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;/****************************************************************************** |
;/************************************************************************** |
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; * * |
; * |
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; * This file is part of XviD, a free MPEG-4 video encoder/decoder * |
; * XVID MPEG-4 VIDEO CODEC |
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; * * |
; * - 3dne Quantization/Dequantization - |
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; * XviD is an implementation of a part of one or more MPEG-4 Video tools * |
; * |
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; * as specified in ISO/IEC 14496-2 standard. Those intending to use this * |
; * Copyright (C) 2002-2003 Peter Ross <pross@xvid.org> |
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; * software module in hardware or software products are advised that its * |
; * 2002-2003 Michael Militzer <isibaar@xvid.org> |
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; * use may infringe existing patents or copyrights, and any such use * |
; * 2002-2003 Pascal Massimino <skal@planet-d.net> |
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; * would be at such party's own risk. The original developer of this * |
; * |
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; * software module and his/her company, and subsequent editors and their * |
; * This program is free software ; you can redistribute it and/or modify |
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; * companies, will have no liability for use of this software or * |
; * it under the terms of the GNU General Public License as published by |
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; * modifications or derivatives thereof. * |
; * the Free Software Foundation ; either version 2 of the License, or |
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; * * |
; * (at your option) any later version. |
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; * XviD is free software; you can redistribute it and/or modify it * |
; * |
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; * under the terms of the GNU General Public License as published by * |
; * This program is distributed in the hope that it will be useful, |
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; * the Free Software Foundation; either version 2 of the License, or * |
; * but WITHOUT ANY WARRANTY ; without even the implied warranty of |
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; * (at your option) any later version. * |
; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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; * * |
; * GNU General Public License for more details. |
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; * XviD is distributed in the hope that it will be useful, but * |
; * |
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; * WITHOUT ANY WARRANTY; without even the implied warranty of * |
; * You should have received a copy of the GNU General Public License |
21 |
; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
; * along with this program ; if not, write to the Free Software |
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; * GNU General Public License for more details. * |
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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; * * |
; * |
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; * You should have received a copy of the GNU General Public License * |
; * $Id$ |
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; * along with this program; if not, write to the Free Software * |
; * |
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; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
; *************************************************************************/ |
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; * * |
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; ******************************************************************************/ |
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; |
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;/****************************************************************************** |
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; * * |
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; * quantize4.asm, MMX optimized MPEG quantization/dequantization * |
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; * * |
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; * Copyright (C) 2002 - Peter Ross <pross@cs.rmit.edu.au> * |
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; * Copyright (C) 2002 - Michael Militzer <isibaar@xvid.org> * |
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; * * |
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; * For more information visit the XviD homepage: http://www.xvid.org * |
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; * * |
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; ******************************************************************************/ |
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; |
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;/****************************************************************************** |
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; * * |
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; * Revision history: * |
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; * * |
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; * 14.06.2002 mmx dequant4_* funcs revamped -Skal- * |
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; * 22.01.2002 initial version * |
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; * * |
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; ******************************************************************************/ |
