From: Robin Gareus <robin@gareus.org>
Date: Sun, 16 Oct 2016 22:32:35 +0000 (+0200)
Subject: ignore send buffers for which there's no return
X-Git-Tag: 5.5~344
X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;h=466141229f0402c807902f9fc42446bd4416c600;p=ardour.git

ignore send buffers for which there's no return

This fixes an issue with Audio+Midi sends feeding into an audio only return.
---

diff --git a/libs/ardour/delivery.cc b/libs/ardour/delivery.cc
index 35c4f9ad80..569def9669 100644
--- a/libs/ardour/delivery.cc
+++ b/libs/ardour/delivery.cc
@@ -337,8 +337,10 @@ Delivery::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, do
 		for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
 
 			uint32_t n = 0;
-
 			for (BufferSet::iterator b = bufs.begin (*t); b != bufs.end (*t); ++b) {
+				if (outs.count ().get (*t) <= n) {
+					continue;
+				}
 				b->read_from (outs.get (*t, n++), nframes, (*t == DataType::AUDIO ? 0 : -Port::port_offset()));
 			}
 		}