+ return 0;
+}
+#endif
+
+int
+Butler::start_thread()
+{
+ const float rate = (float)_session.frame_rate();
+
+ /* size is in Samples, not bytes */
+ audio_dstream_capture_buffer_size = (uint32_t) floor (Config->get_audio_capture_buffer_seconds() * rate);
+ audio_dstream_playback_buffer_size = (uint32_t) floor (Config->get_audio_playback_buffer_seconds() * rate);
+
+ /* size is in bytes
+ * XXX: Jack needs to tell us the MIDI buffer size
+ * (i.e. how many MIDI bytes we might see in a cycle)
+ */
+ midi_dstream_buffer_size = (uint32_t) floor (Config->get_midi_track_buffer_seconds() * rate);
+
+ MidiDiskstream::set_readahead_frames ((framecnt_t) (Config->get_midi_readahead() * rate));
+
+ should_run = false;
+
+#ifndef PLATFORM_WINDOWS
+ if (setup_request_pipe() != 0) return -1;
+#endif