From 9ce063f5f69749698b450d2e1de771e4da8019e1 Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@centricular.com>
Date: Mon, 18 Mar 2024 15:00:02 +0100
Subject: [PATCH] adaptivedemux2: Handle context going away

This issue can happen when the scheduler loop was stopped (and context went
away). We no longer want to push/pop main context threads.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6410>
---
 .../ext/adaptivedemux2/gstadaptivedemuxutils.c              | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemuxutils.c b/subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemuxutils.c
index d75f631892..b127d10f12 100644
--- a/subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemuxutils.c
+++ b/subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemuxutils.c
@@ -310,6 +310,9 @@ gst_adaptive_demux_loop_pause_and_lock (GstAdaptiveDemuxLoop * loop)
 
     g_rec_mutex_lock (&loop->context_lock);
   }
+
+  if (!loop->context)
+    return FALSE;
   g_main_context_push_thread_default (loop->context);
 
   return TRUE;
@@ -320,7 +323,8 @@ gst_adaptive_demux_loop_unlock_and_unpause (GstAdaptiveDemuxLoop * loop)
 {
   gboolean stopped;
 
-  g_main_context_pop_thread_default (loop->context);
+  if (loop->context)
+    g_main_context_pop_thread_default (loop->context);
   g_rec_mutex_unlock (&loop->context_lock);
 
   g_mutex_lock (&loop->lock);