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qtdemux: Ensure that size of the pasp atom is as much as we need

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https://bugzilla.gnome.org/show_bug.cgi?id=775455
This commit is contained in:
Sebastian Dröge 2016-12-01 14:30:49 +02:00
parent d46cc8df6c
commit b79655d3c9
1 changed files with 8 additions and 2 deletions
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6
gst/isomp4/qtdemux.c
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@ -9762,13 +9762,19 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
if (pasp) { if (pasp) {
const guint8 *pasp_data = (const guint8 *) pasp->data; const guint8 *pasp_data = (const guint8 *) pasp->data;
gint len = QT_UINT32 (pasp_data);
if (len == 16) {
stream->par_w = QT_UINT32 (pasp_data + 8); stream->par_w = QT_UINT32 (pasp_data + 8);
stream->par_h = QT_UINT32 (pasp_data + 12); stream->par_h = QT_UINT32 (pasp_data + 12);
} else { } else {
stream->par_w = 0; stream->par_w = 0;
stream->par_h = 0; stream->par_h = 0;
} }
} else {
stream->par_w = 0;
stream->par_h = 0;
}
if (fiel) { if (fiel) {
const guint8 *fiel_data = (const guint8 *) fiel->data; const guint8 *fiel_data = (const guint8 *) fiel->data;