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mov: detect EOF in mov_read_dref()

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This fixes a (near) infinite loop and Ticket783
Bug found by: cosminamironesei

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-12-18 21:37:54 +01:00
parent 7859740c6a
commit af3f2a87da
1 changed files with 2 additions and 0 deletions
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2
libavformat/mov.c
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@@ -431,6 +431,8 @@ static int mov_read_dref(MOVContext *c, AVIOContext *pb, MOVAtom atom)
avio_skip(pb, 16); avio_skip(pb, 16);
for (type = 0; type != -1 && avio_tell(pb) < next; ) { for (type = 0; type != -1 && avio_tell(pb) < next; ) {
if(url_feof(pb))
return AVERROR(EOF);
type = avio_rb16(pb); type = avio_rb16(pb);
len = avio_rb16(pb); len = avio_rb16(pb);
av_log(c->fc, AV_LOG_DEBUG, "type %d, len %d\n", type, len); av_log(c->fc, AV_LOG_DEBUG, "type %d, len %d\n", type, len);