-
- BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
- sendbufs.read_from (bufs, nframes);
- assert(sendbufs.count() == bufs.count());
-
+
+ if (_panshell && !_panshell->bypassed() && role() != Listen) {
+ _panshell->run (bufs, mixbufs, start_frame, end_frame, nframes);
+ } else {
+ if (role() == Listen) {
+ /* We're going to the monitor bus, so discard MIDI data */
+
+ uint32_t const bufs_audio = bufs.count().get (DataType::AUDIO);
+ uint32_t const mixbufs_audio = mixbufs.count().get (DataType::AUDIO);
+
+ /* monitor-section has same number of channels as master-bus (on creation).
+ *
+ * There is no clear answer what should happen when trying to PFL or AFL
+ * a track that has more channels (bufs_audio from source-track is
+ * larger than mixbufs).
+ *
+ * There are two options:
+ * 1: discard additional channels (current)
+ * OR
+ * 2: require the monitor-section to have at least as many channels
+ * as the largest count of any route
+ */
+ //assert (mixbufs.available().get (DataType::AUDIO) >= bufs_audio);
+
+ /* Copy bufs into mixbufs, going round bufs more than once if necessary
+ to ensure that every mixbuf gets some data.
+ */
+
+ uint32_t j = 0;
+ for (uint32_t i = 0; i < mixbufs_audio; ++i) {
+ mixbufs.get_audio(i).read_from (bufs.get_audio(j), nframes);
+ ++j;
+
+ if (j == bufs_audio) {
+ j = 0;
+ }
+ }
+
+ } else {
+ assert (mixbufs.available() >= bufs.count());
+ mixbufs.read_from (bufs, nframes);
+ }
+ }
+