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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
;******************************************************************************
;* optimized bswap buffer functions
;* Copyright (c) 2008 Loren Merritt
;* Copyright (c) 2003-2013 Michael Niedermayer
;* Copyright (c) 2013 Daniel Kang
;*
;* 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/x86util.asm"
SECTION_RODATA
pb_bswap32: db 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
cextern pb_80
SECTION_TEXT
; %1 = aligned/unaligned
%macro BSWAP_LOOPS 1
mov r3, r2
sar r2, 3
jz .left4_%1
.loop8_%1:
mov%1 m0, [r1 + 0]
mov%1 m1, [r1 + 16]
%if cpuflag(ssse3)
pshufb m0, m2
pshufb m1, m2
mov%1 [r0 + 0], m0
mov%1 [r0 + 16], m1
%else
pshuflw m0, m0, 10110001b
pshuflw m1, m1, 10110001b
pshufhw m0, m0, 10110001b
pshufhw m1, m1, 10110001b
mova m2, m0
mova m3, m1
psllw m0, 8
psllw m1, 8
psrlw m2, 8
psrlw m3, 8
por m2, m0
por m3, m1
mov%1 [r0 + 0], m2
mov%1 [r0 + 16], m3
%endif
add r0, 32
add r1, 32
dec r2
jnz .loop8_%1
.left4_%1:
mov r2, r3
and r3, 4
jz .left
mov%1 m0, [r1]
%if cpuflag(ssse3)
pshufb m0, m2
mov%1 [r0], m0
%else
pshuflw m0, m0, 10110001b
pshufhw m0, m0, 10110001b
mova m2, m0
psllw m0, 8
psrlw m2, 8
por m2, m0
mov%1 [r0], m2
%endif
add r1, 16
add r0, 16
%endmacro
; void ff_bswap_buf(uint32_t *dst, const uint32_t *src, int w);
%macro BSWAP32_BUF 0
%if cpuflag(ssse3)
cglobal bswap32_buf, 3,4,3
mov r3, r1
mova m2, [pb_bswap32]
%else
cglobal bswap32_buf, 3,4,5
mov r3, r1
%endif
or r3, r0
and r3, 15
jz .start_align
BSWAP_LOOPS u
jmp .left
.start_align:
BSWAP_LOOPS a
.left:
%if cpuflag(ssse3)
mov r3, r2
and r2, 2
jz .left1
movq m0, [r1]
pshufb m0, m2
movq [r0], m0
add r1, 8
add r0, 8
.left1:
and r3, 1
jz .end
mov r2d, [r1]
bswap r2d
mov [r0], r2d
%else
and r2, 3
jz .end
.loop2:
mov r3d, [r1]
bswap r3d
mov [r0], r3d
add r1, 4
add r0, 4
dec r2
jnz .loop2
%endif
.end:
RET
%endmacro
INIT_XMM sse2
BSWAP32_BUF
INIT_XMM ssse3
BSWAP32_BUF
;--------------------------------------------------------------------------
;void ff_put_signed_pixels_clamped(const int16_t *block, uint8_t *pixels,
; int line_size)
;--------------------------------------------------------------------------
%macro PUT_SIGNED_PIXELS_CLAMPED_HALF 1
mova m1, [blockq+mmsize*0+%1]
mova m2, [blockq+mmsize*2+%1]
%if mmsize == 8
mova m3, [blockq+mmsize*4+%1]
mova m4, [blockq+mmsize*6+%1]
%endif
packsswb m1, [blockq+mmsize*1+%1]
packsswb m2, [blockq+mmsize*3+%1]
%if mmsize == 8
packsswb m3, [blockq+mmsize*5+%1]
packsswb m4, [blockq+mmsize*7+%1]
%endif
paddb m1, m0
paddb m2, m0
%if mmsize == 8
paddb m3, m0
paddb m4, m0
movq [pixelsq+lsizeq*0], m1
movq [pixelsq+lsizeq*1], m2
movq [pixelsq+lsizeq*2], m3
movq [pixelsq+lsize3q ], m4
%else
movq [pixelsq+lsizeq*0], m1
movhps [pixelsq+lsizeq*1], m1
movq [pixelsq+lsizeq*2], m2
movhps [pixelsq+lsize3q ], m2
%endif
%endmacro
%macro PUT_SIGNED_PIXELS_CLAMPED 1
cglobal put_signed_pixels_clamped, 3, 4, %1, block, pixels, lsize, lsize3
mova m0, [pb_80]
lea lsize3q, [lsizeq*3]
PUT_SIGNED_PIXELS_CLAMPED_HALF 0
lea pixelsq, [pixelsq+lsizeq*4]
PUT_SIGNED_PIXELS_CLAMPED_HALF 64
RET
%endmacro
INIT_MMX mmx
PUT_SIGNED_PIXELS_CLAMPED 0
INIT_XMM sse2
PUT_SIGNED_PIXELS_CLAMPED 3
|
