[x264-devel] Re: intra4x4 prediction

Loren Merritt lorenm at u.washington.edu
Fri Dec 31 02:39:52 CET 2004


On Sun, 5 Dec 2004, GC Wen wrote:

> In analyse.c ->x264_mb_analyse_intra
> save fixed intra4x4 pred mode to h->mb.cache.intra4x4_pred_mode,
> and in macroblock_enc.c->x264_macroblock_encode
> get mode from h->mb.cache.intra4x4_pred_mode and
> call predict_4x4.
> I think we should call predict_4x4 with non-fixed mode.
> is it right?

I think you are correct, but changing it doesn't seem to improve 
compression. I'll do some more investigation before committing the change.

--Loren Merritt

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