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85 lines
2.4 KiB
85 lines
2.4 KiB
;****************************************************************************** |
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;* V210 SIMD unpack |
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;* Copyright (c) 2011 Loren Merritt <lorenm@u.washington.edu> |
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;* Copyright (c) 2011 Kieran Kunhya <kieran@kunhya.com> |
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;* |
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;* This file is part of Libav. |
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;* |
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;* Libav is free software; you can redistribute it and/or |
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;* modify it under the terms of the GNU Lesser General Public |
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;* License as published by the Free Software Foundation; either |
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;* version 2.1 of the License, or (at your option) any later version. |
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;* |
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;* Libav is distributed in the hope that it will be useful, |
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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;* Lesser General Public License for more details. |
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;* |
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;* You should have received a copy of the GNU Lesser General Public |
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;* License along with Libav; if not, write to the Free Software |
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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;****************************************************************************** |
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%include "libavutil/x86/x86inc.asm" |
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%include "libavutil/x86/x86util.asm" |
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SECTION_RODATA |
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v210_mask: times 4 dd 0x3ff |
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v210_mult: dw 64,4,64,4,64,4,64,4 |
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v210_luma_shuf: db 8,9,0,1,2,3,12,13,4,5,6,7,-1,-1,-1,-1 |
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v210_chroma_shuf: db 0,1,8,9,6,7,-1,-1,2,3,4,5,12,13,-1,-1 |
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SECTION .text |
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%macro v210_planar_unpack 2 |
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; v210_planar_unpack(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width) |
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cglobal v210_planar_unpack_%1_%2, 5, 5 |
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movsxdifnidn r4, r4d |
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lea r1, [r1+2*r4] |
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add r2, r4 |
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add r3, r4 |
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neg r4 |
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mova m3, [v210_mult] |
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mova m4, [v210_mask] |
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mova m5, [v210_luma_shuf] |
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mova m6, [v210_chroma_shuf] |
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.loop |
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%ifidn %1, unaligned |
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movu m0, [r0] |
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%else |
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mova m0, [r0] |
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%endif |
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pmullw m1, m0, m3 |
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psrld m0, 10 |
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psrlw m1, 6 ; u0 v0 y1 y2 v1 u2 y4 y5 |
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pand m0, m4 ; y0 __ u1 __ y3 __ v2 __ |
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shufps m2, m1, m0, 0x8d ; y1 y2 y4 y5 y0 __ y3 __ |
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pshufb m2, m5 ; y0 y1 y2 y3 y4 y5 __ __ |
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movu [r1+2*r4], m2 |
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shufps m1, m0, 0xd8 ; u0 v0 v1 u2 u1 __ v2 __ |
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pshufb m1, m6 ; u0 u1 u2 __ v0 v1 v2 __ |
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movq [r2+r4], m1 |
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movhps [r3+r4], m1 |
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add r0, mmsize |
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add r4, 6 |
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jl .loop |
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REP_RET |
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%endmacro |
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INIT_XMM |
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v210_planar_unpack unaligned, ssse3 |
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INIT_AVX |
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v210_planar_unpack unaligned, avx |
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INIT_XMM |
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v210_planar_unpack aligned, ssse3 |
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INIT_AVX |
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v210_planar_unpack aligned, avx
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