shared_ptr<TranscodeJob> tj (new TranscodeJob (shared_from_this()));
tj->set_encoder (shared_ptr<Encoder> (new DCPEncoder (shared_from_this(), tj)));
shared_ptr<TranscodeJob> tj (new TranscodeJob (shared_from_this()));
tj->set_encoder (shared_ptr<Encoder> (new DCPEncoder (shared_from_this(), tj)));