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mpv/postproc/swscale_template.c

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// Software scaling and colorspace conversion routines for MPlayer
// Orginal C implementation by A'rpi/ESP-team <arpi@thot.banki.hu>
// current version mostly by Michael Niedermayer (michaelni@gmx.at)
// the parts written by michael are under GNU GPL
#undef MOVNTQ
#undef PAVGB
#undef PREFETCH
#undef PREFETCHW
#undef EMMS
#undef SFENCE
#ifdef HAVE_3DNOW
/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
#define EMMS "femms"
#else
#define EMMS "emms"
#endif
#ifdef HAVE_3DNOW
#define PREFETCH "prefetch"
#define PREFETCHW "prefetchw"
#elif defined ( HAVE_MMX2 )
#define PREFETCH "prefetchnta"
#define PREFETCHW "prefetcht0"
#else
#define PREFETCH "/nop"
#define PREFETCHW "/nop"
#endif
#ifdef HAVE_MMX2
#define SFENCE "sfence"
#else
#define SFENCE "/nop"
#endif
#ifdef HAVE_MMX2
#define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
#elif defined (HAVE_3DNOW)
#define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
#endif
#ifdef HAVE_MMX2
#define MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
#else
#define MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
#endif
#define YSCALEYUV2YV12X(x) \
"xorl %%eax, %%eax \n\t"\
"pxor %%mm3, %%mm3 \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"movl %0, %%edx \n\t"\
".balign 16 \n\t" /* FIXME Unroll? */\
"1: \n\t"\
"movl (%1, %%edx, 4), %%esi \n\t"\
"movq (%2, %%edx, 8), %%mm0 \n\t" /* filterCoeff */\
"movq " #x "(%%esi, %%eax, 2), %%mm2 \n\t" /* srcData */\
"movq 8+" #x "(%%esi, %%eax, 2), %%mm5 \n\t" /* srcData */\
"pmulhw %%mm0, %%mm2 \n\t"\
"pmulhw %%mm0, %%mm5 \n\t"\
"paddw %%mm2, %%mm3 \n\t"\
"paddw %%mm5, %%mm4 \n\t"\
"addl $1, %%edx \n\t"\
" jnz 1b \n\t"\
"psraw $3, %%mm3 \n\t"\
"psraw $3, %%mm4 \n\t"\
"packuswb %%mm4, %%mm3 \n\t"\
MOVNTQ(%%mm3, (%3, %%eax))\
"addl $8, %%eax \n\t"\
"cmpl %4, %%eax \n\t"\
"pxor %%mm3, %%mm3 \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"movl %0, %%edx \n\t"\
"jb 1b \n\t"
#define YSCALEYUV2YV121 \
"movl %2, %%eax \n\t"\
".balign 16 \n\t" /* FIXME Unroll? */\
"1: \n\t"\
"movq (%0, %%eax, 2), %%mm0 \n\t"\
"movq 8(%0, %%eax, 2), %%mm1 \n\t"\
"psraw $7, %%mm0 \n\t"\
"psraw $7, %%mm1 \n\t"\
"packuswb %%mm1, %%mm0 \n\t"\
MOVNTQ(%%mm0, (%1, %%eax))\
"addl $8, %%eax \n\t"\
"jnc 1b \n\t"
/*
:: "m" (-lumFilterSize), "m" (-chrFilterSize),
"m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
"r" (dest), "m" (dstW),
"m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
: "%eax", "%ebx", "%ecx", "%edx", "%esi"
*/
#define YSCALEYUV2RGBX \
"xorl %%eax, %%eax \n\t"\
".balign 16 \n\t"\
"1: \n\t"\
"movl %1, %%edx \n\t" /* -chrFilterSize */\
"movl %3, %%ebx \n\t" /* chrMmxFilter+lumFilterSize */\
"movl %7, %%ecx \n\t" /* chrSrc+lumFilterSize */\
"pxor %%mm3, %%mm3 \n\t"\
"pxor %%mm4, %%mm4 \n\t"\
"2: \n\t"\
"movl (%%ecx, %%edx, 4), %%esi \n\t"\
"movq (%%ebx, %%edx, 8), %%mm0 \n\t" /* filterCoeff */\
"movq (%%esi, %%eax), %%mm2 \n\t" /* UsrcData */\
"movq 4096(%%esi, %%eax), %%mm5 \n\t" /* VsrcData */\
"pmulhw %%mm0, %%mm2 \n\t"\
"pmulhw %%mm0, %%mm5 \n\t"\
"paddw %%mm2, %%mm3 \n\t"\
"paddw %%mm5, %%mm4 \n\t"\
"addl $1, %%edx \n\t"\
" jnz 2b \n\t"\
\
"movl %0, %%edx \n\t" /* -lumFilterSize */\
"movl %2, %%ebx \n\t" /* lumMmxFilter+lumFilterSize */\
"movl %6, %%ecx \n\t" /* lumSrc+lumFilterSize */\
"pxor %%mm1, %%mm1 \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"2: \n\t"\
"movl (%%ecx, %%edx, 4), %%esi \n\t"\
"movq (%%ebx, %%edx, 8), %%mm0 \n\t" /* filterCoeff */\
"movq (%%esi, %%eax, 2), %%mm2 \n\t" /* Y1srcData */\
"movq 8(%%esi, %%eax, 2), %%mm5 \n\t" /* Y2srcData */\
"pmulhw %%mm0, %%mm2 \n\t"\
"pmulhw %%mm0, %%mm5 \n\t"\
"paddw %%mm2, %%mm1 \n\t"\
"paddw %%mm5, %%mm7 \n\t"\
"addl $1, %%edx \n\t"\
" jnz 2b \n\t"\
\
"psubw w400, %%mm3 \n\t" /* (U-128)8*/\
"psubw w400, %%mm4 \n\t" /* (V-128)8*/\
"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
"movq %%mm4, %%mm5 \n\t" /* (V-128)8*/\
"pmulhw ugCoeff, %%mm3 \n\t"\
"pmulhw vgCoeff, %%mm4 \n\t"\
/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
"pmulhw ubCoeff, %%mm2 \n\t"\
"pmulhw vrCoeff, %%mm5 \n\t"\
"psubw w80, %%mm1 \n\t" /* 8(Y-16)*/\
"psubw w80, %%mm7 \n\t" /* 8(Y-16)*/\
"pmulhw yCoeff, %%mm1 \n\t"\
"pmulhw yCoeff, %%mm7 \n\t"\
/* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
"paddw %%mm3, %%mm4 \n\t"\
"movq %%mm2, %%mm0 \n\t"\
"movq %%mm5, %%mm6 \n\t"\
"movq %%mm4, %%mm3 \n\t"\
"punpcklwd %%mm2, %%mm2 \n\t"\
"punpcklwd %%mm5, %%mm5 \n\t"\
"punpcklwd %%mm4, %%mm4 \n\t"\
"paddw %%mm1, %%mm2 \n\t"\
"paddw %%mm1, %%mm5 \n\t"\
"paddw %%mm1, %%mm4 \n\t"\
"punpckhwd %%mm0, %%mm0 \n\t"\
"punpckhwd %%mm6, %%mm6 \n\t"\
"punpckhwd %%mm3, %%mm3 \n\t"\
"paddw %%mm7, %%mm0 \n\t"\
"paddw %%mm7, %%mm6 \n\t"\
"paddw %%mm7, %%mm3 \n\t"\
/* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
"packuswb %%mm0, %%mm2 \n\t"\
"packuswb %%mm6, %%mm5 \n\t"\
"packuswb %%mm3, %%mm4 \n\t"\
"pxor %%mm7, %%mm7 \n\t"
#define FULL_YSCALEYUV2RGB \
"pxor %%mm7, %%mm7 \n\t"\
"movd %6, %%mm6 \n\t" /*yalpha1*/\
"punpcklwd %%mm6, %%mm6 \n\t"\
"punpcklwd %%mm6, %%mm6 \n\t"\
"movd %7, %%mm5 \n\t" /*uvalpha1*/\
"punpcklwd %%mm5, %%mm5 \n\t"\
"punpcklwd %%mm5, %%mm5 \n\t"\
"xorl %%eax, %%eax \n\t"\
".balign 16 \n\t"\
"1: \n\t"\
"movq (%0, %%eax, 2), %%mm0 \n\t" /*buf0[eax]*/\
"movq (%1, %%eax, 2), %%mm1 \n\t" /*buf1[eax]*/\
"movq (%2, %%eax,2), %%mm2 \n\t" /* uvbuf0[eax]*/\
"movq (%3, %%eax,2), %%mm3 \n\t" /* uvbuf1[eax]*/\
"psubw %%mm1, %%mm0 \n\t" /* buf0[eax] - buf1[eax]*/\
"psubw %%mm3, %%mm2 \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
"pmulhw %%mm6, %%mm0 \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
"pmulhw %%mm5, %%mm2 \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
"psraw $4, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
"movq 4096(%2, %%eax,2), %%mm4 \n\t" /* uvbuf0[eax+2048]*/\
"psraw $4, %%mm3 \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
"paddw %%mm0, %%mm1 \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
"movq 4096(%3, %%eax,2), %%mm0 \n\t" /* uvbuf1[eax+2048]*/\
"paddw %%mm2, %%mm3 \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
"psubw %%mm0, %%mm4 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
"psubw w80, %%mm1 \n\t" /* 8(Y-16)*/\
"psubw w400, %%mm3 \n\t" /* 8(U-128)*/\
"pmulhw yCoeff, %%mm1 \n\t"\
\
\
"pmulhw %%mm5, %%mm4 \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
"pmulhw ubCoeff, %%mm3 \n\t"\
"psraw $4, %%mm0 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
"pmulhw ugCoeff, %%mm2 \n\t"\
"paddw %%mm4, %%mm0 \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
"psubw w400, %%mm0 \n\t" /* (V-128)8*/\
\
\
"movq %%mm0, %%mm4 \n\t" /* (V-128)8*/\
"pmulhw vrCoeff, %%mm0 \n\t"\
"pmulhw vgCoeff, %%mm4 \n\t"\
"paddw %%mm1, %%mm3 \n\t" /* B*/\
"paddw %%mm1, %%mm0 \n\t" /* R*/\
"packuswb %%mm3, %%mm3 \n\t"\
\
"packuswb %%mm0, %%mm0 \n\t"\
"paddw %%mm4, %%mm2 \n\t"\
"paddw %%mm2, %%mm1 \n\t" /* G*/\
\
"packuswb %%mm1, %%mm1 \n\t"
#define YSCALEYUV2RGB \
"movd %6, %%mm6 \n\t" /*yalpha1*/\
"punpcklwd %%mm6, %%mm6 \n\t"\
"punpcklwd %%mm6, %%mm6 \n\t"\
"movq %%mm6, asm_yalpha1 \n\t"\
"movd %7, %%mm5 \n\t" /*uvalpha1*/\
"punpcklwd %%mm5, %%mm5 \n\t"\
"punpcklwd %%mm5, %%mm5 \n\t"\
"movq %%mm5, asm_uvalpha1 \n\t"\
"xorl %%eax, %%eax \n\t"\
".balign 16 \n\t"\
"1: \n\t"\
"movq (%2, %%eax), %%mm2 \n\t" /* uvbuf0[eax]*/\
"movq (%3, %%eax), %%mm3 \n\t" /* uvbuf1[eax]*/\
"movq 4096(%2, %%eax), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
