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Do not try to read total disc or track number if data atom is too short.
Fixes ticket #659.
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@ -87,10 +87,11 @@ static int mov_metadata_track_or_disc_number(MOVContext *c, AVIOContext *pb,
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{
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char buf[16];
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short current, total;
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short current, total = 0;
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avio_rb16(pb); // unknown
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current = avio_rb16(pb);
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total = avio_rb16(pb);
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if (len >= 6)
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total = avio_rb16(pb);
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if (!total)
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snprintf(buf, sizeof(buf), "%d", current);
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else
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