[vlc-devel] Re: How to write add a new plugin?

[Anshuman Aggarwal]

Are we implying that VideoLAN does not dynamically read the modules 
directory? That it has to be compiled alongwith VLC...that would be really 
bad architecture!!

I really do not want to re-compile VLC itself...I believe I should be able to 
just compile the module against the headers from VLC...

Can someone help me with directions around that...happy using MS VC or cygwin 
gcc
----- Original Message -----
From: "Mark Moriarty" <mfmbusiness at earthlink.net>
To: <vlc-devel at videolan.org>
Date: Sun, 5 Feb 2006 08:03:04 -0500
Subject: [vlc-devel] Re: How to write add a new plugin?

> I'm not sure if perhaps you, and the person working on the part file plugin,
> have the same underlying questions.
> 
> To get a plugin to be properly seen by VLC:
> When you add a module abide to the following. 
> 
> 1: Add the new files to a new target in a Modules.am file. If you create a
> new directory (ill advised) you'll need to create a new Modules.am file. 
> 2: add the name of the module (as defined in the Modules.am) to the
> configure.ac file BUILTIN_MODULES or something will do. 
> 3: if your module needs any options, these have to be added in the
> configure.ac file (see other modules i.e. mkv or something) 
> 4: rerun bootstrap and configure
> 
> For example, I wrote the marquee video subfilter, marq.c, found in
> modules/video_filter.
> In modules/video_filter/modules.am, you will see the line:
> SOURCES_marq = marq.c
> 
> In configure.ac, up at the top level of the VLC trunk, note that marq is
> referenced in the line:
>   VLC_ADD_PLUGINS([gestures rc telnet hotkeys netsync showintf time marq
> podcast shout sap fake])
> 
> The plugin, of course, has to follow the right "rules" to make it valid,
> useable, by VLC.
> 
> For marquee, my prototypes were time.c and logo.c, other filters that did
> the same kind of thing I wanted to do.  A lot of "gludge", hooks and
> handles, are easiest to get by copying from a filter that does something
> close to what you intend the new code to do.
> 
> Good luck!
> 
> 
> -----Original Message-----
> From: vlc-devel-bounce at videolan.org [mailto:vlc-devel-bounce at videolan.org]
> On Behalf Of Nelson Lam
> Sent: Sunday, February 05, 2006 6:13 AM
> To: vlc-devel at videolan.org
> Subject: [vlc-devel] How to write add a new plugin?
> 
> Hi everyone~
> 
> I am trying to add a new codec to vlc. But I don't know how to add the codec
> as a plugin. Could anyone please help me to solve the problem?
> 
> Best Regards,
> Nelson Lam
> 
> nelson.lam at student.cityu.edu.hk
> 
> 
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> 
> 
> 

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