// Set the position
result = mlt_frame_set_position( *frame, mlt_producer_position( this ) );
+ // Mark as a test card
+ mlt_properties_set_int( mlt_frame_properties( *frame ), "test_image", 1 );
+ mlt_properties_set_int( mlt_frame_properties( *frame ), "test_audio", 1 );
+
// Calculate the next position
mlt_producer_prepare_next( this );
}