[gstreamer-bugs] [Bug 631703] [oggdemux] sintel ogv delay when playing

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=631703
  GStreamer | gst-plugins-base | git

--- Comment #2 from David Schleef <ds at schleef.org> 2010-10-11 00:31:38 UTC ---
That could likely be a problem as well.

There are several problems that somewhat interact.  oggdemux parses until it
finds a data packet for each stream.  For Sintel, the kate subtitles don't
start until 1:45 or so, so it takes a while to parse to that point.  That is
fixed by not waiting for data packets on sparse streams (patches 1&2).

Another related problem is that there isn't a vorbis granulepos until about 1.5
seconds into the stream, which queues up a lot of buffers trying to find the
start timestamp for vorbis.

Yet another problem is that the kate subtitles are not compatible with katedec,
and cause a decode error.

Yet another problem, apparently interacting with the delay at startup, is that
sometimes decodebin2/totem don't get a good duration query back from oggdemux. 
This is intermittent and is more obvious when GST_DEBUG is high.

Yet another problem is that duration calculation doesn't always use the last
page.

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