From 3df63a079cc881b77e7930361b5fd85b795d1160 Mon Sep 17 00:00:00 2001
From: Doug Nazar <nazard@nazar.ca>
Date: Wed, 21 May 2025 10:04:59 -0400
Subject: [PATCH] glcontext/egl: Free dma_formats if someone else already
 initialized

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9044>
---
 .../gst-libs/gst/gl/egl/gstglcontext_egl.c         | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/subprojects/gst-plugins-base/gst-libs/gst/gl/egl/gstglcontext_egl.c b/subprojects/gst-plugins-base/gst-libs/gst/gl/egl/gstglcontext_egl.c
index 9aa5183c2d..ec57165c07 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/gl/egl/gstglcontext_egl.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/gl/egl/gstglcontext_egl.c
@@ -1762,12 +1762,20 @@ gst_gl_context_egl_fetch_dma_formats (GstGLContext * context)
 
   g_array_sort (dma_formats, _compare_dma_formats);
 
-  _print_all_dma_formats (context, dma_formats);
-
   GST_OBJECT_LOCK (context);
-  egl->dma_formats = dma_formats;
+  // Are we the first to initialize?
+  ret = egl->dma_formats == NULL;
+  if (ret)
+    egl->dma_formats = dma_formats;
   GST_OBJECT_UNLOCK (context);
 
+  if (ret) {
+    _print_all_dma_formats (context, dma_formats);
+  } else {
+    // We lost the race...
+    g_array_unref (dma_formats);
+  }
+
   g_free (formats);
   g_free (modifiers);
   g_free (ext_only);