From 303a2eaec4a2c87cf50fdfc9100720d2bf7956fb Mon Sep 17 00:00:00 2001 From: David Schleef Date: Mon, 15 Apr 2013 16:01:29 -0700 Subject: [PATCH] mpegtsdemux: check value before using as denominator --- gst/mpegtsdemux/mpegtspacketizer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/gst/mpegtsdemux/mpegtspacketizer.c b/gst/mpegtsdemux/mpegtspacketizer.c index 7e7aa9eb1b..b0eee85990 100644 --- a/gst/mpegtsdemux/mpegtspacketizer.c +++ b/gst/mpegtsdemux/mpegtspacketizer.c @@ -3658,6 +3658,9 @@ mpegts_packetizer_offset_to_ts (MpegTSPacketizer2 * packetizer, guint64 offset, pcrtable = get_pcr_table (packetizer, pid); + if (G_UNLIKELY (pcrtable->last_offset <= pcrtable->first_offset)) + return GST_CLOCK_TIME_NONE; + /* Convert byte difference into time difference */ res = PCRTIME_TO_GSTTIME (gst_util_uint64_scale (offset - priv->refoffset, pcrtable->last_pcr - pcrtable->first_pcr,