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https://github.com/FFmpeg/FFmpeg.git
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rgb24toyv12 in MMX (untested)
Originally committed as revision 4623 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer
parent
4342fc14dc
commit
21316f3c84
@ -16,6 +16,8 @@
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#define CAN_COMPILE_X86_ASM
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#endif
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#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
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#ifdef CAN_COMPILE_X86_ASM
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static const uint64_t mask32b __attribute__((aligned(8))) = 0x000000FF000000FFULL;
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static const uint64_t mask32g __attribute__((aligned(8))) = 0x0000FF000000FF00ULL;
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@ -35,6 +37,20 @@ static const uint64_t blue_16mask __attribute__((aligned(8))) = 0x0000001f000000
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static const uint64_t red_15mask __attribute__((aligned(8))) = 0x00007c000000f800ULL;
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static const uint64_t green_15mask __attribute__((aligned(8)))= 0x000003e0000007e0ULL;
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static const uint64_t blue_15mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
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#ifdef FAST_BGR2YV12
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static const uint64_t bgr2YCoeff __attribute__((aligned(8))) = 0x000000210041000DULL;
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static const uint64_t bgr2UCoeff __attribute__((aligned(8))) = 0x0000FFEEFFDC0038ULL;
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static const uint64_t bgr2VCoeff __attribute__((aligned(8))) = 0x00000038FFD2FFF8ULL;
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#else
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static const uint64_t bgr2YCoeff __attribute__((aligned(8))) = 0x000020E540830C8BULL;
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static const uint64_t bgr2UCoeff __attribute__((aligned(8))) = 0x0000ED0FDAC23831ULL;
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static const uint64_t bgr2VCoeff __attribute__((aligned(8))) = 0x00003831D0E6F6EAULL;
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#endif
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static const uint64_t bgr2YOffset __attribute__((aligned(8))) = 0x1010101010101010ULL;
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static const uint64_t bgr2UVOffset __attribute__((aligned(8)))= 0x8080808080808080ULL;
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static const uint64_t w1111 __attribute__((aligned(8))) = 0x0001000100010001ULL;
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#if 0
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static volatile uint64_t __attribute__((aligned(8))) b5Dither;
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static volatile uint64_t __attribute__((aligned(8))) g5Dither;
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@ -899,7 +899,7 @@ asm volatile( EMMS" \n\t"
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*
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* height should be a multiple of 2 and width should be a multiple of 2 (if this is a
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* problem for anyone then tell me, and ill fix it)
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* chrominance data is only taken from every secound line others are ignored FIXME write HQ version
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* chrominance data is only taken from every secound line others are ignored in the C version FIXME write HQ version
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*/
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static inline void RENAME(rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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unsigned int width, unsigned int height,
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@ -907,7 +907,247 @@ static inline void RENAME(rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_
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{
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int y;
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const int chromWidth= width>>1;
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for(y=0; y<height; y+=2)
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#ifdef HAVE_MMX
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for(y=0; y<height-2; y+=2)
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{
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int i;
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for(i=0; i<2; i++)
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{
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asm volatile(
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"movl %2, %%eax \n\t"
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"movq bgr2YCoeff, %%mm6 \n\t"
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"movq w1111, %%mm5 \n\t"
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"pxor %%mm7, %%mm7 \n\t"
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"leal (%%eax, %%eax, 2), %%ebx \n\t"
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".balign 16 \n\t"
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"1: \n\t"
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PREFETCH" 64(%0, %%ebx) \n\t"
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"movd (%0, %%ebx), %%mm0 \n\t"
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"movd 3(%0, %%ebx), %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"movd 6(%0, %%ebx), %%mm2 \n\t"
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"movd 9(%0, %%ebx), %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"pmaddwd %%mm6, %%mm0 \n\t"
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"pmaddwd %%mm6, %%mm1 \n\t"
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"pmaddwd %%mm6, %%mm2 \n\t"
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"pmaddwd %%mm6, %%mm3 \n\t"
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#ifndef FAST_BGR2YV12
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"psrad $8, %%mm0 \n\t"
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"psrad $8, %%mm1 \n\t"
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"psrad $8, %%mm2 \n\t"
