[Ffmpeg-cvslog] CVS: ffmpeg/libavcodec motion_est.c,1.115,1.116

Corey Hickey bugfood-ml
Thu Dec 29 06:39:42 CET 2005


Michael Niedermayer wrote:
> btw, if you want you could try to replace 
> all 'c->scene_change_score+= s->qscale' in motion_est.c
> with 'c->scene_change_score+= s->qscale*N'
> where N is a interger between 1..16 (16 should be the old, 1 the new)
> according to my tests 1 was best overall on my files but the differences
> at the low values where small (all IIRC as i cant check that ATM), so 
> maybe we should increase it ...
> you could also try different values for scene_change_threshold ...
> allthough 6h encoding for each case maybe a serious problem, my files
> where all short <=2min 

Well, I have a script running now that will test the various values in
this order:
4 8 12 16  2 6 10 14  1 3 5 7 9 11 13 15

If and when I see a trend I can kill the script and narrow it down.

-Corey





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