[FFmpeg-user] Obscure Watermarking with ffmpeg possible?

[Jim Shupert]

>> A big player on obscure watermarking is "nexguard" (
>> https://dtv.nagra.com/watermarking)
>> Nexguard has an API for implementing their technology in external
>> transcoders.
>> Maybe this would be a possible solution for using obscure watermarking with
>> ffmpeg?
>
isn't nexguard an expensive solution? -- while "expensive" may be 
relative  ... nexguard in not open isn't that true?