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"psrad $8, %%mm3 \n\t"
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#endif
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"pmaddwd %%mm5, %%mm0 \n\t"
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"pmaddwd %%mm5, %%mm2 \n\t"
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"packssdw %%mm2, %%mm0 \n\t"
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"psraw $7, %%mm0 \n\t"
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"movd 12(%0, %%ebx), %%mm4 \n\t"
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"movd 15(%0, %%ebx), %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm4 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"movd 18(%0, %%ebx), %%mm2 \n\t"
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"movd 21(%0, %%ebx), %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"pmaddwd %%mm6, %%mm4 \n\t"
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"pmaddwd %%mm6, %%mm1 \n\t"
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"pmaddwd %%mm6, %%mm2 \n\t"
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"pmaddwd %%mm6, %%mm3 \n\t"
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#ifndef FAST_BGR2YV12
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"psrad $8, %%mm4 \n\t"
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"psrad $8, %%mm1 \n\t"
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"psrad $8, %%mm2 \n\t"
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"psrad $8, %%mm3 \n\t"
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#endif
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"packssdw %%mm1, %%mm4 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"pmaddwd %%mm5, %%mm4 \n\t"
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"pmaddwd %%mm5, %%mm2 \n\t"
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"addl $24, %%ebx \n\t"
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"packssdw %%mm2, %%mm4 \n\t"
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"psraw $7, %%mm4 \n\t"
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"packuswb %%mm4, %%mm0 \n\t"
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"paddusb bgr2YOffset, %%mm0 \n\t"
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MOVNTQ" %%mm0, (%1, %%eax) \n\t"
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"addl $8, %%eax \n\t"
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" js 1b \n\t"
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: : "r" (src+width*3), "r" (ydst+width), "g" (-width)
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: "%eax", "%ebx"
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);
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ydst += lumStride;
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src += srcStride;
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}
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src -= srcStride*2;
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asm volatile(
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"movl %4, %%eax \n\t"
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"movq w1111, %%mm5 \n\t"
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"movq bgr2UCoeff, %%mm6 \n\t"
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"pxor %%mm7, %%mm7 \n\t"
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"leal (%%eax, %%eax, 2), %%ebx \n\t"
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"addl %%ebx, %%ebx \n\t"
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".balign 16 \n\t"
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"1: \n\t"
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PREFETCH" 64(%0, %%ebx) \n\t"
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PREFETCH" 64(%1, %%ebx) \n\t"
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#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
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"movq (%0, %%ebx), %%mm0 \n\t"
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"movq (%1, %%ebx), %%mm1 \n\t"
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"movq 6(%0, %%ebx), %%mm2 \n\t"
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"movq 6(%1, %%ebx), %%mm3 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm3, %%mm2 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm2, %%mm3 \n\t"
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"psrlq $24, %%mm0 \n\t"
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"psrlq $24, %%mm2 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm3, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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#else
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"movd (%0, %%ebx), %%mm0 \n\t"
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"movd (%1, %%ebx), %%mm1 \n\t"
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"movd 3(%0, %%ebx), %%mm2 \n\t"
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"movd 3(%1, %%ebx), %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"paddw %%mm2, %%mm0 \n\t"
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"movd 6(%0, %%ebx), %%mm4 \n\t"
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"movd 6(%1, %%ebx), %%mm1 \n\t"
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"movd 9(%0, %%ebx), %%mm2 \n\t"
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"movd 9(%1, %%ebx), %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm4 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"paddw %%mm1, %%mm4 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"paddw %%mm4, %%mm2 \n\t"
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"psrlw $2, %%mm0 \n\t"
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"psrlw $2, %%mm2 \n\t"
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#endif
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"movq bgr2VCoeff, %%mm1 \n\t"
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"movq bgr2VCoeff, %%mm3 \n\t"
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"pmaddwd %%mm0, %%mm1 \n\t"
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"pmaddwd %%mm2, %%mm3 \n\t"
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"pmaddwd %%mm6, %%mm0 \n\t"
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"pmaddwd %%mm6, %%mm2 \n\t"
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#ifndef FAST_BGR2YV12
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"psrad $8, %%mm0 \n\t"
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"psrad $8, %%mm1 \n\t"
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"psrad $8, %%mm2 \n\t"
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"psrad $8, %%mm3 \n\t"
