aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/x86/v210enc.asm
blob: 0545454c472dc6dff85f1c20b17a2ea423c76b76 (plain) (blame)
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
;******************************************************************************
;* V210 SIMD pack
;* Copyright (c) 2014 Kieran Kunhya <kierank@obe.tv>
;*
;* 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 32

cextern pw_4
%define v210_enc_min_10 pw_4
v210_enc_max_10: times 16 dw 0x3fb

v210_enc_luma_mult_10: times 2 dw 4,1,16,4,1,16,0,0
v210_enc_luma_shuf_10: times 2 db -1,0,1,-1,2,3,4,5,-1,6,7,-1,8,9,10,11

v210_enc_chroma_mult_10: times 2 dw 1,4,16,0,16,1,4,0
v210_enc_chroma_shuf_10: times 2 db 0,1,8,9,-1,2,3,-1,10,11,4,5,-1,12,13,-1

cextern pb_1
%define v210_enc_min_8 pb_1
cextern pb_FE
%define v210_enc_max_8 pb_FE

v210_enc_luma_shuf_8: times 2 db 6,-1,7,-1,8,-1,9,-1,10,-1,11,-1,-1,-1,-1,-1
v210_enc_luma_mult_8: times 2 dw 16,4,64,16,4,64,0,0

v210_enc_chroma_shuf1_8: times 2 db 0,-1,1,-1,2,-1,3,-1,8,-1,9,-1,10,-1,11,-1
v210_enc_chroma_shuf2_8: times 2 db 3,-1,4,-1,5,-1,7,-1,11,-1,12,-1,13,-1,15,-1

v210_enc_chroma_mult_8: times 2 dw 4,16,64,0,64,4,16,0

SECTION .text

%macro v210_planar_pack_10 0

; v210_planar_pack_10(const uint16_t *y, const uint16_t *u, const uint16_t *v, uint8_t *dst, ptrdiff_t width)
cglobal v210_planar_pack_10, 5, 5, 4+cpuflag(avx2), y, u, v, dst, width
    lea     r0, [yq+2*widthq]
    add     uq, widthq
    add     vq, widthq
    neg     widthq

    mova    m2, [v210_enc_min_10]
    mova    m3, [v210_enc_max_10]

.loop:
    movu        xm0, [yq+2*widthq]
%if cpuflag(avx2)
    vinserti128 m0,   m0, [yq+widthq*2+12], 1
%endif
    CLIPW   m0, m2, m3

    movq         xm1, [uq+widthq]
    movhps       xm1, [vq+widthq]
%if cpuflag(avx2)
    movq         xm4, [uq+widthq+6]
    movhps       xm4, [vq+widthq+6]
    vinserti128  m1,   m1, xm4, 1
%endif
    CLIPW   m1, m2, m3

    pmullw  m0, [v210_enc_luma_mult_10]
    pshufb  m0, [v210_enc_luma_shuf_10]

    pmullw  m1, [v210_enc_chroma_mult_10]
    pshufb  m1, [v210_enc_chroma_shuf_10]

    por     m0, m1

    movu    [dstq], m0

    add     dstq, mmsize
    add     widthq, (mmsize*3)/8
    jl .loop

    RET
%endmacro

INIT_XMM ssse3
v210_planar_pack_10

%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
v210_planar_pack_10
%endif

%macro v210_planar_pack_8 0

; v210_planar_pack_8(const uint8_t *y, const uint8_t *u, const uint8_t *v, uint8_t *dst, ptrdiff_t width)
cglobal v210_planar_pack_8, 5, 5, 7, y, u, v, dst, width
    add     yq, widthq
    shr     widthq, 1
    add     uq, widthq
    add     vq, widthq
    neg     widthq

    mova    m4, [v210_enc_min_8]
    mova    m5, [v210_enc_max_8]
    pxor    m6, m6

.loop:
    movu        xm1, [yq+widthq*2]
%if cpuflag(avx2)
    vinserti128 m1,   m1, [yq+widthq*2+12], 1
%endif
    CLIPUB  m1, m4, m5

    punpcklbw m0, m1, m6
    ; can't unpack high bytes in the same way because we process
    ; only six bytes at a time
    pshufb  m1, [v210_enc_luma_shuf_8]

    pmullw  m0, [v210_enc_luma_mult_8]
    pmullw  m1, [v210_enc_luma_mult_8]
    pshufb  m0, [v210_enc_luma_shuf_10]
    pshufb  m1, [v210_enc_luma_shuf_10]

    movq         xm3, [uq+widthq]
    movhps       xm3, [vq+widthq]
%if cpuflag(avx2)
    movq         xm2, [uq+widthq+6]
    movhps       xm2, [vq+widthq+6]
    vinserti128  m3,   m3, xm2, 1
%endif
    CLIPUB  m3, m4, m5

    ; shuffle and multiply to get the same packing as in 10-bit
    pshufb  m2, m3, [v210_enc_chroma_shuf1_8]
    pshufb  m3, [v210_enc_chroma_shuf2_8]

    pmullw  m2, [v210_enc_chroma_mult_8]
    pmullw  m3, [v210_enc_chroma_mult_8]
    pshufb  m2, [v210_enc_chroma_shuf_10]
    pshufb  m3, [v210_enc_chroma_shuf_10]

    por     m0, m2
    por     m1, m3

    movu         [dstq],    xm0
    movu         [dstq+16], xm1
%if cpuflag(avx2)
    vextracti128 [dstq+32], m0, 1
    vextracti128 [dstq+48], m1, 1
%endif

    add     dstq, 2*mmsize
    add     widthq, (mmsize*3)/8
    jl .loop

    RET
%endmacro

INIT_XMM ssse3
v210_planar_pack_8
INIT_XMM avx
v210_planar_pack_8

%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
v210_planar_pack_8
%endif