- void run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool);
+ void run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, double speed, pframes_t nframes, bool);
+
+ void flush_buffers (framecnt_t nframes) {
+ _out->flush_buffers (nframes);
+ }