📄 output.c
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#include "../libmpeg3.h"#include "mpeg3video.h"#include <string.h>#define CLIP(x) ((x) >= 0 ? ((x) < 255 ? (x) : 255) : 0)#ifndef _MSC_VERstatic long long mpeg3_MMX_0 = 0L;#elsestatic __int64 mpeg3_MMX_0 = 0L;#endifstatic unsigned long mpeg3_MMX_10w[] = {0x00100010, 0x00100010}; /*dd 00010 0010h, 000100010h */static unsigned long mpeg3_MMX_80w[] = {0x00800080, 0x00800080}; /*dd 00080 0080h, 000800080h */static unsigned long mpeg3_MMX_00FFw[] = {0x00ff00ff, 0x00ff00ff}; /*dd 000FF 00FFh, 000FF00FFh */static unsigned short mpeg3_MMX_Ublucoeff[] = {0x81, 0x81, 0x81, 0x81}; /*dd 00081 0081h, 000810081h */static unsigned short mpeg3_MMX_Vredcoeff[] = {0x66, 0x66, 0x66, 0x66}; /*dd 00066 0066h, 000660066h */static unsigned short mpeg3_MMX_Ugrncoeff[] = {0xffe8, 0xffe8, 0xffe8, 0xffe8}; /*dd 0FFE7 FFE7h, 0FFE7FFE7h */static unsigned short mpeg3_MMX_Vgrncoeff[] = {0xffcd, 0xffcd, 0xffcd, 0xffcd}; /*dd 0FFCC FFCCh, 0FFCCFFCCh */static unsigned short mpeg3_MMX_Ycoeff[] = {0x4a, 0x4a, 0x4a, 0x4a}; /*dd 0004A 004Ah, 0004A004Ah */static unsigned short mpeg3_MMX_redmask[] = {0xf800, 0xf800, 0xf800, 0xf800}; /*dd 07c00 7c00h, 07c007c00h */static unsigned short mpeg3_MMX_grnmask[] = {0x7e0, 0x7e0, 0x7e0, 0x7e0}; /*dd 003e0 03e0h, 003e003e0h */static unsigned char mpeg3_601_to_rgb[256];/* Algorithm *//* r = (int)(*y + 1.371 * (*cr - 128)); *//* g = (int)(*y - 0.698 * (*cr - 128) - 0.336 * (*cb - 128)); *//* b = (int)(*y + 1.732 * (*cb - 128)); */#ifdef HAVE_MMXinline void mpeg3video_rgb16_mmx(unsigned char *lum, unsigned char *cr, unsigned char *cb, unsigned char *out, int rows, int cols, int mod){ unsigned short *row1; int x; unsigned char *y; int col1; row1 = (unsigned short *)out; col1 = cols + mod; mod += cols + mod; mod *= 2; y = lum + cols * rows; x = 0; __asm__ __volatile__( ".align 8\n" "1:\n" "movd (%1), %%mm0\n" /* 4 Cb 0 0 0 0 u3 u2 u1 u0 */ "pxor %%mm7, %%mm7\n" "movd (%0), %%mm1\n" /* 4 Cr 0 0 0 0 v3 v2 v1 v0 */ "punpcklbw %%mm7, %%mm0\n" /* 4 W cb 0 u3 0 u2 0 u1 0 u0 */ "punpcklbw %%mm7, %%mm1\n" /* 4 W cr 0 v3 0 v2 0 v1 0 v0 */ "psubw mpeg3_MMX_80w, %%mm0\n" "psubw mpeg3_MMX_80w, %%mm1\n" "movq %%mm0, %%mm2\n" /* Cb 0 u3 0 u2 0 u1 0 u0 */ "movq %%mm1, %%mm3\n" /* Cr */ "pmullw mpeg3_MMX_Ugrncoeff, %%mm2\n" /* Cb2green 0 R3 0 R2 0 R1 0 R0 */ "movq (%2), %%mm6\n" /* L1 l7 L6 L5 L4 L3 L2 L1 L0 */ "pmullw mpeg3_MMX_Ublucoeff, %%mm0\n" /* Cb2blue */ "pand mpeg3_MMX_00FFw, %%mm6\n" /* L1 00 L6 00 L4 00 L2 00 L0 */ "pmullw mpeg3_MMX_Vgrncoeff, %%mm3\n" /* Cr2green */ "movq (%2), %%mm7\n" /* L2 */ "pmullw mpeg3_MMX_Vredcoeff, %%mm1\n" /* Cr2red */ "psrlw $8, %%mm7\n" /* L2 00 L7 00 L5 00 L3 00 L1 */ "pmullw mpeg3_MMX_Ycoeff, %%mm6\n" /* lum1 */ "paddw %%mm3, %%mm2\n" /* Cb2green + Cr2green == green */ "pmullw mpeg3_MMX_Ycoeff, %%mm7\n" /* lum2 */ "movq %%mm6, %%mm4\n" /* lum1 */ "paddw %%mm0, %%mm6\n" /* lum1 +blue 00 B6 00 B4 00 B2 00 B0 */ "movq %%mm4, %%mm5\n" /* lum1 */ "paddw %%mm1, %%mm4\n" /* lum1 +red 00 R6 00 R4 00 R2 00 R0 */ "paddw %%mm2, %%mm5\n" /* lum1 +green 00 G6 00 G4 00 G2 00 G0 */ "psraw $6, %%mm4\n" /* R1 0 .. 64 */ "movq %%mm7, %%mm3\n" /* lum2 00 L7 00 L5 00 L3 00 L1 */ "psraw $6, %%mm5\n" /* G1 - .. + */ "paddw %%mm0, %%mm7\n" /* Lum2 +blue 00 B7 00 B5 00 B3 00 B1 */ "psraw $6, %%mm6\n" /* B1 0 .. 64 */ "packuswb %%mm4, %%mm4\n" /* R1 R1 */ "packuswb %%mm5, %%mm5\n" /* G1 G1 */ "packuswb %%mm6, %%mm6\n" /* B1 B1 */ "punpcklbw %%mm4, %%mm4\n" "punpcklbw %%mm5, %%mm5\n" "pand mpeg3_MMX_redmask, %%mm4\n" "psllw $3, %%mm5\n" /* GREEN 1 */ "punpcklbw %%mm6, %%mm6\n" "pand mpeg3_MMX_grnmask, %%mm5\n" "pand mpeg3_MMX_redmask, %%mm6\n" "por %%mm5, %%mm4\n" /* */ "psrlw $11, %%mm6\n" /* BLUE 1 */ "movq %%mm3, %%mm5\n" /* lum2 */ "paddw %%mm1, %%mm3\n" /* lum2 +red 00 R7 00 R5 00 R3 00 R1 */ "paddw %%mm2, %%mm5\n" /* lum2 +green 00 G7 00 G5 00 G3 00 G1 */ "psraw $6, %%mm3\n" /* R2 */ "por %%mm6, %%mm4\n" /* MM4 */ "psraw $6, %%mm5\n" /* G2 */ "movq (%2, %3), %%mm6\n" /* L3 */ "psraw $6, %%mm7\n" "packuswb %%mm3, %%mm3\n" "packuswb %%mm5, %%mm5\n" "packuswb %%mm7, %%mm7\n" "pand mpeg3_MMX_00FFw, %%mm6\n" /* L3 */ "punpcklbw %%mm3, %%mm3\n" "punpcklbw %%mm5, %%mm5\n" "pmullw mpeg3_MMX_Ycoeff, %%mm6\n" /* lum3 */ "punpcklbw %%mm7, %%mm7\n" "psllw $3, %%mm5\n" /* GREEN 2 */ "pand mpeg3_MMX_redmask, %%mm7\n" "pand mpeg3_MMX_redmask, %%mm3\n" "psrlw $11, %%mm7\n" /* BLUE 2 */ "pand mpeg3_MMX_grnmask, %%mm5\n" "por %%mm7, %%mm3\n" "movq (%2,%3), %%mm7\n" /* L4 */ "por %%mm5, %%mm3\n" /* */ "psrlw $8, %%mm7\n" /* L4 */ "movq %%mm4, %%mm5\n" "punpcklwd %%mm3, %%mm4\n" "pmullw mpeg3_MMX_Ycoeff, %%mm7\n" /* lum4 */ "punpckhwd %%mm3, %%mm5\n" "movq %%mm4, (%4)\n" "movq %%mm5, 8(%4)\n" "movq %%mm6, %%mm4\n" /* Lum3 */ "paddw %%mm0, %%mm6\n" /* Lum3 +blue */ "movq %%mm4, %%mm5\n" /* Lum3 */ "paddw %%mm1, %%mm4\n" /* Lum3 +red */ "paddw %%mm2, %%mm5\n" /* Lum3 +green */ "psraw $6, %%mm4\n" "movq %%mm7, %%mm3\n" /* Lum4 */ "psraw $6, %%mm5\n" "paddw %%mm0, %%mm7\n" /* Lum4 +blue */ "psraw $6, %%mm6\n" /* Lum3 +blue */ "movq %%mm3, %%mm0\n" /* Lum4 */ "packuswb %%mm4, %%mm4\n" "paddw %%mm1, %%mm3\n" /* Lum4 +red */ "packuswb %%mm5, %%mm5\n" "paddw %%mm2, %%mm0\n" /* Lum4 +green */ "packuswb %%mm6, %%mm6\n" "punpcklbw %%mm4, %%mm4\n" "punpcklbw %%mm5, %%mm5\n" "punpcklbw %%mm6, %%mm6\n" "psllw $3, %%mm5\n" /* GREEN 3 */ "pand mpeg3_MMX_redmask, %%mm4\n" "psraw $6, %%mm3\n" /* psr 6 */ "psraw $6, %%mm0\n" "pand mpeg3_MMX_redmask, %%mm6\n" /* BLUE */ "pand mpeg3_MMX_grnmask, %%mm5\n" "psrlw $11, %%mm6\n" /* BLUE 3 */ "por %%mm5, %%mm4\n" "psraw $6, %%mm7\n" "por %%mm6, %%mm4\n" "packuswb %%mm3, %%mm3\n" "packuswb %%mm0, %%mm0\n" "packuswb %%mm7, %%mm7\n" "punpcklbw %%mm3, %%mm3\n" "punpcklbw %%mm0, %%mm0\n" "punpcklbw %%mm7, %%mm7\n" "pand mpeg3_MMX_redmask, %%mm3\n" "pand mpeg3_MMX_redmask, %%mm7\n" /* BLUE */ "psllw $3, %%mm0\n" /* GREEN 4 */ "psrlw $11, %%mm7\n" "pand mpeg3_MMX_grnmask, %%mm0\n" "por %%mm7, %%mm3\n" "addl $8, %6\n" "por %%mm0, %%mm3\n" "movq %%mm4, %%mm5\n" "punpcklwd %%mm3, %%mm4\n" "punpckhwd %%mm3, %%mm5\n" "movq %%mm4, (%4,%5,2)\n" "movq %%mm5, 8(%4,%5,2)\n" "addl $8, %2\n" "addl $4, %0\n" "addl $4, %1\n" "cmpl %3, %6\n" "leal 16(%4), %4\n" "jl 1b\n" "addl %3, %2\n" /* lum += cols */ "addl %7, %4\n" /* row1 += mod */ "movl $0, %6\n" "cmpl %8, %2\n" "jl 1b\n" : : "r" (cr), "r" (cb), "r" (lum), "r" (cols), "r" (row1) , "r" (col1), "m" (x), "m" (mod), "m" (y) );}static unsigned long long mpeg3_MMX_U_80 = 0x0000008000800000;static unsigned long long mpeg3_MMX_V_80 = 0x0000000000800080;static long long mpeg3_MMX_U_COEF = 0x00000058ffd30000;static long long mpeg3_MMX_V_COEF = 0x00000000ffea006f;static long long mpeg3_MMX_601_Y_COEF = 0x0000004800480048;static long long mpeg3_MMX_601_Y_DIFF = 0x0000000000000010;inline void mpeg3_bgra32_mmx(unsigned long y, unsigned long u, unsigned long v, unsigned long *output){asm(/* Output will be 0x00rrggbb with the 00 trailing so this can also be used *//* for bgr24. */ "movd (%0), %%mm0;\n" /* Load y 0x00000000000000yy */ "movd (%1), %%mm1;\n" /* Load u 0x00000000000000cr */ "movq %%mm0, %%mm3;\n" /* Copy y to temp */ "psllq $16, %%mm1;\n" /* Shift u 0x0000000000cr0000 */ "movd (%2), %%mm2;\n" /* Load v 0x00000000000000cb */ "psllq $16, %%mm3;\n" /* Shift y */ "movq %%mm1, %%mm4;\n" /* Copy u to temp */ "por %%mm3, %%mm0;\n" /* Overlay new y byte 0x0000000000yy00yy */ "psllq $16, %%mm4;\n" /* Shift u */ "movq %%mm2, %%mm5;\n" /* Copy v to temp */ "psllq $16, %%mm3;\n" /* Shift y */ "por %%mm4, %%mm1;\n" /* Overlay new u byte 0x000000cr00cr0000 */ "psllq $16, %%mm5;\n" /* Shift v */ "por %%mm3, %%mm0;\n" /* Overlay new y byte 0x000000yy00yy00yy */ "por %%mm5, %%mm2;\n" /* Overlay new v byte 0x0000000000cb00cb *//* mm0: 0x000000yy00yy00yy mm1: 0x000000uu00uu0000 mm2: 0x0000000000vv00vv */ "psubw mpeg3_MMX_U_80, %%mm1;\n" /* Subtract 128 from u 0x000000uu00uu0000 */ "pmullw mpeg3_MMX_U_COEF, %%mm1;\n" /* Multiply u coeffs 0x0000uuuuuuuu0000 */ "psllw $6, %%mm0;\n" /* Shift y coeffs 0x0000yyy0yyy0yyy0 */ "psubw mpeg3_MMX_V_80, %%mm2;\n" /* Subtract 128 from v 0x0000000000cb00cb */ "pmullw mpeg3_MMX_V_COEF, %%mm2;\n" /* Multiply v coeffs 0x0000crcrcrcrcrcr *//* mm0: 0x000000yy00yy00yy mm1: 0x0000uuuuuuuu0000 mm2: 0x00000000vvvvvvvv */ "paddsw %%mm1, %%mm0;\n" /* Add u to result */ "paddsw %%mm2, %%mm0;\n" /* Add v to result 0x0000rrrrggggbbbb */ "psraw $6, %%mm0;\n" /* Demote precision */ "packuswb %%mm0, %%mm0;\n" /* Pack into ARGB 0x0000000000rrggbb */ "movd %%mm0, (%3);\n" /* Store output */:: "r" (&y), "r" (&u), "r" (&v), "r" (output));}inline void mpeg3_601_bgra32_mmx(unsigned long y, unsigned long u, unsigned long v, unsigned long *output){asm(/* Output will be 0x00rrggbb with the 00 trailing so this can also be used *//* for bgr24. */ "movd (%0), %%mm0;\n" /* Load y 0x00000000000000yy */ "psubsw mpeg3_MMX_601_Y_DIFF, %%mm0;\n" /* Subtract 16 from y */ "movd (%1), %%mm1;\n" /* Load u 0x00000000000000cr */ "movq %%mm0, %%mm3;\n" /* Copy y to temp */ "psllq $16, %%mm1;\n" /* Shift u 0x0000000000cr0000 */ "movd (%2), %%mm2;\n" /* Load v 0x00000000000000cb */ "psllq $16, %%mm3;\n" /* Shift y */ "movq %%mm1, %%mm4;\n" /* Copy u to temp */ "por %%mm3, %%mm0;\n" /* Overlay new y byte 0x0000000000yy00yy */ "psllq $16, %%mm4;\n" /* Shift u */ "movq %%mm2, %%mm5;\n" /* Copy v to temp */ "psllq $16, %%mm3;\n" /* Shift y */ "por %%mm4, %%mm1;\n" /* Overlay new u byte 0x000000cr00cr0000 */ "psllq $16, %%mm5;\n" /* Shift v */ "por %%mm3, %%mm0;\n" /* Overlay new y byte 0x000000yy00yy00yy */ "por %%mm5, %%mm2;\n" /* Overlay new v byte 0x0000000000cb00cb *//* mm0: 0x000000yy00yy00yy mm1: 0x000000uu00uu0000 mm2: 0x0000000000vv00vv */ "pmullw mpeg3_MMX_601_Y_COEF, %%mm0;\n" /* Scale and shift y coeffs */ "psubw mpeg3_MMX_U_80, %%mm1;\n" /* Subtract 128 from u 0x000000uu00uu0000 */ "pmullw mpeg3_MMX_U_COEF, %%mm1;\n" /* Multiply u coeffs 0x0000uuuuuuuu0000 */ "psubw mpeg3_MMX_V_80, %%mm2;\n" /* Subtract 128 from v 0x0000000000cb00cb */ "pmullw mpeg3_MMX_V_COEF, %%mm2;\n" /* Multiply v coeffs 0x0000crcrcrcrcrcr *//* mm0: 0x000000yy00yy00yy mm1: 0x0000uuuuuuuu0000 mm2: 0x00000000vvvvvvvv */ "paddsw %%mm1, %%mm0;\n" /* Add u to result */ "paddsw %%mm2, %%mm0;\n" /* Add v