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; data/text alignment |
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%define ALIGN 8 |
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27 |
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28 |
%define SATURATE |
%define SATURATE |
29 |
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30 |
bits 32 |
BITS 32 |
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%ifdef FORMAT_COFF |
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SECTION .data data |
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%else |
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SECTION .data data align=8 |
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%endif |
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31 |
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32 |
%macro cglobal 1 |
%macro cglobal 1 |
33 |
%ifdef PREFIX |
%ifdef PREFIX |
34 |
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%ifdef MARK_FUNCS |
35 |
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global _%1:function %1.endfunc-%1 |
36 |
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%define %1 _%1:function %1.endfunc-%1 |
37 |
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%else |
38 |
global _%1 |
global _%1 |
39 |
%define %1 _%1 |
%define %1 _%1 |
40 |
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%endif |
41 |
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%else |
42 |
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%ifdef MARK_FUNCS |
43 |
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global %1:function %1.endfunc-%1 |
44 |
%else |
%else |
45 |
global %1 |
global %1 |
46 |
%endif |
%endif |
47 |
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%endif |
48 |
%endmacro |
%endmacro |
49 |
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50 |
%macro cextern 1 |
%macro cextern 1 |
56 |
%endif |
%endif |
57 |
%endmacro |
%endmacro |
58 |
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59 |
mmx_one times 4 dw 1 |
;============================================================================= |
60 |
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; Local data (Read Only) |
61 |
;=========================================================================== |
;============================================================================= |
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; |
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; divide by 2Q table |
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; |
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;=========================================================================== |
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%macro MMX_DIV 1 |
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times 4 dw (1 << 17) / (%1 * 2) + 1 |
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%endmacro |
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align ALIGN |
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mmx_div |
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MMX_DIV 1 |
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MMX_DIV 2 |
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MMX_DIV 3 |
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MMX_DIV 4 |
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MMX_DIV 5 |
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MMX_DIV 6 |
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MMX_DIV 7 |
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MMX_DIV 8 |
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MMX_DIV 9 |
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MMX_DIV 10 |
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MMX_DIV 11 |
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MMX_DIV 12 |
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MMX_DIV 13 |
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MMX_DIV 14 |
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MMX_DIV 15 |
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MMX_DIV 16 |
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MMX_DIV 17 |
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MMX_DIV 18 |
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MMX_DIV 19 |
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MMX_DIV 20 |
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MMX_DIV 21 |
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MMX_DIV 22 |
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MMX_DIV 23 |
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MMX_DIV 24 |
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MMX_DIV 25 |
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MMX_DIV 26 |
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MMX_DIV 27 |
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MMX_DIV 28 |
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MMX_DIV 29 |
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MMX_DIV 30 |
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MMX_DIV 31 |
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62 |
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63 |
;=========================================================================== |
%ifdef FORMAT_COFF |
64 |
; |
SECTION .rodata |
65 |
; intra matrix |
%else |
66 |
; |
SECTION .rodata align=16 |
67 |
;=========================================================================== |
%endif |
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cextern intra_matrix |
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cextern intra_matrix_fix |
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68 |
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69 |
;=========================================================================== |
mmx_one: |
70 |
; |
times 4 dw 1 |
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; inter matrix |
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; |
