From 91e0e0f9f83496fd5ec8f40844ba02df61de37f4 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sat, 3 Aug 2013 21:35:19 +0200
Subject: advance track's play-position even if processing is locked

fixes
  * http://tracker.ardour.org/view.php?id=5628
  * http://tracker.ardour.org/view.php?id=5561
---
 libs/ardour/midi_track.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libs/ardour/midi_track.cc')

diff --git a/libs/ardour/midi_track.cc b/libs/ardour/midi_track.cc
index 90b866ca92..f88c331c2c 100644
--- a/libs/ardour/midi_track.cc
+++ b/libs/ardour/midi_track.cc
@@ -319,6 +319,12 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
 {
 	Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
 	if (!lm.locked()) {
+		boost::shared_ptr<MidiDiskstream> diskstream = midi_diskstream();
+		framecnt_t playback_distance = diskstream->calculate_playback_distance(nframes);
+		if (can_internal_playback_seek(llabs(playback_distance))) {
+			/* TODO should declick, and/or note-off */
+			internal_playback_seek(playback_distance);
+		}
 		return 0;
 	}
 
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