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qtdemux: Check for invalid (empty) classification info entity strings

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Otherwise the classification string can be empty and gst_tag_list_add() will
complain or have a \0 in the first four bytes, which is wrong too.
This commit is contained in:
Sebastian Dröge 2011-04-04 10:07:42 +02:00
parent 17d9447ea5
commit fb12172810
1 changed files with 6 additions and 0 deletions
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6
gst/qtdemux/qtdemux.c
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@ -7584,6 +7584,12 @@ qtdemux_tag_add_classification (GstQTDemux * qtdemux, const char *tag,
offset = 12;
entity = (guint8 *) node->data + offset;
if (entity[0] == 0 || entity[1] == 0 || entity[2] == 0 || entity[3] == 0) {
GST_DEBUG_OBJECT (qtdemux,
"classification info: %c%c%c%c invalid classification entity",
entity[0], entity[1], entity[2], entity[3]);
return;
}
offset += 4;
table = QT_UINT16 ((guint8 *) node->data + offset);