[gstreamer-bugs] [Bug 344013] [oggdemux] use parsers to suck less

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-plugins-base | Ver: HEAD CVS





------- Comment #4 from Michael Smith  2006-06-14 08:13 UTC -------
Tim - the problem is that there's no such thing as a 'generic ogg granulepos
mapper' - it's entirely codec-specific. Hence the proposal to use parsers for
specific formats (possibly falling back to a full-blown decoder in the
unfortunate event of us not having a parser).

For vorbis, specifically, it's pretty easy to extract the duration without
doing a full decode - but you need a fully-decoded setup header, which is
complex to do (of course, we can just link to libvorbis if we need to).

For speex, I think the calculations are trivial.


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