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;=========================================================================== |
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71 |
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72 |
cextern inter_matrix |
;----------------------------------------------------------------------------- |
73 |
cextern inter_matrix_fix |
; divide by 2Q table |
74 |
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;----------------------------------------------------------------------------- |
75 |
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76 |
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ALIGN 16 |
77 |
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mmx_div: |
78 |
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times 4 dw 65535 ; the div by 2 formula will overflow for the case |
79 |
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; quant=1 but we don't care much because quant=1 |
80 |
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; is handled by a different piece of code that |
81 |
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; doesn't use this table. |
82 |
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%assign quant 2 |
83 |
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%rep 30 |
84 |
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times 4 dw (1<<17) / (quant*2) + 1 |
85 |
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%assign quant quant+1 |
86 |
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%endrep |
87 |
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88 |
%define VM18P 3 |
%define VM18P 3 |
89 |
%define VM18Q 4 |
%define VM18Q 4 |
90 |
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91 |
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92 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
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; |
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93 |
; quantd table |
; quantd table |
94 |
; |
;----------------------------------------------------------------------------- |
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;=========================================================================== |
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%macro MMX_QUANTD 1 |
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times 4 dw ((VM18P*%1) + (VM18Q/2)) / VM18Q |
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%endmacro |
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quantd |
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MMX_QUANTD 1 |
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MMX_QUANTD 2 |
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MMX_QUANTD 3 |
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MMX_QUANTD 4 |
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MMX_QUANTD 5 |
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MMX_QUANTD 6 |
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MMX_QUANTD 7 |
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MMX_QUANTD 8 |
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MMX_QUANTD 9 |
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MMX_QUANTD 10 |
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MMX_QUANTD 11 |
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MMX_QUANTD 12 |
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MMX_QUANTD 13 |
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MMX_QUANTD 14 |
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MMX_QUANTD 15 |
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MMX_QUANTD 16 |
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MMX_QUANTD 17 |
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MMX_QUANTD 18 |
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MMX_QUANTD 19 |
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MMX_QUANTD 20 |
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MMX_QUANTD 21 |
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MMX_QUANTD 22 |
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MMX_QUANTD 23 |
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MMX_QUANTD 24 |
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MMX_QUANTD 25 |
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MMX_QUANTD 26 |
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MMX_QUANTD 27 |
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MMX_QUANTD 28 |
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MMX_QUANTD 29 |
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MMX_QUANTD 30 |
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MMX_QUANTD 31 |
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95 |
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96 |
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quantd: |
97 |
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%assign quant 1 |
98 |
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%rep 31 |
99 |
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times 4 dw ((VM18P*quant) + (VM18Q/2)) / VM18Q |
100 |
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%assign quant quant+1 |
101 |
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%endrep |
102 |
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103 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
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; |
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104 |
; multiple by 2Q table |
; multiple by 2Q table |
105 |
; |
;----------------------------------------------------------------------------- |
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;=========================================================================== |
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106 |
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107 |
%macro MMX_MUL_QUANT 1 |
mmx_mul_quant: |
108 |
times 4 dw %1 |
%assign quant 1 |
109 |
%endmacro |
%rep 31 |
110 |
