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FFmpeg/libavcodec/x86/cfhddsp.asm

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;******************************************************************************
;* x86-optimized functions for the CFHD decoder
;* Copyright (c) 2020 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
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
factor_p1_n1: dw 1, -1, 1, -1, 1, -1, 1, -1,
factor_n1_p1: dw -1, 1, -1, 1, -1, 1, -1, 1,
factor_p11_n4: dw 11, -4, 11, -4, 11, -4, 11, -4,
factor_p5_p4: dw 5, 4, 5, 4, 5, 4, 5, 4,
pd_4: times 4 dd 4
pw_1: times 8 dw 1
pw_0: times 8 dw 0
pw_1023: times 8 dw 1023
pw_4095: times 8 dw 4095
SECTION .text
%macro CFHD_HORIZ_FILTER 1
%if %1 == 1023
cglobal cfhd_horiz_filter_clip10, 5, 6, 8 + 4 * ARCH_X86_64, output, low, high, width, x, temp
shl widthd, 1
%define ostrideq widthq
%define lwidthq widthq
%define hwidthq widthq
%elif %1 == 4095
cglobal cfhd_horiz_filter_clip12, 5, 6, 8 + 4 * ARCH_X86_64, output, low, high, width, x, temp
shl widthd, 1
%define ostrideq widthq
%define lwidthq widthq
%define hwidthq widthq
%else
%if ARCH_X86_64
cglobal cfhd_horiz_filter, 8, 11, 12, output, ostride, low, lwidth, high, hwidth, width, height, x, y, temp
shl ostrided, 1
shl lwidthd, 1
shl hwidthd, 1
shl widthd, 1
mov yd, heightd
neg yq
%else
cglobal cfhd_horiz_filter, 7, 7, 8, output, x, low, y, high, temp, width, height
shl xd, 1
shl yd, 1
shl tempd, 1
shl widthd, 1
mov xmp, xq
mov ymp, yq
mov tempmp, tempq
mov yd, r7m
neg yq
%define ostrideq xm
%define lwidthq ym
%define hwidthq tempm
%endif
%endif
%if ARCH_X86_64
mova m8, [factor_p1_n1]
mova m9, [factor_n1_p1]
mova m10, [pw_1]
mova m11, [pd_4]
%endif
%if %1 == 0
.looph:
%endif
movsx xq, word [lowq]
imul xq, 11
movsx tempq, word [lowq + 2]
imul tempq, -4
add tempq, xq
movsx xq, word [lowq + 4]
add tempq, xq
add tempq, 4
sar tempq, 3
movsx xq, word [highq]
add tempq, xq
sar tempq, 1
%if %1
movd xm0, tempd
CLIPW m0, [pw_0], [pw_%1]
pextrw tempd, xm0, 0
%endif
mov word [outputq], tempw
movsx xq, word [lowq]
imul xq, 5
movsx tempq, word [lowq + 2]
imul tempq, 4
add tempq, xq
movsx xq, word [lowq + 4]
sub tempq, xq
add tempq, 4
sar tempq, 3
movsx xq, word [highq]
sub tempq, xq
sar tempq, 1
%if %1
movd xm0, tempd
CLIPW m0, [pw_0], [pw_%1]
pextrw tempd, xm0, 0
%endif
mov word [outputq + 2], tempw
mov xq, 0
.loop:
movu m4, [lowq + xq]
movu m1, [lowq + xq + 4]
mova m5, m4
punpcklwd m4, m1
punpckhwd m5, m1
mova m6, m4
mova m7, m5
%if ARCH_X86_64
pmaddwd m4, m8
pmaddwd m5, m8
pmaddwd m6, m9
pmaddwd m7, m9
paddd m4, m11
paddd m5, m11
paddd m6, m11
paddd m7, m11
%else
pmaddwd m4, [factor_p1_n1]
pmaddwd m5, [factor_p1_n1]
pmaddwd m6, [factor_n1_p1]
pmaddwd m7, [factor_n1_p1]
paddd m4, [pd_4]
paddd m5, [pd_4]
paddd m6, [pd_4]
paddd m7, [pd_4]
%endif
psrad m4, 3
psrad m5, 3
psrad m6, 3
psrad m7, 3
movu m2, [lowq + xq + 2]
movu m3, [highq + xq + 2]
mova m0, m2
punpcklwd m2, m3
punpckhwd m0, m3
mova m1, m2
mova m3, m0
%if ARCH_X86_64
pmaddwd m2, m10
pmaddwd m0, m10
pmaddwd m1, m8
pmaddwd m3, m8
%else
pmaddwd m2, [pw_1]
pmaddwd m0, [pw_1]
pmaddwd m1, [factor_p1_n1]
pmaddwd m3, [factor_p1_n1]
%endif
paddd m2, m4
paddd m0, m5