"movq 4096(%3, %%eax), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
"psubw %%mm3, %%mm2 \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
"psubw %%mm4, %%mm5 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
"movq asm_uvalpha1, %%mm0 \n\t"\
"pmulhw %%mm0, %%mm2 \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
"pmulhw %%mm0, %%mm5 \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
"psraw $4, %%mm3 \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
"psraw $4, %%mm4 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
"paddw %%mm2, %%mm3 \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
"paddw %%mm5, %%mm4 \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
"psubw w400, %%mm3 \n\t" /* (U-128)8*/\
"psubw w400, %%mm4 \n\t" /* (V-128)8*/\
"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
"movq %%mm4, %%mm5 \n\t" /* (V-128)8*/\
"pmulhw ugCoeff, %%mm3 \n\t"\
"pmulhw vgCoeff, %%mm4 \n\t"\
/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
"movq (%0, %%eax, 2), %%mm0 \n\t" /*buf0[eax]*/\
"movq (%1, %%eax, 2), %%mm1 \n\t" /*buf1[eax]*/\
"movq 8(%0, %%eax, 2), %%mm6 \n\t" /*buf0[eax]*/\
"movq 8(%1, %%eax, 2), %%mm7 \n\t" /*buf1[eax]*/\
"psubw %%mm1, %%mm0 \n\t" /* buf0[eax] - buf1[eax]*/\
"psubw %%mm7, %%mm6 \n\t" /* buf0[eax] - buf1[eax]*/\
"pmulhw asm_yalpha1, %%mm0 \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
"pmulhw asm_yalpha1, %%mm6 \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
"psraw $4, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
"psraw $4, %%mm7 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
"paddw %%mm0, %%mm1 \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
"paddw %%mm6, %%mm7 \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
"pmulhw ubCoeff, %%mm2 \n\t"\
"pmulhw vrCoeff, %%mm5 \n\t"\
"psubw w80, %%mm1 \n\t" /* 8(Y-16)*/\
"psubw w80, %%mm7 \n\t" /* 8(Y-16)*/\
"pmulhw yCoeff, %%mm1 \n\t"\
"pmulhw yCoeff, %%mm7 \n\t"\
/* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
"paddw %%mm3, %%mm4 \n\t"\
"movq %%mm2, %%mm0 \n\t"\
"movq %%mm5, %%mm6 \n\t"\
"movq %%mm4, %%mm3 \n\t"\
"punpcklwd %%mm2, %%mm2 \n\t"\
"punpcklwd %%mm5, %%mm5 \n\t"\
"punpcklwd %%mm4, %%mm4 \n\t"\
"paddw %%mm1, %%mm2 \n\t"\
"paddw %%mm1, %%mm5 \n\t"\
"paddw %%mm1, %%mm4 \n\t"\
"punpckhwd %%mm0, %%mm0 \n\t"\
"punpckhwd %%mm6, %%mm6 \n\t"\
"punpckhwd %%mm3, %%mm3 \n\t"\
"paddw %%mm7, %%mm0 \n\t"\
"paddw %%mm7, %%mm6 \n\t"\
"paddw %%mm7, %%mm3 \n\t"\
/* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
"packuswb %%mm0, %%mm2 \n\t"\
"packuswb %%mm6, %%mm5 \n\t"\
"packuswb %%mm3, %%mm4 \n\t"\
"pxor %%mm7, %%mm7 \n\t"
#define YSCALEYUV2RGB1 \
"xorl %%eax, %%eax \n\t"\
".balign 16 \n\t"\
"1: \n\t"\
"movq (%2, %%eax), %%mm3 \n\t" /* uvbuf0[eax]*/\
"movq 4096(%2, %%eax), %%mm4 \n\t" /* uvbuf0[eax+2048]*/\
"psraw $4, %%mm3 \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
"psraw $4, %%mm4 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
"psubw w400, %%mm3 \n\t" /* (U-128)8*/\
"psubw w400, %%mm4 \n\t" /* (V-128)8*/\
"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
"movq %%mm4, %%mm5 \n\t" /* (V-128)8*/\
"pmulhw ugCoeff, %%mm3 \n\t"\
"pmulhw vgCoeff, %%mm4 \n\t"\
/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
"movq (%0, %%eax, 2), %%mm1 \n\t" /*buf0[eax]*/\
"movq 8(%0, %%eax, 2), %%mm7 \n\t" /*buf0[eax]*/\
"psraw $4, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
"psraw $4, %%mm7 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
"pmulhw ubCoeff, %%mm2 \n\t"\
"pmulhw vrCoeff, %%mm5 \n\t"\
"psubw w80, %%mm1 \n\t" /* 8(Y-16)*/\
"psubw w80, %%mm7 \n\t" /* 8(Y-16)*/\
"pmulhw yCoeff, %%mm1 \n\t"\
"pmulhw yCoeff, %%mm7 \n\t"\
/* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
"paddw %%mm3, %%mm4 \n\t"\
"movq %%mm2, %%mm0 \n\t"\
"movq %%mm5, %%mm6 \n\t"\
"movq %%mm4, %%mm3 \n\t"\
"punpcklwd %%mm2, %%mm2 \n\t"\
"punpcklwd %%mm5, %%mm5 \n\t"\
"punpcklwd %%mm4, %%mm4 \n\t"\
"paddw %%mm1, %%mm2 \n\t"\
"paddw %%mm1, %%mm5 \n\t"\
"paddw %%mm1, %%mm4 \n\t"\
"punpckhwd %%mm0, %%mm0 \n\t"\
"punpckhwd %%mm6, %%mm6 \n\t"\
"punpckhwd %%mm3, %%mm3 \n\t"\
"paddw %%mm7, %%mm0 \n\t"\
"paddw %%mm7, %%mm6 \n\t"\
"paddw %%mm7, %%mm3 \n\t"\
/* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
"packuswb %%mm0, %%mm2 \n\t"\
"packuswb %%mm6, %%mm5 \n\t"\
"packuswb %%mm3, %%mm4 \n\t"\
"pxor %%mm7, %%mm7 \n\t"
// do vertical chrominance interpolation
#define YSCALEYUV2RGB1b \
"xorl %%eax, %%eax \n\t"\
".balign 16 \n\t"\
"1: \n\t"\
"movq (%2, %%eax), %%mm2 \n\t" /* uvbuf0[eax]*/\
"movq (%3, %%eax), %%mm3 \n\t" /* uvbuf1[eax]*/\
"movq 4096(%2, %%eax), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
"movq 4096(%3, %%eax), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
"paddw %%mm2, %%mm3 \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
"paddw %%mm5, %%mm4 \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
"psrlw $5, %%mm3 \n\t" /*FIXME might overflow*/\
"psrlw $5, %%mm4 \n\t" /*FIXME might overflow*/\
"psubw w400, %%mm3 \n\t" /* (U-128)8*/\
"psubw w400, %%mm4 \n\t" /* (V-128)8*/\
"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
"movq %%mm4, %%mm5 \n\t" /* (V-128)8*/\
"pmulhw ugCoeff, %%mm3 \n\t"\
"pmulhw vgCoeff, %%mm4 \n\t"\
/* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
"movq (%0, %%eax, 2), %%mm1 \n\t" /*buf0[eax]*/\
"movq 8(%0, %%eax, 2), %%mm7 \n\t" /*buf0[eax]*/\
"psraw $4, %%mm1 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
"psraw $4, %%mm7 \n\t" /* buf0[eax] - buf1[eax] >>4*/\
"pmulhw ubCoeff, %%mm2 \n\t"\
"pmulhw vrCoeff, %%mm5 \n\t"\
"psubw w80, %%mm1 \n\t" /* 8(Y-16)*/\
"psubw w80, %%mm7 \n\t" /* 8(Y-16)*/\
"pmulhw yCoeff, %%mm1 \n\t"\
"pmulhw yCoeff, %%mm7 \n\t"\
/* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
"paddw %%mm3, %%mm4 \n\t"\
"movq %%mm2, %%mm0 \n\t"\
"movq %%mm5, %%mm6 \n\t"\
"movq %%mm4, %%mm3 \n\t"\
"punpcklwd %%mm2, %%mm2 \n\t"\
"punpcklwd %%mm5, %%mm5 \n\t"\
"punpcklwd %%mm4, %%mm4 \n\t"\
"paddw %%mm1, %%mm2 \n\t"\
"paddw %%mm1, %%mm5 \n\t"\
"paddw %%mm1, %%mm4 \n\t"\
"punpckhwd %%mm0, %%mm0 \n\t"\
"punpckhwd %%mm6, %%mm6 \n\t"\
"punpckhwd %%mm3, %%mm3 \n\t"\
"paddw %%mm7, %%mm0 \n\t"\
"paddw %%mm7, %%mm6 \n\t"\
"paddw %%mm7, %%mm3 \n\t"\
/* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
"packuswb %%mm0, %%mm2 \n\t"\
"packuswb %%mm6, %%mm5 \n\t"\
"packuswb %%mm3, %%mm4 \n\t"\
"pxor %%mm7, %%mm7 \n\t"
#define WRITEBGR32 \
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
"movq %%mm2, %%mm1 \n\t" /* B */\
"movq %%mm5, %%mm6 \n\t" /* R */\
"punpcklbw %%mm4, %%mm2 \n\t" /* GBGBGBGB 0 */\
"punpcklbw %%mm7, %%mm5 \n\t" /* 0R0R0R0R 0 */\
"punpckhbw %%mm4, %%mm1 \n\t" /* GBGBGBGB 2 */\
"punpckhbw %%mm7, %%mm6 \n\t" /* 0R0R0R0R 2 */\
"movq %%mm2, %%mm0 \n\t" /* GBGBGBGB 0 */\
"movq %%mm1, %%mm3 \n\t" /* GBGBGBGB 2 */\
"punpcklwd %%mm5, %%mm0 \n\t" /* 0RGB0RGB 0 */\
"punpckhwd %%mm5, %%mm2 \n\t" /* 0RGB0RGB 1 */\
"punpcklwd %%mm6, %%mm1 \n\t" /* 0RGB0RGB 2 */\
"punpckhwd %%mm6, %%mm3 \n\t" /* 0RGB0RGB 3 */\
\
MOVNTQ(%%mm0, (%4, %%eax, 4))\
MOVNTQ(%%mm2, 8(%4, %%eax, 4))\
MOVNTQ(%%mm1, 16(%4, %%eax, 4))\
MOVNTQ(%%mm3, 24(%4, %%eax, 4))\
\
"addl $8, %%eax \n\t"\
"cmpl %5, %%eax \n\t"\
" jb 1b \n\t"
#define WRITEBGR16 \
"pand bF8, %%mm2 \n\t" /* B */\
"pand bFC, %%mm4 \n\t" /* G */\
"pand bF8, %%mm5 \n\t" /* R */\
"psrlq $3, %%mm2 \n\t"\
\
"movq %%mm2, %%mm1 \n\t"\
"movq %%mm4, %%mm3 \n\t"\
\
"punpcklbw %%mm7, %%mm3 \n\t"\
"punpcklbw %%mm5, %%mm2 \n\t"\
"punpckhbw %%mm7, %%mm4 \n\t"\
"punpckhbw %%mm5, %%mm1 \n\t"\
\
"psllq $3, %%mm3 \n\t"\
"psllq $3, %%mm4 \n\t"\
\
"por %%mm3, %%mm2 \n\t"\
"por %%mm4, %%mm1 \n\t"\
