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dvdemux: First query the peer duration in the requested format before converting to BYTES

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Fixes usage of dvdemux after another demuxer, e.g. mxfdemux.
Fixes bug #650503.
This commit is contained in:
Sebastian Dröge 2011-06-02 13:38:30 +02:00
parent e376913fc3
commit 252c1afcc2
1 changed files with 9 additions and 14 deletions
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23
ext/dv/gstdvdemux.c
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@ -574,26 +574,23 @@ gst_dvdemux_src_query (GstPad * pad, GstQuery * query)
GstFormat format;
GstFormat format2;
gint64 end;
GstPad *peer;
/* get target format */
gst_query_parse_duration (query, &format, NULL);
/* First ask the peer in the original format */
if (!gst_pad_peer_query (dvdemux->sinkpad, query)) {
/* get target format */
gst_query_parse_duration (query, &format, NULL);
/* change query to bytes to perform on peer */
gst_query_set_duration (query, GST_FORMAT_BYTES, -1);
/* change query to bytes to perform on peer */
gst_query_set_duration (query, GST_FORMAT_BYTES, -1);
if ((peer = gst_pad_get_peer (dvdemux->sinkpad))) {
/* ask peer for total length */
if (!(res = gst_pad_query (peer, query))) {
gst_object_unref (peer);
/* Now ask the peer in BYTES format and try to convert */
if (!gst_pad_peer_query (dvdemux->sinkpad, query)) {
goto error;
}
/* get peer total length */
gst_query_parse_duration (query, NULL, &end);
gst_object_unref (peer);
/* convert end to requested format */
if (end != -1) {
format2 = format;
@ -601,11 +598,9 @@ gst_dvdemux_src_query (GstPad * pad, GstQuery * query)
GST_FORMAT_BYTES, end, &format2, &end))) {
goto error;
}
gst_query_set_duration (query, format, end);
}
} else {
end = -1;
}
gst_query_set_duration (query, format, end);
break;
}
case GST_QUERY_CONVERT: