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Diffstat (limited to 'libswscale/yuv2rgb_template.c')
| -rw-r--r-- | libswscale/yuv2rgb_template.c | 540 |
1 files changed, 540 insertions, 0 deletions
diff --git a/libswscale/yuv2rgb_template.c b/libswscale/yuv2rgb_template.c new file mode 100644 index 0000000000..2f15931ead --- /dev/null +++ b/libswscale/yuv2rgb_template.c @@ -0,0 +1,540 @@ + +/* + * yuv2rgb_mmx.c, Software YUV to RGB coverter with Intel MMX "technology" + * + * Copyright (C) 2000, Silicon Integrated System Corp. + * All Rights Reserved. + * + * Author: Olie Lho <ollie@sis.com.tw> + * + * This file is part of mpeg2dec, a free MPEG-2 video decoder + * + * mpeg2dec is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * mpeg2dec is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Make; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + * 15,24 bpp and dithering from Michael Niedermayer (michaelni@gmx.at) + * MMX/MMX2 Template stuff from Michael Niedermayer (needed for fast movntq support) + * context / deglobalize stuff by Michael Niedermayer + */ + +#undef MOVNTQ +#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_MMX2 +#define MOVNTQ "movntq" +#define SFENCE "sfence" +#else +#define MOVNTQ "movq" +#define SFENCE "/nop" +#endif + +#define YUV2RGB \ + /* Do the multiply part of the conversion for even and odd pixels, + register usage: + mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels, + mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels, + mm6 -> Y even, mm7 -> Y odd */\ + /* convert the chroma part */\ + "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \ + "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \ +\ + "psllw $3, %%mm0;" /* Promote precision */ \ + "psllw $3, %%mm1;" /* Promote precision */ \ +\ + "psubsw "U_OFFSET"(%4), %%mm0;" /* Cb -= 128 */ \ + "psubsw "V_OFFSET"(%4), %%mm1;" /* Cr -= 128 */ \ +\ + "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \ + "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \ +\ + "pmulhw "UG_COEFF"(%4), %%mm2;" /* Mul Cb with green coeff -> Cb green */ \ + "pmulhw "VG_COEFF"(%4), %%mm3;" /* Mul Cr with green coeff -> Cr green */ \ +\ + "pmulhw "UB_COEFF"(%4), %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */\ + "pmulhw "VR_COEFF"(%4), %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */\ +\ + "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */\ +\ + /* convert the luma part */\ + "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\ + "pand "MANGLE(mmx_00ffw)", %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */\ +\ + "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */\ +\ + "psllw $3, %%mm6;" /* Promote precision */\ + "psllw $3, %%mm7;" /* Promote precision */\ +\ + "psubw "Y_OFFSET"(%4), %%mm6;" /* Y -= 16 */\ + "psubw "Y_OFFSET"(%4), %%mm7;" /* Y -= 16 */\ +\ + "pmulhw "Y_COEFF"(%4), %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */\ + "pmulhw "Y_COEFF"(%4), %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */\ +\ + /* Do the addition part of the conversion for even and odd pixels, + register usage: + mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels, + mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels, + mm6 -> Y even, mm7 -> Y odd */\ + "movq %%mm0, %%mm3;" /* Copy Cblue */\ + "movq %%mm1, %%mm4;" /* Copy Cred */\ + "movq %%mm2, %%mm5;" /* Copy Cgreen */\ +\ + "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */\ + "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */\ +\ + "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */\ + "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */\ +\ + "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */\ + "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */\ +\ + /* Limit RGB even to 0..255 */\ + "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0 B6 B4 B2 B0 */\ + "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0 R6 R4 R2 R0 */\ + "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0 G6 G4 G2 G0 */\ +\ + /* Limit RGB odd to 0..255 */\ + "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1 B7 B5 B3 B1 */\ + "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1 R7 R5 R3 R1 */\ + "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1 G7 G5 G3 G1 */\ +\ + /* Interleave RGB even and odd */\ + "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */\ + "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */\ + "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */\ + + +static inline int RENAME(yuv420_rgb16)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]){ + int y, h_size; + + if(c->srcFormat == IMGFMT_422P){ + srcStride[1] *= 2; + srcStride[2] *= 2; + } + + h_size= (c->dstW+7)&~7; + if(h_size*2 > dstStride[0]) h_size-=8; + + __asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ ); +//printf("%X %X %X %X %X %X %X %X %X %X\n", (int)&c->redDither, (int)&b5Dither, (int)src[0], (int)src[1], (int)src[2], (int)dst[0], +//srcStride[0],srcStride[1],srcStride[2],dstStride[0]); + for (y= 0; y<srcSliceH; y++ ) { + uint8_t *_image = dst[0] + (y+srcSliceY)*dstStride[0]; + uint8_t *_py = src[0] + y*srcStride[0]; + uint8_t *_pu = src[1] + (y>>1)*srcStride[1]; + uint8_t *_pv = src[2] + (y>>1)*srcStride[2]; + long index= -h_size/2; + + b5Dither= dither8[y&1]; + g6Dither= dither4[y&1]; + g5Dither= dither8[y&1]; + r5Dither= dither8[(y+1)&1]; + /* this mmx assembly code deals with SINGLE scan line at a time, it convert 8 + pixels in each iteration */ + __asm__ __volatile__ ( + /* load data for start of next scan line */ + "movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + "movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + "movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ +// ".balign 16 \n\t" + "1: \n\t" +/* no speed diference on my p3@500 with prefetch, + * if it is faster for anyone with -benchmark then tell me + PREFETCH" 64(%0) \n\t" + PREFETCH" 64(%1) \n\t" + PREFETCH" 64(%2) \n\t" +*/ +YUV2RGB + +#ifdef DITHER1XBPP + "paddusb "MANGLE(b5Dither)", %%mm0;" + "paddusb "MANGLE(g6Dither)", %%mm2;" + "paddusb "MANGLE(r5Dither)", %%mm1;" +#endif + /* mask unneeded bits off */ + "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */ + "pand "MANGLE(mmx_grnmask)", %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */ + "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */ + + "psrlw $3,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */ + "pxor %%mm4, %%mm4;" /* zero mm4 */ + + "movq %%mm0, %%mm5;" /* Copy B7-B0 */ + "movq %%mm2, %%mm7;" /* Copy G7-G0 */ + + /* convert rgb24 plane to rgb16 pack for pixel 0-3 */ + "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */ + "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ + + "psllw $3, %%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */ + "por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */ + + "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ + MOVNTQ " %%mm0, (%1);" /* store pixel 0-3 */ + + /* convert rgb24 plane to rgb16 pack for pixel 0-3 */ + "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */ + "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ + + "psllw $3, %%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */ + "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + + "por %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */ + "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + + MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */ + + "add $16, %1 \n\t" + "add $4, %0 \n\t" + " js 1b \n\t" + + : "+r" (index), "+r" (_image) + : "r" (_pu - index), "r" (_pv - index), "r"(&c->redDither), "r" (_py - 2*index) + ); + } + + __asm__ __volatile__ (EMMS); + + return srcSliceH; +} + +static inline int RENAME(yuv420_rgb15)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]){ + int y, h_size; + + if(c->srcFormat == IMGFMT_422P){ + srcStride[1] *= 2; + srcStride[2] *= 2; + } + + h_size= (c->dstW+7)&~7; + if(h_size*2 > dstStride[0]) h_size-=8; + + __asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ ); +//printf("%X %X %X %X %X %X %X %X %X %X\n", (int)&c->redDither, (int)&b5Dither, (int)src[0], (int)src[1], (int)src[2], (int)dst[0], +//srcStride[0],srcStride[1],srcStride[2],dstStride[0]); + for (y= 0; y<srcSliceH; y++ ) { + uint8_t *_image = dst[0] + (y+srcSliceY)*dstStride[0]; + uint8_t *_py = src[0] + y*srcStride[0]; + uint8_t *_pu = src[1] + (y>>1)*srcStride[1]; + uint8_t *_pv = src[2] + (y>>1)*srcStride[2]; + long index= -h_size/2; + + b5Dither= dither8[y&1]; + g6Dither= dither4[y&1]; + g5Dither= dither8[y&1]; + r5Dither= dither8[(y+1)&1]; + /* this mmx assembly code deals with SINGLE scan line at a time, it convert 8 + pixels in each iteration */ + __asm__ __volatile__ ( + /* load data for start of next scan line */ + "movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + "movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + "movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ +// ".balign 16 \n\t" + "1: \n\t" +YUV2RGB + +#ifdef DITHER1XBPP + "paddusb "MANGLE(b5Dither)", %%mm0 \n\t" + "paddusb "MANGLE(g5Dither)", %%mm2 \n\t" + "paddusb "MANGLE(r5Dither)", %%mm1 \n\t" +#endif + + /* mask unneeded bits off */ + "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */ + "pand "MANGLE(mmx_redmask)", %%mm2;" /* g7g6g5g4 g3_0_0_0 g7g6g5g4 g3_0_0_0 */ + "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */ + + "psrlw $3,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */ + "psrlw $1,%%mm1;" /* 0_r7r6r5 r4r3_0_0 0_r7r6r5 r4r3_0_0 */ + "pxor %%mm4, %%mm4;" /* zero mm4 */ + + "movq %%mm0, %%mm5;" /* Copy B7-B0 */ + "movq %%mm2, %%mm7;" /* Copy G7-G0 */ + + /* convert rgb24 plane to rgb16 pack for pixel 0-3 */ + "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3_0_0_0 */ + "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ + + "psllw $2, %%mm2;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */ + "por %%mm2, %%mm0;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */ + + "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ + MOVNTQ " %%mm0, (%1);" /* store pixel 0-3 */ + + /* convert rgb24 plane to rgb16 pack for pixel 0-3 */ + "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 0_g7g6g5 g4g3_0_0 */ + "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ + + "psllw $2, %%mm7;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */ + "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + + "por %%mm7, %%mm5;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */ + "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + + MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */ + + "add $16, %1 \n\t" + "add $4, %0 \n\t" + " js 1b \n\t" + : "+r" (index), "+r" (_image) + : "r" (_pu - index), "r" (_pv - index), "r"(&c->redDither), "r" (_py - 2*index) + ); + } + + __asm__ __volatile__ (EMMS); + return srcSliceH; +} + +static inline int RENAME(yuv420_rgb24)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]){ + int y, h_size; + + if(c->srcFormat == IMGFMT_422P){ + srcStride[1] *= 2; + srcStride[2] *= 2; + } + + h_size= (c->dstW+7)&~7; + if(h_size*3 > dstStride[0]) h_size-=8; + + __asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ ); + + for (y= 0; y<srcSliceH; y++ ) { + uint8_t *_image = dst[0] + (y+srcSliceY)*dstStride[0]; + uint8_t *_py = src[0] + y*srcStride[0]; + uint8_t *_pu = src[1] + (y>>1)*srcStride[1]; + uint8_t *_pv = src[2] + (y>>1)*srcStride[2]; + long index= -h_size/2; + + /* this mmx assembly code deals with SINGLE scan line at a time, it convert 8 + pixels in each iteration */ + __asm__ __volatile__ ( + /* load data for start of next scan line */ + "movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + "movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + "movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ +// ".balign 16 \n\t" + "1: \n\t" +YUV2RGB + /* mm0=B, %%mm2=G, %%mm1=R */ +#ifdef HAVE_MMX2 + "movq "MANGLE(M24A)", %%mm4 \n\t" + "movq "MANGLE(M24C)", %%mm7 \n\t" + "pshufw $0x50, %%mm0, %%mm5 \n\t" /* B3 B2 B3 B2 B1 B0 B1 B0 */ + "pshufw $0x50, %%mm2, %%mm3 \n\t" /* G3 G2 G3 G2 G1 G0 G1 G0 */ + "pshufw $0x00, %%mm1, %%mm6 \n\t" /* R1 R0 R1 R0 R1 R0 R1 R0 */ + + "pand %%mm4, %%mm5 \n\t" /* B2 B1 B0 */ + "pand %%mm4, %%mm3 \n\t" /* G2 G1 G0 */ + "pand %%mm7, %%mm6 \n\t" /* R1 R0 */ + + "psllq $8, %%mm3 \n\t" /* G2 G1 G0 */ + "por %%mm5, %%mm6 \n\t" + "por %%mm3, %%mm6 \n\t" + MOVNTQ" %%mm6, (%1) \n\t" + + "psrlq $8, %%mm2 \n\t" /* 00 G7 G6 G5 G4 G3 G2 G1 */ + "pshufw $0xA5, %%mm0, %%mm5 \n\t" /* B5 B4 B5 B4 B3 B2 B3 B2 */ + "pshufw $0x55, %%mm2, %%mm3 \n\t" /* G4 G3 G4 G3 G4 G3 G4 G3 */ + "pshufw $0xA5, %%mm1, %%mm6 \n\t" /* R5 R4 R5 R4 R3 R2 R3 R2 */ + + "pand "MANGLE(M24B)", %%mm5 \n\t" /* B5 B4 B3 */ + "pand %%mm7, %%mm3 \n\t" /* G4 G3 */ + "pand %%mm4, %%mm6 \n\t" /* R4 R3 R2 */ + + "por %%mm5, %%mm3 \n\t" /* B5 G4 B4 G3 B3 */ + "por %%mm3, %%mm6 \n\t" + MOVNTQ" %%mm6, 8(%1) \n\t" + + "pshufw $0xFF, %%mm0, %%mm5 \n\t" /* B7 B6 B7 B6 B7 B6 B6 B7 */ + "pshufw $0xFA, %%mm2, %%mm3 \n\t" /* 00 G7 00 G7 G6 G5 G6 G5 */ + "pshufw $0xFA, %%mm1, %%mm6 \n\t" /* R7 R6 R7 R6 R5 R4 R5 R4 */ + "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + + "pand %%mm7, %%mm5 \n\t" /* B7 B6 */ + "pand %%mm4, %%mm3 \n\t" /* G7 G6 G5 */ + "pand "MANGLE(M24B)", %%mm6 \n\t" /* R7 R6 R5 */ + "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ +\ + "por %%mm5, %%mm3 \n\t" + "por %%mm3, %%mm6 \n\t" + MOVNTQ" %%mm6, 16(%1) \n\t" + "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ + "pxor %%mm4, %%mm4 \n\t" + +#else + + "pxor %%mm4, %%mm4 \n\t" + "movq %%mm0, %%mm5 \n\t" /* B */ + "movq %%mm1, %%mm6 \n\t" /* R */ + "punpcklbw %%mm2, %%mm0 \n\t" /* GBGBGBGB 0 */ + "punpcklbw %%mm4, %%mm1 \n\t" /* 0R0R0R0R 0 */ + "punpckhbw %%mm2, %%mm5 \n\t" /* GBGBGBGB 2 */ + "punpckhbw %%mm4, %%mm6 \n\t" /* 0R0R0R0R 2 */ + "movq %%mm0, %%mm7 \n\t" /* GBGBGBGB 0 */ + "movq %%mm5, %%mm3 \n\t" /* GBGBGBGB 2 */ + "punpcklwd %%mm1, %%mm7 \n\t" /* 0RGB0RGB 0 */ + "punpckhwd %%mm1, %%mm0 \n\t" /* 0RGB0RGB 1 */ + "punpcklwd %%mm6, %%mm5 \n\t" /* 0RGB0RGB 2 */ + "punpckhwd %%mm6, %%mm3 \n\t" /* 0RGB0RGB 3 */ + + "movq %%mm7, %%mm2 \n\t" /* 0RGB0RGB 0 */ + "movq %%mm0, %%mm6 \n\t" /* 0RGB0RGB 1 */ + "movq %%mm5, %%mm1 \n\t" /* 0RGB0RGB 2 */ + "movq %%mm3, %%mm4 \n\t" /* 0RGB0RGB 3 */ + + "psllq $40, %%mm7 \n\t" /* RGB00000 0 */ + "psllq $40, %%mm0 \n\t" /* RGB00000 1 */ + "psllq $40, %%mm5 \n\t" /* RGB00000 2 */ + "psllq $40, %%mm3 \n\t" /* RGB00000 3 */ + + "punpckhdq %%mm2, %%mm7 \n\t" /* 0RGBRGB0 0 */ + "punpckhdq %%mm6, %%mm0 \n\t" /* 0RGBRGB0 1 */ + "punpckhdq %%mm1, %%mm5 \n\t" /* 0RGBRGB0 2 */ + "punpckhdq %%mm4, %%mm3 \n\t" /* 0RGBRGB0 3 */ + + "psrlq $8, %%mm7 \n\t" /* 00RGBRGB 0 */ + "movq %%mm0, %%mm6 \n\t" /* 0RGBRGB0 1 */ + "psllq $40, %%mm0 \n\t" /* GB000000 1 */ + "por %%mm0, %%mm7 \n\t" /* GBRGBRGB 0 */ + MOVNTQ" %%mm7, (%1) \n\t" + + "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + + "psrlq $24, %%mm6 \n\t" /* 0000RGBR 1 */ + "movq %%mm5, %%mm1 \n\t" /* 0RGBRGB0 2 */ + "psllq $24, %%mm5 \n\t" /* BRGB0000 2 */ + "por %%mm5, %%mm6 \n\t" /* BRGBRGBR 1 */ + MOVNTQ" %%mm6, 8(%1) \n\t" + + "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ + + "psrlq $40, %%mm1 \n\t" /* 000000RG 2 */ + "psllq $8, %%mm3 \n\t" /* RGBRGB00 3 */ + "por %%mm3, %%mm1 \n\t" /* RGBRGBRG 2 */ + MOVNTQ" %%mm1, 16(%1) \n\t" + + "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + "pxor %%mm4, %%mm4 \n\t" +#endif + + "add $24, %1 \n\t" + "add $4, %0 \n\t" + " js 1b \n\t" + + : "+r" (index), "+r" (_image) + : "r" (_pu - index), "r" (_pv - index), "r"(&c->redDither), "r" (_py - 2*index) + ); + } + + __asm__ __volatile__ (EMMS); + return srcSliceH; +} + +static inline int RENAME(yuv420_rgb32)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]){ + int y, h_size; + + if(c->srcFormat == IMGFMT_422P){ + srcStride[1] *= 2; + srcStride[2] *= 2; + } + + h_size= (c->dstW+7)&~7; + if(h_size*4 > dstStride[0]) h_size-=8; + + __asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ ); + + for (y= 0; y<srcSliceH; y++ ) { + uint8_t *_image = dst[0] + (y+srcSliceY)*dstStride[0]; + uint8_t *_py = src[0] + y*srcStride[0]; + uint8_t *_pu = src[1] + (y>>1)*srcStride[1]; + uint8_t *_pv = src[2] + (y>>1)*srcStride[2]; + long index= -h_size/2; + + /* this mmx assembly code deals with SINGLE scan line at a time, it convert 8 + pixels in each iteration */ + __asm__ __volatile__ ( + /* load data for start of next scan line */ + "movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + "movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + "movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ +// ".balign 16 \n\t" + "1: \n\t" +YUV2RGB + /* convert RGB plane to RGB packed format, + mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> 0, + mm4 -> GB, mm5 -> AR pixel 4-7, + mm6 -> GB, mm7 -> AR pixel 0-3 */ + "pxor %%mm3, %%mm3;" /* zero mm3 */ + + "movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ + "movq %%mm1, %%mm7;" /* R7 R6 R5 R4 R3 R2 R1 R0 */ + + "movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ + "movq %%mm1, %%mm5;" /* R7 R6 R5 R4 R3 R2 R1 R0 */ + + "punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */ + "punpcklbw %%mm3, %%mm7;" /* 00 R3 00 R2 00 R1 00 R0 */ + + "punpcklwd %%mm7, %%mm6;" /* 00 R1 B1 G1 00 R0 B0 G0 */ + MOVNTQ " %%mm6, (%1);" /* Store ARGB1 ARGB0 */ + + "movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ + "punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */ + + "punpckhwd %%mm7, %%mm6;" /* 00 R3 G3 B3 00 R2 B3 G2 */ + MOVNTQ " %%mm6, 8 (%1);" /* Store ARGB3 ARGB2 */ + + "punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */ + "punpckhbw %%mm3, %%mm5;" /* 00 R7 00 R6 00 R5 00 R4 */ + + "punpcklwd %%mm5, %%mm4;" /* 00 R5 B5 G5 00 R4 B4 G4 */ + MOVNTQ " %%mm4, 16 (%1);" /* Store ARGB5 ARGB4 */ + + "movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ + "punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */ + + "punpckhwd %%mm5, %%mm4;" /* 00 R7 G7 B7 00 R6 B6 G6 */ + MOVNTQ " %%mm4, 24 (%1);" /* Store ARGB7 ARGB6 */ + + "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + + "pxor %%mm4, %%mm4;" /* zero mm4 */ + "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ + + "add $32, %1 \n\t" + "add $4, %0 \n\t" + " js 1b \n\t" + + : "+r" (index), "+r" (_image) + : "r" (_pu - index), "r" (_pv - index), "r"(&c->redDither), "r" (_py - 2*index) + ); + } + + __asm__ __volatile__ (EMMS); + return srcSliceH; +} |