\
MOVNTQ(%%mm2, (%4, %%eax, 2))\
MOVNTQ(%%mm1, 8(%4, %%eax, 2))\
\
"addl $8, %%eax \n\t"\
"cmpl %5, %%eax \n\t"\
" jb 1b \n\t"
#define WRITEBGR15 \
"pand bF8, %%mm2 \n\t" /* B */\
"pand bF8, %%mm4 \n\t" /* G */\
"pand bF8, %%mm5 \n\t" /* R */\
"psrlq $3, %%mm2 \n\t"\
"psrlq $1, %%mm5 \n\t"\
\
"movq %%mm2, %%mm1 \n\t"\
"movq %%mm4, %%mm3 \n\t"\
\
"punpcklbw %%mm7, %%mm3 \n\t"\
"punpcklbw %%mm5, %%mm2 \n\t"\
"punpckhbw %%mm7, %%mm4 \n\t"\
"punpckhbw %%mm5, %%mm1 \n\t"\
\
"psllq $2, %%mm3 \n\t"\
"psllq $2, %%mm4 \n\t"\
\
"por %%mm3, %%mm2 \n\t"\
"por %%mm4, %%mm1 \n\t"\
\
MOVNTQ(%%mm2, (%4, %%eax, 2))\
MOVNTQ(%%mm1, 8(%4, %%eax, 2))\
\
"addl $8, %%eax \n\t"\
"cmpl %5, %%eax \n\t"\
" jb 1b \n\t"
#define WRITEBGR24OLD \
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
"movq %%mm2, %%mm1 \n\t" /* B */\
"movq %%mm5, %%mm6 \n\t" /* R */\
"punpcklbw %%mm4, %%mm2 \n\t" /* GBGBGBGB 0 */\
"punpcklbw %%mm7, %%mm5 \n\t" /* 0R0R0R0R 0 */\
"punpckhbw %%mm4, %%mm1 \n\t" /* GBGBGBGB 2 */\
"punpckhbw %%mm7, %%mm6 \n\t" /* 0R0R0R0R 2 */\
"movq %%mm2, %%mm0 \n\t" /* GBGBGBGB 0 */\
"movq %%mm1, %%mm3 \n\t" /* GBGBGBGB 2 */\
"punpcklwd %%mm5, %%mm0 \n\t" /* 0RGB0RGB 0 */\
"punpckhwd %%mm5, %%mm2 \n\t" /* 0RGB0RGB 1 */\
"punpcklwd %%mm6, %%mm1 \n\t" /* 0RGB0RGB 2 */\
"punpckhwd %%mm6, %%mm3 \n\t" /* 0RGB0RGB 3 */\
\
"movq %%mm0, %%mm4 \n\t" /* 0RGB0RGB 0 */\
"psrlq $8, %%mm0 \n\t" /* 00RGB0RG 0 */\
"pand bm00000111, %%mm4 \n\t" /* 00000RGB 0 */\
"pand bm11111000, %%mm0 \n\t" /* 00RGB000 0.5 */\
"por %%mm4, %%mm0 \n\t" /* 00RGBRGB 0 */\
"movq %%mm2, %%mm4 \n\t" /* 0RGB0RGB 1 */\
"psllq $48, %%mm2 \n\t" /* GB000000 1 */\
"por %%mm2, %%mm0 \n\t" /* GBRGBRGB 0 */\
\
"movq %%mm4, %%mm2 \n\t" /* 0RGB0RGB 1 */\
"psrld $16, %%mm4 \n\t" /* 000R000R 1 */\
"psrlq $24, %%mm2 \n\t" /* 0000RGB0 1.5 */\
"por %%mm4, %%mm2 \n\t" /* 000RRGBR 1 */\
"pand bm00001111, %%mm2 \n\t" /* 0000RGBR 1 */\
"movq %%mm1, %%mm4 \n\t" /* 0RGB0RGB 2 */\
"psrlq $8, %%mm1 \n\t" /* 00RGB0RG 2 */\
"pand bm00000111, %%mm4 \n\t" /* 00000RGB 2 */\
"pand bm11111000, %%mm1 \n\t" /* 00RGB000 2.5 */\
"por %%mm4, %%mm1 \n\t" /* 00RGBRGB 2 */\
"movq %%mm1, %%mm4 \n\t" /* 00RGBRGB 2 */\
"psllq $32, %%mm1 \n\t" /* BRGB0000 2 */\
"por %%mm1, %%mm2 \n\t" /* BRGBRGBR 1 */\
\
"psrlq $32, %%mm4 \n\t" /* 000000RG 2.5 */\
"movq %%mm3, %%mm5 \n\t" /* 0RGB0RGB 3 */\
"psrlq $8, %%mm3 \n\t" /* 00RGB0RG 3 */\
"pand bm00000111, %%mm5 \n\t" /* 00000RGB 3 */\
"pand bm11111000, %%mm3 \n\t" /* 00RGB000 3.5 */\
"por %%mm5, %%mm3 \n\t" /* 00RGBRGB 3 */\
"psllq $16, %%mm3 \n\t" /* RGBRGB00 3 */\
"por %%mm4, %%mm3 \n\t" /* RGBRGBRG 2.5 */\
\
MOVNTQ(%%mm0, (%%ebx))\
MOVNTQ(%%mm2, 8(%%ebx))\
MOVNTQ(%%mm3, 16(%%ebx))\
"addl $24, %%ebx \n\t"\
\
"addl $8, %%eax \n\t"\
"cmpl %5, %%eax \n\t"\
" jb 1b \n\t"
#define WRITEBGR24MMX \
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
"movq %%mm2, %%mm1 \n\t" /* B */\
"movq %%mm5, %%mm6 \n\t" /* R */\
"punpcklbw %%mm4, %%mm2 \n\t" /* GBGBGBGB 0 */\
"punpcklbw %%mm7, %%mm5 \n\t" /* 0R0R0R0R 0 */\
"punpckhbw %%mm4, %%mm1 \n\t" /* GBGBGBGB 2 */\
"punpckhbw %%mm7, %%mm6 \n\t" /* 0R0R0R0R 2 */\
"movq %%mm2, %%mm0 \n\t" /* GBGBGBGB 0 */\
"movq %%mm1, %%mm3 \n\t" /* GBGBGBGB 2 */\
"punpcklwd %%mm5, %%mm0 \n\t" /* 0RGB0RGB 0 */\
"punpckhwd %%mm5, %%mm2 \n\t" /* 0RGB0RGB 1 */\
"punpcklwd %%mm6, %%mm1 \n\t" /* 0RGB0RGB 2 */\
"punpckhwd %%mm6, %%mm3 \n\t" /* 0RGB0RGB 3 */\
\
"movq %%mm0, %%mm4 \n\t" /* 0RGB0RGB 0 */\
"movq %%mm2, %%mm6 \n\t" /* 0RGB0RGB 1 */\
"movq %%mm1, %%mm5 \n\t" /* 0RGB0RGB 2 */\
"movq %%mm3, %%mm7 \n\t" /* 0RGB0RGB 3 */\
\
"psllq $40, %%mm0 \n\t" /* RGB00000 0 */\
"psllq $40, %%mm2 \n\t" /* RGB00000 1 */\
"psllq $40, %%mm1 \n\t" /* RGB00000 2 */\
"psllq $40, %%mm3 \n\t" /* RGB00000 3 */\
\
"punpckhdq %%mm4, %%mm0 \n\t" /* 0RGBRGB0 0 */\
"punpckhdq %%mm6, %%mm2 \n\t" /* 0RGBRGB0 1 */\
"punpckhdq %%mm5, %%mm1 \n\t" /* 0RGBRGB0 2 */\
"punpckhdq %%mm7, %%mm3 \n\t" /* 0RGBRGB0 3 */\
\
"psrlq $8, %%mm0 \n\t" /* 00RGBRGB 0 */\
"movq %%mm2, %%mm6 \n\t" /* 0RGBRGB0 1 */\
"psllq $40, %%mm2 \n\t" /* GB000000 1 */\
"por %%mm2, %%mm0 \n\t" /* GBRGBRGB 0 */\
MOVNTQ(%%mm0, (%%ebx))\
\
"psrlq $24, %%mm6 \n\t" /* 0000RGBR 1 */\
"movq %%mm1, %%mm5 \n\t" /* 0RGBRGB0 2 */\
"psllq $24, %%mm1 \n\t" /* BRGB0000 2 */\
"por %%mm1, %%mm6 \n\t" /* BRGBRGBR 1 */\
MOVNTQ(%%mm6, 8(%%ebx))\
\
"psrlq $40, %%mm5 \n\t" /* 000000RG 2 */\
"psllq $8, %%mm3 \n\t" /* RGBRGB00 3 */\
"por %%mm3, %%mm5 \n\t" /* RGBRGBRG 2 */\
MOVNTQ(%%mm5, 16(%%ebx))\
\
"addl $24, %%ebx \n\t"\
\
"addl $8, %%eax \n\t"\
"cmpl %5, %%eax \n\t"\
" jb 1b \n\t"
#define WRITEBGR24MMX2 \
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
"movq M24A, %%mm0 \n\t"\
"movq M24C, %%mm7 \n\t"\
"pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2 B1 B0 B1 B0 */\
"pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2 G1 G0 G1 G0 */\
"pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0 R1 R0 R1 R0 */\
\
"pand %%mm0, %%mm1 \n\t" /* B2 B1 B0 */\
"pand %%mm0, %%mm3 \n\t" /* G2 G1 G0 */\
"pand %%mm7, %%mm6 \n\t" /* R1 R0 */\
\
"psllq $8, %%mm3 \n\t" /* G2 G1 G0 */\
"por %%mm1, %%mm6 \n\t"\
"por %%mm3, %%mm6 \n\t"\
MOVNTQ(%%mm6, (%%ebx))\
\
"psrlq $8, %%mm4 \n\t" /* 00 G7 G6 G5 G4 G3 G2 G1 */\
"pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4 B3 B2 B3 B2 */\
"pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3 G4 G3 G4 G3 */\
"pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4 R3 R2 R3 R2 */\
\
"pand M24B, %%mm1 \n\t" /* B5 B4 B3 */\
"pand %%mm7, %%mm3 \n\t" /* G4 G3 */\
"pand %%mm0, %%mm6 \n\t" /* R4 R3 R2 */\
\
"por %%mm1, %%mm3 \n\t" /* B5 G4 B4 G3 B3 */\
"por %%mm3, %%mm6 \n\t"\
MOVNTQ(%%mm6, 8(%%ebx))\
\
"pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6 B7 B6 B6 B7 */\
"pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7 G6 G5 G6 G5 */\
"pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6 R5 R4 R5 R4 */\
\
"pand %%mm7, %%mm1 \n\t" /* B7 B6 */\
"pand %%mm0, %%mm3 \n\t" /* G7 G6 G5 */\
"pand M24B, %%mm6 \n\t" /* R7 R6 R5 */\
\
"por %%mm1, %%mm3 \n\t"\
"por %%mm3, %%mm6 \n\t"\
MOVNTQ(%%mm6, 16(%%ebx))\
\
"addl $24, %%ebx \n\t"\
\
"addl $8, %%eax \n\t"\
"cmpl %5, %%eax \n\t"\
" jb 1b \n\t"
#ifdef HAVE_MMX2
#undef WRITEBGR24
#define WRITEBGR24 WRITEBGR24MMX2
#else
#undef WRITEBGR24
#define WRITEBGR24 WRITEBGR24MMX
#endif
static inline void RENAME(yuv2yuvX)(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW,
int16_t * lumMmxFilter, int16_t * chrMmxFilter)
{
#ifdef HAVE_MMX
if(uDest != NULL)
{
asm volatile(
YSCALEYUV2YV12X(0)
:: "m" (-chrFilterSize), "r" (chrSrc+chrFilterSize),
"r" (chrMmxFilter+chrFilterSize*4), "r" (uDest), "m" (dstW>>1)
: "%eax", "%edx", "%esi"
);
asm volatile(
YSCALEYUV2YV12X(4096)
:: "m" (-chrFilterSize), "r" (chrSrc+chrFilterSize),
"r" (chrMmxFilter+chrFilterSize*4), "r" (vDest), "m" (dstW>>1)
: "%eax", "%edx", "%esi"
);
}
asm volatile(
YSCALEYUV2YV12X(0)
:: "m" (-lumFilterSize), "r" (lumSrc+lumFilterSize),
"r" (lumMmxFilter+lumFilterSize*4), "r" (dest), "m" (dstW)
: "%eax", "%edx", "%esi"
);
#else
yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, uDest, vDest, dstW);
#endif
}
static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW)
{
#ifdef HAVE_MMX
if(uDest != NULL)
{
asm volatile(
YSCALEYUV2YV121
:: "r" (chrSrc + (dstW>>1)), "r" (uDest + (dstW>>1)),
"g" (-(dstW>>1))
: "%eax"
);
asm volatile(
YSCALEYUV2YV121
:: "r" (chrSrc + 2048 + (dstW>>1)), "r" (vDest + (dstW>>1)),
"g" (-(dstW>>1))
: "%eax"
);
}
asm volatile(
YSCALEYUV2YV121
:: "r" (lumSrc + dstW), "r" (dest + dstW),
"g" (-dstW)
: "%eax"
);
#else
//FIXME Optimize (just quickly writen not opti..)
