1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
;******************************************************************************
;* MMX/SSE2-optimized functions for the VP6 decoder
;* Copyright (C) 2009 Sebastien Lucas <sebastien.lucas@gmail.com>
;* Copyright (C) 2009 Zuxy Meng <zuxy.meng@gmail.com>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86inc.asm"
%include "libavutil/x86/x86util.asm"
cextern pw_64
SECTION .text
%macro DIAG4 6
%if mmsize == 8
movq m0, [%1+%2]
movq m1, [%1+%3]
movq m3, m0
movq m4, m1
punpcklbw m0, m7
punpcklbw m1, m7
punpckhbw m3, m7
punpckhbw m4, m7
pmullw m0, [rsp+8*11] ; src[x-8 ] * biweight [0]
pmullw m1, [rsp+8*12] ; src[x ] * biweight [1]
pmullw m3, [rsp+8*11] ; src[x-8 ] * biweight [0]
pmullw m4, [rsp+8*12] ; src[x ] * biweight [1]
paddw m0, m1
paddw m3, m4
movq m1, [%1+%4]
movq m2, [%1+%5]
movq m4, m1
movq m5, m2
punpcklbw m1, m7
punpcklbw m2, m7
punpckhbw m4, m7
punpckhbw m5, m7
pmullw m1, [rsp+8*13] ; src[x+8 ] * biweight [2]
pmullw m2, [rsp+8*14] ; src[x+16] * biweight [3]
pmullw m4, [rsp+8*13] ; src[x+8 ] * biweight [2]
pmullw m5, [rsp+8*14] ; src[x+16] * biweight [3]
paddw m1, m2
paddw m4, m5
paddsw m0, m1
paddsw m3, m4
paddsw m0, m6 ; Add 64
paddsw m3, m6 ; Add 64
psraw m0, 7
psraw m3, 7
packuswb m0, m3
movq [%6], m0
%else ; mmsize == 16
movq m0, [%1+%2]
movq m1, [%1+%3]
punpcklbw m0, m7
punpcklbw m1, m7
pmullw m0, m4 ; src[x-8 ] * biweight [0]
pmullw m1, m5 ; src[x ] * biweight [1]
paddw m0, m1
movq m1, [%1+%4]
movq m2, [%1+%5]
punpcklbw m1, m7
punpcklbw m2, m7
pmullw m1, m6 ; src[x+8 ] * biweight [2]
pmullw m2, m3 ; src[x+16] * biweight [3]
paddw m1, m2
paddsw m0, m1
paddsw m0, [pw_64] ; Add 64
psraw m0, 7
packuswb m0, m0
movq [%6], m0
%endif ; mmsize == 8/16
%endmacro
%macro SPLAT4REGS 0
%if mmsize == 8
movq m5, m3
punpcklwd m3, m3
movq m4, m3
punpckldq m3, m3
punpckhdq m4, m4
punpckhwd m5, m5
movq m2, m5
punpckhdq m2, m2
punpckldq m5, m5
movq [rsp+8*11], m3
movq [rsp+8*12], m4
movq [rsp+8*13], m5
movq [rsp+8*14], m2
%else ; mmsize == 16
pshuflw m4, m3, 0x0
pshuflw m5, m3, 0x55
pshuflw m6, m3, 0xAA
pshuflw m3, m3, 0xFF
punpcklqdq m4, m4
punpcklqdq m5, m5
punpcklqdq m6, m6
punpcklqdq m3, m3
%endif ; mmsize == 8/16
%endmacro
%macro vp6_filter_diag4 0
; void ff_vp6_filter_diag4_<opt>(uint8_t *dst, uint8_t *src, int stride,
; const int16_t h_weight[4], const int16_t v_weights[4])
cglobal vp6_filter_diag4, 5, 7, 8
mov r5, rsp ; backup stack pointer
and rsp, ~(mmsize-1) ; align stack
%if mmsize == 16
sub rsp, 8*11
%else
sub rsp, 8*15
movq m6, [pw_64]
%endif
%if ARCH_X86_64
movsxd r2, r2d
%endif
sub r1, r2
pxor m7, m7
movq m3, [r3]
SPLAT4REGS
mov r3, rsp
mov r6, 11
.nextrow:
DIAG4 r1, -1, 0, 1, 2, r3
add r3, 8
add r1, r2
dec r6
jnz .nextrow
movq m3, [r4]
SPLAT4REGS
lea r3, [rsp+8]
mov r6, 8
.nextcol:
DIAG4 r3, -8, 0, 8, 16, r0
add r3, 8
add r0, r2
dec r6
jnz .nextcol
mov rsp, r5 ; restore stack pointer
RET
%endmacro
%if ARCH_X86_32
INIT_MMX mmx
vp6_filter_diag4
%endif
INIT_XMM sse2
vp6_filter_diag4
|
