[vlc-devel] Re: Filter Development

[Christophe Mutricy]

On Thu, Sep 21, 06 at 11:03 +0200, Adam Collins wrote:
> Hi all
> 
> I am trying to write a new video filter for VLC, I can add a new filter
> checkbox to the extra panel but cannot find how vlc implements that filter.
> all i can see at the moment is that it puts the name into the config file
> 
> ChangeVFiltersString( p_intf, vfilters[i_filter].psz_filter ,
>                              event.IsChecked() ? VLC_TRUE : VLC_FALSE );
> 
> which then does
> 
> config_PutPsz( p_intf, "vout-filter", psz_string );
> 
> so the name of the filter is now in the config structure
> 
> but then i lose it, does the renderer then parse the config structure and
> pass control to the functions defined in <videofilter>.c?

You should take care of the gui implementation as the end. not at the
start.

For developing you should use the command line  with --video-filter
your_filter

For the video filter you should look how it's done in
modules/video_filter. and take example on a simple one or one doing
stuff similar to the one you're developing. Btw, what kind of filter are
you doing ?

hth,

-- 
Xtophe

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