Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | ;****************************************************************************** |
2 | ;* MMX-optimized H.263 loop filter | |
3 | ;* Copyright (c) 2003-2013 Michael Niedermayer | |
4 | ;* Copyright (c) 2013 Daniel Kang | |
5 | ;* | |
6 | ;* This file is part of FFmpeg. | |
7 | ;* | |
8 | ;* FFmpeg is free software; you can redistribute it and/or | |
9 | ;* modify it under the terms of the GNU Lesser General Public | |
10 | ;* License as published by the Free Software Foundation; either | |
11 | ;* version 2.1 of the License, or (at your option) any later version. | |
12 | ;* | |
13 | ;* FFmpeg is distributed in the hope that it will be useful, | |
14 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | ;* Lesser General Public License for more details. | |
17 | ;* | |
18 | ;* You should have received a copy of the GNU Lesser General Public | |
19 | ;* License along with FFmpeg; if not, write to the Free Software | |
20 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | ;****************************************************************************** | |
22 | ||
23 | %include "libavutil/x86/x86util.asm" | |
24 | ||
25 | SECTION_RODATA | |
26 | cextern pb_FC | |
27 | cextern h263_loop_filter_strength | |
28 | ||
29 | SECTION_TEXT | |
30 | ||
31 | %macro H263_LOOP_FILTER 5 | |
32 | pxor m7, m7 | |
33 | mova m0, [%1] | |
34 | mova m1, [%1] | |
35 | mova m2, [%4] | |
36 | mova m3, [%4] | |
37 | punpcklbw m0, m7 | |
38 | punpckhbw m1, m7 | |
39 | punpcklbw m2, m7 | |
40 | punpckhbw m3, m7 | |
41 | psubw m0, m2 | |
42 | psubw m1, m3 | |
43 | mova m2, [%2] | |
44 | mova m3, [%2] | |
45 | mova m4, [%3] | |
46 | mova m5, [%3] | |
47 | punpcklbw m2, m7 | |
48 | punpckhbw m3, m7 | |
49 | punpcklbw m4, m7 | |
50 | punpckhbw m5, m7 | |
51 | psubw m4, m2 | |
52 | psubw m5, m3 | |
53 | psllw m4, 2 | |
54 | psllw m5, 2 | |
55 | paddw m4, m0 | |
56 | paddw m5, m1 | |
57 | pxor m6, m6 | |
58 | pcmpgtw m6, m4 | |
59 | pcmpgtw m7, m5 | |
60 | pxor m4, m6 | |
61 | pxor m5, m7 | |
62 | psubw m4, m6 | |
63 | psubw m5, m7 | |
64 | psrlw m4, 3 | |
65 | psrlw m5, 3 | |
66 | packuswb m4, m5 | |
67 | packsswb m6, m7 | |
68 | pxor m7, m7 | |
69 | movd m2, %5 | |
70 | punpcklbw m2, m2 | |
71 | punpcklbw m2, m2 | |
72 | punpcklbw m2, m2 | |
73 | psubusb m2, m4 | |
74 | mova m3, m2 | |
75 | psubusb m3, m4 | |
76 | psubb m2, m3 | |
77 | mova m3, [%2] | |
78 | mova m4, [%3] | |
79 | pxor m3, m6 | |
80 | pxor m4, m6 | |
81 | paddusb m3, m2 | |
82 | psubusb m4, m2 | |
83 | pxor m3, m6 | |
84 | pxor m4, m6 | |
85 | paddusb m2, m2 | |
86 | packsswb m0, m1 | |
