From 870a6f4044f639bbcbdb3f724331199651e777d1 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Sun, 30 May 2010 08:44:05 +0000 Subject: Rename yuv2rgb_template2.c --> yuv2rgb_template.c now that the other is gone. Originally committed as revision 31279 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale --- libswscale/x86/yuv2rgb_template.c | 453 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 453 insertions(+) create mode 100644 libswscale/x86/yuv2rgb_template.c (limited to 'libswscale/x86/yuv2rgb_template.c') diff --git a/libswscale/x86/yuv2rgb_template.c b/libswscale/x86/yuv2rgb_template.c new file mode 100644 index 0000000000..5c062c10d4 --- /dev/null +++ b/libswscale/x86/yuv2rgb_template.c @@ -0,0 +1,453 @@ +/* + * software YUV to RGB converter + * + * Copyright (C) 2001-2007 Michael Niedermayer + * (c) 2010 Konstantin Shishkov + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#undef MOVNTQ +#undef EMMS +#undef SFENCE + +#if HAVE_AMD3DNOW +/* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */ +#define EMMS "femms" +#else +#define EMMS "emms" +#endif + +#if HAVE_MMX2 +#define MOVNTQ "movntq" +#define SFENCE "sfence" +#else +#define MOVNTQ "movq" +#define SFENCE " # nop" +#endif + +#define REG_BLUE "0" +#define REG_RED "1" +#define REG_GREEN "2" +#define REG_ALPHA "3" + +#define YUV2RGB_LOOP(depth) \ + h_size = (c->dstW + 7) & ~7; \ + if (h_size * depth > FFABS(dstStride[0])) \ + h_size -= 8; \ + \ + if (c->srcFormat == PIX_FMT_YUV422P) { \ + srcStride[1] *= 2; \ + srcStride[2] *= 2; \ + } \ + \ + __asm__ volatile ("pxor %mm4, %mm4\n\t"); \ + for (y = 0; y < srcSliceH; y++) { \ + uint8_t *image = dst[0] + (y + srcSliceY) * dstStride[0]; \ + const uint8_t *py = src[0] + y * srcStride[0]; \ + const uint8_t *pu = src[1] + (y >> 1) * srcStride[1]; \ + const uint8_t *pv = src[2] + (y >> 1) * srcStride[2]; \ + x86_reg index = -h_size / 2; \ + +#define YUV2RGB_INITIAL_LOAD \ + __asm__ volatile ( \ + "movq (%5, %0, 2), %%mm6\n\t" \ + "movd (%2, %0), %%mm0\n\t" \ + "movd (%3, %0), %%mm1\n\t" \ + "1: \n\t" \ + +/* YUV2RGB core + * Conversion is performed in usual way: + * R = Y' * Ycoef + Vred * V' + * G = Y' * Ycoef + Vgreen * V' + Ugreen * U' + * B = Y' * Ycoef + Ublue * U' + * + * where X' = X * 8 - Xoffset (multiplication is performed to increase + * precision a bit). + * Since it operates in YUV420 colorspace, Y component is additionally + * split into Y1 and Y2 for even and odd pixels. + * + * Input: + * mm0 - U (4 elems), mm1 - V (4 elems), mm6 - Y (8 elems), mm4 - zero register + * Output: + * mm1 - R, mm2 - G, mm0 - B + */ +#define YUV2RGB \ + /* convert Y, U, V into Y1', Y2', U', V' */ \ + "movq %%mm6, %%mm7\n\t" \ + "punpcklbw %%mm4, %%mm0\n\t" \ + "punpcklbw %%mm4, %%mm1\n\t" \ + "pand "MANGLE(mmx_00ffw)", %%mm6\n\t" \ + "psrlw $8, %%mm7\n\t" \ + "psllw $3, %%mm0\n\t" \ + "psllw $3, %%mm1\n\t" \ + "psllw $3, %%mm6\n\t" \ + "psllw $3, %%mm7\n\t" \ + "psubsw "U_OFFSET"(%4), %%mm0\n\t" \ + "psubsw "V_OFFSET"(%4), %%mm1\n\t" \ + "psubw "Y_OFFSET"(%4), %%mm6\n\t" \ + "psubw "Y_OFFSET"(%4), %%mm7\n\t" \ +\ + /* multiply by coefficients */ \ + "movq %%mm0, %%mm2\n\t" \ + "movq %%mm1, %%mm3\n\t" \ + "pmulhw "UG_COEFF"(%4), %%mm2\n\t" \ + "pmulhw "VG_COEFF"(%4), %%mm3\n\t" \ + "pmulhw "Y_COEFF" (%4), %%mm6\n\t" \ + "pmulhw "Y_COEFF" (%4), %%mm7\n\t" \ + "pmulhw "UB_COEFF"(%4), %%mm0\n\t" \ + "pmulhw "VR_COEFF"(%4), %%mm1\n\t" \ + "paddsw %%mm3, %%mm2\n\t" \ + /* now: mm0 = UB, mm1 = VR, mm2 = CG */ \ + /* mm6 = Y1, mm7 = Y2 */ \ +\ + /* produce RGB */ \ + "movq %%mm7, %%mm3\n\t" \ + "movq %%mm7, %%mm5\n\t" \ + "paddsw %%mm0, %%mm3\n\t" \ + "paddsw %%mm1, %%mm5\n\t" \ + "paddsw %%mm2, %%mm7\n\t" \ + "paddsw %%mm6, %%mm0\n\t" \ + "paddsw %%mm6, %%mm1\n\t" \ + "paddsw %%mm6, %%mm2\n\t" \ + +#define RGB_PACK_INTERLEAVE \ + /* pack and interleave even/odd pixels */ \ + "packuswb %%mm1, %%mm0\n\t" \ + "packuswb %%mm5, %%mm3\n\t" \ + "packuswb %%mm2, %%mm2\n\t" \ + "movq %%mm0, %%mm1\n\n" \ + "packuswb %%mm7, %%mm7\n\t" \ + "punpcklbw %%mm3, %%mm0\n\t" \ + "punpckhbw %%mm3, %%mm1\n\t" \ + "punpcklbw %%mm7, %%mm2\n\t" \ + +#define YUV2RGB_ENDLOOP(depth) \ + "movq 8 (%5, %0, 2), %%mm6\n\t" \ + "movd 4 (%3, %0), %%mm1\n\t" \ + "movd 4 (%2, %0), %%mm0\n\t" \ + "add $"AV_STRINGIFY(depth * 8)", %1\n\t" \ + "add $4, %0\n\t" \ + "js 1b\n\t" \ + +#define YUV2RGB_OPERANDS \ + : "+r" (index), "+r" (image) \ + : "r" (pu - index), "r" (pv - index), "r"(&c->redDither), \ + "r" (py - 2*index) \ + ); \ + } \ + +#define YUV2RGB_OPERANDS_ALPHA \ + : "+r" (index), "+r" (image) \ + : "r" (pu - index), "r" (pv - index), "r"(&c->redDither), \ + "r" (py - 2*index), "r" (pa - 2*index) \ + ); \ + } \ + +#define YUV2RGB_ENDFUNC \ + __asm__ volatile (SFENCE"\n\t"EMMS); \ + return srcSliceH; \ + +#define IF0(x) +#define IF1(x) x + +#define RGB_PACK16(gmask, is15) \ + "pand "MANGLE(mmx_redmask)", %%mm0\n\t" \ + "pand "MANGLE(mmx_redmask)", %%mm1\n\t" \ + "movq %%mm2, %%mm3\n\t" \ + "psllw $"AV_STRINGIFY(3-is15)", %%mm2\n\t" \ + "psrlw $"AV_STRINGIFY(5+is15)", %%mm3\n\t" \ + "psrlw $3, %%mm0\n\t" \ + IF##is15("psrlw $1, %%mm1\n\t") \ + "pand "MANGLE(pb_e0)", %%mm2\n\t" \ + "pand "MANGLE(gmask)", %%mm3\n\t" \ + "por %%mm2, %%mm0\n\t" \ + "por %%mm3, %%mm1\n\t" \ + "movq %%mm0, %%mm2\n\t" \ + "punpcklbw %%mm1, %%mm0\n\t" \ + "punpckhbw %%mm1, %%mm2\n\t" \ + MOVNTQ " %%mm0, (%1)\n\t" \ + MOVNTQ " %%mm2, 8(%1)\n\t" \ + +#define DITHER_RGB \ + "paddusb "BLUE_DITHER"(%4), %%mm0\n\t" \ + "paddusb "GREEN_DITHER"(%4), %%mm2\n\t" \ + "paddusb "RED_DITHER"(%4), %%mm1\n\t" \ + +static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t *src[], + int srcStride[], + int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ + int y, h_size; + + YUV2RGB_LOOP(2) + +#ifdef DITHER1XBPP + c->blueDither = ff_dither8[y & 1]; + c->greenDither = ff_dither8[y & 1]; + c->redDither = ff_dither8[(y + 1) & 1]; +#endif + + YUV2RGB_INITIAL_LOAD + YUV2RGB + RGB_PACK_INTERLEAVE +#ifdef DITHER1XBPP + DITHER_RGB +#endif + RGB_PACK16(pb_03, 1) + + YUV2RGB_ENDLOOP(2) + YUV2RGB_OPERANDS + YUV2RGB_ENDFUNC +} + +static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t *src[], + int srcStride[], + int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ + int y, h_size; + + YUV2RGB_LOOP(2) + +#ifdef DITHER1XBPP + c->blueDither = ff_dither8[y & 1]; + c->greenDither = ff_dither4[y & 1]; + c->redDither = ff_dither8[(y + 1) & 1]; +#endif + + YUV2RGB_INITIAL_LOAD + YUV2RGB + RGB_PACK_INTERLEAVE +#ifdef DITHER1XBPP + DITHER_RGB +#endif + RGB_PACK16(pb_07, 0) + + YUV2RGB_ENDLOOP(2) + YUV2RGB_OPERANDS + YUV2RGB_ENDFUNC +} + +#define RGB_PACK24(blue, red)\ + "packuswb %%mm3, %%mm0 \n" /* R0 R2 R4 R6 R1 R3 R5 R7 */\ + "packuswb %%mm5, %%mm1 \n" /* B0 B2 B4 B6 B1 B3 B5 B7 */\ + "packuswb %%mm7, %%mm2 \n" /* G0 G2 G4 G6 G1 G3 G5 G7 */\ + "movq %%mm"red", %%mm3 \n"\ + "movq %%mm"blue", %%mm6 \n"\ + "psrlq $32, %%mm"red" \n" /* R1 R3 R5 R7 */\ + "punpcklbw %%mm2, %%mm3 \n" /* R0 G0 R2 G2 R4 G4 R6 G6 */\ + "punpcklbw %%mm"red", %%mm6 \n" /* B0 R1 B2 R3 B4 R5 B6 R7 */\ + "movq %%mm3, %%mm5 \n"\ + "punpckhbw %%mm"blue", %%mm2 \n" /* G1 B1 G3 B3 G5 B5 G7 B7 */\ + "punpcklwd %%mm6, %%mm3 \n" /* R0 G0 B0 R1 R2 G2 B2 R3 */\ + "punpckhwd %%mm6, %%mm5 \n" /* R4 G4 B4 R5 R6 G6 B6 R7 */\ + RGB_PACK24_B + +#if HAVE_MMX2 +DECLARE_ASM_CONST(8, int16_t, mask1101[4]) = {-1,-1, 0,-1}; +DECLARE_ASM_CONST(8, int16_t, mask0010[4]) = { 0, 0,-1, 0}; +DECLARE_ASM_CONST(8, int16_t, mask0110[4]) = { 0,-1,-1, 0}; +DECLARE_ASM_CONST(8, int16_t, mask1001[4]) = {-1, 0, 0,-1}; +DECLARE_ASM_CONST(8, int16_t, mask0100[4]) = { 0,-1, 0, 0}; +#undef RGB_PACK24_B +#define RGB_PACK24_B\ + "pshufw $0xc6, %%mm2, %%mm1 \n"\ + "pshufw $0x84, %%mm3, %%mm6 \n"\ + "pshufw $0x38, %%mm5, %%mm7 \n"\ + "pand "MANGLE(mask1101)", %%mm6 \n" /* R0 G0 B0 R1 -- -- R2 G2 */\ + "movq %%mm1, %%mm0 \n"\ + "pand "MANGLE(mask0110)", %%mm7 \n" /* -- -- R6 G6 B6 R7 -- -- */\ + "movq %%mm1, %%mm2 \n"\ + "pand "MANGLE(mask0100)", %%mm1 \n" /* -- -- G3 B3 -- -- -- -- */\ + "psrlq $48, %%mm3 \n" /* B2 R3 -- -- -- -- -- -- */\ + "pand "MANGLE(mask0010)", %%mm0 \n" /* -- -- -- -- G1 B1 -- -- */\ + "psllq $32, %%mm5 \n" /* -- -- -- -- R4 G4 B4 R5 */\ + "pand "MANGLE(mask1001)", %%mm2 \n" /* G5 B5 -- -- -- -- G7 B7 */\ + "por %%mm3, %%mm1 \n"\ + "por %%mm6, %%mm0 \n"\ + "por %%mm5, %%mm1 \n"\ + "por %%mm7, %%mm2 \n"\ + MOVNTQ" %%mm0, (%1) \n"\ + MOVNTQ" %%mm1, 8(%1) \n"\ + MOVNTQ" %%mm2, 16(%1) \n"\ + +#else +#undef RGB_PACK24_B +#define RGB_PACK24_B\ + "movd %%mm3, (%1) \n" /* R0 G0 B0 R1 */\ + "movd %%mm2, 4(%1) \n" /* G1 B1 */\ + "psrlq $32, %%mm3 \n"\ + "psrlq $16, %%mm2 \n"\ + "movd %%mm3, 6(%1) \n" /* R2 G2 B2 R3 */\ + "movd %%mm2, 10(%1) \n" /* G3 B3 */\ + "psrlq $16, %%mm2 \n"\ + "movd %%mm5, 12(%1) \n" /* R4 G4 B4 R5 */\ + "movd %%mm2, 16(%1) \n" /* G5 B5 */\ + "psrlq $32, %%mm5 \n"\ + "movd %%mm2, 20(%1) \n" /* -- -- G7 B7 */\ + "movd %%mm5, 18(%1) \n" /* R6 G6 B6 R7 */\ + +#endif + +static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t *src[], + int srcStride[], + int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ + int y, h_size; + + YUV2RGB_LOOP(3) + + YUV2RGB_INITIAL_LOAD + YUV2RGB + RGB_PACK24(REG_BLUE, REG_RED) + + YUV2RGB_ENDLOOP(3) + YUV2RGB_OPERANDS + YUV2RGB_ENDFUNC +} + +static inline int RENAME(yuv420_bgr24)(SwsContext *c, const uint8_t *src[], + int srcStride[], + int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ + int y, h_size; + + YUV2RGB_LOOP(3) + + YUV2RGB_INITIAL_LOAD + YUV2RGB + RGB_PACK24(REG_RED, REG_BLUE) + + YUV2RGB_ENDLOOP(3) + YUV2RGB_OPERANDS + YUV2RGB_ENDFUNC +} + + +#define SET_EMPTY_ALPHA \ + "pcmpeqd %%mm"REG_ALPHA", %%mm"REG_ALPHA"\n\t" /* set alpha to 0xFF */ \ + +#define LOAD_ALPHA \ + "movq (%6, %0, 2), %%mm"REG_ALPHA"\n\t" \ + +#define RGB_PACK32(red, green, blue, alpha) \ + "movq %%mm"blue", %%mm5\n\t" \ + "movq %%mm"red", %%mm6\n\t" \ + "punpckhbw %%mm"green", %%mm5\n\t" \ + "punpcklbw %%mm"green", %%mm"blue"\n\t" \ + "punpckhbw %%mm"alpha", %%mm6\n\t" \ + "punpcklbw %%mm"alpha", %%mm"red"\n\t" \ + "movq %%mm"blue", %%mm"green"\n\t" \ + "movq %%mm5, %%mm"alpha"\n\t" \ + "punpcklwd %%mm"red", %%mm"blue"\n\t" \ + "punpckhwd %%mm"red", %%mm"green"\n\t" \ + "punpcklwd %%mm6, %%mm5\n\t" \ + "punpckhwd %%mm6, %%mm"alpha"\n\t" \ + MOVNTQ " %%mm"blue", 0(%1)\n\t" \ + MOVNTQ " %%mm"green", 8(%1)\n\t" \ + MOVNTQ " %%mm5, 16(%1)\n\t" \ + MOVNTQ " %%mm"alpha", 24(%1)\n\t" \ + +static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t *src[], + int srcStride[], + int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ + int y, h_size; + + YUV2RGB_LOOP(4) + + YUV2RGB_INITIAL_LOAD + YUV2RGB + RGB_PACK_INTERLEAVE + SET_EMPTY_ALPHA + RGB_PACK32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA) + + YUV2RGB_ENDLOOP(4) + YUV2RGB_OPERANDS + YUV2RGB_ENDFUNC +} + +static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t *src[], + int srcStride[], + int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ +#if HAVE_7REGS + int y, h_size; + + YUV2RGB_LOOP(4) + + const uint8_t *pa = src[3] + y * srcStride[3]; + YUV2RGB_INITIAL_LOAD + YUV2RGB + RGB_PACK_INTERLEAVE + LOAD_ALPHA + RGB_PACK32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA) + + YUV2RGB_ENDLOOP(4) + YUV2RGB_OPERANDS_ALPHA + YUV2RGB_ENDFUNC +#endif +} + +static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t *src[], + int srcStride[], + int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ + int y, h_size; + + YUV2RGB_LOOP(4) + + YUV2RGB_INITIAL_LOAD + YUV2RGB + RGB_PACK_INTERLEAVE + SET_EMPTY_ALPHA + RGB_PACK32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA) + + YUV2RGB_ENDLOOP(4) + YUV2RGB_OPERANDS + YUV2RGB_ENDFUNC +} + +static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t *src[], + int srcStride[], + int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) +{ +#if HAVE_7REGS + int y, h_size; + + YUV2RGB_LOOP(4) + + const uint8_t *pa = src[3] + y * srcStride[3]; + YUV2RGB_INITIAL_LOAD + YUV2RGB + RGB_PACK_INTERLEAVE + LOAD_ALPHA + RGB_PACK32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA) + + YUV2RGB_ENDLOOP(4) + YUV2RGB_OPERANDS_ALPHA + YUV2RGB_ENDFUNC +#endif +} -- cgit v1.2.3