From fc2930cbcf3f20dd880d064061420280fef20cc3 Mon Sep 17 00:00:00 2001
From: falkTX <falktx@falktx.com>
Date: Mon, 21 Jun 2021 16:17:09 +0100
Subject: [PATCH] Set port group information for JACK audio/cv ports

Signed-off-by: falkTX <falktx@falktx.com>
---
 distrho/src/DistrhoPluginInternal.hpp |  1 +
 distrho/src/DistrhoPluginJACK.cpp     | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/distrho/src/DistrhoPluginInternal.hpp b/distrho/src/DistrhoPluginInternal.hpp
index e428aaf7..d7675633 100644
--- a/distrho/src/DistrhoPluginInternal.hpp
+++ b/distrho/src/DistrhoPluginInternal.hpp
@@ -70,6 +70,7 @@ static void fillInPredefinedPortGroupData(const uint32_t groupId, PortGroup& por
         break;
     }
 }
+
 // -----------------------------------------------------------------------
 // Plugin private data
 
diff --git a/distrho/src/DistrhoPluginJACK.cpp b/distrho/src/DistrhoPluginJACK.cpp
index 618c5604..97a33c01 100644
--- a/distrho/src/DistrhoPluginJACK.cpp
+++ b/distrho/src/DistrhoPluginJACK.cpp
@@ -38,6 +38,10 @@
 # define JACK_METADATA_PRETTY_NAME "http://jackaudio.org/metadata/pretty-name"
 #endif
 
+#ifndef JACK_METADATA_PORT_GROUP
+# define JACK_METADATA_PORT_GROUP "http://jackaudio.org/metadata/port-group"
+#endif
+
 #ifndef JACK_METADATA_SIGNAL_TYPE
 # define JACK_METADATA_SIGNAL_TYPE "http://jackaudio.org/metadata/signal-type"
 #endif
@@ -588,6 +592,12 @@ private:
             jackbridge_set_property(fClient, uuid, JACK_METADATA_ORDER, strBuf, "http://www.w3.org/2001/XMLSchema#integer");
         }
 
+        if (port.groupId != kPortGroupNone)
+        {
+            const PortGroupWithId& portGroup(fPlugin.getPortGroupById(port.groupId));
+            jackbridge_set_property(fClient, uuid, JACK_METADATA_PORT_GROUP, portGroup.name, "text/plain");
+        }
+
         if (port.hints & kAudioPortIsCV)
         {
             jackbridge_set_property(fClient, uuid, JACK_METADATA_SIGNAL_TYPE, "CV", "text/plain");