112 lines
2.8 KiB
NASM
112 lines
2.8 KiB
NASM
|
;******************************************************************************
|
||
|
|
;* Opus SIMD functions
|
||
|
|
;*
|
||
|
|
;* 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
|
||
|
|
|
||
|
|
; 0.85..^1 0.85..^2 0.85..^3 0.85..^4
|
||
|
|
tab_st: dd 0x3f599a00, 0x3f38f671, 0x3f1d382a, 0x3f05a32f
|
||
|
|
|
||
|
|
SECTION .text
|
||
|
|
|
||
|
|
INIT_XMM fma3
|
||
|
|
%if UNIX64
|
||
|
|
cglobal opus_deemphasis, 3, 3, 8, out, in, len
|
||
|
|
%else
|
||
|
|
cglobal opus_deemphasis, 4, 4, 8, out, in, coeff, len
|
||
|
|
%endif
|
||
|
|
%if ARCH_X86_32
|
||
|
|
VBROADCASTSS m0, coeffm
|
||
|
|
%elif WIN64
|
||
|
|
shufps m0, m2, m2, 0
|
||
|
|
%else
|
||
|
|
shufps m0, m0, 0
|
||
|
|
%endif
|
||
|
|
|
||
|
|
movaps m4, [tab_st]
|
||
|
|
VBROADCASTSS m5, m4
|
||
|
|
shufps m6, m4, m4, q1111
|
||
|
|
shufps m7, m4, m4, q2222
|
||
|
|
|
||
|
|
.loop:
|
||
|
|
movaps m1, [inq] ; x0, x1, x2, x3
|
||
|
|
|
||
|
|
pslldq m2, m1, 4 ; 0, x0, x1, x2
|
||
|
|
pslldq m3, m1, 8 ; 0, 0, x0, x1
|
||
|
|
|
||
|
|
fmaddps m2, m2, m5, m1 ; x + c1*x[0-2]
|
||
|
|
pslldq m1, 12 ; 0, 0, 0, x0
|
||
|
|
|
||
|
|
fmaddps m2, m3, m6, m2 ; x + c1*x[0-2] + c2*x[0-1]
|
||
|
|
fmaddps m1, m1, m7, m2 ; x + c1*x[0-2] + c2*x[0-1] + c3*x[0]
|
||
|
|
fmaddps m0, m0, m4, m1 ; x + c1*x[0-2] + c2*x[0-1] + c3*x[0] + c*s
|
||
|
|
|
||
|
|
movaps [outq], m0
|
||
|
|
shufps m0, m0, q3333 ; new state
|
||
|
|
|
||
|
|
add inq, mmsize
|
||
|
|
add outq, mmsize
|
||
|
|
sub lend, mmsize >> 2
|
||
|
|
jg .loop
|
||
|
|
|
||
|
|
%if ARCH_X86_64 == 0
|
||
|
|
movss r0m, m0
|
||
|
|
fld dword r0m
|
||
|
|
%endif
|
||
|
|
RET
|
||
|
|
|
||
|
|
|
||
|
|
INIT_XMM fma3
|
||
|
|
cglobal opus_postfilter, 4, 4, 8, data, period, gains, len
|
||
|
|
VBROADCASTSS m0, [gainsq + 0]
|
||
|
|
VBROADCASTSS m1, [gainsq + 4]
|
||
|
|
VBROADCASTSS m2, [gainsq + 8]
|
||
|
|
|
||
|
|
shl periodd, 2
|
||
|
|
add periodq, 8
|
||
|
|
neg periodq
|
||
|
|
|
||
|
|
movups m3, [dataq + periodq]
|
||
|
|
mulps m3, m2
|
||
|
|
|
||
|
|
.loop:
|
||
|
|
movups m4, [dataq + periodq + 4]
|
||
|
|
movups m5, [dataq + periodq + 8]
|
||
|
|
movups m6, [dataq + periodq + 12]
|
||
|
|
movups m7, [dataq + periodq + 16]
|
||
|
|
|
||
|
|
fmaddps m3, m7, m2, m3
|
||
|
|
addps m6, m4
|
||
|
|
|
||
|
|
fmaddps m5, m5, m0, [dataq]
|
||
|
|
fmaddps m6, m6, m1, m3
|
||
|
|
|
||
|
|
addps m5, m6
|
||
|
|
mulps m3, m7, m2
|
||
|
|
|
||
|
|
movaps [dataq], m5
|
||
|
|
|
||
|
|
add dataq, mmsize
|
||
|
|
sub lend, mmsize >> 2
|
||
|
|
jg .loop
|
||
|
|
|
||
|
|
RET
|