From d752bf1b462ca348307fc0363e80aebc8072c306 Mon Sep 17 00:00:00 2001
From: Patricia Muscalu <patricia@axis.com>
Date: Thu, 22 Dec 2022 11:16:26 +0100
Subject: [PATCH] qtmux: Fix buffer leak in fragment_buffers

When pushing buffers from one of the sink pads fail,
make sure that all buffers added to fragment_buffers on other pads
are freed as well.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3624>
---
 subprojects/gst-plugins-good/gst/isomp4/gstqtmux.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/subprojects/gst-plugins-good/gst/isomp4/gstqtmux.c b/subprojects/gst-plugins-good/gst/isomp4/gstqtmux.c
index 3bab8a3729..5f6cf80b5e 100644
--- a/subprojects/gst-plugins-good/gst/isomp4/gstqtmux.c
+++ b/subprojects/gst-plugins-good/gst/isomp4/gstqtmux.c
@@ -641,6 +641,8 @@ gst_qt_mux_class_init (GstQTMuxClass * klass)
 static void
 gst_qt_mux_pad_reset (GstQTMuxPad * qtpad)
 {
+  guint i;
+
   qtpad->fourcc = 0;
   qtpad->is_out_of_order = FALSE;
   qtpad->sample_size = 0;
@@ -678,7 +680,13 @@ gst_qt_mux_pad_reset (GstQTMuxPad * qtpad)
     atom_traf_free (qtpad->traf);
     qtpad->traf = NULL;
   }
+  for (i = 0; i < atom_array_get_len (&qtpad->fragment_buffers); i++) {
+    GstBuffer *buf = atom_array_index (&qtpad->fragment_buffers, i);
+    if (buf != NULL)
+      gst_buffer_unref (atom_array_index (&qtpad->fragment_buffers, i));
+  }
   atom_array_clear (&qtpad->fragment_buffers);
+
   if (qtpad->samples)
     g_array_unref (qtpad->samples);
   qtpad->samples = NULL;