+AudioPort::cycle_split ()
+{
+}
+
+AudioBuffer&
+AudioPort::get_audio_buffer (pframes_t nframes)
+{
+ /* caller must hold process lock */
+ _buffer->set_data ((Sample *) port_engine.get_buffer (_port_handle, _cycle_nframes) +
+ _global_port_buffer_offset + _port_buffer_offset, nframes);
+ return *_buffer;
+}
+
+Sample*
+AudioPort::engine_get_whole_audio_buffer ()