From: Thierry Foucu <tfoucu@gmail.com>
Date: Fri, 12 Aug 2011 23:27:59 +0000 (-0700)
Subject: mov: Set negative Sample_duration in STTS to 1
X-Git-Tag: rel20110916_inqubus2.b.0~4^2~385
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=1892052f8dee858dcab3292d1c40c5deef67e18f;p=coroid%2Fffmpeg_saccubus.git

mov: Set negative Sample_duration in STTS to 1

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---

diff --git a/libavformat/mov.c b/libavformat/mov.c
index fdb29a01b..96a99280e 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1471,6 +1471,11 @@ static int mov_read_stts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 
         sample_count=avio_rb32(pb);
         sample_duration = avio_rb32(pb);
+        /* sample_duration < 0 is invalid based on the spec */
+        if (sample_duration < 0) {
+            av_log(c->fc, AV_LOG_ERROR, "Invalid SampleDelta in STTS %d", sample_duration);
+            sample_duration = 1;
+        }
         sc->stts_data[i].count= sample_count;
         sc->stts_data[i].duration= sample_duration;