//FIXME replace MINMAX with LUTs
int i;
for(i=0; i<dstW; i++)
{
int val= lumSrc[i]>>7;
dest[i]= MIN(MAX(val>>19, 0), 255);
}
if(uDest != NULL)
for(i=0; i<(dstW>>1); i++)
{
int u=chrSrc[i]>>7;
int v=chrSrc[i + 2048]>>7;
uDest[i]= MIN(MAX(u>>19, 0), 255);
vDest[i]= MIN(MAX(v>>19, 0), 255);
}
#endif
}
/**
* vertical scale YV12 to RGB
*/
static inline void RENAME(yuv2rgbX)(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, int dstW, int dstbpp, int16_t * lumMmxFilter, int16_t * chrMmxFilter)
{
if(fullUVIpol)
{
//FIXME
}//FULL_UV_IPOL
else
{
#ifdef HAVE_MMX
if(dstbpp == 32) //FIXME untested
{
asm volatile(
YSCALEYUV2RGBX
WRITEBGR32
:: "m" (-lumFilterSize), "m" (-chrFilterSize),
"m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
"r" (dest), "m" (dstW),
"m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
: "%eax", "%ebx", "%ecx", "%edx", "%esi"
);
}
else if(dstbpp==24) //FIXME untested
{
asm volatile(
YSCALEYUV2RGBX
"leal (%%eax, %%eax, 2), %%ebx \n\t" //FIXME optimize
"addl %4, %%ebx \n\t"
WRITEBGR24
:: "m" (-lumFilterSize), "m" (-chrFilterSize),
"m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
"r" (dest), "m" (dstW),
"m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
: "%eax", "%ebx", "%ecx", "%edx", "%esi"
);
}
else if(dstbpp==15)
{
asm volatile(
YSCALEYUV2RGBX
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb b5Dither, %%mm2 \n\t"
"paddusb g5Dither, %%mm4 \n\t"
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR15
:: "m" (-lumFilterSize), "m" (-chrFilterSize),
"m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
"r" (dest), "m" (dstW),
"m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
: "%eax", "%ebx", "%ecx", "%edx", "%esi"
);
}
else if(dstbpp==16)
{
asm volatile(
YSCALEYUV2RGBX
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb b5Dither, %%mm2 \n\t"
"paddusb g6Dither, %%mm4 \n\t"
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR16
:: "m" (-lumFilterSize), "m" (-chrFilterSize),
"m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
"r" (dest), "m" (dstW),
"m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
: "%eax", "%ebx", "%ecx", "%edx", "%esi"
);
}
#else
yuv2rgbXinC(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, dstW, dstbpp);
#endif
} //!FULL_UV_IPOL
}
/**
* vertical bilinear scale YV12 to RGB
*/
static inline void RENAME(yuv2rgb2)(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
uint8_t *dest, int dstW, int yalpha, int uvalpha, int dstbpp)
{
int yalpha1=yalpha^4095;
int uvalpha1=uvalpha^4095;
if(fullUVIpol)
{
#ifdef HAVE_MMX
if(dstbpp == 32)
{
asm volatile(
FULL_YSCALEYUV2RGB
"punpcklbw %%mm1, %%mm3 \n\t" // BGBGBGBG
"punpcklbw %%mm7, %%mm0 \n\t" // R0R0R0R0
"movq %%mm3, %%mm1 \n\t"
"punpcklwd %%mm0, %%mm3 \n\t" // BGR0BGR0
"punpckhwd %%mm0, %%mm1 \n\t" // BGR0BGR0
MOVNTQ(%%mm3, (%4, %%eax, 4))
MOVNTQ(%%mm1, 8(%4, %%eax, 4))
"addl $4, %%eax \n\t"
"cmpl %5, %%eax \n\t"
" jb 1b \n\t"
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
else if(dstbpp==24)
{
asm volatile(
FULL_YSCALEYUV2RGB
// lsb ... msb
"punpcklbw %%mm1, %%mm3 \n\t" // BGBGBGBG
"punpcklbw %%mm7, %%mm0 \n\t" // R0R0R0R0
"movq %%mm3, %%mm1 \n\t"
"punpcklwd %%mm0, %%mm3 \n\t" // BGR0BGR0
"punpckhwd %%mm0, %%mm1 \n\t" // BGR0BGR0
"movq %%mm3, %%mm2 \n\t" // BGR0BGR0
"psrlq $8, %%mm3 \n\t" // GR0BGR00
"pand bm00000111, %%mm2 \n\t" // BGR00000
"pand bm11111000, %%mm3 \n\t" // 000BGR00
"por %%mm2, %%mm3 \n\t" // BGRBGR00
"movq %%mm1, %%mm2 \n\t"
"psllq $48, %%mm1 \n\t" // 000000BG
"por %%mm1, %%mm3 \n\t" // BGRBGRBG
"movq %%mm2, %%mm1 \n\t" // BGR0BGR0
"psrld $16, %%mm2 \n\t" // R000R000
"psrlq $24, %%mm1 \n\t" // 0BGR0000
"por %%mm2, %%mm1 \n\t" // RBGRR000
"movl %4, %%ebx \n\t"
"addl %%eax, %%ebx \n\t"
#ifdef HAVE_MMX2
//FIXME Alignment
"movntq %%mm3, (%%ebx, %%eax, 2)\n\t"
"movntq %%mm1, 8(%%ebx, %%eax, 2)\n\t"
#else
"movd %%mm3, (%%ebx, %%eax, 2) \n\t"
"psrlq $32, %%mm3 \n\t"
"movd %%mm3, 4(%%ebx, %%eax, 2) \n\t"
"movd %%mm1, 8(%%ebx, %%eax, 2) \n\t"
#endif
"addl $4, %%eax \n\t"
"cmpl %5, %%eax \n\t"
" jb 1b \n\t"
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax", "%ebx"
);
}
else if(dstbpp==15)
{
asm volatile(
FULL_YSCALEYUV2RGB
#ifdef DITHER1XBPP
"paddusb g5Dither, %%mm1 \n\t"
"paddusb r5Dither, %%mm0 \n\t"
"paddusb b5Dither, %%mm3 \n\t"
#endif
"punpcklbw %%mm7, %%mm1 \n\t" // 0G0G0G0G
"punpcklbw %%mm7, %%mm3 \n\t" // 0B0B0B0B
"punpcklbw %%mm7, %%mm0 \n\t" // 0R0R0R0R
"psrlw $3, %%mm3 \n\t"
"psllw $2, %%mm1 \n\t"
"psllw $7, %%mm0 \n\t"
"pand g15Mask, %%mm1 \n\t"
"pand r15Mask, %%mm0 \n\t"
"por %%mm3, %%mm1 \n\t"
"por %%mm1, %%mm0 \n\t"
MOVNTQ(%%mm0, (%4, %%eax, 2))
"addl $4, %%eax \n\t"
"cmpl %5, %%eax \n\t"
" jb 1b \n\t"
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
else if(dstbpp==16)
{
asm volatile(
FULL_YSCALEYUV2RGB
#ifdef DITHER1XBPP
"paddusb g6Dither, %%mm1 \n\t"
"paddusb r5Dither, %%mm0 \n\t"
"paddusb b5Dither, %%mm3 \n\t"
#endif
"punpcklbw %%mm7, %%mm1 \n\t" // 0G0G0G0G
"punpcklbw %%mm7, %%mm3 \n\t" // 0B0B0B0B
"punpcklbw %%mm7, %%mm0 \n\t" // 0R0R0R0R
"psrlw $3, %%mm3 \n\t"
"psllw $3, %%mm1 \n\t"
"psllw $8, %%mm0 \n\t"
"pand g16Mask, %%mm1 \n\t"
"pand r16Mask, %%mm0 \n\t"
"por %%mm3, %%mm1 \n\t"
"por %%mm1, %%mm0 \n\t"
MOVNTQ(%%mm0, (%4, %%eax, 2))
"addl $4, %%eax \n\t"
"cmpl %5, %%eax \n\t"
" jb 1b \n\t"
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
#else
if(dstbpp==32 || dstbpp==24)
{
int i;
for(i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
dest+=dstbpp>>3;
}
}
else if(dstbpp==16)
{
int i;
for(i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
((uint16_t*)dest)[i] =
clip_table16b[(Y + yuvtab_40cf[U]) >>13] |
clip_table16g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
clip_table16r[(Y + yuvtab_3343[V]) >>13];
}
}
else if(dstbpp==15)
{
int i;
for(i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
((uint16_t*)dest)[i] =
clip_table15b[(Y + yuvtab_40cf[U]) >>13] |
clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
clip_table15r[(Y + yuvtab_3343[V]) >>13];
}
}
#endif
}//FULL_UV_IPOL
else
{
#ifdef HAVE_MMX
if(dstbpp == 32)
{
asm volatile(
YSCALEYUV2RGB
WRITEBGR32
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
else if(dstbpp==24)
{
asm volatile(
"movl %4, %%ebx \n\t"
YSCALEYUV2RGB
WRITEBGR24
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax", "%ebx"
);
}
else if(dstbpp==15)
{
asm volatile(
YSCALEYUV2RGB
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb b5Dither, %%mm2 \n\t"
"paddusb g5Dither, %%mm4 \n\t"
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR15
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
else if(dstbpp==16)
{
asm volatile(
YSCALEYUV2RGB
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb b5Dither, %%mm2 \n\t"
"paddusb g6Dither, %%mm4 \n\t"
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR16
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
#else
if(dstbpp==32)
{
int i;
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int Y2=yuvtab_2568[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19)];
int U=((uvbuf0[i>>1]*uvalpha1+uvbuf1[i>>1]*uvalpha)>>19);
int V=((uvbuf0[(i>>1)+2048]*uvalpha1+uvbuf1[(i>>1)+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
dest[4*i+0]=clip_table[((Y1 + Cb) >>13)];
dest[4*i+1]=clip_table[((Y1 + Cg) >>13)];
dest[4*i+2]=clip_table[((Y1 + Cr) >>13)];
dest[4*i+4]=clip_table[((Y2 + Cb) >>13)];
dest[4*i+5]=clip_table[((Y2 + Cg) >>13)];
dest[4*i+6]=clip_table[((Y2 + Cr) >>13)];
}
}
else if(dstbpp==24)
{
int i;
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int Y2=yuvtab_2568[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19)];
int U=((uvbuf0[i>>1]*uvalpha1+uvbuf1[i>>1]*uvalpha)>>19);
int V=((uvbuf0[(i>>1)+2048]*uvalpha1+uvbuf1[(i>>1)+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
dest[0]=clip_table[((Y1 + Cb) >>13)];
dest[1]=clip_table[((Y1 + Cg) >>13)];
dest[2]=clip_table[((Y1 + Cr) >>13)];
dest[3]=clip_table[((Y2 + Cb) >>13)];
dest[4]=clip_table[((Y2 + Cg) >>13)];
dest[5]=clip_table[((Y2 + Cr) >>13)];
dest+=6;
}
}
else if(dstbpp==16)
{
int i;
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int Y2=yuvtab_2568[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19)];
int U=((uvbuf0[i>>1]*uvalpha1+uvbuf1[i>>1]*uvalpha)>>19);
int V=((uvbuf0[(i>>1)+2048]*uvalpha1+uvbuf1[(i>>1)+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
clip_table16b[(Y1 + Cb) >>13] |
clip_table16g[(Y1 + Cg) >>13] |
clip_table16r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
clip_table16b[(Y2 + Cb) >>13] |
