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;******************************************************************************
;* 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
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