From 1fe15bb61cf42e4df7218277e3022a6403a7ad1b Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@centricular.com>
Date: Fri, 27 Aug 2021 14:32:45 +0200
Subject: [PATCH] qtdemux: Force stream-start push when re-using EOS'd streams

When re-using streams, we *do* need to push a `stream-start` event downstream if
we previously were EOS'd. Failure to do that would never remove the EOS status
on all downstream elements and cause weird issues.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/1067>
---
 gst/isomp4/qtdemux.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
index 6ede64bf3a..15c1e7da2e 100644
--- a/gst/isomp4/qtdemux.c
+++ b/gst/isomp4/qtdemux.c
@@ -13163,8 +13163,9 @@ qtdemux_reuse_and_configure_stream (GstQTDemux * qtdemux,
   newstream->pad = oldstream->pad;
   oldstream->pad = NULL;
 
-  /* unset new_stream to prevent stream-start event */
-  newstream->new_stream = FALSE;
+  /* unset new_stream to prevent stream-start event, unless we are EOS in which
+   * case we need to force one through */
+  newstream->new_stream = GST_PAD_IS_EOS (newstream->pad);
 
   return gst_qtdemux_configure_stream (qtdemux, newstream);
 }