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;******************************************************************************
;* V210 SIMD pack
;* Copyright (c) 2014 Kieran Kunhya <kierank@obe.tv>
;*
;* This file is part of Libav.
;*
;* Libav 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.
;*
;* Libav 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 Libav; 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_enc_min_10: times 8 dw 0x4
v210_enc_max_10: times 8 dw 0x3fb
v210_enc_luma_mult_10: dw 4,1,16,4,1,16,0,0
v210_enc_luma_shuf_10: db -1,0,1,-1,2,3,4,5,-1,6,7,-1,8,9,10,11
v210_enc_chroma_mult_10: dw 1,4,16,0,16,1,4,0
v210_enc_chroma_shuf_10: db 0,1,8,9,-1,2,3,-1,10,11,4,5,-1,12,13,-1
v210_enc_min_8: times 16 db 0x1
v210_enc_max_8: times 16 db 0xfe
v210_enc_luma_shuf_8: db 6,-1,7,-1,8,-1,9,-1,10,-1,11,-1,-1,-1,-1,-1
v210_enc_luma_mult_8: dw 16,4,64,16,4,64,0,0
v210_enc_chroma_shuf1_8: db 0,-1,1,-1,2,-1,3,-1,8,-1,9,-1,10,-1,11,-1
v210_enc_chroma_shuf2_8: db 3,-1,4,-1,5,-1,7,-1,11,-1,12,-1,13,-1,15,-1
v210_enc_chroma_mult_8: dw 4,16,64,0,64,4,16,0
SECTION .text
%macro v210_planar_pack_10 0
; v210_planar_pack_10(const uint16_t *y, const uint16_t *u, const uint16_t *v, uint8_t *dst, ptrdiff_t width)
cglobal v210_planar_pack_10, 5, 5, 4, y, u, v, dst, width
lea r0, [yq+2*widthq]
add uq, widthq
add vq, widthq
neg widthq
mova m2, [v210_enc_min_10]
mova m3, [v210_enc_max_10]
.loop
movu m0, [yq+2*widthq]
CLIPW m0, m2, m3
movq m1, [uq+widthq]
movhps m1, [vq+widthq]
CLIPW m1, m2, m3
pmullw m0, [v210_enc_luma_mult_10]
pshufb m0, [v210_enc_luma_shuf_10]
pmullw m1, [v210_enc_chroma_mult_10]
pshufb m1, [v210_enc_chroma_shuf_10]
por m0, m1
movu [dstq], m0
add dstq, mmsize
add widthq, 6
jl .loop
RET
%endmacro
INIT_XMM ssse3
v210_planar_pack_10
%macro v210_planar_pack_8 0
; v210_planar_pack_8(const uint8_t *y, const uint8_t *u, const uint8_t *v, uint8_t *dst, ptrdiff_t width)
cglobal v210_planar_pack_8, 5, 5, 7, y, u, v, dst, width
add yq, widthq
shr widthq, 1
add uq, widthq
add vq, widthq
neg widthq
mova m4, [v210_enc_min_8]
mova m5, [v210_enc_max_8]
pxor m6, m6
.loop
movu m1, [yq+2*widthq]
CLIPUB m1, m4, m5
punpcklbw m0, m1, m6
; can't unpack high bytes in the same way because we process
; only six bytes at a time
pshufb m1, [v210_enc_luma_shuf_8]
pmullw m0, [v210_enc_luma_mult_8]
pmullw m1, [v210_enc_luma_mult_8]
pshufb m0, [v210_enc_luma_shuf_10]
pshufb m1, [v210_enc_luma_shuf_10]
movq m3, [uq+widthq]
movhps m3, [vq+widthq]
CLIPUB m3, m4, m5
; shuffle and multiply to get the same packing as in 10-bit
pshufb m2, m3, [v210_enc_chroma_shuf1_8]
pshufb m3, [v210_enc_chroma_shuf2_8]
pmullw m2, [v210_enc_chroma_mult_8]
pmullw m3, [v210_enc_chroma_mult_8]
pshufb m2, [v210_enc_chroma_shuf_10]
pshufb m3, [v210_enc_chroma_shuf_10]
por m0, m2
por m1, m3
movu [dstq], m0
movu [dstq+mmsize], m1
add dstq, 2*mmsize
add widthq, 6
jl .loop
RET
%endmacro
INIT_XMM ssse3
v210_planar_pack_8
INIT_XMM avx
v210_planar_pack_8
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