From 884cb355230d293233e599bdfebae7f67684a48e Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 31 Mar 2016 20:28:48 +0200
Subject: plugin-pin-map:

* fix MIDI-bypass
* prepare combined channel-map report (for GUI)
* fix route failed config return
---
 libs/ardour/chan_mapping.cc | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

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

diff --git a/libs/ardour/chan_mapping.cc b/libs/ardour/chan_mapping.cc
index 0ca79af505..6386c2863b 100644
--- a/libs/ardour/chan_mapping.cc
+++ b/libs/ardour/chan_mapping.cc
@@ -67,6 +67,26 @@ ChanMapping::get(DataType t, uint32_t from, bool* valid) const
 	return m->second;
 }
 
+uint32_t
+ChanMapping::get_src(DataType t, uint32_t to, bool* valid) const
+{
+	Mappings::const_iterator tm = _mappings.find(t);
+	if (tm == _mappings.end()) {
+		if (valid) { *valid = false; }
+		return -1;
+	}
+	for (TypeMapping::const_iterator i = tm->second.begin(); i != tm->second.end(); ++i) {
+		if (i->second == to) {
+			if (valid) { *valid = true; }
+			return i->first;
+		}
+	}
+	if (valid) { *valid = false; }
+	return -1;
+}
+
+
+
 void
 ChanMapping::set(DataType t, uint32_t from, uint32_t to)
 {
-- 
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