to result 0x0000rrrrggggbbbb */ "psraw $6, %%mm0;\n" /* Demote precision */ "packuswb %%mm0, %%mm0;\n" /* Pack into ARGB 0x0000000000rrggbb */ "movd %%mm0, (%3);\n" /* Store output */:: "r" (&y), "r" (&u), "r" (&v), "r" (output));}static unsigned long long mpeg3_MMX_U_80_RGB = 0x0000000000800080;static unsigned long long mpeg3_MMX_V_80_RGB = 0x0000008000800000;static long long mpeg3_MMX_U_COEF_RGB = 0x00000000ffd30058;static long long mpeg3_MMX_V_COEF_RGB = 0x0000006fffea0000;inline void mpeg3_rgba32_mmx(unsigned long y, unsigned long u, unsigned long v, unsigned long *output){asm(/* Output will be 0x00bbggrr with the 00 trailing so this can also be used *//* for rgb24. */ "movd (%0), %%mm0;\n" /* Load y 0x00000000000000yy */ "movd (%1), %%mm1;\n" /* Load v 0x00000000000000vv */ "movq %%mm0, %%mm3;\n" /* Copy y to temp */ "psllq $16, %%mm1;\n" /* Shift v 0x0000000000vv0000 */ "movd (%2), %%mm2;\n" /* Load u 0x00000000000000uu */ "psllq $16, %%mm3;\n" /* Shift y */ "movq %%mm1, %%mm4;\n" /* Copy v to temp */ "por %%mm3, %%mm0;\n" /* Overlay new y byte 0x0000000000yy00yy */ "psllq $16, %%mm4;\n" /* Shift v */ "movq %%mm2, %%mm5;\n" /* Copy u to temp */ "psllq $16, %%mm3;\n" /* Shift y */ "por %%mm4, %%mm1;\n" /* Overlay new v byte 0x000000vv00vv0000 */ "psllq $16, %%mm5;\n" /* Shift u */ "por %%mm3, %%mm0;\n" /* Overlay new y byte 0x000000yy00yy00yy */ "por %%mm5, %%mm2;\n" /* Overlay new u byte 0x0000000000uu00uu *//* mm0: 0x000000yy00yy00yy mm1: 0x000000vv00vv0000 mm2: 0x0000000000uu00uu */ "psubw mpeg3_MMX_V_80_RGB, %%mm1;\n" /* Subtract 128 from v 0x000000vv00vv0000 */ "pmullw mpeg3_MMX_V_COEF_RGB, %%mm1;\n" /* Multiply v coeffs 0x0000vvvvvvvv0000 */ "psllw $6, %%mm0;\n" /* Shift y coeffs 0x0000yyy0yyy0yyy0 */ "psubw mpeg3_MMX_U_80_RGB, %%mm2;\n" /* Subtract 128 from u 0x0000000000uu00uu */ "pmullw mpeg3_MMX_U_COEF_RGB, %%mm2;\n" /* Multiply u coeffs 0x0000uuuuuuuuuuuu *//* mm0: 0x000000yy00yy00yy mm1: 0x0000vvvvvvvv0000 mm2: 0x00000000uuuuuuuu */ "paddsw %%mm1, %%mm0;\n" /* Add v to result */ "paddsw %%mm2, %%mm0;\n" /* Add u to result 0x0000bbbbggggrrrr */ "psraw $6, %%mm0;\n" /* Demote precision */ "packuswb %%mm0, %%mm0;\n" /* Pack into RGBA 0x0000000000bbggrr */ "movd %%mm0, (%3);\n" /* Store output */:: "r" (&y), "r" (&v), "r" (&u), "r" (output));}inline void mpeg3_601_rgba32_mmx(unsigned long y, unsigned long u, unsigned long v, unsigned long *output){asm(/* Output will be 0x00bbggrr with the 00 trailing so this can also be used *//* for rgb24. */⌨️ 快捷键说明
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