[FFmpeg-user] After reading x264 Encoding Guide, some questions

[Francois Visagie]

Many thanks for the responses so far.

> -----Original Message-----
> From: Francois Visagie [mailto:francois.visagie at gmail.com]
> Sent: 07 December 2012 14:03
> To: ffmpeg-user at ffmpeg.org
> Subject: [FFmpeg-user] After reading x264 Encoding Guide, some questions
> 
> Hi All,
> 
> First of all, a great thank you to the author/s of this guide. It's short
but still
> thorough and very helpful.
> 
> I have some questions remaining that don't seem to be covered in the
> documentation available that I would like to clear up.
> 
> 1. The guide refers to the -crf and -qp options but neither is covered in
> http://www.ffmpeg.org/ffmpeg.html. What is their relationship to each
> other and when is it advisable to use which? How do these two relate to
the
> q=nn.n printed after encodes?

Anybody in the ffmpeg community willing to clarify what seems to be the
basis of H.264 quality control? ;-)