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qtdemux: Offset correction for track language code parsing

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The duration field being a uint64, is stored in 8 bytes, not 4. So the offset of
the following field, language code, needs to be updated accordingly so that the
parsed language code is not garbage.
This commit is contained in:
Philippe Normand 2018-12-22 17:55:51 +01:00 committed by Philippe Normand
parent 5dfd12b64c
commit ce96d6dcd4
1 changed files with 2 additions and 2 deletions
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4
gst/isomp4/qtdemux.c
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@ -10295,11 +10295,11 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
version = QT_UINT32 ((guint8 *) mdhd->data + 8);
GST_LOG_OBJECT (qtdemux, "track version/flags: %08x", version);
if (version == 0x01000000) {
if (len < 38)
if (len < 42)
goto corrupt_file;
stream->timescale = QT_UINT32 ((guint8 *) mdhd->data + 28);
stream->duration = QT_UINT64 ((guint8 *) mdhd->data + 32);
lang_code = QT_UINT16 ((guint8 *) mdhd->data + 36);
lang_code = QT_UINT16 ((guint8 *) mdhd->data + 40);
} else {
if (len < 30)
goto corrupt_file;