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qtdemux: allow pulling atoms with unknown size

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Signed-off-by: Andoni Morales Alastruey <amorales@flumotion.com>

https://bugzilla.gnome.org/show_bug.cgi?id=596321
This commit is contained in:
Marc-André Lureau 2010-03-11 14:10:12 +01:00 committed by Mark Nauwelaerts
parent 994313da50
commit 2fa531ee3c
1 changed files with 14 additions and 0 deletions
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14
gst/qtdemux/qtdemux.c
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@ -510,6 +510,20 @@ gst_qtdemux_pull_atom (GstQTDemux * qtdemux, guint64 offset, guint64 size,
{ {
GstFlowReturn flow; GstFlowReturn flow;
if (size == 0) {
GstFlowReturn ret;
GstBuffer *tmp = NULL;
ret = gst_qtdemux_pull_atom (qtdemux, offset, sizeof (guint32), &tmp);
if (ret != GST_FLOW_OK)
return ret;
size = QT_UINT32 (GST_BUFFER_DATA (tmp));
GST_DEBUG ("size 0x%08" G_GINT64_MODIFIER "x", size);
gst_buffer_unref (tmp);
}
/* Sanity check: catch bogus sizes (fuzzed/broken files) */ /* Sanity check: catch bogus sizes (fuzzed/broken files) */
if (G_UNLIKELY (size > QTDEMUX_MAX_ATOM_SIZE)) { if (G_UNLIKELY (size > QTDEMUX_MAX_ATOM_SIZE)) {
GST_ELEMENT_ERROR (qtdemux, STREAM, DEMUX, GST_ELEMENT_ERROR (qtdemux, STREAM, DEMUX,