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times 4 dw quant |
111 |
mmx_mul_quant |
%assign quant quant+1 |
112 |
MMX_MUL_QUANT 1 |
%endrep |
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MMX_MUL_QUANT 2 |
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MMX_MUL_QUANT 3 |
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MMX_MUL_QUANT 4 |
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MMX_MUL_QUANT 5 |
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MMX_MUL_QUANT 6 |
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MMX_MUL_QUANT 7 |
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MMX_MUL_QUANT 8 |
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MMX_MUL_QUANT 9 |
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MMX_MUL_QUANT 10 |
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MMX_MUL_QUANT 11 |
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MMX_MUL_QUANT 12 |
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MMX_MUL_QUANT 13 |
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MMX_MUL_QUANT 14 |
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MMX_MUL_QUANT 15 |
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MMX_MUL_QUANT 16 |
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MMX_MUL_QUANT 17 |
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MMX_MUL_QUANT 18 |
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MMX_MUL_QUANT 19 |
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MMX_MUL_QUANT 20 |
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MMX_MUL_QUANT 21 |
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MMX_MUL_QUANT 22 |
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MMX_MUL_QUANT 23 |
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MMX_MUL_QUANT 24 |
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MMX_MUL_QUANT 25 |
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MMX_MUL_QUANT 26 |
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MMX_MUL_QUANT 27 |
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MMX_MUL_QUANT 28 |
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MMX_MUL_QUANT 29 |
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MMX_MUL_QUANT 30 |
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MMX_MUL_QUANT 31 |
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113 |
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114 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
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; |
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115 |
; saturation limits |
; saturation limits |
116 |
; |
;----------------------------------------------------------------------------- |
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;=========================================================================== |
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117 |
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118 |
align 16 |
ALIGN 16 |
119 |
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120 |
mmx_32767_minus_2047 times 4 dw (32767-2047) |
mmx_32767_minus_2047: |
121 |
mmx_32768_minus_2048 times 4 dw (32768-2048) |
times 4 dw (32767-2047) |
122 |
mmx_2047 times 4 dw 2047 |
mmx_32768_minus_2048: |
123 |
mmx_minus_2048 times 4 dw (-2048) |
times 4 dw (32768-2048) |
124 |
zero times 4 dw 0 |
mmx_2047: |
125 |
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times 4 dw 2047 |
126 |
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mmx_minus_2048: |
127 |
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times 4 dw (-2048) |
128 |
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zero: |
129 |
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times 4 dw 0 |
130 |
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131 |
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;============================================================================= |
132 |
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; Code |
133 |
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;============================================================================= |
134 |
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135 |
section .text |
SECTION .text |
136 |
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137 |
;=========================================================================== |
cglobal quant_mpeg_intra_mmx |
138 |
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cglobal quant_mpeg_inter_mmx |
139 |
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cglobal dequant_mpeg_intra_mmx |
140 |
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cglobal dequant_mpeg_inter_mmx |
141 |
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142 |
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;----------------------------------------------------------------------------- |
143 |
; |
; |
144 |
; void quant_intra4_mmx(int16_t * coeff, |
; uint32_t quant_mpeg_intra_mmx(int16_t * coeff, |
145 |
; const int16_t const * data, |
; const int16_t const * data, |
146 |
; const uint32_t quant, |
; const uint32_t quant, |
147 |
; const uint32_t dcscalar); |
; const uint32_t dcscalar, |
148 |
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; const uint16_t *mpeg_matrices); |
149 |
; |
; |
150 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
151 |
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152 |
align ALIGN |
ALIGN 16 |
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cglobal quant_mpeg_intra_mmx |
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153 |
quant_mpeg_intra_mmx: |
quant_mpeg_intra_mmx: |
154 |
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155 |
push ecx |
push ecx |
156 |
push esi |
push esi |
157 |
push edi |
push edi |
158 |
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push ebx |
159 |
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160 |
mov edi, [esp + 12 + 4] ; coeff |
mov edi, [esp + 16 + 4] ; coeff |
161 |
