From 1892052f8dee858dcab3292d1c40c5deef67e18f Mon Sep 17 00:00:00 2001
From: Thierry Foucu <tfoucu@gmail.com>
Date: Fri, 12 Aug 2011 16:27:59 -0700
Subject: [PATCH] mov: Set negative Sample_duration in STTS to 1
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavformat/mov.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index fdb29a01bf4..96a99280e17 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;
--
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