On Wed, Sep 17, 2014 at 11:41:32AM +0200, James Almer wrote: > ffmpeg | branch: master | James Almer <jamr...@gmail.com> | Tue Sep 16 > 21:41:47 2014 -0300| [0456d169c469a79e305813d14c873fe698c8c572] | committer: > Michael Niedermayer > > x86/me_cmp: port mmxext and sse2 sad functions to yasm > > Also add a missing c->pix_abs[0][0] initialization, and sse2 versions of > sad16_x2, sad16_y2 and sad16_xy2 (%15 to %20 faster than mmxext). > Since the _xy2 versions are not bitexact, they are accordingly marked as > approximate. > > Signed-off-by: James Almer <jamr...@gmail.com> > Signed-off-by: Michael Niedermayer <michae...@gmx.at> > > > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0456d169c469a79e305813d14c873fe698c8c572 > --- > > libavcodec/x86/me_cmp.asm | 330 > ++++++++++++++++++++++++++++++++++++++++++ > libavcodec/x86/me_cmp_init.c | 203 +++++++------------------- > 2 files changed, 379 insertions(+), 154 deletions(-) > > diff --git a/libavcodec/x86/me_cmp.asm b/libavcodec/x86/me_cmp.asm > index b0741f3..27176f4 100644 > --- a/libavcodec/x86/me_cmp.asm > +++ b/libavcodec/x86/me_cmp.asm > @@ -23,6 +23,10 @@ > > %include "libavutil/x86/x86util.asm" > > +SECTION_RODATA > + > +cextern pb_1 > + > SECTION .text > > %macro DIFF_PIXELS_1 4 > @@ -465,3 +469,329 @@ cglobal hf_noise%1, 3,3,0, pix1, lsize, h > INIT_MMX mmx > HF_NOISE 8 > HF_NOISE 16 > + > +;--------------------------------------------------------------------------------------- > +;int ff_sad_<opt>(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int > stride, int h); > +;--------------------------------------------------------------------------------------- > +INIT_MMX mmxext > +cglobal sad8, 4, 4, 0, v, pix1, pix2, stride > + movu m2, [pix2q] > + movu m1, [pix2q+strideq] > + psadbw m2, [pix1q] > + psadbw m1, [pix1q+strideq] > + paddw m2, m1 > + > +%rep 3 > + lea pix1q, [pix1q+strideq*2] > + lea pix2q, [pix2q+strideq*2] > + movu m0, [pix2q] > + movu m1, [pix2q+strideq] > + psadbw m0, [pix1q] > + psadbw m1, [pix1q+strideq] > + paddw m2, m0 > + paddw m2, m1 > +%endrep > + movd eax, m2 > + RET > +
Sorry to notice that now but... what happened to the h parameter? [...] -- Clément B.
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