( properties, name, mlt_frame_get_position( frame ) - mlt_filter_get_in( this ) );
// Push the filter on to the stack
mlt_frame_push_service( frame, this );