[gst-devel] Playlist support for GStreamer

Lutz Müller lutz at topfrose.de
Sun Apr 2 12:30:07 CEST 2006

Hello all!

I've just uploaded a couple of patches to bugzilla that add support for


Basically, I leave everything as it is. There is just one stream. But
this stream may be composed of one or more substreams (like tracks on a

To know the number of these substreams:

gst_element_query_duration (element, GST_FORMAT_STREAMS, &num_streams);

To know the duration of the 6th substream:

query = gst_query_new_duration (... GST_FORMAT_TIME...);
gst_query_set_stream (query, 5);
gst_element_query (element, query);

I've also uploaded a patch against gstcddabasesrc and
plugins-base/tests/examples/seek as a proof of concept. 

Playlists will be also useful in the following situations:
 - gnomevfs plugin as soon as multiple files are involved (i.e.
 - v4l - the patch may partially replace the tuner interface
 - DVDs with more than one film
 - tardec (the one that started it all)

I am looking forward to hearing your opinions.

Lutz Müller <lutz at topfrose.de>
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