From 6af38c6ffe8d77dbc403516e42589174bbcb0f3c Mon Sep 17 00:00:00 2001
From: Kyrylo Polezhaiev <kirushyk@gmail.com>
Date: Thu, 5 Sep 2019 03:16:28 +0200
Subject: [PATCH] tsmux: Fix copying of buffer region

---
 gst/mpegtsmux/tsmux/tsmux.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gst/mpegtsmux/tsmux/tsmux.c b/gst/mpegtsmux/tsmux/tsmux.c
index 139c9467e4..92625b9728 100644
--- a/gst/mpegtsmux/tsmux/tsmux.c
+++ b/gst/mpegtsmux/tsmux/tsmux.c
@@ -1082,6 +1082,8 @@ tsmux_section_write_packet (gpointer unused_arg,
             payload_len) >= 4) {
       /* enough space */
       extra_alloc_bytes = 4;
+    } else {
+      extra_alloc_bytes = 0;
     }
     packet_buffer = gst_buffer_copy_region (section_buffer, GST_BUFFER_COPY_ALL,
         payload_written, payload_len + extra_alloc_bytes);