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| author | Michael Niedermayer <michaelni@gmx.at> | 2001-11-05 02:25:30 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2001-11-05 02:25:30 +0000 |
| commit | bd09433fa932e3c1841128e4f59d7dfb06696265 (patch) | |
| tree | 68ea937848e90b0226d0ff06f1e9a54dd7f6f8e7 /postproc/rgb2rgb_template.c | |
| parent | 4060205ba79fec5607bb00d4ba32dd93e0473168 (diff) | |
| download | ffmpeg-bd09433fa932e3c1841128e4f59d7dfb06696265.tar.gz | |
yuy2toyv12 in MMX
Originally committed as revision 2705 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Diffstat (limited to 'postproc/rgb2rgb_template.c')
| -rw-r--r-- | postproc/rgb2rgb_template.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/postproc/rgb2rgb_template.c b/postproc/rgb2rgb_template.c index d2875b65e6..166557e7ad 100644 --- a/postproc/rgb2rgb_template.c +++ b/postproc/rgb2rgb_template.c @@ -317,6 +317,60 @@ void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int n void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int num_pixels) { +#ifdef HAVE_MMX + asm volatile( + "xorl %%eax, %%eax \n\t" + "pcmpeqw %%mm7, %%mm7 \n\t" + "psrlw $8, %%mm7 \n\t" // FF,00,FF,00... + "1: \n\t" + PREFETCH" 64(%0, %%eax, 4) \n\t" + "movq (%0, %%eax, 4), %%mm0 \n\t" // YUYV YUYV(0) + "movq 8(%0, %%eax, 4), %%mm1 \n\t" // YUYV YUYV(4) + "movq %%mm0, %%mm2 \n\t" // YUYV YUYV(0) + "movq %%mm1, %%mm3 \n\t" // YUYV YUYV(4) + "psrlw $8, %%mm0 \n\t" // U0V0 U0V0(0) + "psrlw $8, %%mm1 \n\t" // U0V0 U0V0(4) + "pand %%mm7, %%mm2 \n\t" // Y0Y0 Y0Y0(0) + "pand %%mm7, %%mm3 \n\t" // Y0Y0 Y0Y0(4) + "packuswb %%mm1, %%mm0 \n\t" // UVUV UVUV(0) + "packuswb %%mm3, %%mm2 \n\t" // YYYY YYYY(0) + + MOVNTQ" %%mm2, (%1, %%eax, 2) \n\t" + + "movq 16(%0, %%eax, 4), %%mm1 \n\t" // YUYV YUYV(8) + "movq 24(%0, %%eax, 4), %%mm2 \n\t" // YUYV YUYV(12) + "movq %%mm1, %%mm3 \n\t" // YUYV YUYV(8) + "movq %%mm2, %%mm4 \n\t" // YUYV YUYV(12) + "psrlw $8, %%mm1 \n\t" // U0V0 U0V0(8) + "psrlw $8, %%mm2 \n\t" // U0V0 U0V0(12) + "pand %%mm7, %%mm3 \n\t" // Y0Y0 Y0Y0(8) + "pand %%mm7, %%mm4 \n\t" // Y0Y0 Y0Y0(12) + "packuswb %%mm2, %%mm1 \n\t" // UVUV UVUV(8) + "packuswb %%mm4, %%mm3 \n\t" // YYYY YYYY(8) + + MOVNTQ" %%mm3, 8(%1, %%eax, 2) \n\t" + + "movq %%mm0, %%mm2 \n\t" // UVUV UVUV(0) + "movq %%mm1, %%mm3 \n\t" // UVUV UVUV(8) + "psrlw $8, %%mm0 \n\t" // V0V0 V0V0(0) + "psrlw $8, %%mm1 \n\t" // V0V0 V0V0(8) + "pand %%mm7, %%mm2 \n\t" // U0U0 U0U0(0) + "pand %%mm7, %%mm3 \n\t" // U0U0 U0U0(8) + "packuswb %%mm1, %%mm0 \n\t" // VVVV VVVV(0) + "packuswb %%mm3, %%mm2 \n\t" // UUUU UUUU(0) + + MOVNTQ" %%mm0, (%3, %%eax) \n\t" + MOVNTQ" %%mm2, (%2, %%eax) \n\t" + + "addl $8, %%eax \n\t" + "cmpl %4, %%eax \n\t" + " jb 1b \n\t" + EMMS" \n\t" + SFENCE + ::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "r" (num_pixels>>1) + : "memory", "%eax" + ); +#else int i; num_pixels>>=1; for(i=0; i<num_pixels; i++) @@ -326,4 +380,5 @@ void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int n ydst[2*i+1] = src[4*i+2]; vdst[i] = src[4*i+3]; } +#endif }
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