Hi,

I know you have probably answered this many times before, but I hope you'll bear with me.

I'm writing a freeware product for Windows where I'd like to use FFmpeg for video conversion. Video conversion is a nice extra, but not the main feature of the program (that's video downloading).

I cannot open-source my program due to other commercial libraries used in it.

Now, I can use either the LGPL or GPL version of FFmpeg. I'd like to use some of the GPL features, but want to make sure I'm allowed to do so.

FSF says dynamically linking GPL code into a closed source product MAY be OK (mine would probably be seen as what they call a "borderline case"): http://www.fsf.org/licensing/licenses/gpl-faq.html#GPLInProprietarySystem

I'd use the http://www.delphiffmpeg.com components to make the communication simpler. I configure those components, and they call the FFmpeg code.

I want to comply with your license, so please let me know what the FFmpeg project's view on this is.

So, can I use the GPL'ed FFmpeg version as a Windows DLL in a free, closed source program? Would it make a difference using an executable version of FFmpeg.exe which I call via ShellExecute?


Thanks for any advice you can give me.

Best Regards,
Brian



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