mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
dab5f65b25
p1 and p2 are int32_t. Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
117 lines
4.0 KiB
NASM
117 lines
4.0 KiB
NASM
;******************************************************************************
|
|
;* TAK DSP SIMD optimizations
|
|
;*
|
|
;* Copyright (C) 2015 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
|
|
|
|
pd_128: times 4 dd 128
|
|
|
|
SECTION .text
|
|
|
|
INIT_XMM sse2
|
|
cglobal tak_decorrelate_ls, 3, 3, 2, p1, p2, length
|
|
shl lengthd, 2
|
|
add p1q, lengthq
|
|
add p2q, lengthq
|
|
neg lengthq
|
|
.loop:
|
|
mova m0, [p1q+lengthq+mmsize*0]
|
|
mova m1, [p1q+lengthq+mmsize*1]
|
|
paddd m0, [p2q+lengthq+mmsize*0]
|
|
paddd m1, [p2q+lengthq+mmsize*1]
|
|
mova [p2q+lengthq+mmsize*0], m0
|
|
mova [p2q+lengthq+mmsize*1], m1
|
|
add lengthq, mmsize*2
|
|
jl .loop
|
|
REP_RET
|
|
|
|
cglobal tak_decorrelate_sr, 3, 3, 2, p1, p2, length
|
|
shl lengthd, 2
|
|
add p1q, lengthq
|
|
add p2q, lengthq
|
|
neg lengthq
|
|
|
|
.loop:
|
|
mova m0, [p2q+lengthq+mmsize*0]
|
|
mova m1, [p2q+lengthq+mmsize*1]
|
|
psubd m0, [p1q+lengthq+mmsize*0]
|
|
psubd m1, [p1q+lengthq+mmsize*1]
|
|
mova [p1q+lengthq+mmsize*0], m0
|
|
mova [p1q+lengthq+mmsize*1], m1
|
|
add lengthq, mmsize*2
|
|
jl .loop
|
|
REP_RET
|
|
|
|
cglobal tak_decorrelate_sm, 3, 3, 6, p1, p2, length
|
|
shl lengthd, 2
|
|
add p1q, lengthq
|
|
add p2q, lengthq
|
|
neg lengthq
|
|
|
|
.loop:
|
|
mova m0, [p1q+lengthq]
|
|
mova m1, [p2q+lengthq]
|
|
mova m3, [p1q+lengthq+mmsize]
|
|
mova m4, [p2q+lengthq+mmsize]
|
|
mova m2, m1
|
|
mova m5, m4
|
|
psrad m2, 1
|
|
psrad m5, 1
|
|
psubd m0, m2
|
|
psubd m3, m5
|
|
paddd m1, m0
|
|
paddd m4, m3
|
|
mova [p1q+lengthq], m0
|
|
mova [p2q+lengthq], m1
|
|
mova [p1q+lengthq+mmsize], m3
|
|
mova [p2q+lengthq+mmsize], m4
|
|
add lengthq, mmsize*2
|
|
jl .loop
|
|
REP_RET
|
|
|
|
INIT_XMM sse4
|
|
cglobal tak_decorrelate_sf, 3, 3, 5, p1, p2, length, dshift, dfactor
|
|
shl lengthd, 2
|
|
add p1q, lengthq
|
|
add p2q, lengthq
|
|
neg lengthq
|
|
|
|
movd m2, dshiftm
|
|
movd m3, dfactorm
|
|
pshufd m3, m3, 0
|
|
mova m4, [pd_128]
|
|
|
|
.loop:
|
|
mova m0, [p1q+lengthq]
|
|
mova m1, [p2q+lengthq]
|
|
psrad m1, m2
|
|
pmulld m1, m3
|
|
paddd m1, m4
|
|
psrad m1, 8
|
|
pslld m1, m2
|
|
psubd m1, m0
|
|
mova [p1q+lengthq], m1
|
|
add lengthq, mmsize
|
|
jl .loop
|
|
REP_RET
|