mov esi, [esp + 12 + 8] ; data |
mov esi, [esp + 16 + 8] ; data |
162 |
mov eax, [esp + 12 + 12] ; quant |
mov eax, [esp + 16 + 12] ; quant |
163 |
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mov ebx, [esp + 16 + 20] ; mpeg_quant_matrices |
164 |
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165 |
movq mm5, [quantd + eax * 8 - 8] ; quantd -> mm5 |
movq mm5, [quantd + eax * 8 - 8] ; quantd -> mm5 |
166 |
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173 |
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174 |
movq mm7, [mmx_div + eax * 8 - 8] ; multipliers[quant] -> mm7 |
movq mm7, [mmx_div + eax * 8 - 8] ; multipliers[quant] -> mm7 |
175 |
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176 |
align ALIGN |
ALIGN 16 |
177 |
.loop |
.loop |
178 |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
179 |
movq mm3, [esi + 8*ecx + 8] ; |
movq mm3, [esi + 8*ecx + 8] ; |
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180 |
pxor mm1, mm1 ; mm1 = 0 |
pxor mm1, mm1 ; mm1 = 0 |
181 |
pxor mm4, mm4 |
pxor mm4, mm4 |
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182 |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
183 |
pcmpgtw mm4, mm3 |
pcmpgtw mm4, mm3 |
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184 |
pxor mm0, mm1 ; mm0 = |mm0| |
pxor mm0, mm1 ; mm0 = |mm0| |
185 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
186 |
psubw mm0, mm1 ; displace |
psubw mm0, mm1 ; displace |
187 |
psubw mm3, mm4 ; |
psubw mm3, mm4 ; |
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188 |
psllw mm0, 4 ; level << 4 |
psllw mm0, 4 ; level << 4 |
189 |
psllw mm3, 4 ; |
psllw mm3, 4 |
190 |
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movq mm2, [ebx + 8*ecx] |
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movq mm2, [intra_matrix + 8*ecx] |
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191 |
psrlw mm2, 1 ; intra_matrix[i]>>1 |
psrlw mm2, 1 ; intra_matrix[i]>>1 |
192 |
paddw mm0, mm2 |
paddw mm0, mm2 |
193 |
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movq mm2, [ebx + 256 + ecx*8] |
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movq mm2, [intra_matrix_fix + ecx*8] |
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194 |
pmulhw mm0, mm2 ; (level<<4 + intra_matrix[i]>>1) / intra_matrix[i] |
pmulhw mm0, mm2 ; (level<<4 + intra_matrix[i]>>1) / intra_matrix[i] |
195 |
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movq mm2, [ebx + 8*ecx + 8] |
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movq mm2, [intra_matrix + 8*ecx + 8] |
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196 |
psrlw mm2, 1 |
psrlw mm2, 1 |
197 |
paddw mm3, mm2 |
paddw mm3, mm2 |
198 |
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movq mm2, [ebx + 256 + ecx*8 + 8] |
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movq mm2, [intra_matrix_fix + ecx*8 + 8] |
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199 |
pmulhw mm3, mm2 |
pmulhw mm3, mm2 |
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200 |
paddw mm0, mm5 ; + quantd |
paddw mm0, mm5 ; + quantd |
201 |
paddw mm3, mm5 |
paddw mm3, mm5 |
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202 |
pmulhw mm0, mm7 ; mm0 = (mm0 / 2Q) >> 16 |
pmulhw mm0, mm7 ; mm0 = (mm0 / 2Q) >> 16 |
203 |
pmulhw mm3, mm7 ; |
pmulhw mm3, mm7 ; |
204 |
psrlw mm0, 1 ; additional shift by 1 => 16 + 1 = 17 |
psrlw mm0, 1 ; additional shift by 1 => 16 + 1 = 17 |
205 |
psrlw mm3, 1 |
psrlw mm3, 1 |
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206 |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
207 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
208 |
psubw mm0, mm1 ; undisplace |
psubw mm0, mm1 ; undisplace |
217 |
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218 |
.done |
.done |
219 |
; caclulate data[0] // (int32_t)dcscalar) |
; caclulate data[0] // (int32_t)dcscalar) |
220 |
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mov ecx, [esp + 16 + 16] ; dcscalar |
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mov ecx, [esp + 12 + 16] ; dcscalar |
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221 |
mov edx, ecx |
mov edx, ecx |
222 |
movsx eax, word [esi] ; data[0] |
movsx eax, word [esi] ; data[0] |
223 |
shr edx, 1 ; edx = dcscalar /2 |
shr edx, 1 ; edx = dcscalar /2 |
234 |
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235 |
mov [edi], ax ; coeff[0] = ax |
mov [edi], ax ; coeff[0] = ax |
236 |
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237 |
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pop ebx |
238 |
pop edi |
pop edi |
239 |
pop esi |
pop esi |
240 |
pop ecx |
pop ecx |
241 |
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242 |
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xor eax, eax ; return(0); |
243 |
ret |
ret |
244 |
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245 |
align ALIGN |
ALIGN 16 |
246 |
.q1loop |
.q1loop |
247 |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
248 |
movq mm3, [esi + 8*ecx + 8] ; |
movq mm3, [esi + 8*ecx + 8] ; |
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249 |
pxor mm1, mm1 ; mm1 = 0 |
pxor mm1, mm1 ; mm1 = 0 |
250 |
pxor mm4, mm4 ; |
pxor mm4, mm4 ; |
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251 |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
252 |
pcmpgtw mm4, mm3 ; |
pcmpgtw mm4, mm3 ; |
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253 |
pxor mm0, mm1 ; mm0 = |mm0| |
pxor mm0, mm1 ; mm0 = |mm0| |
254 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
255 |
psubw mm0, mm1 ; displace |
psubw mm0, mm1 ; displace |
256 |
psubw mm3, mm4 ; |
psubw mm3, mm4 ; |
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257 |
psllw mm0, 4 |
psllw mm0, 4 |
258 |
psllw mm3, 4 |
psllw mm3, 4 |
259 |
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movq mm2, [ebx + 8*ecx] |
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movq mm2, [intra_matrix + 8*ecx] |
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260 |
psrlw mm2, 1 |