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#endif
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"packssdw %%mm2, %%mm0 \n\t"
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"packssdw %%mm3, %%mm1 \n\t"
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"pmaddwd %%mm5, %%mm0 \n\t"
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"pmaddwd %%mm5, %%mm1 \n\t"
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"packssdw %%mm1, %%mm0 \n\t" // V1 V0 U1 U0
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"psraw $7, %%mm0 \n\t"
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#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
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"movq 12(%0, %%ebx), %%mm4 \n\t"
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"movq 12(%1, %%ebx), %%mm1 \n\t"
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"movq 18(%0, %%ebx), %%mm2 \n\t"
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"movq 18(%1, %%ebx), %%mm3 \n\t"
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PAVGB" %%mm1, %%mm4 \n\t"
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PAVGB" %%mm3, %%mm2 \n\t"
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"movq %%mm4, %%mm1 \n\t"
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"movq %%mm2, %%mm3 \n\t"
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"psrlq $24, %%mm4 \n\t"
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"psrlq $24, %%mm2 \n\t"
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PAVGB" %%mm1, %%mm4 \n\t"
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PAVGB" %%mm3, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm4 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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#else
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"movd 12(%0, %%ebx), %%mm4 \n\t"
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"movd 12(%1, %%ebx), %%mm1 \n\t"
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"movd 15(%0, %%ebx), %%mm2 \n\t"
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"movd 15(%1, %%ebx), %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm4 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"paddw %%mm1, %%mm4 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"paddw %%mm2, %%mm4 \n\t"
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"movd 18(%0, %%ebx), %%mm5 \n\t"
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"movd 18(%1, %%ebx), %%mm1 \n\t"
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"movd 21(%0, %%ebx), %%mm2 \n\t"
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"movd 21(%1, %%ebx), %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm5 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"paddw %%mm1, %%mm5 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"paddw %%mm5, %%mm2 \n\t"
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"movq w1111, %%mm5 \n\t"
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"psrlw $2, %%mm4 \n\t"
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"psrlw $2, %%mm2 \n\t"
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#endif
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"movq bgr2VCoeff, %%mm1 \n\t"
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"movq bgr2VCoeff, %%mm3 \n\t"
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"pmaddwd %%mm4, %%mm1 \n\t"
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"pmaddwd %%mm2, %%mm3 \n\t"
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"pmaddwd %%mm6, %%mm4 \n\t"
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"pmaddwd %%mm6, %%mm2 \n\t"
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#ifndef FAST_BGR2YV12
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"psrad $8, %%mm4 \n\t"
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"psrad $8, %%mm1 \n\t"
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"psrad $8, %%mm2 \n\t"
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"psrad $8, %%mm3 \n\t"
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#endif
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"packssdw %%mm2, %%mm4 \n\t"
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"packssdw %%mm3, %%mm1 \n\t"
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"pmaddwd %%mm5, %%mm4 \n\t"
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"pmaddwd %%mm5, %%mm1 \n\t"
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"addl $24, %%ebx \n\t"
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"packssdw %%mm1, %%mm4 \n\t" // V3 V2 U3 U2
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"psraw $7, %%mm4 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"punpckldq %%mm4, %%mm0 \n\t"
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"punpckhdq %%mm4, %%mm1 \n\t"
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"packsswb %%mm1, %%mm0 \n\t"
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"paddb bgr2UVOffset, %%mm0 \n\t"
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"movd %%mm0, (%2, %%eax) \n\t"
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"punpckhdq %%mm0, %%mm0 \n\t"
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"movd %%mm0, (%3, %%eax) \n\t"
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"addl $4, %%eax \n\t"
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" js 1b \n\t"
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: : "r" (src+width*6), "r" (src+srcStride+width*6), "r" (udst+width), "r" (vdst+width), "g" (-width)
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: "%eax", "%ebx"
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);
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udst += chromStride;
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vdst += chromStride;
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src += srcStride*2;
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}
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asm volatile( EMMS" \n\t"
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SFENCE" \n\t"
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:::"memory");
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#else
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y=0;
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#endif
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for(; y<height; y+=2)
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{
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int i;
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for(i=0; i<chromWidth; i++)
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