[FFmpeg-devel] AVFilter for watermarking DCTELEM MPEG2 blocks

[Vladimir Pantelic]

Carl Eugen Hoyos wrote:
> Roger Pau Monn?<royger<at>  gmail.com>  writes:
>
>>  I've done a modification to the ffmpeg source code, to add a watermark
>>  in MPEG2 DCTELEM luminance blocks
>
> Even if your patch doesn't make it into svn, please post it here for people
> having the same need.

but then people would know how the watermarking
works and it would be useless, no?