mov: Set negative Sample_duration in STTS to 1
authorThierry Foucu <tfoucu@gmail.com>
Fri, 12 Aug 2011 23:27:59 +0000 (16:27 -0700)
committerMichael Niedermayer <michaelni@gmx.at>
Sat, 13 Aug 2011 01:39:58 +0000 (03:39 +0200)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavformat/mov.c

index fdb29a0..96a9928 100644 (file)
@@ -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;