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Revision 1.3 - (view) (download)
1 : | Skal | 1.1 | ;/***************************************************************************** |
2 : | ; * | ||
3 : | ; * XVID MPEG-4 VIDEO CODEC | ||
4 : | ; * - simple de-interlacer | ||
5 : | ; * Copyright(C) 2006 Pascal Massimino <skal@xvid.org> | ||
6 : | ; * | ||
7 : | ; * This file is part of XviD, a free MPEG-4 video encoder/decoder | ||
8 : | ; * | ||
9 : | ; * XviD is free software; you can redistribute it and/or modify it | ||
10 : | ; * under the terms of the GNU General Public License as published by | ||
11 : | ; * the Free Software Foundation; either version 2 of the License, or | ||
12 : | ; * (at your option) any later version. | ||
13 : | ; * | ||
14 : | ; * This program is distributed in the hope that it will be useful, | ||
15 : | ; * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 : | ; * GNU General Public License for more details. | ||
18 : | ; * | ||
19 : | ; * You should have received a copy of the GNU General Public License | ||
20 : | ; * along with this program; if not, write to the Free Software | ||
21 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 : | ; * | ||
23 : | Isibaar | 1.3 | ; * $Id: deintl_sse.asm,v 1.2 2008/08/19 09:06:48 Isibaar Exp $ |
24 : | Skal | 1.1 | ; * |
25 : | ; *************************************************************************/ | ||
26 : | |||
27 : | ;/************************************************************************** | ||
28 : | ; * | ||
29 : | ; * History: | ||
30 : | ; * | ||
31 : | ; * Oct 13 2006: initial version | ||
32 : | ; * | ||
33 : | ; *************************************************************************/ | ||
34 : | |||
35 : | bits 32 | ||
36 : | |||
37 : | %macro cglobal 1 | ||
38 : | %ifdef PREFIX | ||
39 : | %ifdef MARK_FUNCS | ||
40 : | global _%1:function %1.endfunc-%1 | ||
41 : | %define %1 _%1:function %1.endfunc-%1 | ||
42 : | Isibaar | 1.3 | %define ENDFUNC .endfunc |
43 : | Skal | 1.1 | %else |
44 : | global _%1 | ||
45 : | %define %1 _%1 | ||
46 : | Isibaar | 1.3 | %define ENDFUNC |
47 : | Skal | 1.1 | %endif |
48 : | %else | ||
49 : | %ifdef MARK_FUNCS | ||
50 : | global %1:function %1.endfunc-%1 | ||
51 : | Isibaar | 1.3 | %define ENDFUNC .endfunc |
52 : | Skal | 1.1 | %else |
53 : | global %1 | ||
54 : | Isibaar | 1.3 | %define ENDFUNC |
55 : | Skal | 1.1 | %endif |
56 : | %endif | ||
57 : | %endmacro | ||
58 : | |||
59 : | ;////////////////////////////////////////////////////////////////////// | ||
60 : | |||
61 : | cglobal xvid_deinterlace_sse | ||
62 : | |||
63 : | ;////////////////////////////////////////////////////////////////////// | ||
64 : | |||
65 : | %ifdef FORMAT_COFF | ||
66 : | SECTION .rodata | ||
67 : | %else | ||
68 : | SECTION .rodata align=16 | ||
69 : | %endif | ||
70 : | |||
71 : | align 16 | ||
72 : | Mask_6b times 16 db 0x3f | ||
73 : | Rnd_3b: times 16 db 3 | ||
74 : | |||
75 : | SECTION .text | ||
76 : | |||
77 : | ;////////////////////////////////////////////////////////////////////// | ||
78 : | ;// sse version | ||
79 : | |||
80 : | align 16 | ||
81 : | xvid_deinterlace_sse: | ||
82 : | |||
83 : | mov eax, [esp+ 4] ; Pix | ||
84 : | mov ecx, [esp+12] ; Height | ||
85 : | mov edx, [esp+16] ; BpS | ||
86 : | |||
87 : | push ebx | ||
88 : | mov ebx, [esp+4+ 8] ; Width | ||
89 : | |||
90 : | add ebx, 7 | ||
91 : | shr ecx, 1 | ||
92 : | shr ebx, 3 ; Width /= 8 | ||
93 : | dec ecx | ||
94 : | |||
95 : | movq mm6, [Mask_6b] | ||
96 : | |||
97 : | Isibaar | 1.3 | .Loop_x: |
98 : | Skal | 1.1 | push eax |
99 : | movq mm1, [eax ] | ||
100 : | movq mm2, [eax+ edx] | ||
101 : | lea eax, [eax+ edx] | ||
102 : | movq mm0, mm2 | ||
103 : | |||
104 : | push ecx | ||
105 : | |||
106 : | .Loop: | ||
107 : | movq mm3, [eax+ edx] | ||
108 : | movq mm4, [eax+2*edx] | ||
109 : | movq mm5, mm2 | ||
110 : | pavgb mm0, mm4 | ||
111 : | pavgb mm1, mm3 | ||
112 : | movq mm7, mm2 | ||
113 : | psubusb mm2, mm0 | ||
114 : | psubusb mm0, mm7 | ||
115 : | paddusb mm0, [Rnd_3b] | ||
116 : | psrlw mm2, 2 | ||
117 : | psrlw mm0, 2 | ||
118 : | pand mm2, mm6 | ||
119 : | pand mm0, mm6 | ||
120 : | paddusb mm1, mm2 | ||
121 : | psubusb mm1, mm0 | ||
122 : | movq [eax], mm1 | ||
123 : | lea eax, [eax+2*edx] | ||
124 : | movq mm0, mm5 | ||
125 : | movq mm1, mm3 | ||
126 : | movq mm2, mm4 | ||
127 : | dec ecx | ||
128 : | jg .Loop | ||
129 : | |||
130 : | pavgb mm0, mm2 ; p0 += p2 | ||
131 : | pavgb mm1, mm1 ; p1 += p1 | ||
132 : | movq mm7, mm2 | ||
133 : | psubusb mm2, mm0 | ||
134 : | psubusb mm0, mm7 | ||
135 : | paddusb mm0, [Rnd_3b] | ||
136 : | psrlw mm2, 2 | ||
137 : | psrlw mm0, 2 | ||
138 : | pand mm2, mm6 | ||
139 : | pand mm0, mm6 | ||
140 : | paddusb mm1, mm2 | ||
141 : | psubusb mm1, mm0 | ||
142 : | movq [eax], mm1 | ||
143 : | |||
144 : | pop ecx | ||
145 : | pop eax | ||
146 : | add eax, 8 | ||
147 : | |||
148 : | dec ebx | ||
149 : | jg .Loop_x | ||
150 : | |||
151 : | pop ebx | ||
152 : | ret | ||
153 : | Isibaar | 1.3 | ENDFUNC |
154 : | Skal | 1.1 | |
155 : | ;////////////////////////////////////////////////////////////////////// | ||
156 : | Isibaar | 1.2 | |
157 : | %ifidn __OUTPUT_FORMAT__,elf | ||
158 : | section ".note.GNU-stack" noalloc noexec nowrite progbits | ||
159 : | %endif |
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