psrlw mm2, 1 |
261 |
paddw mm0, mm2 |
paddw mm0, mm2 |
262 |
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movq mm2, [ebx + 256 + ecx*8] |
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movq mm2, [intra_matrix_fix + ecx*8] |
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263 |
pmulhw mm0, mm2 ; (level<<4 + intra_matrix[i]>>1) / intra_matrix[i] |
pmulhw mm0, mm2 ; (level<<4 + intra_matrix[i]>>1) / intra_matrix[i] |
264 |
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movq mm2, [ebx + 8*ecx + 8] |
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movq mm2, [intra_matrix + 8*ecx + 8] |
|
265 |
psrlw mm2, 1 |
psrlw mm2, 1 |
266 |
paddw mm3, mm2 |
paddw mm3, mm2 |
267 |
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movq mm2, [ebx + 256 + ecx*8 + 8] |
|
movq mm2, [intra_matrix_fix + ecx*8 + 8] |
|
268 |
pmulhw mm3, mm2 |
pmulhw mm3, mm2 |
|
|
|
269 |
paddw mm0, mm5 |
paddw mm0, mm5 |
270 |
paddw mm3, mm5 |
paddw mm3, mm5 |
|
|
|
271 |
psrlw mm0, 1 ; mm0 >>= 1 (/2) |
psrlw mm0, 1 ; mm0 >>= 1 (/2) |
272 |
psrlw mm3, 1 ; |
psrlw mm3, 1 ; |
|
|
|
273 |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
274 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
275 |
psubw mm0, mm1 ; undisplace |
psubw mm0, mm1 ; undisplace |
276 |
psubw mm3, mm4 ; |
psubw mm3, mm4 ; |
|
|
|
277 |
movq [edi + 8*ecx], mm0 |
movq [edi + 8*ecx], mm0 |
278 |
movq [edi + 8*ecx + 8], mm3 |
movq [edi + 8*ecx + 8], mm3 |
279 |
|
|
283 |
jmp near .done |
jmp near .done |
284 |
|
|
285 |
|
|
286 |
align ALIGN |
ALIGN 16 |
287 |
.q2loop |
.q2loop |
288 |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
289 |
movq mm3, [esi + 8*ecx + 8] ; |
movq mm3, [esi + 8*ecx + 8] ; |
|
|
|
290 |
pxor mm1, mm1 ; mm1 = 0 |
pxor mm1, mm1 ; mm1 = 0 |
291 |
pxor mm4, mm4 ; |
pxor mm4, mm4 ; |
|
|
|
292 |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
293 |
pcmpgtw mm4, mm3 ; |
pcmpgtw mm4, mm3 ; |
|
|
|
294 |
pxor mm0, mm1 ; mm0 = |mm0| |
pxor mm0, mm1 ; mm0 = |mm0| |
295 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
296 |
psubw mm0, mm1 ; displace |
psubw mm0, mm1 ; displace |
297 |
psubw mm3, mm4 ; |
psubw mm3, mm4 ; |
|
|
|
298 |
psllw mm0, 4 |
psllw mm0, 4 |
299 |
psllw mm3, 4 |
psllw mm3, 4 |
300 |
|
movq mm2, [ebx + 8*ecx] |
|
movq mm2, [intra_matrix + 8*ecx] |
|
301 |
psrlw mm2, 1 |
psrlw mm2, 1 |
302 |
paddw mm0, mm2 |
paddw mm0, mm2 |
303 |
|
movq mm2, [ebx + 256 + ecx*8] |
|
movq mm2, [intra_matrix_fix + ecx*8] |
|
304 |
pmulhw mm0, mm2 ; (level<<4 + intra_matrix[i]>>1) / intra_matrix[i] |
pmulhw mm0, mm2 ; (level<<4 + intra_matrix[i]>>1) / intra_matrix[i] |
305 |
|
movq mm2, [ebx + 8*ecx + 8] |
|
movq mm2, [intra_matrix + 8*ecx + 8] |
|
306 |
psrlw mm2, 1 |
psrlw mm2, 1 |
307 |
paddw mm3, mm2 |
paddw mm3, mm2 |
308 |
|
movq mm2, [ebx + 256 + ecx*8 + 8] |
|
movq mm2, [intra_matrix_fix + ecx*8 + 8] |
|
309 |
pmulhw mm3, mm2 |
pmulhw mm3, mm2 |
|
|
|
310 |
paddw mm0, mm5 |
paddw mm0, mm5 |
311 |
paddw mm3, mm5 |
paddw mm3, mm5 |
|
|
|
312 |
psrlw mm0, 2 ; mm0 >>= 1 (/4) |
psrlw mm0, 2 ; mm0 >>= 1 (/4) |
313 |
psrlw mm3, 2 ; |
psrlw mm3, 2 ; |
|
|
|
314 |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
315 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
316 |
psubw mm0, mm1 ; undisplace |
psubw mm0, mm1 ; undisplace |
317 |
psubw mm3, mm4 ; |
psubw mm3, mm4 ; |
|
|
|
318 |
movq [edi + 8*ecx], mm0 |
movq [edi + 8*ecx], mm0 |
319 |
movq [edi + 8*ecx + 8], mm3 |
movq [edi + 8*ecx + 8], mm3 |
320 |
|
|
322 |
cmp ecx,16 |
cmp ecx,16 |
323 |
jnz near .q2loop |
jnz near .q2loop |
324 |
jmp near .done |
jmp near .done |
325 |
|
.endfunc |
326 |
|
|
327 |
|
;----------------------------------------------------------------------------- |
|
;=========================================================================== |
|
328 |
; |
; |
329 |
; uint32_t quant4_inter_mmx(int16_t * coeff, |
; uint32_t quant_mpeg_inter_mmx(int16_t * coeff, |
330 |
; const int16_t const * data, |
; const int16_t const * data, |
331 |
; const uint32_t quant); |
; const uint32_t quant, |
332 |
|
; const uint16_t *mpeg_matrices); |
333 |
; |
; |
334 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
335 |
|
|
336 |
align ALIGN |
ALIGN 16 |
|
cglobal quant_mpeg_inter_mmx |
|
337 |
quant_mpeg_inter_mmx: |
quant_mpeg_inter_mmx: |
338 |
|
|
339 |
push ecx |
push ecx |
340 |
push esi |
push esi |
341 |
push edi |
push edi |
342 |
|
push ebx |
343 |
|
|
344 |
mov edi, [esp + 12 + 4] ; coeff |
mov edi, [esp + 16 + 4] ; coeff |
345 |
mov esi, [esp + 12 + 8] ; data |
mov esi, [esp + 16 + 8] ; data |
346 |
mov eax, [esp + 12 + 12] ; quant |
mov eax, [esp + 16 + 12] ; quant |
347 |
|
mov ebx, [esp + 16 + 16] ; mpeg_quant_matrices |
348 |
|
|
349 |
xor ecx, ecx |
xor ecx, ecx |
350 |
|
|
358 |
|
|
359 |
movq mm7, [mmx_div + eax * 8 - 8] ; divider |
movq mm7, [mmx_div + eax * 8 - 8] ; divider |
360 |
|
|
361 |
align ALIGN |
ALIGN 16 |
362 |
.loop |
.loop |
363 |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
364 |
movq mm3, [esi + 8*ecx + 8] ; |
movq mm3, [esi + 8*ecx + 8] ; |
370 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
371 |
psubw mm0, mm1 ; displace |
psubw mm0, mm1 ; displace |
372 |
psubw mm3, mm4 ; |
psubw mm3, mm4 ; |
|
|
|
373 |
psllw mm0, 4 |
psllw mm0, 4 |
374 |
psllw mm3, 4 |
psllw mm3, 4 |
375 |
|
movq mm2, [ebx + 512 + 8*ecx] |
|
movq mm2, [inter_matrix + 8*ecx] |
|
376 |
psrlw mm2, 1 |
psrlw mm2, 1 |
377 |
paddw mm0, mm2 |
paddw mm0, mm2 |
378 |
|
movq mm2, [ebx + 768 + ecx*8] |
|
movq mm2, [inter_matrix_fix + ecx*8] |
|
379 |
pmulhw mm0, mm2 ; (level<<4 + inter_matrix[i]>>1) / inter_matrix[i] |
pmulhw mm0, mm2 ; (level<<4 + inter_matrix[i]>>1) / inter_matrix[i] |
380 |
|
movq mm2, [ebx + 512 + 8*ecx + 8] |
|
movq mm2, [inter_matrix + 8*ecx + 8] |
|
381 |
psrlw mm2, 1 |
psrlw mm2, 1 |
382 |
paddw mm3, mm2 |
paddw mm3, mm2 |
383 |
|
movq mm2, [ebx + 768 + ecx*8 + 8] |
|
movq mm2, [inter_matrix_fix + ecx*8 + 8] |
|
384 |
pmulhw mm3, mm2 |
pmulhw mm3, mm2 |
|
|
|
385 |
pmulhw mm0, mm7 ; mm0 = (mm0 / 2Q) >> 16 |
