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dvdemux: Implement SEEKING query so we can actually seek if upstream can't seek in TIME

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=767157
This commit is contained in:
Sebastian Dröge 2016-06-03 09:54:53 +03:00
parent 2f4b89fffe
commit 479a3bab18
1 changed files with 51 additions and 0 deletions
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51
ext/dv/gstdvdemux.c
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@ -637,6 +637,57 @@ gst_dvdemux_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
case GST_QUERY_SEEKING:
{
GstFormat fmt;
GstQuery *peerquery;
gboolean seekable;
gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL);
/* We can only handle TIME seeks really */
if (fmt != GST_FORMAT_TIME) {
gst_query_set_seeking (query, fmt, FALSE, -1, -1);
break;
}
/* First ask upstream */
if (gst_pad_peer_query (dvdemux->sinkpad, query)) {
gst_query_parse_seeking (query, NULL, &seekable, NULL, NULL);
if (seekable) {
res = TRUE;
break;
}
}
res = TRUE;
peerquery = gst_query_new_seeking (GST_FORMAT_BYTES);
seekable = gst_pad_peer_query (dvdemux->sinkpad, peerquery);
if (seekable)
gst_query_parse_seeking (peerquery, NULL, &seekable, NULL, NULL);
gst_query_unref (peerquery);
if (seekable) {
peerquery = gst_query_new_duration (GST_FORMAT_TIME);
seekable = gst_dvdemux_src_query (pad, parent, peerquery);
if (seekable) {
gint64 duration;
gst_query_parse_duration (peerquery, NULL, &duration);
gst_query_set_seeking (query, GST_FORMAT_TIME, seekable, 0, duration);
} else {
gst_query_set_seeking (query, GST_FORMAT_TIME, FALSE, -1, -1);
}
gst_query_unref (peerquery);
} else {
gst_query_set_seeking (query, GST_FORMAT_TIME, FALSE, -1, -1);
}
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
break;