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Revision 1.19 - (view) (download)
| 1 : | edgomez | 1.9 | ;/**************************************************************************** |
| 2 : | Isibaar | 1.1 | ; * |
| 3 : | edgomez | 1.9 | ; * XVID MPEG-4 VIDEO CODEC |
| 4 : | ; * - MMX CBP computation - | ||
| 5 : | Isibaar | 1.1 | ; * |
| 6 : | Skal | 1.13 | ; * Copyright (C) 2005 Carlo Bramini <carlo.bramix@libero.it> |
| 7 : | ; * 2001-2003 Peter Ross <pross@xvid.org> | ||
| 8 : | edgomez | 1.9 | ; * 2002-2003 Pascal Massimino <skal@planet-d.net> |
| 9 : | edgomez | 1.8 | ; * |
| 10 : | edgomez | 1.9 | ; * This program is free software ; you can redistribute it and/or modify |
| 11 : | ; * it under the terms of the GNU General Public License as published by | ||
| 12 : | ; * the Free Software Foundation ; either version 2 of the License, or | ||
| 13 : | ; * (at your option) any later version. | ||
| 14 : | edgomez | 1.8 | ; * |
| 15 : | edgomez | 1.9 | ; * This program is distributed in the hope that it will be useful, |
| 16 : | ; * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
| 17 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 18 : | ; * GNU General Public License for more details. | ||
| 19 : | edgomez | 1.8 | ; * |
| 20 : | edgomez | 1.9 | ; * You should have received a copy of the GNU General Public License |
| 21 : | ; * along with this program ; if not, write to the Free Software | ||
| 22 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 23 : | Isibaar | 1.1 | ; * |
| 24 : | Isibaar | 1.19 | ; * $Id: cbp_mmx.asm,v 1.18 2008/12/04 14:41:50 Isibaar Exp $ |
| 25 : | Isibaar | 1.1 | ; * |
| 26 : | edgomez | 1.9 | ; ***************************************************************************/ |
| 27 : | edgomez | 1.8 | |
| 28 : | edgomez | 1.9 | ;============================================================================= |
| 29 : | ; Macros | ||
| 30 : | ;============================================================================= | ||
| 31 : | Isibaar | 1.1 | |
| 32 : | Isibaar | 1.17 | %include "nasm.inc" |
| 33 : | Isibaar | 1.1 | |
| 34 : | edgomez | 1.9 | ;============================================================================= |
| 35 : | ; Local data | ||
| 36 : | ;============================================================================= | ||
| 37 : | |||
| 38 : | Isibaar | 1.17 | DATA |
| 39 : | edgomez | 1.9 | |
| 40 : | Isibaar | 1.17 | ALIGN SECTION_ALIGN |
| 41 : | edgomez | 1.9 | |
| 42 : | Skal | 1.13 | mult_mask: |
| 43 : | db 0x10,0x20,0x04,0x08,0x01,0x02,0x00,0x00 | ||
| 44 : | edgomez | 1.9 | ignore_dc: |
| 45 : | Skal | 1.13 | dw 0, -1, -1, -1 |
| 46 : | edgomez | 1.9 | |
| 47 : | ;============================================================================= | ||
| 48 : | ; Code | ||
| 49 : | ;============================================================================= | ||
| 50 : | Isibaar | 1.1 | |
| 51 : | Isibaar | 1.18 | TEXT |
| 52 : | Isibaar | 1.1 | |
