[x264-devel] add optimised functions (hpel_filter, ssd, ssim)

[Guillaume Poirier]

Hello,

Noboru Asai wrote:
> Thank you for your commit.
> 
> 2007/11/19, Guillaume POIRIER <poirierg at gmail.com
> <mailto:poirierg at gmail.com>>:
> 
>     > o pixel_ssd_8x8_altivec()
> 
>     As far as this once is concerned, I seem to be too sleepy to find a
>     set of command-line options that trigger this usage. Would you have
>     one that I could use for testing?
> 
>     Not committed.
> 
> 
>  This function is called at
> 
> encoder/rdo.c:
> 
> int ssd_mb( x264_t *h )
> {
>     return h->pixf.ssd[PIXEL_16x16]( h->mb.pic.p_fenc[0], FENC_STRIDE,
>                                      h-> mb.pic.p_fdec[0], FDEC_STRIDE )
> *        + h->pixf.ssd[PIXEL_8x8](   h->mb.pic.p_fenc[1], FENC_STRIDE,
>                                      h->mb.pic.p_fdec[1], FDEC_STRIDE )
> *        + h->pixf.ssd[PIXEL_8x8](   h-> mb.pic.p_fenc[2], FENC_STRIDE,
>                                      h->mb.pic.p_fdec[2], FDEC_STRIDE );
> }
> 
> ssd_mb() is called at
> 
> o x264_rd_cost_mb() ( m>=6 )
> o x264_macroblock_analyse() ( B-Frame, brdo, m>=6 )
> 
> so I use the following options.
> 
> --bframes 3 --ref 5 -m 7 --b-rdo

Patch applied.

Thanks a lot.

Guillaume