[vlc-devel] Add module to pre-load a URL when VLC starts
remi at remlab.net
Thu Aug 23 15:25:12 CEST 2012
Le mercredi 22 août 2012 23:55:52 Ron Crocker, vous avez écrit :
> 1. How should json be categorized (using set_category(),
> set_subcategory(), and any other functions) to ensure that json is
> loaded and run prior to any media being accessed?
> input/input_general? Maybe a services_discovery as documented at
> http://wiki.videolan.org/Documentation:VLC_Modules_Loading (though
> that doesn't seem to exist, at least according to vlc_plugin.h, but
> on second look I see there is a modules/services_discovery directory
> that I can learn from)? Any other options. Recall that the key
> requirement is that it's loaded early.
Categories only define where the module is shown within the preferences, if it
has any configuration parameter. They have no functional consequences.
> 2. What is the "VLC way" to share the values from json to other modules?
There is no generic way to share data. It depends.
> 3. I'll have to add a JSON parsing library to my VLC build. Any hints
> on how to add that library into the build process? I don't plan to
> write this, I'm just going to download one of the many that are
> available and do something with it. (does VLC already have a JSON
> library? if so, just point me to that - I haven't run across it yet,
> but I didn't run across services_discovery until I was writing this
The normal GNU/autotools are used, typically but not always with pkg-config.
There is nothing very particular in VLC. Although you might want to add build
rules for the library in the contrib/ directory.
> 4. The URL that json loads could be one of the parameters that is
> modifiable on the command line. I kinda get that those parameters
> are defined using add_string(), add_integer(), .... Is there more
> than that?
The full list is in <vlc_plugin.h>.
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