87 | pcmpgtb m7, m0 | |
88 | pxor m0, m7 | |
89 | psubb m0, m7 | |
90 | mova m1, m0 | |
91 | psubusb m0, m2 | |
92 | psubb m1, m0 | |
93 | pand m1, [pb_FC] | |
94 | psrlw m1, 2 | |
95 | pxor m1, m7 | |
96 | psubb m1, m7 | |
97 | mova m5, [%1] | |
98 | mova m6, [%4] | |
99 | psubb m5, m1 | |
100 | paddb m6, m1 | |
101 | %endmacro | |
102 | ||
103 | INIT_MMX mmx | |
104 | ; void ff_h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale) | |
105 | cglobal h263_v_loop_filter, 3,5 | |
106 | movsxdifnidn r1, r1d | |
107 | movsxdifnidn r2, r2d | |
108 | ||
109 | lea r4, [h263_loop_filter_strength] | |
110 | movzx r3d, BYTE [r4+r2] | |
111 | movsx r2, r3b | |
112 | shl r2, 1 | |
113 | ||
114 | mov r3, r0 | |
115 | sub r3, r1 | |
116 | mov r4, r3 | |
117 | sub r4, r1 | |
118 | H263_LOOP_FILTER r4, r3, r0, r0+r1, r2d | |
119 | ||
120 | mova [r3], m3 | |
121 | mova [r0], m4 | |
122 | mova [r4], m5 | |
123 | mova [r0+r1], m6 | |
124 | RET | |
125 | ||
126 | %macro TRANSPOSE4X4 2 | |
127 | movd m0, [%1] | |
128 | movd m1, [%1+r1] | |
129 | movd m2, [%1+r1*2] | |
130 | movd m3, [%1+r3] | |
131 | punpcklbw m0, m1 | |
132 | punpcklbw m2, m3 | |
133 | mova m1, m0 | |
134 | punpcklwd m0, m2 | |
135 | punpckhwd m1, m2 | |
136 | movd [%2+ 0], m0 | |
137 | punpckhdq m0, m0 | |
138 | movd [%2+ 8], m0 | |
139 | movd [%2+16], m1 | |
140 | punpckhdq m1, m1 | |
141 | movd [%2+24], m1 | |
142 | %endmacro | |
143 | ||
144 | ||
145 | ; void ff_h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale) | |
146 | INIT_MMX mmx | |
147 | cglobal h263_h_loop_filter, 3,5,0,32 | |
148 | movsxdifnidn r1, r1d | |
149 | movsxdifnidn r2, r2d | |
150 | ||
151 | lea r4, [h263_loop_filter_strength] | |
152 | movzx r3d, BYTE [r4+r2] | |
153 | movsx r2, r3b | |
154 | shl r2, 1 | |
155 | ||
156 | sub r0, 2 | |
157 | lea r3, [r1*3] | |
158 | ||
159 | TRANSPOSE4X4 r0, rsp | |
160 | lea r4, [r0+r1*4] | |
161 | TRANSPOSE4X4 r4, rsp+4 | |
162 | ||
163 | H263_LOOP_FILTER rsp, rsp+8, rsp+16, rsp+24, r2d | |
164 | ||
165 | mova m1, m5 | |
166 | mova m0, m4 | |
167 | punpcklbw m5, m3 | |
168 | punpcklbw m4, m6 | |
169 | punpckhbw m1, m3 | |
170 | punpckhbw m0, m6 | |
171 | mova m3, m5 | |
172 | mova m6, m1 | |
173 | punpcklwd m5, m4 | |
174 | punpcklwd m1, m0 | |
175 | punpckhwd m3, m4 | |
176 | punpckhwd m6, m0 | |
177 | movd [r0], m5 | |
178 | punpckhdq m5, m5 | |
179 | movd [r0+r1*1], m5 | |
180 | movd [r0+r1*2], m3 | |
181 | punpckhdq m3, m3 | |
182 | movd [r0+r3], m3 | |
183 | movd [r4], m1 | |
184 | punpckhdq m1, m1 | |
185 | movd [r4+r1*1], m1 | |
186 | movd [r4+r1*2], m6 | |
187 | punpckhdq m6, m6 | |
188 | movd [r4+r3], m6 | |
189 | RET |