diff options
Diffstat (limited to 'postproc/swscale_template.c')
| -rw-r--r-- | postproc/swscale_template.c | 190 |
1 files changed, 18 insertions, 172 deletions
diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c index 56e53f8bf6..256d933365 100644 --- a/postproc/swscale_template.c +++ b/postproc/swscale_template.c @@ -5,44 +5,9 @@ // current version mostly by Michael Niedermayer (michaelni@gmx.at) // the parts written by michael are under GNU GPL -#include <inttypes.h> -#include <string.h> -#include "../config.h" -#include "swscale.h" -#include "../mmx_defs.h" #undef MOVNTQ #undef PAVGB -//#undef HAVE_MMX2 -//#undef HAVE_MMX -//#undef ARCH_X86 -#define DITHER1XBPP -int fullUVIpol=0; -//disables the unscaled height version -int allwaysIpol=0; - -#define RET 0xC3 //near return opcode -/* -NOTES - -known BUGS with known cause (no bugreports please!, but patches are welcome :) ) -horizontal MMX2 scaler reads 1-7 samples too much (might cause a sig11) - -Supported output formats BGR15 BGR16 BGR24 BGR32 -BGR15 & BGR16 MMX verions support dithering -Special versions: fast Y 1:1 scaling (no interpolation in y direction) - -TODO -more intelligent missalignment avoidance for the horizontal scaler -bicubic scaler -dither in C -change the distance of the u & v buffer -*/ - -#define ABS(a) ((a) > 0 ? (a) : (-(a))) -#define MIN(a,b) ((a) > (b) ? (b) : (a)) -#define MAX(a,b) ((a) < (b) ? (b) : (a)) - #ifdef HAVE_MMX2 #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t" #elif defined (HAVE_3DNOW) @@ -55,85 +20,6 @@ change the distance of the u & v buffer #define MOVNTQ(a,b) "movq " #a ", " #b " \n\t" #endif - -#ifdef HAVE_MMX -static uint64_t __attribute__((aligned(8))) yCoeff= 0x2568256825682568LL; -static uint64_t __attribute__((aligned(8))) vrCoeff= 0x3343334333433343LL; -static uint64_t __attribute__((aligned(8))) ubCoeff= 0x40cf40cf40cf40cfLL; -static uint64_t __attribute__((aligned(8))) vgCoeff= 0xE5E2E5E2E5E2E5E2LL; -static uint64_t __attribute__((aligned(8))) ugCoeff= 0xF36EF36EF36EF36ELL; -static uint64_t __attribute__((aligned(8))) bF8= 0xF8F8F8F8F8F8F8F8LL; -static uint64_t __attribute__((aligned(8))) bFC= 0xFCFCFCFCFCFCFCFCLL; -static uint64_t __attribute__((aligned(8))) w400= 0x0400040004000400LL; -static uint64_t __attribute__((aligned(8))) w80= 0x0080008000800080LL; -static uint64_t __attribute__((aligned(8))) w10= 0x0010001000100010LL; -static uint64_t __attribute__((aligned(8))) bm00001111=0x00000000FFFFFFFFLL; -static uint64_t __attribute__((aligned(8))) bm00000111=0x0000000000FFFFFFLL; -static uint64_t __attribute__((aligned(8))) bm11111000=0xFFFFFFFFFF000000LL; - -static volatile uint64_t __attribute__((aligned(8))) b5Dither; -static volatile uint64_t __attribute__((aligned(8))) g5Dither; -static volatile uint64_t __attribute__((aligned(8))) g6Dither; -static volatile uint64_t __attribute__((aligned(8))) r5Dither; - -static uint64_t __attribute__((aligned(8))) dither4[2]={ - 0x0103010301030103LL, - 0x0200020002000200LL,}; - -static uint64_t __attribute__((aligned(8))) dither8[2]={ - 0x0602060206020602LL, - 0x0004000400040004LL,}; - -static uint64_t __attribute__((aligned(8))) b16Mask= 0x001F001F001F001FLL; -static uint64_t __attribute__((aligned(8))) g16Mask= 0x07E007E007E007E0LL; -static uint64_t __attribute__((aligned(8))) r16Mask= 0xF800F800F800F800LL; -static uint64_t __attribute__((aligned(8))) b15Mask= 0x001F001F001F001FLL; -static uint64_t __attribute__((aligned(8))) g15Mask= 0x03E003E003E003E0LL; -static uint64_t __attribute__((aligned(8))) r15Mask= 