[Ffmpeg-cvslog] CVS: ffmpeg/libavcodec h263.c,1.295,1.296

[Corey Hickey]

Michael Niedermayer CVS wrote:
> Update of /cvsroot/ffmpeg/ffmpeg/libavcodec
> In directory mail:/var2/tmp/cvs-serv18981/libavcodec
> 
> Modified Files:
> 	h263.c 
> Log Message:
> slightly better mv_penalty table

-----------------------------------------------------------------
for i in 1:turbo 2 ; do
  time mencoder ~/dumpstream/matrix.vob -aid 128 -oac copy \
  -vf crop=718:356:0:60,scale=640:272 -sws 9 -ovc lavc -lavcopts \
vcodec=mpeg4:vbitrate=581:psnr:vpass=$i:mbd=2:mv0:trell:cbp:\
precmp=2:cmp=2:subcmp=2:predia=2:dia=2:preme=2:vme=5:v4mv:\
last_pred=2:vqcomp=0.6:vmax_b_frames=2:qpel -ofps 24000/1001 \
  -o test.avi
done

-----------------------------------------------------------------
before:

(pass 1)
PSNR: Y:40.05, Cb:44.34, Cr:44.64, All:41.09
user    35m3.198s

(pass 2)
PSNR: Y:42.10, Cb:45.17, Cr:45.85, All:42.97
user    186m36.803s

-----------------------------------------------------------------
after:

(pass 1)
PSNR: Y:40.06, Cb:44.34, Cr:44.64, All:41.10
user    35m12.394s

(pass 2)
PSNR: Y:42.10, Cb:45.17, Cr:45.85, All:42.96
user    186m52.325s

-----------------------------------------------------------------

Low-motion and high-motion scenes look identical, or very nearly so, and
I only found a few medium-motion parts that look significantly better;
however, I didn't find a single part of the "before" encode that I like
better than the "after" encode.

-Corey