It sounds like quite simply its a flash client packaged with Zinc which 
uses the red5 app backend and no internal source code touched but a 
custom app correct ?

Luke Hubbard wrote:
> Its different for the different parts of the code.
>
> For LGPL ( red5 ), if you have modified the source files ( whats in 
> svn ) and want to redistribute those then you need to make the changes 
> available to the community as open source. Basically if you change it, 
> then give it back. This doesn't require you open source your 
> application or stop you from redistributing red5 with your application.
>
> For GPL ( ffmpeg ) its a little different. You cannot redistribute GPL 
> code as part of your closed source app.
>
> "If the licensee includes any GPL code in another program, the entire 
> program becomes subject to the terms of the GPL."
>
> The way most people get around this issue is tell the users where they 
> can download the GPL software from or instructions on how to compile 
> the code. If you have modified ffmpeg and your changes are not 
> submitted back to the project then you need to put your changes online 
> for others to use if they want.
>
> I may have missed some points, but basically it boils down to.. LGPL 
> if you change it and give it back, GPL you cant redistribute it with 
> your app without you app being GPL.
>
> Luke
>
> On 6/6/07, *barnaby menage* <[EMAIL PROTECTED] 
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Hi
>
>     I've developed an offline flash/zinc/php video recording
>     application that controls various open-source apps including red5
>     and ffmpeg to do the tasks needed.
>
>     An AV company have used the application at an exhibition I built
>     it for and want to sell it on to other museums under their brand
>     name. They've asked me to demo it to them this Friday.
>
>     I've not told them how it works. They have a similar product in
>     development but have got stuck somewhere along the way. I suspect
>     once I tell the how it works they will say 'thank you very much'
>     and then copy the set up.
>
>     I've not done this type of thing before and don't know about
>     licensing and what the implications of the fact that my app uses
>     open-source parts with GPL and LGPL licenses.
>
>     1. Does anyone have similar experience of this and be willing to
>     share?
>
>     2. Can I re-sell my code so they can customise what I've done?
>
>     3. Do I have to GPL my flash code/zinc/php code or can I just say
>     that the open-source such as red5 parts need to be installed and
>     configured in a certain way and license my code?
>
>     5. Should I just give it to them free as all open source and just
>     offer a service agreement?
>
>     6. Would they want it seeing as they wouldn't have exclusive
>     rights to it?
>
>     Any answers and/or suggestions on pricing would be very helpful.
>
>     To email me off list (barnabym*at*gmail.com <http://gmail.com>)
>
>     Barney
>
>
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>
>
>
> -- 
> Luke Hubbard
> codegent | coding for the people
> http://www.codegent.com <http://www.codegent.com>
>
> NMA Top 100 Interactive Agencies - Ones to watch!
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>   
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