clip_table16g[(Y2 + Cg) >>13] |
clip_table16r[(Y2 + Cr) >>13];
}
}
else if(dstbpp==15)
{
int i;
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int Y2=yuvtab_2568[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19)];
int U=((uvbuf0[i>>1]*uvalpha1+uvbuf1[i>>1]*uvalpha)>>19);
int V=((uvbuf0[(i>>1)+2048]*uvalpha1+uvbuf1[(i>>1)+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
clip_table15b[(Y1 + Cb) >>13] |
clip_table15g[(Y1 + Cg) >>13] |
clip_table15r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
clip_table15b[(Y2 + Cb) >>13] |
clip_table15g[(Y2 + Cg) >>13] |
clip_table15r[(Y2 + Cr) >>13];
}
}
#endif
} //!FULL_UV_IPOL
}
/**
* YV12 to RGB without scaling or interpolating
*/
static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,
uint8_t *dest, int dstW, int uvalpha, int dstbpp)
{
int uvalpha1=uvalpha^4095;
const int yalpha1=0;
if(fullUVIpol || allwaysIpol)
{
RENAME(yuv2rgb2)(buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, dstbpp);
return;
}
#ifdef HAVE_MMX
if( uvalpha < 2048 ) // note this is not correct (shifts chrominance by 0.5 pixels) but its a bit faster
{
if(dstbpp == 32)
{
asm volatile(
YSCALEYUV2RGB1
WRITEBGR32
:: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
else if(dstbpp==24)
{
asm volatile(
"movl %4, %%ebx \n\t"
YSCALEYUV2RGB1
WRITEBGR24
:: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax", "%ebx"
);
}
else if(dstbpp==15)
{
asm volatile(
YSCALEYUV2RGB1
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb b5Dither, %%mm2 \n\t"
"paddusb g5Dither, %%mm4 \n\t"
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR15
:: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
else if(dstbpp==16)
{
asm volatile(
YSCALEYUV2RGB1
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb b5Dither, %%mm2 \n\t"
"paddusb g6Dither, %%mm4 \n\t"
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR16
:: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
}
else
{
if(dstbpp == 32)
{
asm volatile(
YSCALEYUV2RGB1b
WRITEBGR32
:: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
else if(dstbpp==24)
{
asm volatile(
"movl %4, %%ebx \n\t"
YSCALEYUV2RGB1b
WRITEBGR24
:: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax", "%ebx"
);
}
else if(dstbpp==15)
{
asm volatile(
YSCALEYUV2RGB1b
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb b5Dither, %%mm2 \n\t"
"paddusb g5Dither, %%mm4 \n\t"
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR15
:: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
else if(dstbpp==16)
{
asm volatile(
YSCALEYUV2RGB1b
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb b5Dither, %%mm2 \n\t"
"paddusb g6Dither, %%mm4 \n\t"
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR16
:: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
}
}
#else
//FIXME write 2 versions (for even & odd lines)
if(dstbpp==32)
{
int i;
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i>>1]*uvalpha1+uvbuf1[i>>1]*uvalpha)>>19);
int V=((uvbuf0[(i>>1)+2048]*uvalpha1+uvbuf1[(i>>1)+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
dest[4*i+0]=clip_table[((Y1 + Cb) >>13)];
dest[4*i+1]=clip_table[((Y1 + Cg) >>13)];
dest[4*i+2]=clip_table[((Y1 + Cr) >>13)];
dest[4*i+4]=clip_table[((Y2 + Cb) >>13)];
dest[4*i+5]=clip_table[((Y2 + Cg) >>13)];
dest[4*i+6]=clip_table[((Y2 + Cr) >>13)];
}
}
else if(dstbpp==24)
{
int i;
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i>>1]*uvalpha1+uvbuf1[i>>1]*uvalpha)>>19);
int V=((uvbuf0[(i>>1)+2048]*uvalpha1+uvbuf1[(i>>1)+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
dest[0]=clip_table[((Y1 + Cb) >>13)];
dest[1]=clip_table[((Y1 + Cg) >>13)];
dest[2]=clip_table[((Y1 + Cr) >>13)];
dest[3]=clip_table[((Y2 + Cb) >>13)];
dest[4]=clip_table[((Y2 + Cg) >>13)];
dest[5]=clip_table[((Y2 + Cr) >>13)];
dest+=6;
}
}
else if(dstbpp==16)
{
int i;
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i>>1]*uvalpha1+uvbuf1[i>>1]*uvalpha)>>19);
int V=((uvbuf0[(i>>1)+2048]*uvalpha1+uvbuf1[(i>>1)+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
clip_table16b[(Y1 + Cb) >>13] |
clip_table16g[(Y1 + Cg) >>13] |
clip_table16r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
clip_table16b[(Y2 + Cb) >>13] |
clip_table16g[(Y2 + Cg) >>13] |
clip_table16r[(Y2 + Cr) >>13];
}
}
else if(dstbpp==15)
{
int i;
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i>>1]*uvalpha1+uvbuf1[i>>1]*uvalpha)>>19);
int V=((uvbuf0[(i>>1)+2048]*uvalpha1+uvbuf1[(i>>1)+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
clip_table15b[(Y1 + Cb) >>13] |
clip_table15g[(Y1 + Cg) >>13] |
clip_table15r[(Y1 + Cr) >>13];
((uint16_t*)dest)[i+1] =
clip_table15b[(Y2 + Cb) >>13] |
clip_table15g[(Y2 + Cg) >>13] |
clip_table15r[(Y2 + Cr) >>13];
}
}
#endif
}
// Bilinear / Bicubic scaling
static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,
int16_t *filter, int16_t *filterPos, int filterSize)
{
#ifdef HAVE_MMX
if(filterSize==4) // allways true for upscaling, sometimes for down too
{
int counter= -2*dstW;
filter-= counter*2;
filterPos-= counter/2;
dst-= counter/2;
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"movq w02, %%mm6 \n\t"
"pushl %%ebp \n\t" // we use 7 regs here ...
"movl %%eax, %%ebp \n\t"
".balign 16 \n\t"
"1: \n\t"
"movzwl (%2, %%ebp), %%eax \n\t"
"movzwl 2(%2, %%ebp), %%ebx \n\t"
"movq (%1, %%ebp, 4), %%mm1 \n\t"
"movq 8(%1, %%ebp, 4), %%mm3 \n\t"
"movd (%3, %%eax), %%mm0 \n\t"
"movd (%3, %%ebx), %%mm2 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"pmaddwd %%mm1, %%mm0 \n\t"
"pmaddwd %%mm2, %%mm3 \n\t"
"psrad $8, %%mm0 \n\t"
"psrad $8, %%mm3 \n\t"
"packssdw %%mm3, %%mm0 \n\t"
"pmaddwd %%mm6, %%mm0 \n\t"
"packssdw %%mm0, %%mm0 \n\t"
"movd %%mm0, (%4, %%ebp) \n\t"
"addl $4, %%ebp \n\t"
" jnc 1b \n\t"
"popl %%ebp \n\t"
: "+a" (counter)
: "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
: "%ebx"
);
}
else if(filterSize==8)
{
int counter= -2*dstW;
filter-= counter*4;
filterPos-= counter/2;
dst-= counter/2;
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"movq w02, %%mm6 \n\t"
"pushl %%ebp \n\t" // we use 7 regs here ...
"movl %%eax, %%ebp \n\t"
".balign 16 \n\t"
"1: \n\t"
"movzwl (%2, %%ebp), %%eax \n\t"
"movzwl 2(%2, %%ebp), %%ebx \n\t"
"movq (%1, %%ebp, 8), %%mm1 \n\t"
"movq 16(%1, %%ebp, 8), %%mm3 \n\t"
"movd (%3, %%eax), %%mm0 \n\t"
"movd (%3, %%ebx), %%mm2 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"pmaddwd %%mm1, %%mm0 \n\t"
"pmaddwd %%mm2, %%mm3 \n\t"
"movq 8(%1, %%ebp, 8), %%mm1 \n\t"
"movq 24(%1, %%ebp, 8), %%mm5 \n\t"
"movd 4(%3, %%eax), %%mm4 \n\t"
"movd 4(%3, %%ebx), %%mm2 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"pmaddwd %%mm1, %%mm4 \n\t"
"pmaddwd %%mm2, %%mm5 \n\t"
"paddd %%mm4, %%mm0 \n\t"
"paddd %%mm5, %%mm3 \n\t"
"psrad $8, %%mm0 \n\t"
"psrad $8, %%mm3 \n\t"
"packssdw %%mm3, %%mm0 \n\t"
"pmaddwd %%mm6, %%mm0 \n\t"
"packssdw %%mm0, %%mm0 \n\t"
"movd %%mm0, (%4, %%ebp) \n\t"
"addl $4, %%ebp \n\t"
" jnc 1b \n\t"
"popl %%ebp \n\t"
: "+a" (counter)
: "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
: "%ebx"
);
}
else
{
int counter= -2*dstW;
// filter-= counter*filterSize/2;
filterPos-= counter/2;
dst-= counter/2;
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"movq w02, %%mm6 \n\t"
".balign 16 \n\t"
"1: \n\t"
"movl %2, %%ecx \n\t"
"movzwl (%%ecx, %0), %%eax \n\t"
"movzwl 2(%%ecx, %0), %%ebx \n\t"
"movl %5, %%ecx \n\t"
"pxor %%mm4, %%mm4 \n\t"
"pxor %%mm5, %%mm5 \n\t"
"2: \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%1, %6), %%mm3 \n\t"
"movd (%%ecx, %%eax), %%mm0 \n\t"
"movd (%%ecx, %%ebx), %%mm2 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"pmaddwd %%mm1, %%mm0 \n\t"
"pmaddwd %%mm2, %%mm3 \n\t"
"paddd %%mm3, %%mm5 \n\t"
"paddd %%mm0, %%mm4 \n\t"
"addl $8, %1 \n\t"
"addl $4, %%ecx \n\t"
"cmpl %4, %%ecx \n\t"
" jb 2b \n\t"
"addl %6, %1 \n\t"
"psrad $8, %%mm4 \n\t"
"psrad $8, %%mm5 \n\t"
"packssdw %%mm5, %%mm4 \n\t"
"pmaddwd %%mm6, %%mm4 \n\t"
"packssdw %%mm4, %%mm4 \n\t"
"movl %3, %%eax \n\t"
"movd %%mm4, (%%eax, %0) \n\t"
"addl $4, %0 \n\t"
" jnc 1b \n\t"
: "+r" (counter), "+r" (filter)
: "m" (filterPos), "m" (dst), "m"(src+filterSize),
"m" (src), "r" (filterSize*2)
: "%ebx", "%eax", "%ecx"
);
}
#else
int i;
for(i=0; i<dstW; i++)
{
int j;
int srcPos= filterPos[i];
int val=0;
// printf("filterPos: %d\n", filterPos[i]);
for(j=0; j<filterSize; j++)
{
// printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);
val += ((int)src[srcPos + j])*filter[filterSize*i + j];
}
// filter += hFilterSize;
dst[i] = MIN(MAX(0, val>>7), (1<<15)-1); // the cubic equation does overflow ...
