[FFmpeg-user] Legal way to compile FFmpeg with libx264

[Phil Turmel]

On 02/12/2014 10:01 AM, Igor wrote:
> Hello,
> 
> We'd like to use FFmpeg + X264 encoder (as one DLL) in our commercial
> product.
> 
> If we purchase the commercial license for X264, is it possible to compile
> FFmpeg with libx264 for commercial use in our product?
> 
> I contacted to x264licensing.com and they confirmed that I can use libx264
> with FFmpeg if I have the commercial license for x264.
> 
> But how to compile FFmpeg with libx264 to keep FFmpeg under LGPL?
> 
> Please advice the legal way how to do this?

You can't.  libx264 is GPL, not LGPL.

Sorry.  But IANAL, yada, yada.

Phil