pmulhw mm0, mm7 ; mm0 = (mm0 / 2Q) >> 16 |
386 |
pmulhw mm3, mm7 ; |
pmulhw mm3, mm7 ; |
387 |
psrlw mm0, 1 ; additional shift by 1 => 16 + 1 = 17 |
psrlw mm0, 1 ; additional shift by 1 => 16 + 1 = 17 |
388 |
psrlw mm3, 1 |
psrlw mm3, 1 |
|
|
|
389 |
paddw mm5, mm0 ; sum += mm0 |
paddw mm5, mm0 ; sum += mm0 |
390 |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
391 |
paddw mm5, mm3 ; |
paddw mm5, mm3 ; |
406 |
paddd mm0, mm5 |
paddd mm0, mm5 |
407 |
movd eax, mm0 ; return sum |
movd eax, mm0 ; return sum |
408 |
|
|
409 |
|
pop ebx |
410 |
pop edi |
pop edi |
411 |
pop esi |
pop esi |
412 |
pop ecx |
pop ecx |
413 |
|
|
414 |
ret |
ret |
415 |
|
|
416 |
align ALIGN |
ALIGN 16 |
417 |
.q1loop |
.q1loop |
418 |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
419 |
movq mm3, [esi + 8*ecx+ 8] |
movq mm3, [esi + 8*ecx+ 8] |
|
; |
|
420 |
pxor mm1, mm1 ; mm1 = 0 |
pxor mm1, mm1 ; mm1 = 0 |
421 |
pxor mm4, mm4 ; |
pxor mm4, mm4 ; |
|
|
|
422 |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
423 |
pcmpgtw mm4, mm3 ; |
pcmpgtw mm4, mm3 ; |
|
|
|
424 |
pxor mm0, mm1 ; mm0 = |mm0| |
pxor mm0, mm1 ; mm0 = |mm0| |
425 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
426 |
psubw mm0, mm1 ; displace |
psubw mm0, mm1 ; displace |
427 |
psubw mm3, mm4 ; |
psubw mm3, mm4 ; |
|
|
|
428 |
psllw mm0, 4 |
psllw mm0, 4 |
429 |
psllw mm3, 4 |
psllw mm3, 4 |
430 |
|
movq mm2, [ebx + 512 + 8*ecx] |
|
movq mm2, [inter_matrix + 8*ecx] |
|
431 |
psrlw mm2, 1 |
psrlw mm2, 1 |
432 |
paddw mm0, mm2 |
paddw mm0, mm2 |
433 |
|
movq mm2, [ebx + 768 + ecx*8] |
|
movq mm2, [inter_matrix_fix + ecx*8] |
|
434 |
pmulhw mm0, mm2 ; (level<<4 + inter_matrix[i]>>1) / inter_matrix[i] |
pmulhw mm0, mm2 ; (level<<4 + inter_matrix[i]>>1) / inter_matrix[i] |
435 |
|
movq mm2, [ebx + 512 + 8*ecx + 8] |
|
movq mm2, [inter_matrix + 8*ecx + 8] |
|
436 |
psrlw mm2, 1 |
psrlw mm2, 1 |
437 |
paddw mm3, mm2 |
paddw mm3, mm2 |
438 |
|
movq mm2, [ebx + 768 + ecx*8 + 8] |
|
movq mm2, [inter_matrix_fix + ecx*8 + 8] |
|
439 |
pmulhw mm3, mm2 |
pmulhw mm3, mm2 |
|
|
|
440 |
psrlw mm0, 1 ; mm0 >>= 1 (/2) |
psrlw mm0, 1 ; mm0 >>= 1 (/2) |
441 |
psrlw mm3, 1 ; |
psrlw mm3, 1 ; |
|
|
|
442 |
paddw mm5, mm0 ; sum += mm0 |
paddw mm5, mm0 ; sum += mm0 |
443 |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
444 |
paddw mm5, mm3 ; |
paddw mm5, mm3 ; |
445 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
446 |
psubw mm0, mm1 ; undisplace |
psubw mm0, mm1 ; undisplace |
447 |
psubw mm3, mm4 |
psubw mm3, mm4 |
|
|
|
448 |
movq [edi + 8*ecx], mm0 |
movq [edi + 8*ecx], mm0 |
449 |
movq [edi + 8*ecx + 8], mm3 |
movq [edi + 8*ecx + 8], mm3 |
450 |
|
|
454 |
|
|
455 |
jmp .done |
jmp .done |
456 |
|
|
457 |
|
ALIGN 16 |
|
align ALIGN |
|
458 |
.q2loop |
.q2loop |
459 |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
movq mm0, [esi + 8*ecx] ; mm0 = [1st] |
460 |
movq mm3, [esi + 8*ecx+ 8] |
movq mm3, [esi + 8*ecx+ 8] |
|
; |
|
461 |
pxor mm1, mm1 ; mm1 = 0 |
pxor mm1, mm1 ; mm1 = 0 |
462 |
pxor mm4, mm4 ; |
pxor mm4, mm4 ; |
|
|
|
463 |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
pcmpgtw mm1, mm0 ; mm1 = (0 > mm0) |
464 |
pcmpgtw mm4, mm3 ; |
pcmpgtw mm4, mm3 ; |
|
|
|
465 |
pxor mm0, mm1 ; mm0 = |mm0| |
pxor mm0, mm1 ; mm0 = |mm0| |
466 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
467 |
psubw mm0, mm1 ; displace |
psubw mm0, mm1 ; displace |
468 |
psubw mm3, mm4 ; |
psubw mm3, mm4 ; |
|
|
|
469 |
psllw mm0, 4 |
psllw mm0, 4 |
470 |
psllw mm3, 4 |
psllw mm3, 4 |
471 |
|
movq mm2, [ebx + 512 + 8*ecx] |
|
movq mm2, [inter_matrix + 8*ecx] |
|
472 |
psrlw mm2, 1 |
psrlw mm2, 1 |
473 |
paddw mm0, mm2 |
paddw mm0, mm2 |
474 |
|
movq mm2, [ebx + 768 + ecx*8] |
|
movq mm2, [inter_matrix_fix + ecx*8] |
|
475 |
pmulhw mm0, mm2 ; (level<<4 + inter_matrix[i]>>1) / inter_matrix[i] |
pmulhw mm0, mm2 ; (level<<4 + inter_matrix[i]>>1) / inter_matrix[i] |
476 |
|
movq mm2, [ebx + 512 + 8*ecx + 8] |
|
movq mm2, [inter_matrix + 8*ecx + 8] |
|
477 |
psrlw mm2, 1 |
psrlw mm2, 1 |
478 |
paddw mm3, mm2 |
paddw mm3, mm2 |
479 |
|
movq mm2, [ebx + 768 + ecx*8 + 8] |
|
movq mm2, [inter_matrix_fix + ecx*8 + 8] |
|
480 |
pmulhw mm3, mm2 |
pmulhw mm3, mm2 |
|
|
|
481 |
psrlw mm0, 2 ; mm0 >>= 1 (/2) |
psrlw mm0, 2 ; mm0 >>= 1 (/2) |
482 |
psrlw mm3, 2 ; |
psrlw mm3, 2 ; |
|
|
|
483 |
paddw mm5, mm0 ; sum += mm0 |
paddw mm5, mm0 ; sum += mm0 |
484 |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
pxor mm0, mm1 ; mm0 *= sign(mm0) |
485 |
paddw mm5, mm3 ; |
paddw mm5, mm3 ; |
486 |
pxor mm3, mm4 ; |
pxor mm3, mm4 ; |
487 |
psubw mm0, mm1 ; undisplace |
psubw mm0, mm1 ; undisplace |
488 |
psubw mm3, mm4 |
psubw mm3, mm4 |
|
|
|
489 |
movq [edi + 8*ecx], mm0 |
movq [edi + 8*ecx], mm0 |
490 |
movq [edi + 8*ecx + 8], mm3 |
movq [edi + 8*ecx + 8], mm3 |
491 |
|
|
494 |
jnz near .q2loop |
jnz near .q2loop |
495 |
|
|
496 |
jmp .done |
jmp .done |
497 |
|
.endfunc |
498 |
|
|
499 |
|
|
500 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
501 |
; |
; |
502 |
; void dequant4_intra_mmx(int16_t *data, |
; uint32_t dequant_mpeg_intra_mmx(int16_t *data, |
503 |
; const int16_t const *coeff, |
; const int16_t const *coeff, |
504 |
; const uint32_t quant, |
; const uint32_t quant, |
505 |
; const uint32_t dcscalar); |
; const uint32_t dcscalar, |
506 |
|
; const uint16_t *mpeg_matrices); |
507 |
; |
; |
508 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
509 |
|
|
510 |
; Note: in order to saturate 'easily', we pre-shift the quantifier |
; Note: in order to saturate 'easily', we pre-shift the quantifier |
511 |
; by 4. Then, the high-word of (coeff[]*matrix[i]*quant) are used to |
; by 4. Then, the high-word of (coeff[]*matrix[i]*quant) are used to |
526 |
psubw mm0, mm1 ; -> mm0 = abs(coeff[i]), mm1 = sign of coeff[i] |
psubw mm0, mm1 ; -> mm0 = abs(coeff[i]), mm1 = sign of coeff[i] |
527 |
|
|
528 |
movq mm2, mm7 ; mm2 = quant |
movq mm2, mm7 ; mm2 = quant |
529 |
pmullw mm2, [intra_matrix + 8*eax + 8*16 ] ; matrix[i]*quant. |
