| ;****************************************************************************** |
| ;* V210 SIMD unpack |
| ;* Copyright (c) 2011 Loren Merritt <lorenm@u.washington.edu> |
| ;* Copyright (c) 2011 Kieran Kunhya <kieran@kunhya.com> |
| ;* |
| ;* 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 |
| |
| v210_mask: times 4 dd 0x3ff |
| 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 |
| |
| 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, 7 |
| movsxdifnidn r4, r4d |
| lea r1, [r1+2*r4] |
| add r2, r4 |
| add r3, r4 |
| neg r4 |
| |
| mova m3, [v210_mult] |
| mova m4, [v210_mask] |
| mova m5, [v210_luma_shuf] |
| mova m6, [v210_chroma_shuf] |
| .loop: |
| %ifidn %1, unaligned |
| movu m0, [r0] |
| %else |
| mova m0, [r0] |
| %endif |
| |
| pmullw m1, m0, m3 |
| psrld m0, 10 |
| psrlw m1, 6 ; u0 v0 y1 y2 v1 u2 y4 y5 |
| pand m0, m4 ; y0 __ u1 __ y3 __ v2 __ |
| |
| shufps m2, m1, m0, 0x8d ; y1 y2 y4 y5 y0 __ y3 __ |
| pshufb m2, m5 ; y0 y1 y2 y3 y4 y5 __ __ |
| movu [r1+2*r4], m2 |
| |
| shufps m1, m0, 0xd8 ; u0 v0 v1 u2 u1 __ v2 __ |
| pshufb m1, m6 ; u0 u1 u2 __ v0 v1 v2 __ |
| movq [r2+r4], m1 |
| movhps [r3+r4], m1 |
| |
| add r0, mmsize |
| add r4, 6 |
| jl .loop |
| |
| REP_RET |
| %endmacro |
| |
| INIT_XMM ssse3 |
| v210_planar_unpack unaligned |
| |
| %if HAVE_AVX_EXTERNAL |
| INIT_XMM avx |
| v210_planar_unpack unaligned |
| %endif |
| |
| INIT_XMM ssse3 |
| v210_planar_unpack aligned |
| |
| %if HAVE_AVX_EXTERNAL |
| INIT_XMM avx |
| v210_planar_unpack aligned |
| %endif |