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Do not try to read total disc or track number if data atom is too short.

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Fixes ticket #659.
This commit is contained in:
Carl Eugen Hoyos 2011-11-17 14:12:34 +01:00
parent 7cdfce4f63
commit d50122eafa
1 changed files with 3 additions and 2 deletions
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5
libavformat/mov.c
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@ -87,10 +87,11 @@ static int mov_metadata_track_or_disc_number(MOVContext *c, AVIOContext *pb,
{ {
char buf[16]; char buf[16];
short current, total; short current, total = 0;
avio_rb16(pb); // unknown avio_rb16(pb); // unknown
current = avio_rb16(pb); current = avio_rb16(pb);
total = avio_rb16(pb); if (len >= 6)
total = avio_rb16(pb);
if (!total) if (!total)
snprintf(buf, sizeof(buf), "%d", current); snprintf(buf, sizeof(buf), "%d", current);
else else