pmullw mm2, [ebx + 8*eax + 8*16 ] ; matrix[i]*quant. |
530 |
|
|
531 |
movq mm6, mm2 |
movq mm6, mm2 |
532 |
pmulhw mm2, mm0 ; high of coeff*(matrix*quant) (should be 0 if no overflow) |
pmulhw mm2, mm0 ; high of coeff*(matrix*quant) (should be 0 if no overflow) |
546 |
|
|
547 |
;******************************************************************** |
;******************************************************************** |
548 |
|
|
549 |
align 16 |
ALIGN 16 |
|
cglobal dequant_mpeg_intra_mmx |
|
550 |
dequant_mpeg_intra_mmx: |
dequant_mpeg_intra_mmx: |
551 |
|
|
552 |
mov edx, [esp+4] ; data |
push ebx |
553 |
mov ecx, [esp+8] ; coeff |
|
554 |
mov eax, [esp+12] ; quant |
mov edx, [esp + 4 + 4] ; data |
555 |
|
mov ecx, [esp + 4 + 8] ; coeff |
556 |
|
mov eax, [esp + 4 + 12] ; quant |
557 |
|
mov ebx, [esp + 4 + 20] ; mpeg_quant_matrices |
558 |
|
|
559 |
movq mm7, [mmx_mul_quant + eax*8 - 8] |
movq mm7, [mmx_mul_quant + eax*8 - 8] |
560 |
mov eax, -16 ; to keep aligned, we regularly process coeff[0] |
mov eax, -16 ; to keep ALIGNed, we regularly process coeff[0] |
561 |
psllw mm7, 2 ; << 2. See comment. |
psllw mm7, 2 ; << 2. See comment. |
562 |
pxor mm6, mm6 ; this is a NOP |
pxor mm6, mm6 ; this is a NOP |
563 |
|
|
564 |
align 16 |
ALIGN 16 |
565 |
.loop |
.loop |
566 |
movq mm0, [ecx+8*eax + 8*16] ; mm0 = c = coeff[i] |
movq mm0, [ecx+8*eax + 8*16] ; mm0 = c = coeff[i] |
567 |
movq mm3, [ecx+8*eax + 8*16 +8]; mm3 = c' = coeff[i+1] |
movq mm3, [ecx+8*eax + 8*16 +8]; mm3 = c' = coeff[i+1] |
571 |
movq mm2, mm7 ; mm2 = quant |
movq mm2, mm7 ; mm2 = quant |
572 |
|
|
573 |
pcmpgtw mm4, mm3 ; mm4 = sgn(c') |
pcmpgtw mm4, mm3 ; mm4 = sgn(c') |
574 |
pmullw mm2, [intra_matrix + 8*eax + 8*16 ] ; matrix[i]*quant |
pmullw mm2, [ebx + 8*eax + 8*16 ] ; matrix[i]*quant |
575 |
|
|
576 |
pxor mm0, mm1 ; negate if negative |
pxor mm0, mm1 ; negate if negative |
577 |
pxor mm3, mm4 ; negate if negative |
pxor mm3, mm4 ; negate if negative |
587 |
pmulhw mm0, mm5 ; high of coeff*(matrix*quant) |
pmulhw mm0, mm5 ; high of coeff*(matrix*quant) |
588 |
movq mm5, mm7 ; mm2 = quant |
movq mm5, mm7 ; mm2 = quant |
589 |
|
|
590 |
pmullw mm5, [intra_matrix + 8*eax + 8*16 +8] ; matrix[i+1]*quant |
pmullw mm5, [ebx + 8*eax + 8*16 +8] ; matrix[i+1]*quant |
591 |
|
|
592 |
movq mm6, mm5 |
movq mm6, mm5 |
593 |
add eax,2 ; z-flag will be tested later |
add eax,2 ; z-flag will be tested later |
618 |
jnz near .loop |
jnz near .loop |
619 |
|
|
620 |
; deal with DC |
; deal with DC |
|
|
|
621 |
movd mm0, [ecx] |
movd mm0, [ecx] |
622 |
pmullw mm0, [esp+16] ; dcscalar |
pmullw mm0, [esp + 4 + 16] ; dcscalar |
623 |
movq mm2, [mmx_32767_minus_2047] |
movq mm2, [mmx_32767_minus_2047] |
624 |
paddsw mm0, mm2 |
paddsw mm0, mm2 |
625 |
psubsw mm0, mm2 |
psubsw mm0, mm2 |
629 |
movd eax, mm0 |
movd eax, mm0 |
630 |
mov [edx], ax |
mov [edx], ax |
631 |
|
|
632 |
|
xor eax, eax |
633 |
|
|
634 |
|
pop ebx |
635 |
|
|
636 |
ret |
ret |
637 |
|
.endfunc |
638 |
|
|
639 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
640 |
; |
; |
641 |
; void dequant4_inter_mmx(int16_t * data, |
; uint32_t dequant_mpeg_inter_mmx(int16_t * data, |
642 |
; const int16_t * const coeff, |
; const int16_t * const coeff, |
643 |
; const uint32_t quant); |
; const uint32_t quant, |
644 |
|
; const uint16_t *mpeg_matrices); |
645 |
; |
; |
646 |
;=========================================================================== |
;----------------------------------------------------------------------------- |
647 |
|
|
648 |
; Note: We use (2*c + sgn(c) - sgn(-c)) as multiplier |
; Note: We use (2*c + sgn(c) - sgn(-c)) as multiplier |
649 |
; so we handle the 3 cases: c<0, c==0, and c>0 in one shot. |
; so we handle the 3 cases: c<0, c==0, and c>0 in one shot. |
650 |
; sgn(x) is the result of 'pcmpgtw 0,x': 0 if x>=0, -1 if x<0. |
; sgn(x) is the result of 'pcmpgtw 0,x': 0 if x>=0, -1 if x<0. |
651 |
; It's mixed with the extraction of the absolute value. |
; It's mixed with the extraction of the absolute value. |
652 |
|
|
653 |
align 16 |
ALIGN 16 |
|
cglobal dequant_mpeg_inter_mmx |
|
654 |
dequant_mpeg_inter_mmx: |
dequant_mpeg_inter_mmx: |
655 |
|
|
656 |
mov edx, [esp+ 4] ; data |
push ebx |
657 |
mov ecx, [esp+ 8] ; coeff |
|
658 |
mov eax, [esp+12] ; quant |
mov edx, [esp + 4 + 4] ; data |
659 |
|
mov ecx, [esp + 4 + 8] ; coeff |
660 |
|
mov eax, [esp + 4 + 12] ; quant |
661 |
|
mov ebx, [esp + 4 + 16] ; mpeg_quant_matrices |
662 |
|
|
663 |
movq mm7, [mmx_mul_quant + eax*8 - 8] |
movq mm7, [mmx_mul_quant + eax*8 - 8] |
664 |
mov eax, -16 |
mov eax, -16 |
665 |
paddw mm7, mm7 ; << 1 |
paddw mm7, mm7 ; << 1 |
666 |
pxor mm6, mm6 ; mismatch sum |
pxor mm6, mm6 ; mismatch sum |
667 |
|
|
668 |
align 16 |
ALIGN 16 |
669 |
.loop |
.loop |
670 |
movq mm0, [ecx+8*eax + 8*16 ] ; mm0 = coeff[i] |
movq mm0, [ecx+8*eax + 8*16 ] ; mm0 = coeff[i] |
671 |
movq mm2, [ecx+8*eax + 8*16 +8] ; mm2 = coeff[i+1] |
movq mm2, [ecx+8*eax + 8*16 +8] ; mm2 = coeff[i+1] |
694 |
; we're short on register, here. Poor pairing... |
; we're short on register, here. Poor pairing... |
695 |
|
|
696 |
movq mm4, mm7 ; (matrix*quant) |
movq mm4, mm7 ; (matrix*quant) |
697 |
pmullw mm4, [inter_matrix + 8*eax + 8*16 -2*8] |
pmullw mm4, [ebx + 512 + 8*eax + 8*16 -2*8] |
698 |
movq mm5, mm4 |
movq mm5, mm4 |
699 |
pmulhw mm5, mm0 ; high of c*(matrix*quant) |
pmulhw mm5, mm0 ; high of c*(matrix*quant) |
700 |
pmullw mm0, mm4 ; low of c*(matrix*quant) |
pmullw mm0, mm4 ; low of c*(matrix*quant) |
701 |
|
|
702 |
movq mm4, mm7 ; (matrix*quant) |
movq mm4, mm7 ; (matrix*quant) |
703 |
pmullw mm4, [inter_matrix + 8*eax + 8*16 -2*8 + 8] |
pmullw mm4, [ebx + 512 + 8*eax + 8*16 -2*8 + 8] |
704 |
|
|
705 |
pcmpgtw mm5, [zero] |
pcmpgtw mm5, [zero] |
706 |
paddusw mm0, mm5 |
paddusw mm0, mm5 |
743 |
xor eax, 1 |
xor eax, 1 |
744 |
xor word [edx + 2*63], ax |
xor word [edx + 2*63], ax |
745 |
|
|
746 |
|
xor eax, eax |
747 |
|
|
748 |
|
pop ebx |
749 |
|
|
750 |
ret |
ret |
751 |
|
.endfunc |
752 |
|
|