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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 : | Isibaar | 1.7 | ; * This file is part of Xvid, a free MPEG-4 video encoder/decoder |
8 : | Skal | 1.1 | ; * |
9 : | Isibaar | 1.7 | ; * Xvid is free software; you can redistribute it and/or modify it |
10 : | Skal | 1.1 | ; * 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 | 1.7 | ; * $Id: deintl_sse.asm,v 1.6 2009/09/16 17:07:58 Isibaar Exp $ |
24 : | Skal | 1.1 | ; * |
25 : | ; *************************************************************************/ | ||
26 : | |||
27 : | ;/************************************************************************** | ||
28 : | ; * | ||
29 : | ; * History: | ||
30 : | ; * | ||
31 : | ; * Oct 13 2006: initial version | ||
32 : | ; * | ||
33 : | ; *************************************************************************/ | ||
34 : | |||
35 : | Isibaar | 1.4 | %include "nasm.inc" |
36 : | Skal | 1.1 | |
37 : | ;////////////////////////////////////////////////////////////////////// | ||
38 : | |||
39 : | cglobal xvid_deinterlace_sse | ||
40 : | |||
41 : | ;////////////////////////////////////////////////////////////////////// | ||
42 : | |||
43 : | Isibaar | 1.4 | DATA |
44 : | Skal | 1.1 | |
45 : | Isibaar | 1.4 | align SECTION_ALIGN |
46 : | Skal | 1.1 | Mask_6b times 16 db 0x3f |
47 : | Rnd_3b: times 16 db 3 | ||
48 : | |||
49 : | Isibaar | 1.5 | TEXT |
50 : | Skal | 1.1 | |
51 : | ;////////////////////////////////////////////////////////////////////// | ||
52 : | ;// sse version | ||
53 : | |||
54 : | Isibaar | 1.4 | align SECTION_ALIGN |
55 : | Skal | 1.1 | xvid_deinterlace_sse: |
56 : | |||
57 : | Isibaar | 1.4 | mov _EAX, prm1 ; Pix |
58 : | mov TMP0, prm3 ; Height | ||
59 : | mov TMP1, prm4 ; BpS | ||
60 : | |||
61 : | push _EBX | ||
62 : | %ifdef ARCH_IS_X86_64 | ||
63 : | mov _EBX, prm2 ; Width | ||
64 : | %else | ||
65 : | mov _EBX, [esp+4+ 8] ; Width | ||
66 : | %endif | ||
67 : | |||
68 : | add _EBX, 7 | ||
69 : | shr TMP0, 1 | ||
70 : | shr _EBX, 3 ; Width /= 8 | ||
71 : | dec TMP0 | ||
72 : | Skal | 1.1 | |
73 : | movq mm6, [Mask_6b] | ||
74 : | |||
75 : | Isibaar | 1.3 | .Loop_x: |
76 : | Isibaar | 1.4 | push _EAX |
77 : | movq mm1, [_EAX ] | ||
78 : | movq mm2, [_EAX+ TMP1] | ||
79 : | lea _EAX, [_EAX+ TMP1] | ||
80 : | Skal | 1.1 | movq mm0, mm2 |
81 : | |||
82 : | Isibaar | 1.4 | push TMP0 |
83 : | Skal | 1.1 | |
84 : | .Loop: | ||
85 : | Isibaar | 1.4 | movq mm3, [_EAX+ TMP1] |
86 : | movq mm4, [_EAX+2*TMP1] | ||
87 : | Skal | 1.1 | movq mm5, mm2 |
88 : | pavgb mm0, mm4 | ||
89 : | pavgb mm1, mm3 | ||
90 : | movq mm7, mm2 | ||
91 : | psubusb mm2, mm0 | ||
92 : | psubusb mm0, mm7 | ||
93 : | paddusb mm0, [Rnd_3b] | ||
94 : | psrlw mm2, 2 | ||
95 : | psrlw mm0, 2 | ||
96 : | pand mm2, mm6 | ||
97 : | pand mm0, mm6 | ||
98 : | paddusb mm1, mm2 | ||
99 : | psubusb mm1, mm0 | ||
100 : | Isibaar | 1.4 | movq [_EAX], mm1 |
101 : | lea _EAX, [_EAX+2*TMP1] | ||
102 : | Skal | 1.1 | movq mm0, mm5 |
103 : | movq mm1, mm3 | ||
104 : | movq mm2, mm4 | ||
105 : | Isibaar | 1.4 | dec TMP0 |
106 : | Skal | 1.1 | jg .Loop |
107 : | |||
108 : | pavgb mm0, mm2 ; p0 += p2 | ||
109 : | pavgb mm1, mm1 ; p1 += p1 | ||
110 : | movq mm7, mm2 | ||
111 : | psubusb mm2, mm0 | ||
112 : | psubusb mm0, mm7 | ||
113 : | paddusb mm0, [Rnd_3b] | ||
114 : | psrlw mm2, 2 | ||
115 : | psrlw mm0, 2 | ||
116 : | pand mm2, mm6 | ||
117 : | pand mm0, mm6 | ||
118 : | paddusb mm1, mm2 | ||
119 : | psubusb mm1, mm0 | ||
120 : | Isibaar | 1.4 | movq [_EAX], mm1 |
121 : | Skal | 1.1 | |
122 : | Isibaar | 1.4 | pop TMP0 |
123 : | pop _EAX | ||
124 : | add _EAX, 8 | ||
125 : | Skal | 1.1 | |
126 : | Isibaar | 1.4 | dec _EBX |
127 : | Skal | 1.1 | jg .Loop_x |
128 : | |||
129 : | Isibaar | 1.4 | pop _EBX |
130 : | Skal | 1.1 | ret |
131 : | Isibaar | 1.3 | ENDFUNC |
132 : | Skal | 1.1 | |
133 : | ;////////////////////////////////////////////////////////////////////// | ||
134 : | Isibaar | 1.6 | NON_EXEC_STACK |
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