-
- virtual nframes_t signal_latency() const { return 0; }
-
- virtual void transport_stopped (nframes_t frame) {}
-
- virtual void set_block_size (nframes_t nframes) {}
-
- virtual void run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) { assert(is_in_place()); }
-
- virtual void run_out_of_place (BufferSet& input, BufferSet& output, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) { assert(is_out_of_place()); }
-
- virtual void silence (nframes_t nframes, nframes_t offset) {}
-
- virtual void activate () { _active = true; ActiveChanged.emit(); }
- virtual void deactivate () { _active = false; ActiveChanged.emit(); }
-
+
+ virtual framecnt_t signal_latency() const { return 0; }
+
+ virtual int set_block_size (pframes_t /*nframes*/) { return 0; }
+ virtual bool requires_fixed_sized_buffers() const { return false; }
+
+ /** @param result_required true if, on return from this method, @a bufs is required to contain valid data;
+ * if false, the method need not bother writing to @a bufs if it doesn't want to.
+ */
+ virtual void run (BufferSet& /*bufs*/, framepos_t /*start_frame*/, framepos_t /*end_frame*/, pframes_t /*nframes*/, bool /*result_required*/) {}
+ virtual void silence (framecnt_t /*nframes*/) {}
+
+ virtual void activate () { _pending_active = true; ActiveChanged(); }
+ virtual void deactivate () { _pending_active = false; ActiveChanged(); }
+ virtual void flush() {}
+