| 53 : | Isibaar | 1.5 | cglobal calc_cbp_mmx |
| 54 : | Isibaar | 1.1 | |
| 55 : | edgomez | 1.9 | ;----------------------------------------------------------------------------- |
| 56 : | Isibaar | 1.1 | ; uint32_t calc_cbp_mmx(const int16_t coeff[6][64]); |
| 57 : | edgomez | 1.9 | ;----------------------------------------------------------------------------- |
| 58 : | Isibaar | 1.1 | |
| 59 : | Isibaar | 1.17 | %macro MAKE_LOAD 2 |
| 60 : | por mm0, [%2-128*1+%1*8] | ||
| 61 : | por mm1, [%2+128*0+%1*8] | ||
| 62 : | por mm2, [%2+128*1+%1*8] | ||
| 63 : | por mm3, [%2+128*2+%1*8] | ||
| 64 : | por mm4, [%2+128*3+%1*8] | ||
| 65 : | por mm5, [%2+128*4+%1*8] | ||
| 66 : | Skal | 1.13 | %endmacro |
| 67 : | |||
| 68 : | Isibaar | 1.17 | ALIGN SECTION_ALIGN |
| 69 : | Isibaar | 1.5 | calc_cbp_mmx: |
| 70 : | Isibaar | 1.17 | mov _EAX, prm1 ; coeff |
| 71 : | Isibaar | 1.1 | |
| 72 : | edgomez | 1.9 | movq mm7, [ignore_dc] |
| 73 : | Skal | 1.13 | pxor mm6, mm6 ; used only for comparing |
| 74 : | Isibaar | 1.17 | movq mm0, [_EAX+128*0] |
| 75 : | movq mm1, [_EAX+128*1] | ||
| 76 : | movq mm2, [_EAX+128*2] | ||
| 77 : | movq mm3, [_EAX+128*3] | ||
| 78 : | movq mm4, [_EAX+128*4] | ||
| 79 : | movq mm5, [_EAX+128*5] | ||
| 80 : | add _EAX, 8+128 | ||
| 81 : | edgomez | 1.9 | pand mm0, mm7 |
| 82 : | Skal | 1.13 | pand mm1, mm7 |
| 83 : | pand mm2, mm7 | ||
| 84 : | pand mm3, mm7 | ||
| 85 : | pand mm4, mm7 | ||
| 86 : | pand mm5, mm7 | ||
| 87 : | |||
| 88 : | Isibaar | 1.17 | MAKE_LOAD 0, _EAX |
| 89 : | MAKE_LOAD 1, _EAX | ||
| 90 : | MAKE_LOAD 2, _EAX | ||
| 91 : | MAKE_LOAD 3, _EAX | ||
| 92 : | MAKE_LOAD 4, _EAX | ||
| 93 : | MAKE_LOAD 5, _EAX | ||
| 94 : | MAKE_LOAD 6, _EAX | ||
| 95 : | MAKE_LOAD 7, _EAX | ||
| 96 : | MAKE_LOAD 8, _EAX | ||
| 97 : | MAKE_LOAD 9, _EAX | ||
| 98 : | MAKE_LOAD 10, _EAX | ||
| 99 : | MAKE_LOAD 11, _EAX | ||
| 100 : | MAKE_LOAD 12, _EAX | ||
| 101 : | MAKE_LOAD 13, _EAX | ||
| 102 : | MAKE_LOAD 14, _EAX | ||
| 103 : | Skal | 1.13 | |
| 104 : | movq mm7, [mult_mask] | ||
| 105 : | packssdw mm0, mm1 | ||
| 106 : | packssdw mm2, mm3 | ||
| 107 : | packssdw mm4, mm5 | ||
| 108 : | packssdw mm0, mm2 | ||
| 109 : | packssdw mm4, mm6 | ||
| 110 : | suxen_drol | 1.14 | pcmpeqw mm0, mm6 |
| 111 : | pcmpeqw mm4, mm6 | ||
| 112 : | pcmpeqw mm0, mm6 | ||
| 113 : | pcmpeqw mm4, mm6 | ||
| 114 : | Skal | 1.13 | psrlw mm0, 15 |
| 115 : | psrlw mm4, 15 | ||
| 116 : | packuswb mm0, mm4 | ||
| 117 : | pmaddwd mm0, mm7 | ||
| 118 : | Isibaar | 1.5 | |
| 119 : | edgomez | 1.9 | movq mm1, mm0 |
| 120 : | psrlq mm1, 32 | ||
| 121 : | Skal | 1.13 | paddusb mm0, mm1 |
| 122 : | Isibaar | 1.1 | |
| 123 : | Skal | 1.13 | movd eax, mm0 |
| 124 : | Isibaar | 1.17 | shr _EAX, 8 |
| 125 : | and _EAX, 0x3F | ||
| 126 : | edgomez | 1.9 | ret |
| 127 : | Isibaar | 1.16 | ENDFUNC |
| 128 : | edgomez | 1.12 | |
| 129 : | Isibaar | 1.19 | NON_EXEC_STACK |
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