From 7e0f6be1ed68fba9d61d2e87bf01612c0adb335d Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sun, 7 Apr 2019 19:51:08 +0200
Subject: [PATCH] Enable midi-to-audio bounce when processing w/synth

---
 libs/ardour/session.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index 660339d6bb..cca209cacd 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -6124,6 +6124,10 @@ Session::write_one_track (Track& track, samplepos_t start, samplepos_t end,
 	diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
 			include_endpoint, for_export, for_freeze);
 
+	if (data_type == DataType::MIDI && endpoint && !for_export && !for_freeze && diskstream_channels.n(DataType::AUDIO) > 0) {
+		data_type = DataType::AUDIO;
+	}
+
 	if (diskstream_channels.n(data_type) < 1) {
 		error << _("Cannot write a range with no data.") << endmsg;
 		return result;