Add gst-plugins-base patch

.github/workflows/build.yml

@@ -2598,6 +2598,11 @@ jobs:
         working-directory: build
         run: tar -xf ../downloads/gst-plugins-base-${{env.gstreamer_version}}.tar.xz
 
+      - name: Patch gst-plugins-base
+        shell: bash
+        working-directory: build/gst-plugins-base-${{env.gstreamer_version}}
+        run: patch -p3 < ../../patches/gst-plugins-base-fixes.patch
+
       - name: Configure gst-plugins-base
         shell: bash
         env:

patches/gst-plugins-base-fixes.patch

@@ -0,0 +1,69 @@
+From ea59c921d692e7626d07e54ac9933cfebf24ebe7 Mon Sep 17 00:00:00 2001
+From: Edward Hervey <[email protected]>
+Date: Wed, 21 Aug 2024 16:29:03 +0200
+Subject: [PATCH] decodebin3: Fix collection identity check
+
+Collections can be auto-generated from upstream and yet have exactly the same
+streams in it.
+
+Therefore do a more in-depth check for equality.
+
+Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3742
+
+Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7401>
+---
+ .../gst/playback/gstdecodebin3.c              | 26 ++++++++++++++++++-
+ 1 file changed, 25 insertions(+), 1 deletion(-)
+
+diff --git a/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c b/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c
+index 56ef496468ac..78b79c776ba6 100644
+--- a/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c
++++ b/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c
+@@ -2609,6 +2609,29 @@ db_collection_new (GstStreamCollection * collection)
+   return db_collection;
+ }
+
++static gboolean
++collections_are_identical (GstStreamCollection * collection,
++    GstStreamCollection * previous)
++{
++  guint i;
++
++  if (collection == previous)
++    return TRUE;
++
++  if (gst_stream_collection_get_size (collection) !=
++      gst_stream_collection_get_size (previous))
++    return FALSE;
++
++  for (i = 0; i < gst_stream_collection_get_size (previous); i++) {
++    GstStream *stream = gst_stream_collection_get_stream (previous, i);
++    const gchar *sid = gst_stream_get_stream_id (stream);
++    if (!stream_in_collection (collection, (gchar *) sid))
++      return FALSE;
++  }
++
++  return TRUE;
++}
++
+ /** handle_stream_collection_locked:
+  * @dbin:
+  * @collection: (transfer none): The new collection for @input. Can be %NULL.
+@@ -2683,12 +2706,13 @@ handle_stream_collection_locked (GstDecodebin3 * dbin,
+   if (dbin->input_collection) {
+     GstStreamCollection *previous = dbin->input_collection->collection;
+
+-    if (collection == previous) {
++    if (collections_are_identical (collection, previous)) {
+       GST_DEBUG_OBJECT (dbin, "Collection didn't change");
+       gst_object_unref (collection);
+       SELECTION_UNLOCK (dbin);
+       return NULL;
+     }
++
+     /* Check if this collection is an update of the previous one */
+     if (gst_stream_collection_get_size (collection) >
+         gst_stream_collection_get_size (previous)) {
+-- 
+GitLab
+