[x264-devel] x264 with 8-bit grayscale input ?

[Jason Garrett-Glaser]

In Sun, Feb 13, 2011 at 3:57 PM, Philippe De Muyter <phdm at macqel.be> wrote:
> Hello,
>
> I am looking for a compression software for 8-bit grayscale video from
> 1024x768 digital cameras.
>
> Can x264 do that, and be a little bit faster and produce smaller files
> because he knows that its input is 8-bit grayscale ?
>
> Thnaks in advance
>
> Philippe

The speed benefit from cutting out the empty chroma channels is pretty
marginal.  With CABAC, the compression improvement is basically zero.

Jason