[Bug 679708] playbin: read ahead files, better support for network shares and other slow inputs

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=679708
  GStreamer | gst-plugins-base | unspecified

--- Comment #12 from Bastien Nocera <bugzilla at hadess.net> 2013-07-25 09:04:53 UTC ---
(In reply to comment #11)
> I'm not sure if demuxers + parsers should use a suboptimal access pattern in
> this case. Network filesystems are usually on a local network and reasonably
> fast.

The problem is when the data rate of the stream nearly matches that of the
network. For testing, you could set up a webdav client, and use the rate
limiting feature of Apache:
https://git.gnome.org/browse/totem/tree/browser-plugin/tests/launch-web-server.sh#n109

Seeks might also be much more expensive than reads. It's possible that the
original problem is fixed now that gvfs and gvfs-smb don't crash when giosrc is
used, and that I've reverted the Totem code that forced it to use the local
file source instead of giosrc (only in master right now, but I'll make sure
it's in 3.10 as well if we end up not shipping the new UI).

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