[FFmpeg-user] commercial application compatible with FFmpeg

James Heliker james.heliker at gmail.com
Sat Mar 28 09:28:40 CET 2015

Please reference the actual license terms. I would also recommend 
obtaining legal advice before going to market.

This excerpt from 
https://www.gnu.org/licenses/gpl-faq.html#MereAggregation might help you:

    "...By contrast, pipes, sockets and command-line arguments are
    communication mechanisms normally used between two separate
    programs. So when they are used for communication, the modules
    normally are separate programs. But if the semantics of the
    communication are intimate enough, exchanging complex internal data
    structures, that too could be a basis to consider the two parts as
    combined into a larger program."

- James Heliker

On 3/28/2015 1:00 AM, Carl Eugen Hoyos wrote:
> Juan Urrego <libreacceso <at> ymail.com> writes:
>> Hi, I'm currently developing a commercial software product,
>> and I would like to know if there are any legal problems
>> with licenses
> I don't know what "problems" mean in this context but if
> you plan to distribute FFmpeg (that means software based on
> FFmpeg source code), you have to conform to the GPL or the
> LGPL (depending on how you compiled FFmpeg).
> If you want to use FFmpeg, you have to agree with the
> No-Warranty clause of the GPL (or the LGPL).
>> or patents
> We do not know anything about patents (we have not used
> patents to implement FFmpeg), so we cannot answer this
> question but please see:
> http://ffmpeg.org/legal.html
>> if I make my software compatible with FFmpeg.
>> I do not plan to distribute the ffmpeg.exe file
> In case you neither use nor distribute software based
> on FFmpeg source code, then what you do does not concern
> the FFmpeg developers.
> Carl Eugen
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