diff options
Diffstat (limited to 'src/libmpeg2new/libmpeg2/idct_mmx.c')
| -rw-r--r-- | src/libmpeg2new/libmpeg2/idct_mmx.c | 814 |
1 files changed, 0 insertions, 814 deletions
diff --git a/src/libmpeg2new/libmpeg2/idct_mmx.c b/src/libmpeg2new/libmpeg2/idct_mmx.c deleted file mode 100644 index d5a5c08a4..000000000 --- a/src/libmpeg2new/libmpeg2/idct_mmx.c +++ /dev/null @@ -1,814 +0,0 @@ -/* - * idct_mmx.c - * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org> - * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> - * - * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. - * See http://libmpeg2.sourceforge.net/ for updates. - * - * 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 of the License, 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 this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "config.h" - -#ifdef ARCH_X86 - -#include <inttypes.h> - -#include "../include/mpeg2.h" -#include "../include/attributes.h" -#include "mpeg2_internal.h" -#include "../include/mmx.h" - -#define ROW_SHIFT 15 -#define COL_SHIFT 6 - -#define round(bias) ((int)(((bias)+0.5) * (1<<ROW_SHIFT))) -#define rounder(bias) {round (bias), round (bias)} - - -#if 0 -/* C row IDCT - its just here to document the MMXEXT and MMX versions */ -static inline void idct_row (int16_t * row, int offset, - int16_t * table, int32_t * rounder) -{ - int C1, C2, C3, C4, C5, C6, C7; - int a0, a1, a2, a3, b0, b1, b2, b3; - - row += offset; - - C1 = table[1]; - C2 = table[2]; - C3 = table[3]; - C4 = table[4]; - C5 = table[5]; - C6 = table[6]; - C7 = table[7]; - - a0 = C4*row[0] + C2*row[2] + C4*row[4] + C6*row[6] + *rounder; - a1 = C4*row[0] + C6*row[2] - C4*row[4] - C2*row[6] + *rounder; - a2 = C4*row[0] - C6*row[2] - C4*row[4] + C2*row[6] + *rounder; - a3 = C4*row[0] - C2*row[2] + C4*row[4] - C6*row[6] + *rounder; - - b0 = C1*row[1] + C3*row[3] + C5*row[5] + C7*row[7]; - b1 = C3*row[1] - C7*row[3] - C1*row[5] - C5*row[7]; - b2 = C5*row[1] - C1*row[3] + C7*row[5] + C3*row[7]; - b3 = C7*row[1] - C5*row[3] + C3*row[5] - C1*row[7]; - - row[0] = (a0 + b0) >> ROW_SHIFT; - row[1] = (a1 + b1) >> ROW_SHIFT; - row[2] = (a2 + b2) >> ROW_SHIFT; - row[3] = (a3 + b3) >> ROW_SHIFT; - row[4] = (a3 - b3) >> ROW_SHIFT; - row[5] = (a2 - b2) >> ROW_SHIFT; - row[6] = (a1 - b1) >> ROW_SHIFT; - row[7] = (a0 - b0) >> ROW_SHIFT; -} -#endif - - -/* MMXEXT row IDCT */ - -#define mmxext_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, -c4, -c2, \ - c4, c6, c4, c6, \ - c1, c3, -c1, -c5, \ - c5, c7, c3, -c7, \ - c4, -c6, c4, -c6, \ - -c4, c2, c4, -c2, \ - c5, -c1, c3, -c1, \ - c7, c3, c7, -c5 } - -static inline void mmxext_row_head (int16_t * const row, const int offset, - const int16_t * const table) -{ - movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */ - - movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */ - movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */ - - movq_m2r (*table, mm3); /* mm3 = -C2 -C4 C2 C4 */ - movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */ - - movq_m2r (*(table+4), mm4); /* mm4 = C6 C4 C6 C4 */ - pmaddwd_r2r (mm0, mm3); /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */ - - pshufw_r2r (mm2, mm2, 0x4e); /* mm2 = x2 x0 x6 x4 */ -} - -static inline void mmxext_row (const int16_t * const table, - const int32_t * const rounder) -{ - movq_m2r (*(table+8), mm1); /* mm1 = -C5 -C1 C3 C1 */ - pmaddwd_r2r (mm2, mm4); /* mm4 = C4*x0+C6*x2 C4*x4+C6*x6 */ - - pmaddwd_m2r (*(table+16), mm0); /* mm0 = C4*x4-C6*x6 C4*x0-C6*x2 */ - pshufw_r2r (mm6, mm6, 0x4e); /* mm6 = x3 x1 x7 x5 */ - - movq_m2r (*(table+12), mm7); /* mm7 = -C7 C3 C7 C5 */ - pmaddwd_r2r (mm5, mm1); /* mm1 = -C1*x5-C5*x7 C1*x1+C3*x3 */ - - paddd_m2r (*rounder, mm3); /* mm3 += rounder */ - pmaddwd_r2r (mm6, mm7); /* mm7 = C3*x1-C7*x3 C5*x5+C7*x7 */ - - pmaddwd_m2r (*(table+20), mm2); /* mm2 = C4*x0-C2*x2 -C4*x4+C2*x6 */ - paddd_r2r (mm4, mm3); /* mm3 = a1 a0 + rounder */ - - pmaddwd_m2r (*(table+24), mm5); /* mm5 = C3*x5-C1*x7 C5*x1-C1*x3 */ - movq_r2r (mm3, mm4); /* mm4 = a1 a0 + rounder */ - - pmaddwd_m2r (*(table+28), mm6); /* mm6 = C7*x1-C5*x3 C7*x5+C3*x7 */ - paddd_r2r (mm7, mm1); /* mm1 = b1 b0 */ - - paddd_m2r (*rounder, mm0); /* mm0 += rounder */ - psubd_r2r (mm1, mm3); /* mm3 = a1-b1 a0-b0 + rounder */ - - psrad_i2r (ROW_SHIFT, mm3); /* mm3 = y6 y7 */ - paddd_r2r (mm4, mm1); /* mm1 = a1+b1 a0+b0 + rounder */ - - paddd_r2r (mm2, mm0); /* mm0 = a3 a2 + rounder */ - psrad_i2r (ROW_SHIFT, mm1); /* mm1 = y1 y0 */ - - paddd_r2r (mm6, mm5); /* mm5 = b3 b2 */ - movq_r2r (mm0, mm4); /* mm4 = a3 a2 + rounder */ - - paddd_r2r (mm5, mm0); /* mm0 = a3+b3 a2+b2 + rounder */ - psubd_r2r (mm5, mm4); /* mm4 = a3-b3 a2-b2 + rounder */ -} - -static inline void mmxext_row_tail (int16_t * const row, const int store) -{ - psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */ - - psrad_i2r (ROW_SHIFT, mm4); /* mm4 = y4 y5 */ - - packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */ - - packssdw_r2r (mm3, mm4); /* mm4 = y6 y7 y4 y5 */ - - movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */ - pshufw_r2r (mm4, mm4, 0xb1); /* mm4 = y7 y6 y5 y4 */ - - /* slot */ - - movq_r2m (mm4, *(row+store+4)); /* save y7 y6 y5 y4 */ -} - -static inline void mmxext_row_mid (int16_t * const row, const int store, - const int offset, - const int16_t * const table) -{ - movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */ - psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */ - - movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */ - psrad_i2r (ROW_SHIFT, mm4); /* mm4 = y4 y5 */ - - packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */ - movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */ - - packssdw_r2r (mm3, mm4); /* mm4 = y6 y7 y4 y5 */ - movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */ - - movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */ - pshufw_r2r (mm4, mm4, 0xb1); /* mm4 = y7 y6 y5 y4 */ - - movq_m2r (*table, mm3); /* mm3 = -C2 -C4 C2 C4 */ - movq_r2m (mm4, *(row+store+4)); /* save y7 y6 y5 y4 */ - - pmaddwd_r2r (mm0, mm3); /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */ - - movq_m2r (*(table+4), mm4); /* mm4 = C6 C4 C6 C4 */ - pshufw_r2r (mm2, mm2, 0x4e); /* mm2 = x2 x0 x6 x4 */ -} - - -/* MMX row IDCT */ - -#define mmx_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \ - c4, c6, -c4, -c2, \ - c1, c3, c3, -c7, \ - c5, c7, -c1, -c5, \ - c4, -c6, c4, -c2, \ - -c4, c2, c4, -c6, \ - c5, -c1, c7, -c5, \ - c7, c3, c3, -c1 } - -static inline void mmx_row_head (int16_t * const row, const int offset, - const int16_t * const table) -{ - movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */ - - movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */ - movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */ - - movq_m2r (*table, mm3); /* mm3 = C6 C4 C2 C4 */ - movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */ - - punpckldq_r2r (mm0, mm0); /* mm0 = x2 x0 x2 x0 */ - - movq_m2r (*(table+4), mm4); /* mm4 = -C2 -C4 C6 C4 */ - pmaddwd_r2r (mm0, mm3); /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */ - - movq_m2r (*(table+8), mm1); /* mm1 = -C7 C3 C3 C1 */ - punpckhdq_r2r (mm2, mm2); /* mm2 = x6 x4 x6 x4 */ -} - -static inline void mmx_row (const int16_t * const table, - const int32_t * const rounder) -{ - pmaddwd_r2r (mm2, mm4); /* mm4 = -C4*x4-C2*x6 C4*x4+C6*x6 */ - punpckldq_r2r (mm5, mm5); /* mm5 = x3 x1 x3 x1 */ - - pmaddwd_m2r (*(table+16), mm0); /* mm0 = C4*x0-C2*x2 C4*x0-C6*x2 */ - punpckhdq_r2r (mm6, mm6); /* mm6 = x7 x5 x7 x5 */ - - movq_m2r (*(table+12), mm7); /* mm7 = -C5 -C1 C7 C5 */ - pmaddwd_r2r (mm5, mm1); /* mm1 = C3*x1-C7*x3 C1*x1+C3*x3 */ - - paddd_m2r (*rounder, mm3); /* mm3 += rounder */ - pmaddwd_r2r (mm6, mm7); /* mm7 = -C1*x5-C5*x7 C5*x5+C7*x7 */ - - pmaddwd_m2r (*(table+20), mm2); /* mm2 = C4*x4-C6*x6 -C4*x4+C2*x6 */ - paddd_r2r (mm4, mm3); /* mm3 = a1 a0 + rounder */ - - pmaddwd_m2r (*(table+24), mm5); /* mm5 = C7*x1-C5*x3 C5*x1-C1*x3 */ - movq_r2r (mm3, mm4); /* mm4 = a1 a0 + rounder */ - - pmaddwd_m2r (*(table+28), mm6); /* mm6 = C3*x5-C1*x7 C7*x5+C3*x7 */ - paddd_r2r (mm7, mm1); /* mm1 = b1 b0 */ - - paddd_m2r (*rounder, mm0); /* mm0 += rounder */ - psubd_r2r (mm1, mm3); /* mm3 = a1-b1 a0-b0 + rounder */ - - psrad_i2r (ROW_SHIFT, mm3); /* mm3 = y6 y7 */ - paddd_r2r (mm4, mm1); /* mm1 = a1+b1 a0+b0 + rounder */ - - paddd_r2r (mm2, mm0); /* mm0 = a3 a2 + rounder */ - psrad_i2r (ROW_SHIFT, mm1); /* mm1 = y1 y0 */ - - paddd_r2r (mm6, mm5); /* mm5 = b3 b2 */ - movq_r2r (mm0, mm7); /* mm7 = a3 a2 + rounder */ - - paddd_r2r (mm5, mm0); /* mm0 = a3+b3 a2+b2 + rounder */ - psubd_r2r (mm5, mm7); /* mm7 = a3-b3 a2-b2 + rounder */ -} - -static inline void mmx_row_tail (int16_t * const row, const int store) -{ - psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */ - - psrad_i2r (ROW_SHIFT, mm7); /* mm7 = y4 y5 */ - - packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */ - - packssdw_r2r (mm3, mm7); /* mm7 = y6 y7 y4 y5 */ - - movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */ - movq_r2r (mm7, mm4); /* mm4 = y6 y7 y4 y5 */ - - pslld_i2r (16, mm7); /* mm7 = y7 0 y5 0 */ - - psrld_i2r (16, mm4); /* mm4 = 0 y6 0 y4 */ - - por_r2r (mm4, mm7); /* mm7 = y7 y6 y5 y4 */ - - /* slot */ - - movq_r2m (mm7, *(row+store+4)); /* save y7 y6 y5 y4 */ -} - -static inline void mmx_row_mid (int16_t * const row, const int store, - const int offset, const int16_t * const table) -{ - movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */ - psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */ - - movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */ - psrad_i2r (ROW_SHIFT, mm7); /* mm7 = y4 y5 */ - - packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */ - movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */ - - packssdw_r2r (mm3, mm7); /* mm7 = y6 y7 y4 y5 */ - movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */ - - movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */ - movq_r2r (mm7, mm1); /* mm1 = y6 y7 y4 y5 */ - - punpckldq_r2r (mm0, mm0); /* mm0 = x2 x0 x2 x0 */ - psrld_i2r (16, mm7); /* mm7 = 0 y6 0 y4 */ - - movq_m2r (*table, mm3); /* mm3 = C6 C4 C2 C4 */ - pslld_i2r (16, mm1); /* mm1 = y7 0 y5 0 */ - - movq_m2r (*(table+4), mm4); /* mm4 = -C2 -C4 C6 C4 */ - por_r2r (mm1, mm7); /* mm7 = y7 y6 y5 y4 */ - - movq_m2r (*(table+8), mm1); /* mm1 = -C7 C3 C3 C1 */ - punpckhdq_r2r (mm2, mm2); /* mm2 = x6 x4 x6 x4 */ - - movq_r2m (mm7, *(row+store+4)); /* save y7 y6 y5 y4 */ - pmaddwd_r2r (mm0, mm3); /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */ -} - - -#if 0 -/* C column IDCT - its just here to document the MMXEXT and MMX versions */ -static inline void idct_col (int16_t * col, int offset) -{ -/* multiplication - as implemented on mmx */ -#define F(c,x) (((c) * (x)) >> 16) - -/* saturation - it helps us handle torture test cases */ -#define S(x) (((x)>32767) ? 32767 : ((x)<-32768) ? -32768 : (x)) - - int16_t x0, x1, x2, x3, x4, x5, x6, x7; - int16_t y0, y1, y2, y3, y4, y5, y6, y7; - int16_t a0, a1, a2, a3, b0, b1, b2, b3; - int16_t u04, v04, u26, v26, u17, v17, u35, v35, u12, v12; - - col += offset; - - x0 = col[0*8]; - x1 = col[1*8]; - x2 = col[2*8]; - x3 = col[3*8]; - x4 = col[4*8]; - x5 = col[5*8]; - x6 = col[6*8]; - x7 = col[7*8]; - - u04 = S (x0 + x4); - v04 = S (x0 - x4); - u26 = S (F (T2, x6) + x2); - v26 = S (F (T2, x2) - x6); - - a0 = S (u04 + u26); - a1 = S (v04 + v26); - a2 = S (v04 - v26); - a3 = S (u04 - u26); - - u17 = S (F (T1, x7) + x1); - v17 = S (F (T1, x1) - x7); - u35 = S (F (T3, x5) + x3); - v35 = S (F (T3, x3) - x5); - - b0 = S (u17 + u35); - b3 = S (v17 - v35); - u12 = S (u17 - u35); - v12 = S (v17 + v35); - u12 = S (2 * F (C4, u12)); - v12 = S (2 * F (C4, v12)); - b1 = S (u12 + v12); - b2 = S (u12 - v12); - - y0 = S (a0 + b0) >> COL_SHIFT; - y1 = S (a1 + b1) >> COL_SHIFT; - y2 = S (a2 + b2) >> COL_SHIFT; - y3 = S (a3 + b3) >> COL_SHIFT; - - y4 = S (a3 - b3) >> COL_SHIFT; - y5 = S (a2 - b2) >> COL_SHIFT; - y6 = S (a1 - b1) >> COL_SHIFT; - y7 = S (a0 - b0) >> COL_SHIFT; - - col[0*8] = y0; - col[1*8] = y1; - col[2*8] = y2; - col[3*8] = y3; - col[4*8] = y4; - col[5*8] = y5; - col[6*8] = y6; - col[7*8] = y7; -} -#endif - - -/* MMX column IDCT */ -static inline void idct_col (int16_t * const col, const int offset) -{ -#define T1 13036 -#define T2 27146 -#define T3 43790 -#define C4 23170 - - static const short _T1[] ATTR_ALIGN(8) = {T1,T1,T1,T1}; - static const short _T2[] ATTR_ALIGN(8) = {T2,T2,T2,T2}; - static const short _T3[] ATTR_ALIGN(8) = {T3,T3,T3,T3}; - static const short _C4[] ATTR_ALIGN(8) = {C4,C4,C4,C4}; - - /* column code adapted from peter gubanov */ - /* http://www.elecard.com/peter/idct.shtml */ - - movq_m2r (*_T1, mm0); /* mm0 = T1 */ - - movq_m2r (*(col+offset+1*8), mm1); /* mm1 = x1 */ - movq_r2r (mm0, mm2); /* mm2 = T1 */ - - movq_m2r (*(col+offset+7*8), mm4); /* mm4 = x7 */ - pmulhw_r2r (mm1, mm0); /* mm0 = T1*x1 */ - - movq_m2r (*_T3, mm5); /* mm5 = T3 */ - pmulhw_r2r (mm4, mm2); /* mm2 = T1*x7 */ - - movq_m2r (*(col+offset+5*8), mm6); /* mm6 = x5 */ - movq_r2r (mm5, mm7); /* mm7 = T3-1 */ - - movq_m2r (*(col+offset+3*8), mm3); /* mm3 = x3 */ - psubsw_r2r (mm4, mm0); /* mm0 = v17 */ - - movq_m2r (*_T2, mm4); /* mm4 = T2 */ - pmulhw_r2r (mm3, mm5); /* mm5 = (T3-1)*x3 */ - - paddsw_r2r (mm2, mm1); /* mm1 = u17 */ - pmulhw_r2r (mm6, mm7); /* mm7 = (T3-1)*x5 */ - - /* slot */ - - movq_r2r (mm4, mm2); /* mm2 = T2 */ - paddsw_r2r (mm3, mm5); /* mm5 = T3*x3 */ - - pmulhw_m2r (*(col+offset+2*8), mm4);/* mm4 = T2*x2 */ - paddsw_r2r (mm6, mm7); /* mm7 = T3*x5 */ - - psubsw_r2r (mm6, mm5); /* mm5 = v35 */ - paddsw_r2r (mm3, mm7); /* mm7 = u35 */ - - movq_m2r (*(col+offset+6*8), mm3); /* mm3 = x6 */ - movq_r2r (mm0, mm6); /* mm6 = v17 */ - - pmulhw_r2r (mm3, mm2); /* mm2 = T2*x6 */ - psubsw_r2r (mm5, mm0); /* mm0 = b3 */ - - psubsw_r2r (mm3, mm4); /* mm4 = v26 */ - paddsw_r2r (mm6, mm5); /* mm5 = v12 */ - - movq_r2m (mm0, *(col+offset+3*8)); /* save b3 in scratch0 */ - movq_r2r (mm1, mm6); /* mm6 = u17 */ - - paddsw_m2r (*(col+offset+2*8), mm2);/* mm2 = u26 */ - paddsw_r2r (mm7, mm6); /* mm6 = b0 */ - - psubsw_r2r (mm7, mm1); /* mm1 = u12 */ - movq_r2r (mm1, mm7); /* mm7 = u12 */ - - movq_m2r (*(col+offset+0*8), mm3); /* mm3 = x0 */ - paddsw_r2r (mm5, mm1); /* mm1 = u12+v12 */ - - movq_m2r (*_C4, mm0); /* mm0 = C4/2 */ - psubsw_r2r (mm5, mm7); /* mm7 = u12-v12 */ - - movq_r2m (mm6, *(col+offset+5*8)); /* save b0 in scratch1 */ - pmulhw_r2r (mm0, mm1); /* mm1 = b1/2 */ - - movq_r2r (mm4, mm6); /* mm6 = v26 */ - pmulhw_r2r (mm0, mm7); /* mm7 = b2/2 */ - - movq_m2r (*(col+offset+4*8), mm5); /* mm5 = x4 */ - movq_r2r (mm3, mm0); /* mm0 = x0 */ - - psubsw_r2r (mm5, mm3); /* mm3 = v04 */ - paddsw_r2r (mm5, mm0); /* mm0 = u04 */ - - paddsw_r2r (mm3, mm4); /* mm4 = a1 */ - movq_r2r (mm0, mm5); /* mm5 = u04 */ - - psubsw_r2r (mm6, mm3); /* mm3 = a2 */ - paddsw_r2r (mm2, mm5); /* mm5 = a0 */ - - paddsw_r2r (mm1, mm1); /* mm1 = b1 */ - psubsw_r2r (mm2, mm0); /* mm0 = a3 */ - - paddsw_r2r (mm7, mm7); /* mm7 = b2 */ - movq_r2r (mm3, mm2); /* mm2 = a2 */ - - movq_r2r (mm4, mm6); /* mm6 = a1 */ - paddsw_r2r (mm7, mm3); /* mm3 = a2+b2 */ - - psraw_i2r (COL_SHIFT, mm3); /* mm3 = y2 */ - paddsw_r2r (mm1, mm4); /* mm4 = a1+b1 */ - - psraw_i2r (COL_SHIFT, mm4); /* mm4 = y1 */ - psubsw_r2r (mm1, mm6); /* mm6 = a1-b1 */ - - movq_m2r (*(col+offset+5*8), mm1); /* mm1 = b0 */ - psubsw_r2r (mm7, mm2); /* mm2 = a2-b2 */ - - psraw_i2r (COL_SHIFT, mm6); /* mm6 = y6 */ - movq_r2r (mm5, mm7); /* mm7 = a0 */ - - movq_r2m (mm4, *(col+offset+1*8)); /* save y1 */ - psraw_i2r (COL_SHIFT, mm2); /* mm2 = y5 */ - - movq_r2m (mm3, *(col+offset+2*8)); /* save y2 */ - paddsw_r2r (mm1, mm5); /* mm5 = a0+b0 */ - - movq_m2r (*(col+offset+3*8), mm4); /* mm4 = b3 */ - psubsw_r2r (mm1, mm7); /* mm7 = a0-b0 */ - - psraw_i2r (COL_SHIFT, mm5); /* mm5 = y0 */ - movq_r2r (mm0, mm3); /* mm3 = a3 */ - - movq_r2m (mm2, *(col+offset+5*8)); /* save y5 */ - psubsw_r2r (mm4, mm3); /* mm3 = a3-b3 */ - - psraw_i2r (COL_SHIFT, mm7); /* mm7 = y7 */ - paddsw_r2r (mm0, mm4); /* mm4 = a3+b3 */ - - movq_r2m (mm5, *(col+offset+0*8)); /* save y0 */ - psraw_i2r (COL_SHIFT, mm3); /* mm3 = y4 */ - - movq_r2m (mm6, *(col+offset+6*8)); /* save y6 */ - psraw_i2r (COL_SHIFT, mm4); /* mm4 = y3 */ - - movq_r2m (mm7, *(col+offset+7*8)); /* save y7 */ - - movq_r2m (mm3, *(col+offset+4*8)); /* save y4 */ - - movq_r2m (mm4, *(col+offset+3*8)); /* save y3 */ -} - - -static const int32_t rounder0[] ATTR_ALIGN(8) = - rounder ((1 << (COL_SHIFT - 1)) - 0.5); -static const int32_t rounder4[] ATTR_ALIGN(8) = rounder (0); -static const int32_t rounder1[] ATTR_ALIGN(8) = - rounder (1.25683487303); /* C1*(C1/C4+C1+C7)/2 */ -static const int32_t rounder7[] ATTR_ALIGN(8) = - rounder (-0.25); /* C1*(C7/C4+C7-C1)/2 */ -static const int32_t rounder2[] ATTR_ALIGN(8) = - rounder (0.60355339059); /* C2 * (C6+C2)/2 */ -static const int32_t rounder6[] ATTR_ALIGN(8) = - rounder (-0.25); /* C2 * (C6-C2)/2 */ -static const int32_t rounder3[] ATTR_ALIGN(8) = - rounder (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */ -static const int32_t rounder5[] ATTR_ALIGN(8) = - rounder (-0.441341716183); /* C3*(-C5/C4+C5-C3)/2 */ - - -#define declare_idct(idct,table,idct_row_head,idct_row,idct_row_tail,idct_row_mid) \ -static inline void idct (int16_t * const block) \ -{ \ - static const int16_t table04[] ATTR_ALIGN(16) = \ - table (22725, 21407, 19266, 16384, 12873, 8867, 4520); \ - static const int16_t table17[] ATTR_ALIGN(16) = \ - table (31521, 29692, 26722, 22725, 17855, 12299, 6270); \ - static const int16_t table26[] ATTR_ALIGN(16) = \ - table (29692, 27969, 25172, 21407, 16819, 11585, 5906); \ - static const int16_t table35[] ATTR_ALIGN(16) = \ - table (26722, 25172, 22654, 19266, 15137, 10426, 5315); \ - \ - idct_row_head (block, 0*8, table04); \ - idct_row (table04, rounder0); \ - idct_row_mid (block, 0*8, 4*8, table04); \ - idct_row (table04, rounder4); \ - idct_row_mid (block, 4*8, 1*8, table17); \ - idct_row (table17, rounder1); \ - idct_row_mid (block, 1*8, 7*8, table17); \ - idct_row (table17, rounder7); \ - idct_row_mid (block, 7*8, 2*8, table26); \ - idct_row (table26, rounder2); \ - idct_row_mid (block, 2*8, 6*8, table26); \ - idct_row (table26, rounder6); \ - idct_row_mid (block, 6*8, 3*8, table35); \ - idct_row (table35, rounder3); \ - idct_row_mid (block, 3*8, 5*8, table35); \ - idct_row (table35, rounder5); \ - idct_row_tail (block, 5*8); \ - \ - idct_col (block, 0); \ - idct_col (block, 4); \ -} - - -#define COPY_MMX(offset,r0,r1,r2) \ -do { \ - movq_m2r (*(block+offset), r0); \ - dest += stride; \ - movq_m2r (*(block+offset+4), r1); \ - movq_r2m (r2, *dest); \ - packuswb_r2r (r1, r0); \ -} while (0) - -static inline void block_copy (int16_t * const block, uint8_t * dest, - const int stride) -{ - movq_m2r (*(block+0*8), mm0); - movq_m2r (*(block+0*8+4), mm1); - movq_m2r (*(block+1*8), mm2); - packuswb_r2r (mm1, mm0); - movq_m2r (*(block+1*8+4), mm3); - movq_r2m (mm0, *dest); - packuswb_r2r (mm3, mm2); - COPY_MMX (2*8, mm0, mm1, mm2); - COPY_MMX (3*8, mm2, mm3, mm0); - COPY_MMX (4*8, mm0, mm1, mm2); - COPY_MMX (5*8, mm2, mm3, mm0); - COPY_MMX (6*8, mm0, mm1, mm2); - COPY_MMX (7*8, mm2, mm3, mm0); - movq_r2m (mm2, *(dest+stride)); -} - - -#define ADD_MMX(offset,r1,r2,r3,r4) \ -do { \ - movq_m2r (*(dest+2*stride), r1); \ - packuswb_r2r (r4, r3); \ - movq_r2r (r1, r2); \ - dest += stride; \ - movq_r2m (r3, *dest); \ - punpcklbw_r2r (mm0, r1); \ - paddsw_m2r (*(block+offset), r1); \ - punpckhbw_r2r (mm0, r2); \ - paddsw_m2r (*(block+offset+4), r2); \ -} while (0) - -static inline void block_add (int16_t * const block, uint8_t * dest, - const int stride) -{ - movq_m2r (*dest, mm1); - pxor_r2r (mm0, mm0); - movq_m2r (*(dest+stride), mm3); - movq_r2r (mm1, mm2); - punpcklbw_r2r (mm0, mm1); - movq_r2r (mm3, mm4); - paddsw_m2r (*(block+0*8), mm1); - punpckhbw_r2r (mm0, mm2); - paddsw_m2r (*(block+0*8+4), mm2); - punpcklbw_r2r (mm0, mm3); - paddsw_m2r (*(block+1*8), mm3); - packuswb_r2r (mm2, mm1); - punpckhbw_r2r (mm0, mm4); - movq_r2m (mm1, *dest); - paddsw_m2r (*(block+1*8+4), mm4); - ADD_MMX (2*8, mm1, mm2, mm3, mm4); - ADD_MMX (3*8, mm3, mm4, mm1, mm2); - ADD_MMX (4*8, mm1, mm2, mm3, mm4); - ADD_MMX (5*8, mm3, mm4, mm1, mm2); - ADD_MMX (6*8, mm1, mm2, mm3, mm4); - ADD_MMX (7*8, mm3, mm4, mm1, mm2); - packuswb_r2r (mm4, mm3); - movq_r2m (mm3, *(dest+stride)); -} - - -static inline void block_zero (int16_t * const block) -{ - pxor_r2r (mm0, mm0); - movq_r2m (mm0, *(block+0*4)); - movq_r2m (mm0, *(block+1*4)); - movq_r2m (mm0, *(block+2*4)); - movq_r2m (mm0, *(block+3*4)); - movq_r2m (mm0, *(block+4*4)); - movq_r2m (mm0, *(block+5*4)); - movq_r2m (mm0, *(block+6*4)); - movq_r2m (mm0, *(block+7*4)); - movq_r2m (mm0, *(block+8*4)); - movq_r2m (mm0, *(block+9*4)); - movq_r2m (mm0, *(block+10*4)); - movq_r2m (mm0, *(block+11*4)); - movq_r2m (mm0, *(block+12*4)); - movq_r2m (mm0, *(block+13*4)); - movq_r2m (mm0, *(block+14*4)); - movq_r2m (mm0, *(block+15*4)); -} - - -#define CPU_MMXEXT 0 -#define CPU_MMX 1 - -#define dup4(reg) \ -do { \ - if (cpu != CPU_MMXEXT) { \ - punpcklwd_r2r (reg, reg); \ - punpckldq_r2r (reg, reg); \ - } else \ - pshufw_r2r (reg, reg, 0x00); \ -} while (0) - -static inline void block_add_DC (int16_t * const block, uint8_t * dest, - const int stride, const int cpu) -{ - movd_v2r ((block[0] + 64) >> 7, mm0); - pxor_r2r (mm1, mm1); - movq_m2r (*dest, mm2); - dup4 (mm0); - psubsw_r2r (mm0, mm1); - packuswb_r2r (mm0, mm0); - paddusb_r2r (mm0, mm2); - packuswb_r2r (mm1, mm1); - movq_m2r (*(dest + stride), mm3); - psubusb_r2r (mm1, mm2); - block[0] = 0; - paddusb_r2r (mm0, mm3); - movq_r2m (mm2, *dest); - psubusb_r2r (mm1, mm3); - movq_m2r (*(dest + 2*stride), mm2); - dest += stride; - movq_r2m (mm3, *dest); - paddusb_r2r (mm0, mm2); - movq_m2r (*(dest + 2*stride), mm3); - psubusb_r2r (mm1, mm2); - dest += stride; - paddusb_r2r (mm0, mm3); - movq_r2m (mm2, *dest); - psubusb_r2r (mm1, mm3); - movq_m2r (*(dest + 2*stride), mm2); - dest += stride; - movq_r2m (mm3, *dest); - paddusb_r2r (mm0, mm2); - movq_m2r (*(dest + 2*stride), mm3); - psubusb_r2r (mm1, mm2); - dest += stride; - paddusb_r2r (mm0, mm3); - movq_r2m (mm2, *dest); - psubusb_r2r (mm1, mm3); - movq_m2r (*(dest + 2*stride), mm2); - dest += stride; - movq_r2m (mm3, *dest); - paddusb_r2r (mm0, mm2); - movq_m2r (*(dest + 2*stride), mm3); - psubusb_r2r (mm1, mm2); - block[63] = 0; - paddusb_r2r (mm0, mm3); - movq_r2m (mm2, *(dest + stride)); - psubusb_r2r (mm1, mm3); - movq_r2m (mm3, *(dest + 2*stride)); -} - - -declare_idct (mmxext_idct, mmxext_table, - mmxext_row_head, mmxext_row, mmxext_row_tail, mmxext_row_mid) - -void mpeg2_idct_copy_mmxext (int16_t * const block, uint8_t * const dest, - const int stride) -{ - mmxext_idct (block); - block_copy (block, dest, stride); - block_zero (block); -} - -void mpeg2_idct_add_mmxext (const int last, int16_t * const block, - uint8_t * const dest, const int stride) -{ - if (last != 129 || (block[0] & (7 << 4)) == (4 << 4)) { - mmxext_idct (block); - block_add (block, dest, stride); - block_zero (block); - } else - block_add_DC (block, dest, stride, CPU_MMXEXT); -} - - -declare_idct (mmx_idct, mmx_table, - mmx_row_head, mmx_row, mmx_row_tail, mmx_row_mid) - -void mpeg2_idct_copy_mmx (int16_t * const block, uint8_t * const dest, - const int stride) -{ - mmx_idct (block); - block_copy (block, dest, stride); - block_zero (block); -} - -void mpeg2_idct_add_mmx (const int last, int16_t * const block, - uint8_t * const dest, const int stride) -{ - if (last != 129 || (block[0] & (7 << 4)) == (4 << 4)) { - mmx_idct (block); - block_add (block, dest, stride); - block_zero (block); - } else - block_add_DC (block, dest, stride, CPU_MMX); -} - - -void mpeg2_idct_mmx_init (void) -{ - extern uint8_t mpeg2_scan_norm[64]; - extern uint8_t mpeg2_scan_alt[64]; - int i, j; - - /* the mmx/mmxext idct uses a reordered input, so we patch scan tables */ - - for (i = 0; i < 64; i++) { - j = mpeg2_scan_norm[i]; - mpeg2_scan_norm[i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2); - j = mpeg2_scan_alt[i]; - mpeg2_scan_alt[i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2); - } -} - -#endif |