paddd m1, m6
paddd m3, m7
psrad m2, 1
psrad m0, 1
psrad m1, 1
psrad m3, 1
packssdw m2, m0
packssdw m1, m3
mova m0, m2
punpcklwd m2, m1
punpckhwd m0, m1
%if %1
CLIPW m2, [pw_0], [pw_%1]
CLIPW m0, [pw_0], [pw_%1]
%endif
movu [outputq + xq * 2 + 4], m2
movu [outputq + xq * 2 + mmsize + 4], m0
add xq, mmsize
cmp xq, widthq
jl .loop
add lowq, widthq
add highq, widthq
add outputq, widthq
add outputq, widthq
movsx xq, word [lowq - 2]
imul xq, 5
movsx tempq, word [lowq - 4]
imul tempq, 4
add tempq, xq
movsx xq, word [lowq - 6]
sub tempq, xq
add tempq, 4
sar tempq, 3
movsx xq, word [highq - 2]
add tempq, xq
sar tempq, 1
%if %1
movd xm0, tempd
CLIPW m0, [pw_0], [pw_%1]
pextrw tempd, xm0, 0
%endif
mov word [outputq - 4], tempw
movsx xq, word [lowq - 2]
imul xq, 11
movsx tempq, word [lowq - 4]
imul tempq, -4
add tempq, xq
movsx xq, word [lowq - 6]
add tempq, xq
add tempq, 4
sar tempq, 3
movsx xq, word [highq - 2]
sub tempq, xq
sar tempq, 1
%if %1
movd xm0, tempd
CLIPW m0, [pw_0], [pw_%1]
pextrw tempd, xm0, 0
%endif
mov word [outputq - 2], tempw
%if %1 == 0
sub lowq, widthq
sub highq, widthq
sub outputq, widthq
sub outputq, widthq
add lowq, lwidthq
add highq, hwidthq
add outputq, ostrideq
add outputq, ostrideq
add yq, 1
jl .looph
%endif
RET
%endmacro
INIT_XMM sse2
CFHD_HORIZ_FILTER 0
INIT_XMM sse2
CFHD_HORIZ_FILTER 1023
INIT_XMM sse2
CFHD_HORIZ_FILTER 4095
INIT_XMM sse2
%if ARCH_X86_64
cglobal cfhd_vert_filter, 8, 11, 14, output, ostride, low, lwidth, high, hwidth, width, height, x, y, pos
shl ostrided, 1
shl lwidthd, 1
shl hwidthd, 1
shl widthd, 1
dec heightd
mova m8, [factor_p1_n1]
mova m9, [factor_n1_p1]
mova m10, [pw_1]
mova m11, [pd_4]
mova m12, [factor_p11_n4]
mova m13, [factor_p5_p4]
%else
cglobal cfhd_vert_filter, 7, 7, 8, output, x, low, y, high, pos, width, height
shl xd, 1
shl yd, 1
shl posd, 1
shl widthd, 1
mov xmp, xq
mov ymp, yq
mov posmp, posq
mov xq, r7m
dec xq
mov widthmp, xq
%define ostrideq xm
%define lwidthq ym
%define hwidthq posm
%define heightq widthm
%endif
xor xq, xq
.loopw:
xor yq, yq
mov posq, xq
movu m0, [lowq + posq]
add posq, lwidthq
movu m1, [lowq + posq]
mova m2, m0
punpcklwd m0, m1
punpckhwd m2, m1
%if ARCH_X86_64
pmaddwd m0, m12
pmaddwd m2, m12
%else
pmaddwd m0, [factor_p11_n4]
pmaddwd m2, [factor_p11_n4]
%endif
pxor m4, m4
add posq, lwidthq
movu m1, [lowq + posq]
mova m3, m4
punpcklwd m4, m1
punpckhwd m3, m1
psrad m4, 16
psrad m3, 16
paddd m0, m4
paddd m2, m3
paddd m0, [pd_4]
paddd m2, [pd_4]
psrad m0, 3
psrad m2, 3
mov posq, xq
pxor m4, m4
movu m1, [highq + posq]
mova m3, m4
punpcklwd m4, m1
punpckhwd m3, m1
psrad m4, 16
psrad m3, 16
paddd m0, m4
paddd m2, m3
psrad m0, 1
psrad m2, 1
packssdw m0, m2
movu [outputq + posq], m0
movu m0, [lowq + posq]
add posq, lwidthq
movu m1, [lowq + posq]
mova m2, m0
punpcklwd m0, m1
punpckhwd m2, m1
%if ARCH_X86_64
pmaddwd m0, m13
pmaddwd m2, m13
%else
pmaddwd m0, [factor_p5_p4]
pmaddwd m2, [factor_p5_p4]
%endif
pxor m4, m4
add posq, lwidthq
movu m1, [lowq + posq]
mova m3, m4
punpcklwd m4, m1
punpckhwd m3, m1
psrad m4, 16
psrad m3, 16
psubd m0, m4
psubd m2, m3
paddd m0, [pd_4]
paddd m2, [pd_4]
psrad m0, 3
psrad m2, 3
mov posq, xq
pxor m4, m4
movu m1, [highq + posq]