0x7C007C007C007C00LL; - -static uint64_t __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL; -static uint64_t __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL; -static uint64_t __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL; - -static uint64_t __attribute__((aligned(8))) temp0; -static uint64_t __attribute__((aligned(8))) asm_yalpha1; -static uint64_t __attribute__((aligned(8))) asm_uvalpha1; -#endif - -// temporary storage for 4 yuv lines: -// 16bit for now (mmx likes it more compact) -#ifdef HAVE_MMX -static uint16_t __attribute__((aligned(8))) pix_buf_y[4][2048]; -static uint16_t __attribute__((aligned(8))) pix_buf_uv[2][2048*2]; -#else -static uint16_t pix_buf_y[4][2048]; -static uint16_t pix_buf_uv[2][2048*2]; -#endif - -// clipping helper table for C implementations: -static unsigned char clip_table[768]; - -static unsigned short clip_table16b[768]; -static unsigned short clip_table16g[768]; -static unsigned short clip_table16r[768]; -static unsigned short clip_table15b[768]; -static unsigned short clip_table15g[768]; -static unsigned short clip_table15r[768]; - -// yuv->rgb conversion tables: -static int yuvtab_2568[256]; -static int yuvtab_3343[256]; -static int yuvtab_0c92[256]; -static int yuvtab_1a1e[256]; -static int yuvtab_40cf[256]; - -#ifdef HAVE_MMX2 -static uint8_t funnyYCode[10000]; -static uint8_t funnyUVCode[10000]; -#endif - -static int canMMX2BeUsed=0; - #define FULL_YSCALEYUV2RGB \ "pxor %%mm7, %%mm7 \n\t"\ "movd %6, %%mm6 \n\t" /*yalpha1*/\ @@ -598,29 +484,23 @@ static int canMMX2BeUsed=0; " jb 1b \n\t" #ifdef HAVE_MMX2 +#undef WRITEBGR24 #define WRITEBGR24 WRITEBGR24MMX2 #else +#undef WRITEBGR24 #define WRITEBGR24 WRITEBGR24MMX #endif -#ifdef HAVE_MMX -void in_asm_used_var_warning_killer() -{ - int i= yCoeff+vrCoeff+ubCoeff+vgCoeff+ugCoeff+bF8+bFC+w400+w80+w10+ - bm00001111+bm00000111+bm11111000+b16Mask+g16Mask+r16Mask+b15Mask+g15Mask+r15Mask+temp0+asm_yalpha1+ asm_uvalpha1+ - M24A+M24B+M24C; - if(i) i=0; -} -#endif - -static inline void yuv2yuv(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1, +static inline void RENAME(yuv2yuv)(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstw, int yalpha, int uvalpha) { int yalpha1=yalpha^4095; int uvalpha1=uvalpha^4095; int i; +#ifdef ARCH_X86 asm volatile ("\n\t"::: "memory"); +#endif for(i=0;i<dstw;i++) { @@ -640,7 +520,7 @@ static inline void yuv2yuv(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uin /** * vertical scale YV12 to RGB */ -static inline void yuv2rgbX(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1, +static inline void RENAME(yuv2rgbX)(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; @@ -1012,7 +892,7 @@ FULL_YSCALEYUV2RGB /** * YV12 to RGB without scaling or interpolating */ -static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1, +static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1, uint8_t *dest, int dstw, int yalpha, int uvalpha, int dstbpp) { int uvalpha1=uvalpha^4095; @@ -1022,7 +902,7 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui if(fullUVIpol || allwaysIpol) { - yuv2rgbX(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp); + RENAME(yuv2rgbX)(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp); return; } if( yalpha > 2048 ) buf0 = buf1; @@ -1247,7 +1127,7 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui } -static inline void hyscale(uint16_t *dst, int dstWidth, uint8_t *src, int srcWidth, int xInc) +static inline void RENAME(hyscale)(uint16_t *dst, int dstWidth, uint8_t *src, int srcWidth, int