{
try {
/* _film_b is the one with reference filters */
- ABTranscoder w (_film_b, _film, _decode_opt, this, shared_ptr<Encoder> (new Encoder (_film)));
+ ABTranscoder w (_film_b, _film, _decode_opt, shared_from_this ());
w.go ();
set_progress (1);
set_state (FINISHED_OK);