fix midi output on audio-tracks (e.g. audio->midi plugins)

diff --git a/libs/ardour/audio_track.cc b/libs/ardour/audio_track.cc
index 8e14fff40225e36cc05d3ed562f7e07d756a16c1..94201882e7b29e6bdfc2d4f429f1b2c7bce2dce5 100644 (file)
--- a/libs/ardour/audio_track.cc
+++ b/libs/ardour/audio_track.cc
@@ -369,6 +369,13 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
 
        process_output_buffers (bufs, start_frame, end_frame, nframes, declick, (!diskstream->record_enabled() && _session.transport_rolling()));
 
+       for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+               boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery> (*i);
+               if (d) {
+                       d->flush_buffers (nframes);
+               }
+       }
+
        need_butler = diskstream->commit (playback_distance);
 
        return 0;