// dst[i] = val>>7;
}
#endif
}
// *** horizontal scale Y line to temp buffer
static inline void RENAME(hyscale)(uint16_t *dst, int dstWidth, uint8_t *src, int srcW, int xInc)
{
#ifdef HAVE_MMX
// use the new MMX scaler if th mmx2 cant be used (its faster than the x86asm one)
if(sws_flags != SWS_FAST_BILINEAR || (!canMMX2BeUsed))
#else
if(sws_flags != SWS_FAST_BILINEAR)
#endif
{
RENAME(hScale)(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
}
else // Fast Bilinear upscale / crap downscale
{
#ifdef ARCH_X86
#ifdef HAVE_MMX2
int i;
if(canMMX2BeUsed)
{
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
"movd %5, %%mm6 \n\t" // xInc&0xFFFF
"punpcklwd %%mm6, %%mm6 \n\t"
"punpcklwd %%mm6, %%mm6 \n\t"
"movq %%mm6, %%mm2 \n\t"
"psllq $16, %%mm2 \n\t"
"paddw %%mm6, %%mm2 \n\t"
"psllq $16, %%mm2 \n\t"
"paddw %%mm6, %%mm2 \n\t"
"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=xInc&0xFF
"movq %%mm2, temp0 \n\t"
"movd %4, %%mm6 \n\t" //(xInc*4)&0xFFFF
"punpcklwd %%mm6, %%mm6 \n\t"
"punpcklwd %%mm6, %%mm6 \n\t"
"xorl %%eax, %%eax \n\t" // i
"movl %0, %%esi \n\t" // src
"movl %1, %%edi \n\t" // buf1
"movl %3, %%edx \n\t" // (xInc*4)>>16
"xorl %%ecx, %%ecx \n\t"
"xorl %%ebx, %%ebx \n\t"
"movw %4, %%bx \n\t" // (xInc*4)&0xFFFF
#define FUNNY_Y_CODE \
PREFETCH" 1024(%%esi) \n\t"\
PREFETCH" 1056(%%esi) \n\t"\
PREFETCH" 1088(%%esi) \n\t"\
"call funnyYCode \n\t"\
"movq temp0, %%mm2 \n\t"\
"xorl %%ecx, %%ecx \n\t"
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
:: "m" (src), "m" (dst), "m" (dstWidth), "m" ((xInc*4)>>16),
"m" ((xInc*4)&0xFFFF), "m" (xInc&0xFFFF)
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
);
for(i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
}
else
{
#endif
//NO MMX just normal asm ...
asm volatile(
"xorl %%eax, %%eax \n\t" // i
"xorl %%ebx, %%ebx \n\t" // xx
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
".balign 16 \n\t"
"1: \n\t"
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"movl %1, %%edi \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, (%%edi, %%eax, 2) \n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
"movzbl (%0, %%ebx), %%edi \n\t" //src[xx]
"movzbl 1(%0, %%ebx), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"movl %1, %%edi \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, 2(%%edi, %%eax, 2) \n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
"addl $2, %%eax \n\t"
"cmpl %2, %%eax \n\t"
" jb 1b \n\t"
:: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc>>16), "m" (xInc&0xFFFF)
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
);
#ifdef HAVE_MMX2
} //if MMX2 cant be used
#endif
#else
int i;
unsigned int xpos=0;
for(i=0;i<dstWidth;i++)
{
register unsigned int xx=xpos>>16;
register unsigned int xalpha=(xpos&0xFFFF)>>9;
dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
xpos+=xInc;
}
#endif
}
}
inline static void RENAME(hcscale)(uint16_t *dst, int dstWidth,
uint8_t *src1, uint8_t *src2, int srcW, int xInc)
{
#ifdef HAVE_MMX
// use the new MMX scaler if th mmx2 cant be used (its faster than the x86asm one)
if(sws_flags != SWS_FAST_BILINEAR || (!canMMX2BeUsed))
#else
if(sws_flags != SWS_FAST_BILINEAR)
#endif
{
RENAME(hScale)(dst , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
RENAME(hScale)(dst+2048, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
}
else // Fast Bilinear upscale / crap downscale
{
#ifdef ARCH_X86
#ifdef HAVE_MMX2
int i;
if(canMMX2BeUsed)
{
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"pxor %%mm2, %%mm2 \n\t" // 2*xalpha
"movd %5, %%mm6 \n\t" // xInc&0xFFFF
"punpcklwd %%mm6, %%mm6 \n\t"
"punpcklwd %%mm6, %%mm6 \n\t"
"movq %%mm6, %%mm2 \n\t"
"psllq $16, %%mm2 \n\t"
"paddw %%mm6, %%mm2 \n\t"
"psllq $16, %%mm2 \n\t"
"paddw %%mm6, %%mm2 \n\t"
"psllq $16, %%mm2 \n\t" //0,t,2t,3t t=xInc&0xFFFF
"movq %%mm2, temp0 \n\t"
"movd %4, %%mm6 \n\t" //(xInc*4)&0xFFFF
"punpcklwd %%mm6, %%mm6 \n\t"
"punpcklwd %%mm6, %%mm6 \n\t"
"xorl %%eax, %%eax \n\t" // i
"movl %0, %%esi \n\t" // src
"movl %1, %%edi \n\t" // buf1
"movl %3, %%edx \n\t" // (xInc*4)>>16
"xorl %%ecx, %%ecx \n\t"
"xorl %%ebx, %%ebx \n\t"
"movw %4, %%bx \n\t" // (xInc*4)&0xFFFF
#define FUNNYUVCODE \
PREFETCH" 1024(%%esi) \n\t"\
PREFETCH" 1056(%%esi) \n\t"\
PREFETCH" 1088(%%esi) \n\t"\
"call funnyUVCode \n\t"\
"movq temp0, %%mm2 \n\t"\
"xorl %%ecx, %%ecx \n\t"
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
"xorl %%eax, %%eax \n\t" // i
"movl %6, %%esi \n\t" // src
"movl %1, %%edi \n\t" // buf1
"addl $4096, %%edi \n\t"
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
FUNNYUVCODE
:: "m" (src1), "m" (dst), "m" (dstWidth), "m" ((xInc*4)>>16),
"m" ((xInc*4)&0xFFFF), "m" (xInc&0xFFFF), "m" (src2)
: "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
);
for(i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
{
// printf("%d %d %d\n", dstWidth, i, srcW);
dst[i] = src1[srcW-1]*128;
dst[i+2048] = src2[srcW-1]*128;
}
}
else
{
#endif
asm volatile(
"xorl %%eax, %%eax \n\t" // i
"xorl %%ebx, %%ebx \n\t" // xx
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
".balign 16 \n\t"
"1: \n\t"
"movl %0, %%esi \n\t"
"movzbl (%%esi, %%ebx), %%edi \n\t" //src[xx]
"movzbl 1(%%esi, %%ebx), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"movl %1, %%edi \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, (%%edi, %%eax, 2) \n\t"
"movzbl (%5, %%ebx), %%edi \n\t" //src[xx]
"movzbl 1(%5, %%ebx), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"movl %1, %%edi \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, 4096(%%edi, %%eax, 2)\n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adcl %3, %%ebx \n\t" //xx+= xInc>>8 + carry
"addl $1, %%eax \n\t"
"cmpl %2, %%eax \n\t"
" jb 1b \n\t"
:: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc>>16), "m" (xInc&0xFFFF),
"r" (src2)
: "%eax", "%ebx", "%ecx", "%edi", "%esi"
);
#ifdef HAVE_MMX2
} //if MMX2 cant be used
#endif
#else
int i;
unsigned int xpos=0;
for(i=0;i<dstWidth;i++)
{
register unsigned int xx=xpos>>16;
register unsigned int xalpha=(xpos&0xFFFF)>>9;
dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
dst[i+2048]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
/* slower
dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
dst[i+2048]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
*/
xpos+=xInc;
}
#endif
}
}
static inline void RENAME(initFilter)(int16_t *dstFilter, int16_t *filterPos, int *filterSize, int xInc,
int srcW, int dstW, int filterAlign, int one)
{
int i;
double filter[8000];
#ifdef HAVE_MMX
asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions)
#endif
if(ABS(xInc - 0x10000) <10) // unscaled
{
int i;
*filterSize= (1 +(filterAlign-1)) & (~(filterAlign-1)); // 1 or 4 normaly
for(i=0; i<dstW*(*filterSize); i++) filter[i]=0;
for(i=0; i<dstW; i++)
{
filter[i*(*filterSize)]=1;
filterPos[i]=i;
}
}
else if(xInc <= (1<<16) || sws_flags==SWS_FAST_BILINEAR) // upscale
{
int i;
int xDstInSrc;
if(sws_flags==SWS_BICUBIC) *filterSize= 4;
else *filterSize= 2;
// printf("%d %d %d\n", filterSize, srcW, dstW);
*filterSize= (*filterSize +(filterAlign-1)) & (~(filterAlign-1));
xDstInSrc= xInc/2 - 0x8000;
for(i=0; i<dstW; i++)
{
int xx= (xDstInSrc>>16) - (*filterSize>>1) + 1;
int j;
filterPos[i]= xx;
if(sws_flags == SWS_BICUBIC)
{
double d= ABS(((xx+1)<<16) - xDstInSrc)/(double)(1<<16);
double y1,y2,y3,y4;
double A= -0.75;
// Equation is from VirtualDub
y1 = ( + A*d - 2.0*A*d*d + A*d*d*d);
y2 = (+ 1.0 - (A+3.0)*d*d + (A+2.0)*d*d*d);
y3 = ( - A*d + (2.0*A+3.0)*d*d - (A+2.0)*d*d*d);
y4 = ( + A*d*d - A*d*d*d);
// printf("%d %d %d \n", coeff, (int)d, xDstInSrc);
filter[i*(*filterSize) + 0]= y1;
filter[i*(*filterSize) + 1]= y2;
filter[i*(*filterSize) + 2]= y3;
filter[i*(*filterSize) + 3]= y4;
// printf("%1.3f %d, %d, %d, %d\n",d , y1, y2, y3, y4);
}
else
{
for(j=0; j<*filterSize; j++)
{
double d= ABS((xx<<16) - xDstInSrc)/(double)(1<<16);
double coeff= 1.0 - d;
if(coeff<0) coeff=0;
// printf("%d %d %d \n", coeff, (int)d, xDstInSrc);
filter[i*(*filterSize) + j]= coeff;
xx++;
}
}
xDstInSrc+= xInc;
}
}
else // downscale
{
int xDstInSrc;
if(sws_flags==SWS_BICUBIC) *filterSize= (int)ceil(1 + 4.0*srcW / (double)dstW);
else *filterSize= (int)ceil(1 + 2.0*srcW / (double)dstW);
// printf("%d %d %d\n", *filterSize, srcW, dstW);
*filterSize= (*filterSize +(filterAlign-1)) & (~(filterAlign-1));
xDstInSrc= xInc/2 - 0x8000;
for(i=0; i<dstW; i++)
{
