From 37f1decf78b1fff61edb2f8f94cc6b5bce9f3b48 Mon Sep 17 00:00:00 2001
From: Janne Grunau <janne.grunau@collabora.co.uk>
Date: Mon, 11 Apr 2011 14:53:28 +0200
Subject: [PATCH] mpegtsdemux: adaptation field length == 0 is valid

it can be used to insert a single stuffing byte
do not parse the following payload as adaptation field
---
 gst/mpegtsdemux/mpegtspacketizer.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gst/mpegtsdemux/mpegtspacketizer.c b/gst/mpegtsdemux/mpegtspacketizer.c
index 6b51c19c5a..eeea38a7fe 100644
--- a/gst/mpegtsdemux/mpegtspacketizer.c
+++ b/gst/mpegtsdemux/mpegtspacketizer.c
@@ -208,6 +208,13 @@ mpegts_packetizer_parse_adaptation_field_control (MpegTSPacketizer2 *
 
   length = *packet->data++;
 
+  /* an adaptation field with length 0 is valid and
+   * can be used to insert a single stuffing byte */
+  if (!length) {
+    packet->afc_flags = 0;
+    return TRUE;
+  }
+
   if (packet->adaptation_field_control == 0x02) {
     /* no payload, adaptation field of 183 bytes */
     if (length != 183) {