+ AudioBuffer& get_audio_buffer (framecnt_t nframes, framecnt_t offset = 0);
+
+ static framecnt_t port_offset() { return _port_offset; }
+
+ static void set_port_offset (framecnt_t off) {
+ _port_offset = off;
+ }
+
+ static void increment_port_offset (framecnt_t n) {
+ _port_offset += n;
+ }
+