mova m3, m4
punpcklwd m4, m1
punpckhwd m3, m1
psrad m4, 16
psrad m3, 16
psubd m0, m4
psubd m2, m3
psrad m0, 1
psrad m2, 1
packssdw m0, m2
add posq, ostrideq
movu [outputq + posq], m0
add yq, 1
.looph:
mov posq, lwidthq
imul posq, yq
sub posq, lwidthq
add posq, xq
movu m4, [lowq + posq]
add posq, lwidthq
add posq, lwidthq
movu m1, [lowq + posq]
mova m5, m4
punpcklwd m4, m1
punpckhwd m5, m1
mova m6, m4
mova m7, m5
%if ARCH_X86_64
pmaddwd m4, m8
pmaddwd m5, m8
pmaddwd m6, m9
pmaddwd m7, m9
paddd m4, m11
paddd m5, m11
paddd m6, m11
paddd m7, m11
%else
pmaddwd m4, [factor_p1_n1]
pmaddwd m5, [factor_p1_n1]
pmaddwd m6, [factor_n1_p1]
pmaddwd m7, [factor_n1_p1]
paddd m4, [pd_4]
paddd m5, [pd_4]
paddd m6, [pd_4]
paddd m7, [pd_4]
%endif
psrad m4, 3
psrad m5, 3
psrad m6, 3
psrad m7, 3
sub posq, lwidthq
movu m0, [lowq + posq]
mov posq, hwidthq
imul posq, yq
add posq, xq
movu m1, [highq + posq]
mova m2, m0
punpcklwd m0, m1
punpckhwd m2, m1
mova m1, m0
mova m3, m2
%if ARCH_X86_64
pmaddwd m0, m10
pmaddwd m2, m10
pmaddwd m1, m8
pmaddwd m3, m8
%else
pmaddwd m0, [pw_1]
pmaddwd m2, [pw_1]
pmaddwd m1, [factor_p1_n1]
pmaddwd m3, [factor_p1_n1]
%endif
paddd m0, m4
paddd m2, m5
paddd m1, m6
paddd m3, m7
psrad m0, 1
psrad m2, 1
psrad m1, 1
psrad m3, 1
packssdw m0, m2
packssdw m1, m3
mov posq, ostrideq
imul posq, 2
imul posq, yq
add posq, xq
movu [outputq + posq], m0
add posq, ostrideq
movu [outputq + posq], m1
add yq, 1
cmp yq, heightq
jl .looph
mov posq, lwidthq
imul posq, yq
add posq, xq
movu m0, [lowq + posq]
sub posq, lwidthq
movu m1, [lowq + posq]
mova m2, m0
punpcklwd m0, m1
punpckhwd m2, m1
%if ARCH_X86_64
pmaddwd m0, m13
pmaddwd m2, m13
%else
pmaddwd m0, [factor_p5_p4]
pmaddwd m2, [factor_p5_p4]
%endif
pxor m4, m4
sub posq, lwidthq
movu m1, [lowq + posq]
mova m3, m4
punpcklwd m4, m1
punpckhwd m3, m1
psrad m4, 16
psrad m3, 16
psubd m0, m4
psubd m2, m3
%if ARCH_X86_64
paddd m0, m11
paddd m2, m11
%else
paddd m0, [pd_4]
paddd m2, [pd_4]
%endif
psrad m0, 3
psrad m2, 3
mov posq, hwidthq
imul posq, yq
add posq, xq
pxor m4, m4
movu m1, [highq + posq]
mova m3, m4
punpcklwd m4, m1
punpckhwd m3, m1
psrad m4, 16
psrad m3, 16
paddd m0, m4
paddd m2, m3
psrad m0, 1
psrad m2, 1
packssdw m0, m2
mov posq, ostrideq
imul posq, 2
imul posq, yq
add posq, xq
movu [outputq + posq], m0
mov posq, lwidthq
imul posq, yq
add posq, xq
movu m0, [lowq + posq]
sub posq, lwidthq
movu m1, [lowq + posq]
mova m2, m0
punpcklwd m0, m1
punpckhwd m2, m1
%if ARCH_X86_64
pmaddwd m0, m12
pmaddwd m2, m12
%else
pmaddwd m0, [factor_p11_n4]
pmaddwd m2, [factor_p11_n4]
%endif
pxor m4, m4
sub posq, lwidthq
movu m1, [lowq + posq]
mova m3, m4
punpcklwd m4, m1
punpckhwd m3, m1
psrad m4, 16
psrad m3, 16
paddd m0, m4
paddd m2, m3
%if ARCH_X86_64
paddd m0, m11
paddd m2, m11
%else
paddd m0, [pd_4]
paddd m2, [pd_4]
%endif
psrad m0, 3
psrad m2, 3
mov posq, hwidthq
imul posq, yq
add posq, xq
pxor m4, m4
movu m1, [highq + posq]
mova m3, m4
punpcklwd m4, m1
punpckhwd m3, m1
psrad m4, 16
psrad m3, 16
psubd m0, m4
psubd m2, m3
psrad m0, 1
psrad m2, 1
packssdw m0, m2
mov posq, ostrideq
imul posq, 2
imul posq, yq
add posq, ostrideq
add posq, xq
movu [outputq + posq], m0
add xq, mmsize
cmp xq, widthq
jl .loopw
RET