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;*****************************************************************************
;* x86-optimized functions for atadenoise filter
;*
;* Copyright (C) 2019 Paul B Mahol
;*
;* 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
;******************************************************************************
%if ARCH_X86_64
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
pw_one: times 8 dw 1
pw_ones: times 8 dw 65535
SECTION .text
;------------------------------------------------------------------------------
; void ff_filter_row(const uint8_t *src, uint8_t *dst,
; const uint8_t **srcf,
; int w, int mid, int size,
; int thra, int thrb)
;------------------------------------------------------------------------------
INIT_XMM sse4
cglobal atadenoise_filter_row8, 8,10,13, src, dst, srcf, w, mid, size, i, j, srcfx, x
movsxdifnidn wq, wd
movsxdifnidn midq, midd
movsxdifnidn sizeq, sized
add srcq, wq
add dstq, wq
mov xq, wq
dec sizeq
neg xq
movd m4, r6m
SPLATW m4, m4
movd m5, r7m
SPLATW m5, m5
pxor m2, m2
mova m10, [pw_ones]
.loop:
mov iq, midq
mov jq, midq
pxor m3, m3
pxor m11, m11
movu m0, [srcq + xq]
punpcklbw m0, m2
mova m7, m0
mova m8, [pw_one]
mova m12, [pw_ones]
.loop0:
inc iq
dec jq
mov srcfxq, [srcfq + jq * 8]
add srcfxq, wq
movu m1, [srcfxq + xq]
punpcklbw m1, m2
mova m9, m1
psubw m1, m0
pabsw m1, m1
paddw m11, m1
pcmpgtw m1, m4
mova m6, m11
pcmpgtw m6, m5
por m6, m1
pxor m6, m10
pand m12, m6
pand m9, m12
paddw m7, m9
mova m6, m12
psrlw m6, 15
paddw m8, m6
mov srcfxq, [srcfq + iq * 8]
add srcfxq, wq
movu m1, [srcfxq + xq]
punpcklbw m1, m2
mova m9, m1
psubw m1, m0
pabsw m1, m1
paddw m3, m1
pcmpgtw m1, m4
mova m6, m3
pcmpgtw m6, m5
por m6, m1
pxor m6, m10
pand m12, m6
pand m9, m12
paddw m7, m9
mova m6, m12
psrlw m6, 15
paddw m8, m6
ptest m12, m12
jz .finish
cmp iq, sizeq
jl .loop0
.finish:
mova m9, m8
psrlw m9, 1
paddw m7, m9
mova m1, m7
mova m6, m8
punpcklwd m7, m2
punpcklwd m8, m2
cvtdq2ps m7, m7
cvtdq2ps m8, m8
divps m7, m8
cvttps2dq m7, m7
packssdw m7, m7
packuswb m7, m7
movd [dstq + xq], m7
punpckhwd m1, m2
punpckhwd m6, m2
cvtdq2ps m1, m1
cvtdq2ps m6, m6
divps m1, m6
cvttps2dq m1, m1
packssdw m1, m1
packuswb m1, m1
movd [dstq + xq + 4], m1
add xq, mmsize/2
jl .loop
RET
INIT_XMM sse4
cglobal atadenoise_filter_row8_serial, 8,10,13, src, dst, srcf, w, mid, size, i, j, srcfx, x
movsxdifnidn wq, wd
movsxdifnidn midq, midd
movsxdifnidn sizeq, sized
add srcq, wq
add dstq, wq
mov xq, wq
dec sizeq
neg xq
movd m4, r6m
SPLATW m4, m4
movd m5, r7m
SPLATW m5, m5
pxor m2, m2
mova m10, [pw_ones]
.loop:
mov iq, midq
mov jq, midq
pxor m3, m3
pxor m11, m11
movu m0, [srcq + xq]
punpcklbw m0, m2
mova m7, m0
mova m8, [pw_one]
mova m12, [pw_ones]
.loop0:
dec jq
mov srcfxq, [srcfq + jq * 8]
add srcfxq, wq
movu m1, [srcfxq + xq]
punpcklbw m1, m2
mova m9, m1
psubw m1, m0
pabsw m1, m1
paddw m11, m1
pcmpgtw m1, m4
mova m6, m11
pcmpgtw m6, m5
por m6, m1
pxor m6, m10
pand m12, m6
pand m9, m12
paddw m7, m9
mova m6, m12
psrlw m6, 15
paddw m8, m6
ptest m12, m12
jz .end_loop0
cmp jq, 0
jg .loop0
.end_loop0:
mova m12, [pw_ones]
.loop1:
inc iq
mov srcfxq, [srcfq + iq * 8]
add srcfxq, wq
movu m1, [srcfxq + xq]
punpcklbw m1, m2
mova m9, m1
psubw m1, m0
pabsw m1, m1
paddw m3, m1
pcmpgtw m1, m4
mova m6, m3
pcmpgtw m6, m5
por m6, m1
pxor m6, m10
pand m12, m6
pand m9, m12
paddw m7, m9
mova m6, m12
psrlw m6, 15
paddw m8, m6
ptest m12, m12
jz .finish
cmp iq, sizeq
jl .loop1
.finish:
mova m9, m8
psrlw m9, 1
paddw m7, m9
mova m1, m7
mova m6, m8
punpcklwd m7, m2
punpcklwd m8, m2
cvtdq2ps m7, m7
cvtdq2ps m8, m8
divps m7, m8
cvttps2dq m7, m7
packssdw m7, m7
packuswb m7, m7
movd [dstq + xq], m7
punpckhwd m1, m2
punpckhwd m6, m2
cvtdq2ps m1, m1
cvtdq2ps m6, m6
divps m1, m6
cvttps2dq m1, m1
packssdw m1, m1
packuswb m1, m1
movd [dstq + xq + 4], m1
add xq, mmsize/2
jl .loop
RET
%endif
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