File size: 5,842 Bytes
8ead80b |
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 |
;******************************************************************************
;* V210 SIMD unpack
;* Copyright (c) 2011 Loren Merritt <[email protected]>
;* Copyright (c) 2011 Kieran Kunhya <[email protected]>
;*
;* 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 64
perm_y:
db 0,1, 4,5, 6,7, 8,9, 12,13, 14,15, 16,17, 20,21
db 22,23, 24,25, 28,29, 30,31, 32,33, 36,37, 38,39, 40,41
db 44,45, 46,47, 48,49, 52,53, 54,55, 56,57, 60,61, 62,63
times 16 db 0xff ; align to 64
perm_uv:
db 0,1, 4,5, 10,11, 16,17, 20,21, 26,27, 32,33, 36,37
db 42,43, 48,49, 52,53, 58,59
times 8 db 0xff ; align to 32
db 2,3, 8,9, 12,13, 18,19, 24,25, 28,29, 34,35, 40,41
db 44,45, 50,51, 56,57, 60,61
times 8 db 0xff ; align to 32
; for AVX2 version only
v210_luma_permute: dd 0,1,2,4,5,6,7,7 ; 32-byte alignment required
v210_chroma_shuf2: db 0,1,2,3,4,5,8,9,10,11,12,13,-1,-1,-1,-1
v210_luma_shuf_avx2: db 0,1,4,5,6,7,8,9,12,13,14,15,-1,-1,-1,-1
v210_chroma_shuf_avx2: db 0,1,4,5,10,11,-1,-1,2,3,8,9,12,13,-1,-1
v210_mult: dw 64,4,64,4,64,4,64,4
v210_luma_shuf: db 8,9,0,1,2,3,12,13,4,5,6,7,-1,-1,-1,-1
v210_chroma_shuf: db 0,1,8,9,6,7,-1,-1,2,3,4,5,12,13,-1,-1
shift: times 4 dw 6, 2
kmask: dw 0x5555, 0xaaaa
SECTION .text
%macro v210_planar_unpack 1
; v210_planar_unpack(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
cglobal v210_planar_unpack_%1, 5, 5, 6 + 2 * cpuflag(avx2), src, y, u, v, w
movsxdifnidn wq, wd
lea yq, [yq+2*wq]
add uq, wq
add vq, wq
neg wq
VBROADCASTI128 m3, [v210_mult]
%if cpuflag(avx2)
VBROADCASTI128 m4, [v210_luma_shuf_avx2]
VBROADCASTI128 m5, [v210_chroma_shuf_avx2]
mova m6, [v210_luma_permute]
VBROADCASTI128 m7, [v210_chroma_shuf2]
%else
VBROADCASTI128 m4, [v210_luma_shuf]
VBROADCASTI128 m5, [v210_chroma_shuf]
%endif
.loop:
%ifidn %1, unaligned
movu m0, [srcq] ; yB v5 yA u5 y9 v4 y8 u4 y7 v3 y6 u3 y5 v2 y4 u2 y3 v1 y2 u1 y1 v0 y0 u0
%else
mova m0, [srcq]
%endif
pmullw m1, m0, m3 ; shifts the 1st and 3rd sample of each dword into the high 10 bits of each word
pslld m0, 12 ; shifts the 2nd sample of each dword into the high 10 bits of each dword
psrlw m1, 6 ; shifts the 1st and 3rd samples back into the low 10 bits
psrld m0, 22 ; shifts the 2nd sample back into the low 10 bits of each dword
%if cpuflag(avx2)
vpblendd m2, m1, m0, 0x55 ; merge the odd dwords from m0 and even from m1 ; yB yA 00 y9 y8 y7 00 y6 y5 y4 00 y3 y2 y1 00 y0
pshufb m2, m4 ; 00 00 yB yA y9 y8 y7 y6 00 00 y5 y4 y3 y2 y1 y0
vpermd m2, m6, m2 ; 00 00 00 00 yB yA y9 y8 y7 y6 y5 y4 y3 y2 y1 y0
movu [yq+2*wq], m2
vpblendd m1, m1, m0, 0xaa ; merge the even dwords from m0 and odd from m1 ; 00 v5 u5 v4 00 u4 v3 u3 00 v2 u2 v1 00 u1 v0 u0
pshufb m1, m5 ; 00 v5 v4 v3 00 u5 u4 u3 00 v2 v1 v0 00 u2 u1 u0
vpermq m1, m1, 0xd8 ; 00 v5 v4 v3 00 v2 v1 v0 00 u5 u4 u3 00 u2 u1 u0
pshufb m1, m7 ; 00 00 v5 v4 v3 v2 v1 v0 00 00 u5 u4 u3 u2 u1 u0
movu [uq+wq], xm1
vextracti128 [vq+wq], m1, 1
%else
shufps m2, m1, m0, 0x8d ; 00 y9 00 y6 yB yA y8 y7 00 y3 00 y0 y5 y4 y2 y1
pshufb m2, m4 ; 00 00 yB yA y9 y8 y7 y6 00 00 y5 y4 y3 y2 y1 y0
movu [yq+2*wq], m2
shufps m1, m0, 0xd8 ; 00 v5 00 u4 u5 v4 v3 u3 00 v2 00 u1 u2 v1 v0 u0
pshufb m1, m5 ; 00 v5 v4 v3 00 u5 u4 u3 00 v2 v1 v0 00 u2 u1 u0
movq [uq+wq], m1
movhps [vq+wq], m1
%endif
add srcq, mmsize
add wq, (mmsize*3)/8
jl .loop
RET
%endmacro
INIT_XMM ssse3
v210_planar_unpack unaligned
%if HAVE_AVX_EXTERNAL
INIT_XMM avx
v210_planar_unpack unaligned
%endif
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
v210_planar_unpack unaligned
%endif
INIT_XMM ssse3
v210_planar_unpack aligned
%if HAVE_AVX_EXTERNAL
INIT_XMM avx
v210_planar_unpack aligned
%endif
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
v210_planar_unpack aligned
%endif
%if HAVE_AVX512ICL_EXTERNAL
INIT_ZMM avx512icl
cglobal v210_planar_unpack, 5, 5, 6, src, y, u, v, w
movsxdifnidn wq, wd
lea yq, [yq+2*wq]
add uq, wq
add vq, wq
neg wq
kmovw k1, [kmask] ; odd dword mask
kmovw k2, [kmask+2] ; even dword mask
VBROADCASTI128 m0, [shift]
mova m1, [perm_y]
mova m2, [perm_uv]
.loop:
movu m3, [srcq]
vpsllvw m4, m3, m0
pslld m5, m3, 12
psrlw m4, 6
psrld m5, 22
vpblendmd m3{k1}, m4, m5
vpermb m3, m1, m3 ; could use vpcompressw
movu [yq+2*wq], m3
vpblendmd m5{k2}, m4, m5
vpermb m5, m2, m5
movu [uq+wq], ym5
vextracti32x8 [vq+wq], zm5, 1
add srcq, mmsize
add wq, (mmsize*3)/8
jl .loop
RET
%endif
|