[MEncoder-users] H.264 compression

Mark Himsley mark at mdsh.com
Thu May 15 09:48:43 CEST 2008


Mark Himsley wrote:
> Diogo Franco wrote:
>>> Mark Himsley wrote:
>>> vglobal=1:vcodec=libx264:vqscale=2:vqmin=2:level=30:mbd=2:trell:
>>> v4mv:last_pred=2:dia=-1:vmax_b_frames=0:cmp=3:subcmp=3:autoaspect
 >>
>> x264 rate control on FFmpeg (libavcodec) is broken for some time now,
>> for some weird reason it always use the maximum quantizer. You have to
>> use x264 directly with mencoder.
> 
> Arse.

A hint from an ffmpeg list:

add vrc_eq="blurCplx^(1-qComp)" to -lavcopts and vqscale=2:vqmin=2 works 
again.

-- 
Mark



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