xInc) { // *** horizontal scale Y line to temp buffer #ifdef ARCH_X86 @@ -1361,7 +1241,7 @@ FUNNY_Y_CODE #endif } -inline static void hcscale(uint16_t *dst, int dstWidth, +inline static void RENAME(hcscale)(uint16_t *dst, int dstWidth, uint8_t *src1, uint8_t *src2, int srcWidth, int xInc) { #ifdef ARCH_X86 @@ -1496,13 +1376,7 @@ FUNNYUVCODE #endif } - -// *** bilinear scaling and yuv->rgb or yuv->yuv conversion of yv12 slices: -// *** Note: it's called multiple times while decoding a frame, first time y==0 -// *** Designed to upscale, but may work for downscale too. -// s_xinc = (src_width << 16) / dst_width -// s_yinc = (src_height << 16) / dst_height -void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int y, int h, +static void RENAME(SwScale_YV12slice)(unsigned char* srcptr[],int stride[], int y, int h, uint8_t* dstptr[], int dststride, int dstw, int dstbpp, unsigned int s_xinc,unsigned int s_yinc){ @@ -1735,7 +1609,7 @@ else s_xinc2= s_xinc; if(y0-1 < y) src=srcptr[0]+(0 )*stride[0]; else src=srcptr[0]+(y0-y-1)*stride[0]; - hyscale(buf0, dstw, src, srcWidth, s_xinc); + RENAME(hyscale)(buf0, dstw, src, srcWidth, s_xinc); } // check if second line is after any available src lines if(y0-y >= h) src=srcptr[0]+(h-1)*stride[0]; @@ -1743,7 +1617,7 @@ else s_xinc2= s_xinc; // the min() is required to avoid reuseing lines which where not available s_last_ypos= MIN(y0, y+h-1); - hyscale(buf1, dstw, src, srcWidth, s_xinc); + RENAME(hyscale)(buf1, dstw, src, srcWidth, s_xinc); } // printf("%d %d %d %d\n", y, y1, s_last_y1pos, h); // *** horizontal scale U and V lines to temp buffer @@ -1762,7 +1636,7 @@ else s_xinc2= s_xinc; src1= srcptr[1]+(y1-y/2-1)*stride[1]; src2= srcptr[2]+(y1-y/2-1)*stride[2]; } - hcscale(uvbuf0, dstUVw, src1, src2, srcWidth, s_xinc2); + RENAME(hcscale)(uvbuf0, dstUVw, src1, src2, srcWidth, s_xinc2); } // check if second line is after any available src lines @@ -1774,7 +1648,7 @@ else s_xinc2= s_xinc; src1= srcptr[1]+(y1-y/2)*stride[1]; src2= srcptr[2]+(y1-y/2)*stride[2]; } - hcscale(uvbuf1, dstUVw, src1, src2, srcWidth, s_xinc2); + RENAME(hcscale)(uvbuf1, dstUVw, src1, src2, srcWidth, s_xinc2); // the min() is required to avoid reuseing lines which where not available s_last_y1pos= MIN(y1, y/2+h/2-1); @@ -1787,11 +1661,11 @@ else s_xinc2= s_xinc; #endif if(dstbpp==12) //YV12 - yuv2yuv(buf0, buf1, uvbuf0, uvbuf1, dest, uDest, vDest, dstw, yalpha, uvalpha); + RENAME(yuv2yuv)(buf0, buf1, uvbuf0, uvbuf1, dest, uDest, vDest, dstw, yalpha, uvalpha); else if(ABS(s_yinc - 0x10000) < 10) - yuv2rgb1(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp); + RENAME(yuv2rgb1)(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp); else - yuv2rgbX(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp); + RENAME(yuv2rgbX)(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp); } #ifdef HAVE_MMX @@ -1799,31 +1673,3 @@ else s_xinc2= s_xinc; __asm __volatile(EMMS:::"memory"); #endif } - - -void SwScale_Init(){ - // generating tables: - int i; - for(i=0;i<256;i++){ - clip_table[i]=0; - clip_table[i+256]=i; - clip_table[i+512]=255; - yuvtab_2568[i]=(0x2568*(i-16))+(256<<13); - yuvtab_3343[i]=0x3343*(i-128); - yuvtab_0c92[i]=-0x0c92*(i-128); - yuvtab_1a1e[i]=-0x1a1e*(i-128); - yuvtab_40cf[i]=0x40cf*(i-128); - } - - for(i=0; i<768; i++) - { - int v= clip_table[i]; - clip_table16b[i]= v>>3; - clip_table16g[i]= (v<<3)&0x07E0; - clip_table16r[i]= (v<<8)&0xF800; - clip_table15b[i]= v>>3; - clip_table15g[i]= (v<<2)&0x03E0; - clip_table15r[i]= (v<<7)&0x7C00; - } - -} |