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avidemux: Stop reading a ncdt sub-tag if it goes behind the surrounding tag

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=777532
This commit is contained in:
Sebastian Dröge 2017-01-20 17:16:10 +02:00
parent 32d9f3c158
commit 4f478357ae
1 changed files with 3 additions and 0 deletions
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3
gst/avi/gstavidemux.c
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@ -3914,6 +3914,9 @@ gst_avi_demux_parse_ncdt (GstAviDemux * avi, GstBuffer * buf,
ptr += 4;
left -= 4;
if (sub_size > tsize)
break;
GST_DEBUG_OBJECT (avi, "sub-tag %u, size %u", sub_tag, sub_size);
/* http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
* for some reason the sub_tag has a +2 offset