int xx= (int)((double)xDstInSrc/(double)(1<<16) - ((*filterSize)-1)*0.5 + 0.5);
int j;
filterPos[i]= xx;
for(j=0; j<*filterSize; j++)
{
double d= ABS((xx<<16) - xDstInSrc)/(double)xInc;
double coeff;
if(sws_flags == SWS_BICUBIC)
{
double A= -0.75;
// d*=2;
// Equation is from VirtualDub
if(d<1.0)
coeff = (1.0 - (A+3.0)*d*d + (A+2.0)*d*d*d);
else if(d<2.0)
coeff = (-4.0*A + 8.0*A*d - 5.0*A*d*d + A*d*d*d);
else
coeff=0.0;
}
else
{
coeff= 1.0 - d;
if(coeff<0) coeff=0;
}
// if(filterAlign==1) printf("%d %d %d \n", coeff, (int)d, xDstInSrc);
filter[i*(*filterSize) + j]= coeff;
xx++;
}
xDstInSrc+= xInc;
}
}
//fix borders
for(i=0; i<dstW; i++)
{
int j;
if(filterPos[i] < 0)
{
// Move filter coeffs left to compensate for filterPos
for(j=1; j<*filterSize; j++)
{
int left= MAX(j + filterPos[i], 0);
filter[i*(*filterSize) + left] += filter[i*(*filterSize) + j];
filter[i*(*filterSize) + j]=0;
}
filterPos[i]= 0;
}
if(filterPos[i] + (*filterSize) > srcW)
{
int shift= filterPos[i] + (*filterSize) - srcW;
// Move filter coeffs right to compensate for filterPos
for(j=(*filterSize)-2; j>=0; j--)
{
int right= MIN(j + shift, (*filterSize)-1);
filter[i*(*filterSize) +right] += filter[i*(*filterSize) +j];
filter[i*(*filterSize) +j]=0;
}
filterPos[i]= srcW - (*filterSize);
}
}
//FIXME try to align filterpos if possible / try to shift filterpos to put zeros at the end
// and skip these than later
//Normalize
for(i=0; i<dstW; i++)
{
int j;
double sum=0;
double scale= one;
for(j=0; j<*filterSize; j++)
{
sum+= filter[i*(*filterSize) + j];
}
scale/= sum;
for(j=0; j<*filterSize; j++)
{
dstFilter[i*(*filterSize) + j]= (int)(filter[i*(*filterSize) + j]*scale);
}
}
}
#ifdef HAVE_MMX2
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode)
{
uint8_t *fragment;
int imm8OfPShufW1;
int imm8OfPShufW2;
int fragmentLength;
int xpos, i;
// create an optimized horizontal scaling routine
//code fragment
asm volatile(
"jmp 9f \n\t"
// Begin
"0: \n\t"
"movq (%%esi), %%mm0 \n\t" //FIXME Alignment
"movq %%mm0, %%mm1 \n\t"
"psrlq $8, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"addw %%bx, %%cx \n\t" //2*xalpha += (4*lumXInc)&0xFFFF
"pshufw $0xFF, %%mm1, %%mm1 \n\t"
"1: \n\t"
"adcl %%edx, %%esi \n\t" //xx+= (4*lumXInc)>>16 + carry
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
"2: \n\t"
"psrlw $9, %%mm3 \n\t"
"psubw %%mm1, %%mm0 \n\t"
"pmullw %%mm3, %%mm0 \n\t"
"paddw %%mm6, %%mm2 \n\t" // 2*alpha += xpos&0xFFFF
"psllw $7, %%mm1 \n\t"
"paddw %%mm1, %%mm0 \n\t"
"movq %%mm0, (%%edi, %%eax) \n\t"
"addl $8, %%eax \n\t"
// End
"9: \n\t"
// "int $3\n\t"
"leal 0b, %0 \n\t"
"leal 1b, %1 \n\t"
"leal 2b, %2 \n\t"
"decl %1 \n\t"
"decl %2 \n\t"
"subl %0, %1 \n\t"
"subl %0, %2 \n\t"
"leal 9b, %3 \n\t"
"subl %0, %3 \n\t"
:"=r" (fragment), "=r" (imm8OfPShufW1), "=r" (imm8OfPShufW2),
"=r" (fragmentLength)
);
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers
for(i=0; i<dstW/8; i++)
{
int xx=xpos>>16;
if((i&3) == 0)
{
int a=0;
int b=((xpos+xInc)>>16) - xx;
int c=((xpos+xInc*2)>>16) - xx;
int d=((xpos+xInc*3)>>16) - xx;
memcpy(funnyCode + fragmentLength*i/4, fragment, fragmentLength);
funnyCode[fragmentLength*i/4 + imm8OfPShufW1]=
funnyCode[fragmentLength*i/4 + imm8OfPShufW2]=
a | (b<<2) | (c<<4) | (d<<6);
// if we dont need to read 8 bytes than dont :), reduces the chance of
// crossing a cache line
if(d<3) funnyCode[fragmentLength*i/4 + 1]= 0x6E;
funnyCode[fragmentLength*(i+4)/4]= RET;
}
xpos+=xInc;
}
/*
xpos= 0; //chrXInc/2 - 0x10000; // difference between centers of chrom samples
for(i=0; i<dstUVw/8; i++)
{
int xx=xpos>>16;
if((i&3) == 0)
{
int a=0;
int b=((xpos+chrXInc)>>16) - xx;
int c=((xpos+chrXInc*2)>>16) - xx;
int d=((xpos+chrXInc*3)>>16) - xx;
memcpy(funnyUVCode + fragmentLength*i/4, fragment, fragmentLength);
funnyUVCode[fragmentLength*i/4 + imm8OfPShufW1]=
funnyUVCode[fragmentLength*i/4 + imm8OfPShufW2]=
a | (b<<2) | (c<<4) | (d<<6);
// if we dont need to read 8 bytes than dont :), reduces the chance of
// crossing a cache line
if(d<3) funnyUVCode[fragmentLength*i/4 + 1]= 0x6E;
funnyUVCode[fragmentLength*(i+4)/4]= RET;
}
xpos+=chrXInc;
}
*/
// funnyCode[0]= RET;
}
#endif // HAVE_MMX2
static void RENAME(SwScale_YV12slice)(unsigned char* srcptr[],int stride[], int srcSliceY ,
int srcSliceH, uint8_t* dstptr[], int dststride, int dstbpp,
int srcW, int srcH, int dstW, int dstH){
unsigned int lumXInc= (srcW << 16) / dstW;
unsigned int lumYInc= (srcH << 16) / dstH;
unsigned int chrXInc;
unsigned int chrYInc;
static int dstY;
// used to detect a size change
static int oldDstW= -1;
static int oldSrcW= -1;
static int oldDstH= -1;
static int oldSrcH= -1;
static int oldFlags=-1;
static int lastInLumBuf;
static int lastInChrBuf;
int chrDstW, chrDstH;
static int lumBufIndex=0;
static int chrBufIndex=0;
static int firstTime=1;
const int widthAlign= dstbpp==12 ? 16 : 8;
const int bytespp= (dstbpp+1)/8; //(12->1, 15&16->2, 24->3, 32->4)
const int over= dstbpp==12 ? (((dstW+15)&(~15))) - dststride
: (((dstW+7)&(~7)))*bytespp - dststride;
if(dststride%widthAlign !=0 )
{
if(firstTime)
fprintf(stderr, "SwScaler: Warning: dstStride is not a multiple of %d!\n"
"SwScaler: ->cannot do aligned memory acesses anymore\n",
widthAlign);
}
if(over>0 && verbose)
{
if(firstTime)
fprintf(stderr, "SwScaler: Warning: output width is not a multiple of 8 (16 for YV12)\n"
"SwScaler: and dststride is not large enough to handle %d extra bytes\n"
"SwScaler: ->using unoptimized C version for last line(s)\n",
over);
}
//printf("%d %d %d %d\n", srcW, srcH, dstW, dstH);
//printf("%d %d %d %d\n", lumXInc, lumYInc, srcSliceY, srcSliceH);
#ifdef HAVE_MMX2
canMMX2BeUsed= (lumXInc <= 0x10000 && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
if(!canMMX2BeUsed && lumXInc <= 0x10000 && (srcW&15)==0 && sws_flags==SWS_FAST_BILINEAR)
{
if(firstTime)
fprintf(stderr, "SwScaler: output Width is not a multiple of 32 -> no MMX2 scaler\n");
}
#else
canMMX2BeUsed=0; // should be 0 anyway but ...
#endif
if(firstTime)
{
#if defined (DITHER1XBPP) && defined (HAVE_MMX)
char *dither= " dithered";
#else
char *dither= "";
#endif
if(sws_flags==SWS_FAST_BILINEAR)
fprintf(stderr, "\nSwScaler: FAST_BILINEAR scaler ");
else if(sws_flags==SWS_BILINEAR)
fprintf(stderr, "\nSwScaler: BILINEAR scaler ");
else if(sws_flags==SWS_BICUBIC)
fprintf(stderr, "\nSwScaler: BICUBIC scaler ");
else
fprintf(stderr, "\nSwScaler: ehh flags invalid?! ");
if(dstbpp==15)
fprintf(stderr, "with%s BGR15 output ", dither);
else if(dstbpp==16)
fprintf(stderr, "with%s BGR16 output ", dither);
else if(dstbpp==24)
fprintf(stderr, "with BGR24 output ");
else if(dstbpp==32)
fprintf(stderr, "with BGR32 output ");
else if(dstbpp==12)
fprintf(stderr, "with YV12 output ");
else
fprintf(stderr, "without output ");
#ifdef HAVE_MMX2
fprintf(stderr, "using MMX2\n");
#elif defined (HAVE_3DNOW)
fprintf(stderr, "using 3DNOW\n");
#elif defined (HAVE_MMX)
fprintf(stderr, "using MMX\n");
#elif defined (ARCH_X86)
fprintf(stderr, "using X86 ASM\n");
#else
fprintf(stderr, "using C\n");
#endif
}
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
// n-2 is the last chrominance sample available
// this is not perfect, but noone shuld notice the difference, the more correct variant
// would be like the vertical one, but that would require some special code for the
// first and last pixel
if(sws_flags==SWS_FAST_BILINEAR)
{
if(canMMX2BeUsed) lumXInc+= 20;
#ifndef HAVE_MMX //we dont use the x86asm scaler if mmx is available
else lumXInc = ((srcW-2)<<16)/(dstW-2) - 20;
#endif
}
if(fullUVIpol && !(dstbpp==12)) chrXInc= lumXInc>>1, chrDstW= dstW;
else chrXInc= lumXInc, chrDstW= (dstW+1)>>1;
if(dstbpp==12) chrYInc= lumYInc, chrDstH= (dstH+1)>>1;
else chrYInc= lumYInc>>1, chrDstH= dstH;
// force calculation of the horizontal interpolation of the first line
if(srcSliceY ==0){
// printf("dstW %d, srcw %d, mmx2 %d\n", dstW, srcW, canMMX2BeUsed);
lumBufIndex=0;
chrBufIndex=0;
dstY=0;
//precalculate horizontal scaler filter coefficients
if(oldDstW!=dstW || oldSrcW!=srcW || oldFlags!=sws_flags)
{
#ifdef HAVE_MMX
const int filterAlign=4;
#else
const int filterAlign=1;
#endif
oldDstW= dstW; oldSrcW= srcW; oldFlags= sws_flags;
RENAME(initFilter)(hLumFilter, hLumFilterPos, &hLumFilterSize, lumXInc,
srcW , dstW , filterAlign, 1<<14);
RENAME(initFilter)(hChrFilter, hChrFilterPos, &hChrFilterSize, chrXInc,
(srcW+1)>>1, chrDstW, filterAlign, 1<<14);
#ifdef HAVE_MMX2
// cant downscale !!!
