From cde1e38f5d56269addff93b36c57299cbf546279 Mon Sep 17 00:00:00 2001
From: Marvin W <git@larma.de>
Date: Sun, 21 Mar 2021 15:42:58 +0100
Subject: RTP: Backport gst_caps_copy_nth from GStreamer 1.16

---
 plugins/rtp/src/device.vala | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'plugins/rtp/src/device.vala')

diff --git a/plugins/rtp/src/device.vala b/plugins/rtp/src/device.vala
index 796be203..570c6667 100644
--- a/plugins/rtp/src/device.vala
+++ b/plugins/rtp/src/device.vala
@@ -104,14 +104,22 @@ public class Dino.Plugins.Rtp.Device : MediaDevice, Object {
                     best_index = i;
                 }
             }
-            return device.caps.copy_nth(best_index);
+            return caps_copy_nth(device.caps, best_index);
         } else if (device.caps.get_size() > 0) {
-            return device.caps.copy_nth(0);
+            return caps_copy_nth(device.caps, 0);
         } else {
             return new Gst.Caps.any();
         }
     }
 
+    // Backport from gst_caps_copy_nth added in GStreamer 1.16
+    private static Gst.Caps caps_copy_nth(Gst.Caps source, uint index) {
+        Gst.Caps target = new Gst.Caps.empty();
+        target.flags = source.flags;
+        target.append_structure_full(source.get_structure(index).copy(), source.get_features(index).copy());
+        return target;
+    }
+
     private void create() {
         debug("Creating device %s", id);
         plugin.pause();
-- 
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