;****************************************************************************** ;* V210 SIMD unpack ;* Copyright (c) 2011 Loren Merritt ;* Copyright (c) 2011 Kieran Kunhya ;* ;* 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