if(canMMX2BeUsed && sws_flags == SWS_FAST_BILINEAR)
{
initMMX2HScaler(dstW , lumXInc, funnyYCode);
initMMX2HScaler(chrDstW, chrXInc, funnyUVCode);
}
#endif
} // Init Horizontal stuff
if(oldDstH!=dstH || oldSrcH!=srcH || oldFlags!=sws_flags)
{
int i;
oldDstH= dstH; oldSrcH= srcH; oldFlags= sws_flags; //FIXME swsflags conflict with x check
// deallocate pixbufs
for(i=0; i<vLumBufSize; i++) free(lumPixBuf[i]);
for(i=0; i<vChrBufSize; i++) free(chrPixBuf[i]);
RENAME(initFilter)(vLumFilter, vLumFilterPos, &vLumFilterSize, lumYInc,
srcH , dstH, 1, (1<<12)-4);
RENAME(initFilter)(vChrFilter, vChrFilterPos, &vChrFilterSize, chrYInc,
(srcH+1)>>1, chrDstH, 1, (1<<12)-4);
// Calculate Buffer Sizes so that they wont run out while handling these damn slices
vLumBufSize= vLumFilterSize; vChrBufSize= vChrFilterSize;
for(i=0; i<dstH; i++)
{
int chrI= i*chrDstH / dstH;
int nextSlice= MAX(vLumFilterPos[i ] + vLumFilterSize - 1,
((vChrFilterPos[chrI] + vChrFilterSize - 1)<<1));
nextSlice&= ~1; // Slices start at even boundaries
if(vLumFilterPos[i ] + vLumBufSize < nextSlice)
vLumBufSize= nextSlice - vLumFilterPos[i ];
if(vChrFilterPos[chrI] + vChrBufSize < (nextSlice>>1))
vChrBufSize= (nextSlice>>1) - vChrFilterPos[chrI];
}
// allocate pixbufs (we use dynamic allocation because otherwise we would need to
// allocate several megabytes to handle all possible cases)
for(i=0; i<vLumBufSize; i++)
lumPixBuf[i]= lumPixBuf[i+vLumBufSize]= (uint16_t*)memalign(8, 4000);
for(i=0; i<vChrBufSize; i++)
chrPixBuf[i]= chrPixBuf[i+vChrBufSize]= (uint16_t*)memalign(8, 8000);
//try to avoid drawing green stuff between the right end and the stride end
for(i=0; i<vLumBufSize; i++) memset(lumPixBuf[i], 0, 4000);
for(i=0; i<vChrBufSize; i++) memset(chrPixBuf[i], 64, 8000);
ASSERT(chrDstH<=dstH)
ASSERT(vLumFilterSize*dstH*4<16000)
ASSERT(vChrFilterSize*chrDstH*4<16000)
#ifdef HAVE_MMX
// pack filter data for mmx code
for(i=0; i<vLumFilterSize*dstH; i++)
lumMmxFilter[4*i]=lumMmxFilter[4*i+1]=lumMmxFilter[4*i+2]=lumMmxFilter[4*i+3]=
vLumFilter[i];
for(i=0; i<vChrFilterSize*chrDstH; i++)
chrMmxFilter[4*i]=chrMmxFilter[4*i+1]=chrMmxFilter[4*i+2]=chrMmxFilter[4*i+3]=
vChrFilter[i];
#endif
}
if(firstTime && verbose)
{
#ifdef HAVE_MMX2
int mmx2=1;
#else
int mmx2=0;
#endif
#ifdef HAVE_MMX
int mmx=1;
#else
int mmx=0;
#endif
#ifdef HAVE_MMX
if(canMMX2BeUsed && sws_flags==SWS_FAST_BILINEAR)
printf("SwScaler: using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
else
{
if(hLumFilterSize==4)
printf("SwScaler: using 4-tap MMX scaler for horizontal luminance scaling\n");
else if(hLumFilterSize==8)
printf("SwScaler: using 8-tap MMX scaler for horizontal luminance scaling\n");
else
printf("SwScaler: using n-tap MMX scaler for horizontal luminance scaling\n");
if(hChrFilterSize==4)
printf("SwScaler: using 4-tap MMX scaler for horizontal chrominance scaling\n");
else if(hChrFilterSize==8)
printf("SwScaler: using 8-tap MMX scaler for horizontal chrominance scaling\n");
else
printf("SwScaler: using n-tap MMX scaler for horizontal chrominance scaling\n");
}
#elif defined (ARCH_X86)
printf("SwScaler: using X86-Asm scaler for horizontal scaling\n");
#else
if(sws_flags==SWS_FAST_BILINEAR)
printf("SwScaler: using FAST_BILINEAR C scaler for horizontal scaling\n");
else
printf("SwScaler: using C scaler for horizontal scaling\n");
#endif
if(dstbpp==12)
{
if(vLumFilterSize==1)
printf("SwScaler: using 1-tap %s \"scaler\" for vertical scaling (YV12)\n", mmx ? "MMX" : "C");
else
printf("SwScaler: using n-tap %s scaler for vertical scaling (YV12)\n", mmx ? "MMX" : "C");
}
else
{
if(vLumFilterSize==1 && vChrFilterSize==2)
printf("SwScaler: using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
"SwScaler: 2-tap scaler for vertical chrominance scaling (BGR)\n", mmx ? "MMX" : "C");
else if(vLumFilterSize==2 && vChrFilterSize==2)
printf("SwScaler: using 2-tap linear %s scaler for vertical scaling (BGR)\n", mmx ? "MMX" : "C");
else
printf("SwScaler: using n-tap %s scaler for vertical scaling (BGR)\n", mmx ? "MMX" : "C");
}
if(dstbpp==24)
printf("SwScaler: using %s YV12->BGR24 Converter\n",
mmx2 ? "MMX2" : (mmx ? "MMX" : "C"));
else
printf("SwScaler: using %s YV12->BGR%d Converter\n", mmx ? "MMX" : "C", dstbpp);
printf("SwScaler: %dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
}
lastInLumBuf= -1;
lastInChrBuf= -1;
} // if(firstLine)
for(;dstY < dstH; dstY++){
unsigned char *dest =dstptr[0]+dststride*dstY;
unsigned char *uDest=dstptr[1]+(dststride>>1)*(dstY>>1);
unsigned char *vDest=dstptr[2]+(dststride>>1)*(dstY>>1);
const int chrDstY= dstbpp==12 ? (dstY>>1) : dstY;
const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
const int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
const int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
if(sws_flags == SWS_FAST_BILINEAR)
{
//handle holes
if(firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;
if(firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;
}
ASSERT(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1)
ASSERT(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1)
// Do we have enough lines in this slice to output the dstY line
if(lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < ((srcSliceY + srcSliceH)>>1))
{
//Do horizontal scaling
while(lastInLumBuf < lastLumSrcY)
{
uint8_t *src= srcptr[0]+(lastInLumBuf + 1 - srcSliceY)*stride[0];
lumBufIndex++;
ASSERT(lumBufIndex < 2*vLumBufSize)
ASSERT(lastInLumBuf + 1 - srcSliceY < srcSliceH)
ASSERT(lastInLumBuf + 1 - srcSliceY >= 0)
// printf("%d %d\n", lumBufIndex, vLumBufSize);
RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, src, srcW, lumXInc);
lastInLumBuf++;
}
while(lastInChrBuf < lastChrSrcY)
{
uint8_t *src1= srcptr[1]+(lastInChrBuf + 1 - (srcSliceY>>1))*stride[1];
uint8_t *src2= srcptr[2]+(lastInChrBuf + 1 - (srcSliceY>>1))*stride[2];
chrBufIndex++;
ASSERT(chrBufIndex < 2*vChrBufSize)
ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) < (srcSliceH>>1))
ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) >= 0)
RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, (srcW+1)>>1, chrXInc);
lastInChrBuf++;
}
//wrap buf index around to stay inside the ring buffer
if(lumBufIndex >= vLumBufSize ) lumBufIndex-= vLumBufSize;
if(chrBufIndex >= vChrBufSize ) chrBufIndex-= vChrBufSize;
}
else // not enough lines left in this slice -> load the rest in the buffer
{
/* printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",
firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,
lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,
vChrBufSize, vLumBufSize);
*/
//Do horizontal scaling
while(lastInLumBuf+1 < srcSliceY + srcSliceH)
{
uint8_t *src= srcptr[0]+(lastInLumBuf + 1 - srcSliceY)*stride[0];
lumBufIndex++;
ASSERT(lumBufIndex < 2*vLumBufSize)
ASSERT(lastInLumBuf + 1 - srcSliceY < srcSliceH)
ASSERT(lastInLumBuf + 1 - srcSliceY >= 0)
RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, src, srcW, lumXInc);
lastInLumBuf++;
}
while(lastInChrBuf+1 < ((srcSliceY + srcSliceH)>>1))
{
uint8_t *src1= srcptr[1]+(lastInChrBuf + 1 - (srcSliceY>>1))*stride[1];
uint8_t *src2= srcptr[2]+(lastInChrBuf + 1 - (srcSliceY>>1))*stride[2];
chrBufIndex++;
ASSERT(chrBufIndex < 2*vChrBufSize)
ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) < (srcSliceH>>1))
ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) >= 0)
RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, (srcW+1)>>1, chrXInc);
lastInChrBuf++;
}
//wrap buf index around to stay inside the ring buffer
if(lumBufIndex >= vLumBufSize ) lumBufIndex-= vLumBufSize;
if(chrBufIndex >= vChrBufSize ) chrBufIndex-= vChrBufSize;
break; //we cant output a dstY line so lets try with the next slice
}
#ifdef HAVE_MMX
b5Dither= dither8[dstY&1];
g6Dither= dither4[dstY&1];
g5Dither= dither8[dstY&1];
r5Dither= dither8[(dstY+1)&1];
#endif
if(dstY < dstH-2 || over<=0)
{
if(dstbpp==12) //YV12
{
if(dstY&1) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
if(vLumFilterSize == 1 && vChrFilterSize == 1) // Unscaled YV12
{
int16_t *lumBuf = lumPixBuf[0];
int16_t *chrBuf= chrPixBuf[0];
RENAME(yuv2yuv1)(lumBuf, chrBuf, dest, uDest, vDest, dstW);
}
else //General YV12
{
int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
RENAME(yuv2yuvX)(
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+(dstY>>1)*vChrFilterSize, chrSrcPtr, vChrFilterSize,
dest, uDest, vDest, dstW,
lumMmxFilter+dstY*vLumFilterSize*4, chrMmxFilter+(dstY>>1)*vChrFilterSize*4);
}
}
else
{
int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
ASSERT(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
ASSERT(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
if(vLumFilterSize == 1 && vChrFilterSize == 2) //Unscaled RGB
{
int chrAlpha= vChrFilter[2*dstY+1];
RENAME(yuv2rgb1)(*lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
dest, dstW, chrAlpha, dstbpp);
}
else if(vLumFilterSize == 2 && vChrFilterSize == 2) //BiLinear Upscale RGB
{
int lumAlpha= vLumFilter[2*dstY+1];
int chrAlpha= vChrFilter[2*dstY+1];
RENAME(yuv2rgb2)(*lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
dest, dstW, lumAlpha, chrAlpha, dstbpp);
}
else //General RGB
{
RENAME(yuv2rgbX)(
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
dest, dstW, dstbpp,
lumMmxFilter+dstY*vLumFilterSize*4, chrMmxFilter+dstY*vChrFilterSize*4);
}
}
}
else // hmm looks like we cant use MMX here without overwriting this arrays tail
{
int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
if(dstbpp==12) //YV12
{
if(dstY&1) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
yuv2yuvXinC(
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+(dstY>>1)*vChrFilterSize, chrSrcPtr, vChrFilterSize,
dest, uDest, vDest, dstW);
}
else
{
ASSERT(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
ASSERT(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
yuv2rgbXinC(
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
dest, dstW, dstbpp);
}
}
}
#ifdef HAVE_MMX
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
#endif
firstTime=0;
}
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