[gstreamer-bugs] [Bug 396779] Preset interface for elements

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gstreamer (core) | Ver: HEAD CVS




------- Comment #29 from Stefan Kost (gstreamer, gtkdoc dev)  2007-11-20 14:31 UTC -------
(In reply to comment #28)
> Sounds great. I still miss a way for cross element preset sharing, but I guess
> it's not really feasible in any easy way.
I will soon add the presets attached to this bugreport (eq) to cvs. Next I'll
improve the preset iface to first load presets form
$prefix/share/gstreamer-0.10/presets and then overlay it with the presets found
in $HOME/.gstreamer-0.10/presets. All changed presets will go to $HOME. Because
of the overlay the user just sees his version. The only issue I see is that
when deleting the user version, you see the system wide one again (confusing)
and systemwide ones cannot be deleted. I probably need to expose this in the
API so that one can test if a preset is system or user. Then edit/delete
buttons can be disabled.

I've also been thinking about a preset merge tool. This way users can submit
presets and we can merge those for future releases.

> Some remarks:
> - I like the simple format, why an xml extension for non xml content ?
It was a mistake. Its '.prs'

> - Won't the ':' in the 'meta:value' construction be a problem for childproxy
> properties ?
I still need to do those. Will probably use [] for the child.

> - Do you have any idea about localization of user visible meta/values ? (using
> meta for example)
I am a bit unsure abot meta. It could contain tags (quality, performance). Then
one can ask gstreamer to optimize a pipiline for speed. It could conatin
comments for the user (like now). The meta could store the comment together
with the current local as
meta[en]:big booming bass
meta[de]:grosser dröhnender Bass


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