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| author | Michael Niedermayer <michaelni@gmx.at> | 2003-10-10 00:19:16 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-10-10 00:19:16 +0000 |
| commit | 7ac25f2d0005c337f49544fff74f69792927a920 (patch) | |
| tree | 4812b4645ba058e90f02c082d14a2605e6399113 | |
| parent | abdcd3379a0b86260406d8fd7798ba0b0b59c40b (diff) | |
| download | ffmpeg-7ac25f2d0005c337f49544fff74f69792927a920.tar.gz | |
yv12->uyvy MMX
Originally committed as revision 11073 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
| -rw-r--r-- | postproc/rgb2rgb_template.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/postproc/rgb2rgb_template.c b/postproc/rgb2rgb_template.c index acb53ea4aa..eda2ccc83a 100644 --- a/postproc/rgb2rgb_template.c +++ b/postproc/rgb2rgb_template.c @@ -1576,6 +1576,44 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u const unsigned chromWidth= width>>1; for(y=0; y<height; y++) { +#ifdef HAVE_MMX +//FIXME handle 2 lines a once (fewer prefetch, reuse some chrom, but very likely limited by mem anyway) + asm volatile( + "xorl %%eax, %%eax \n\t" + ".balign 16 \n\t" + "1: \n\t" + PREFETCH" 32(%1, %%eax, 2) \n\t" + PREFETCH" 32(%2, %%eax) \n\t" + PREFETCH" 32(%3, %%eax) \n\t" + "movq (%2, %%eax), %%mm0 \n\t" // U(0) + "movq %%mm0, %%mm2 \n\t" // U(0) + "movq (%3, %%eax), %%mm1 \n\t" // V(0) + "punpcklbw %%mm1, %%mm0 \n\t" // UVUV UVUV(0) + "punpckhbw %%mm1, %%mm2 \n\t" // UVUV UVUV(8) + + "movq (%1, %%eax,2), %%mm3 \n\t" // Y(0) + "movq 8(%1, %%eax,2), %%mm5 \n\t" // Y(8) + "movq %%mm0, %%mm4 \n\t" // Y(0) + "movq %%mm2, %%mm6 \n\t" // Y(8) + "punpcklbw %%mm3, %%mm0 \n\t" // YUYV YUYV(0) + "punpckhbw %%mm3, %%mm4 \n\t" // YUYV YUYV(4) + "punpcklbw %%mm5, %%mm2 \n\t" // YUYV YUYV(8) + "punpckhbw %%mm5, %%mm6 \n\t" // YUYV YUYV(12) + + MOVNTQ" %%mm0, (%0, %%eax, 4) \n\t" + MOVNTQ" %%mm4, 8(%0, %%eax, 4) \n\t" + MOVNTQ" %%mm2, 16(%0, %%eax, 4) \n\t" + MOVNTQ" %%mm6, 24(%0, %%eax, 4) \n\t" + + "addl $8, %%eax \n\t" + "cmpl %4, %%eax \n\t" + " jb 1b \n\t" + ::"r"(dst), "r"(ysrc), "r"(usrc), "r"(vsrc), "g" (chromWidth) + : "%eax" + ); +#else +//FIXME adapt the alpha asm code from yv12->yuy2 + #if __WORDSIZE >= 64 int i; uint64_t *ldst = (uint64_t *) dst; @@ -1603,6 +1641,7 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u vc++; } #endif +#endif if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) { usrc += chromStride; @@ -1611,6 +1650,11 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u ysrc += lumStride; dst += dstStride; } +#ifdef HAVE_MMX +asm( EMMS" \n\t" + SFENCE" \n\t" + :::"memory"); +#endif } /** |