From 8ce0a23a5e612a455a27c344f039103e7e0ae76f Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@centricular.com>
Date: Mon, 14 Nov 2022 09:37:28 +0100
Subject: [PATCH] decodebin3: Improve collection merging

If the collections are the same, don't merge them

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2784>
---
 subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c b/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c
index 78fedd7003..3968929661 100644
--- a/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c
+++ b/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c
@@ -1624,7 +1624,9 @@ get_merged_collection (GstDecodebin3 * dbin)
 
   for (tmp = dbin->other_inputs; tmp; tmp = tmp->next) {
     DecodebinInput *input = (DecodebinInput *) tmp->data;
-    if (input->collection) {
+    GST_LOG_OBJECT (dbin, "Comparing res %p input->collection %p", res,
+        input->collection);
+    if (input->collection && input->collection != res) {
       if (res) {
         needs_merge = TRUE;
         break;