From 2c0c5e1249cccfa376418d3c47a2aea48717e17a Mon Sep 17 00:00:00 2001
From: Ivan Schreter <schreter@gmx.net>
Date: Thu, 26 Feb 2009 20:36:02 +0000
Subject: [PATCH] Initialize H264 parser context correctly if the optional SEI
 messages are not present.

Patch by Ivan Schreter, schreter gmx net

Originally committed as revision 17620 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/h264_parser.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c
index 934ca15cfe..8c726976dd 100644
--- a/libavcodec/h264_parser.c
+++ b/libavcodec/h264_parser.c
@@ -260,9 +260,15 @@ static int h264_parse(AVCodecParserContext *s,
 
         parse_nal_units(s, avctx, buf, buf_size);
 
+        if (h->sei_cpb_removal_delay >= 0) {
         s->dts_sync_point    = h->sei_buffering_period_present;
         s->dts_ref_dts_delta = h->sei_cpb_removal_delay;
         s->pts_dts_delta     = h->sei_dpb_output_delay;
+        } else {
+            s->dts_sync_point    = INT_MIN;
+            s->dts_ref_dts_delta = INT_MIN;
+            s->pts_dts_delta     = INT_MIN;
+        }
     }
 
     *poutbuf = buf;