From 41bdd4adc4ab90a5ef7d63050a4046fcba711365 Mon Sep 17 00:00:00 2001
From: Alex Converse <alex.converse@gmail.com>
Date: Mon, 19 Dec 2011 10:48:57 -0800
Subject: [PATCH] mpegts: Suppress invalid timebase warnings on DMB streams.

timestamp_len and timestamp_res intialize to zero.
---
 libavformat/mpegts.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 2356fa8935..15688a9747 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -732,7 +732,8 @@ static int read_sl_header(PESContext *pes, SLConfigDescr *sl, const uint8_t *buf
     if (cts != AV_NOPTS_VALUE)
         pes->pts = cts;
 
-    avpriv_set_pts_info(pes->st, sl->timestamp_len, 1, sl->timestamp_res);
+    if (sl->timestamp_len && sl->timestamp_res)
+        avpriv_set_pts_info(pes->st, sl->timestamp_len, 1, sl->timestamp_res);
 
     return (get_bits_count(&gb) + 7) >> 3;
 }