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opusdec: do not assert on bad header, error out instead

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This commit is contained in:
Vincent Penquerc'h 2012-05-27 23:41:24 +01:00
parent f4848be30e
commit 0c55e0d98b
1 changed files with 9 additions and 3 deletions
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12
ext/opus/gstopusdec.c
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@ -261,13 +261,19 @@ gst_opus_dec_parse_header (GstOpusDec * dec, GstBuffer * buf)
const GstAudioChannelPosition *posn = NULL; const GstAudioChannelPosition *posn = NULL;
GstMapInfo map; GstMapInfo map;
g_return_val_if_fail (gst_opus_header_is_id_header (buf), GST_FLOW_ERROR); if (!gst_opus_header_is_id_header (buf)) {
GST_ERROR_OBJECT (dec, "Header is not an Opus ID header");
return GST_FLOW_ERROR;
}
gst_buffer_map (buf, &map, GST_MAP_READ); gst_buffer_map (buf, &map, GST_MAP_READ);
data = map.data; data = map.data;
g_return_val_if_fail (dec->n_channels == 0 if (!(dec->n_channels == 0 || dec->n_channels == data[9])) {
|| dec->n_channels == data[9], GST_FLOW_ERROR); gst_buffer_unmap (buf, &map);
GST_ERROR_OBJECT (dec, "Opus ID header has invalid channels");
return GST_FLOW_ERROR;
}
dec->n_channels = data[9]; dec->n_channels = data[9];
dec->pre_skip = GST_READ_UINT16_LE (data + 10); dec->pre_skip = GST_READ_UINT16_LE (data + 10);