;*****************************************************************************
;* x86-optimized functions for showcqt filter
;*
;* Copyright (C) 2016 Muhammad Faiz <mfcc64@gmail.com>
;*
;* 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"
%if ARCH_X86_64
%define pointer resq
%else
%define pointer resd
%endif
struc Coeffs
.val: pointer 1
.start: resd 1
.len: resd 1
.sizeof:
endstruc
%macro CQT_CALC 9
; %1 = a_re, %2 = a_im, %3 = b_re, %4 = b_im
; %5 = m_re, %6 = m_im, %7 = tmp, %8 = coeffval, %9 = coeffsq_offset
mov id, xd
add id, [coeffsq + Coeffs.start + %9]
movaps m%5, [srcq + 8 * iq]
movaps m%7, [srcq + 8 * iq + mmsize]
shufps m%6, m%5, m%7, q3131
shufps m%5, m%5, m%7, q2020
sub id, fft_lend
FMULADD_PS m%2, m%6, m%8, m%2, m%6
neg id
FMULADD_PS m%1, m%5, m%8, m%1, m%5
movups m%5, [srcq + 8 * iq - mmsize + 8]
movups m%7, [srcq + 8 * iq - 2*mmsize + 8]
%if mmsize == 32
vperm2f128 m%5, m%5, m%5, 1
vperm2f128 m%7, m%7, m%7, 1
%endif
shufps m%6, m%5, m%7, q1313
shufps m%5, m%5, m%7, q0202
FMULADD_PS m%4, m%6, m%8, m%4, m%6
FMULADD_PS m%3, m%5, m%8, m%3, m%5
%endmacro ; CQT_CALC
%macro CQT_SEPARATE 6 ; a_re, a_im, b_re, b_im, tmp, tmp2
addps m%5, m%4, m%2
subps m%6, m%3, m%1
addps m%1, m%1, m%3
subps m%2, m%2, m%4
HADDPS m%5, m%6, m%3
HADDPS m%1, m%2, m%3
HADDPS m%1, m%5, m%2
%if mmsize == 32
vextractf128 xmm%2, m%1, 1
addps xmm%1, xmm%2
%endif
%endmacro ; CQT_SEPARATE
%macro DECLARE_CQT_CALC 0
; ff_showcqt_cqt_calc_*(dst, src, coeffs, len, fft_len)
%if ARCH_X86_64
cglobal showcqt_cqt_calc, 5, 10, 12, dst, src, coeffs, len, fft_len, x, coeffs_val, coeffs_val2, i, coeffs_len
align 16
.loop_k:
mov xd, [coeffsq + Coeffs.len]
xorps m0, m0, m0
movaps m1, m0
movaps m2, m0
mov coeffs_lend, [coeffsq + Coeffs.len + Coeffs.sizeof]
movaps m3, m0
movaps m8, m0
cmp coeffs_lend, xd
movaps m9, m0
movaps m10, m0
movaps m11, m0
cmova coeffs_lend, xd
xor xd, xd
test coeffs_lend, coeffs_lend
jz .check_loop_b
mov coeffs_valq, [coeffsq + Coeffs.val]
mov coeffs_val2q, [coeffsq + Coeffs.val + Coeffs.sizeof]
align 16
.loop_ab:
movaps m7, [coeffs_valq + 4 * xq]
CQT_CALC 0, 1, 2, 3, 4, 5, 6, 7, 0
movaps m7, [coeffs_val2q + 4 * xq]
CQT_CALC 8, 9, 10, 11, 4, 5, 6, 7, Coeffs.sizeof
add xd, mmsize/4
cmp xd, coeffs_lend
jb .loop_ab
.check_loop_b:
cmp xd, [coeffsq + Coeffs.len + Coeffs.sizeof]
jae .check_loop_a
align 16
.loop_b:
movaps m7, [coeffs_val2q + 4 * xq]
CQT_CALC 8, 9, 10, 11, 4, 5, 6, 7, Coeffs.sizeof
add xd, mmsize/4
cmp xd, [coeffsq + Coeffs.len + Coeffs.sizeof]
jb .loop_b
.loop_end:
CQT_SEPARATE 0, 1, 2, 3, 4, 5
CQT_SEPARATE 8, 9, 10, 11, 4, 5
mulps xmm0, xmm0
mulps xmm8, xmm8
HADDPS xmm0, xmm8, xmm1
movaps [dstq], xmm0
sub lend, 2
lea dstq, [dstq + 16]
lea coeffsq, [coeffsq + 2*Coeffs.sizeof]
jnz .loop_k
REP_RET
align 16
.check_loop_a:
cmp xd, [coeffsq + Coeffs.len]
jae .loop_end
align 16
.loop_a:
movaps m7, [coeffs_valq + 4 * xq]
CQT_CALC 0, 1, 2, 3, 4, 5, 6, 7, 0
add xd, mmsize/4
cmp xd, [coeffsq + Coeffs.len]
jb .loop_a
jmp .loop_end
%else
cglobal showcqt_cqt_calc, 4, 7, 8, dst, src, coeffs, len, x, coeffs_val, i
%define fft_lend r4m
align 16
.loop_k:
mov xd, [coeffsq + Coeffs.len]
xorps m0, m0, m0
movaps m1, m0
movaps m2, m0
movaps m3, m0
test xd, xd
jz .store
mov coeffs_valq, [coeffsq + Coeffs.val]
xor xd, xd
align 16
.loop_x:
movaps m7, [coeffs_valq + 4 * xq]
CQT_CALC 0, 1, 2, 3, 4, 5, 6, 7, 0
add xd, mmsize/4
cmp xd, [coeffsq + Coeffs.len]
jb .loop_x
CQT_SEPARATE 0, 1, 2, 3, 4, 5
mulps xmm0, xmm0
HADDPS xmm0, xmm0, xmm1
.store:
movlps [dstq], xmm0
sub lend, 1
lea dstq, [dstq + 8]
lea coeffsq, [coeffsq + Coeffs.sizeof]
jnz .loop_k
REP_RET
%endif ; ARCH_X86_64
%endmacro ; DECLARE_CQT_CALC
INIT_XMM sse
DECLARE_CQT_CALC
INIT_XMM sse3
DECLARE_CQT_CALC
%if HAVE_AVX_EXTERNAL
INIT_YMM avx
DECLARE_CQT_CALC
%endif
%if HAVE_FMA3_EXTERNAL
INIT_YMM fma3
DECLARE_CQT_CALC
%endif
%if HAVE_FMA4_EXTERNAL
INIT_XMM fma4
DECLARE_CQT_CALC
%endif