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mov: Fix near infinite loop in stsd parsing.

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Fixes Ticket768
Bug found by: Diana Elena Muscalu

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-12-15 20:51:00 +01:00
parent 4255d6d96c
commit 5f95c130a0
1 changed files with 3 additions and 0 deletions
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3
libavformat/mov.c
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@@ -1082,6 +1082,9 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
avio_rb32(pb); /* reserved */ avio_rb32(pb); /* reserved */
avio_rb16(pb); /* reserved */ avio_rb16(pb); /* reserved */
dref_id = avio_rb16(pb); dref_id = avio_rb16(pb);
}else if (size <= 0){
av_log(c->fc, AV_LOG_ERROR, "invalid size %d in stsd\n", size);
return -1;
} }
if (st->codec->codec_tag && if (st->codec->codec_tag &&