;****************************************************************************** ;* AAC Spectral Band Replication decoding functions ;* Copyright (C) 2012 Christophe Gisquet ;* ;* 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 ; mask equivalent for multiply by -1.0 1.0 ps_mask times 2 dd 1<<31, 0 ps_mask2 times 2 dd 0, 1<<31 ps_mask3 dd 0, 0, 0, 1<<31 ps_noise0 times 2 dd 1.0, 0.0, ps_noise2 times 2 dd -1.0, 0.0 ps_noise13 dd 0.0, 1.0, 0.0, -1.0 dd 0.0, -1.0, 0.0, 1.0 dd 0.0, 1.0, 0.0, -1.0 cextern sbr_noise_table cextern ps_neg SECTION_TEXT INIT_XMM sse cglobal sbr_sum_square, 2, 3, 6 mov r2, r1 xorps m0, m0 xorps m1, m1 sar r2, 3 jz .prepare .loop: movu m2, [r0 + 0] movu m3, [r0 + 16] movu m4, [r0 + 32] movu m5, [r0 + 48] mulps m2, m2 mulps m3, m3 mulps m4, m4 mulps m5, m5 addps m0, m2 addps m1, m3 addps m0, m4 addps m1, m5 add r0, 64 dec r2 jnz .loop .prepare: and r1, 7 sar r1, 1 jz .end ; len is a multiple of 2, thus there are at least 4 elements to process .endloop: movu m2, [r0] add r0, 16 mulps m2, m2 dec r1 addps m0, m2 jnz .endloop .end: addps m0, m1 movhlps m2, m0 addps m0, m2 movss m1, m0 shufps m0, m0, 1 addss m0, m1 %if ARCH_X86_64 == 0 movss r0m, m0 fld dword r0m %endif RET %define STEP 40*4*2 cglobal sbr_hf_g_filt, 5, 6, 5 lea r1, [r1 + 8*r4] ; offset by ixh elements into X_high mov r5, r3 and r3, 0xFC lea r2, [r2 + r3*4] lea r0, [r0 + r3*8] neg r3 jz .loop1 .loop4: movlps m0, [r2 + 4*r3 + 0] movlps m1, [r2 + 4*r3 + 8] movlps m2, [r1 + 0*STEP] movlps m3, [r1 + 2*STEP] movhps m2, [r1 + 1*STEP] movhps m3, [r1 + 3*STEP] unpcklps m0, m0 unpcklps m1, m1 mulps m0, m2 mulps m1, m3 movu [r0 + 8*r3 + 0], m0 movu [r0 + 8*r3 + 16], m1 add r1, 4*STEP add r3, 4 jnz .loop4 and r5, 3 ; number of single element loops jz .end .loop1: ; element 0 and 1 can be computed at the same time movss m0, [r2] movlps m2, [r1] unpcklps m0, m0 mulps m2, m0 movlps [r0], m2 add r0, 8 add r2, 4 add r1, STEP dec r5 jnz .loop1 .end: RET ; void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2], ; const float alpha0[2], const float alpha1[2], ; float bw, int start, int end) ; cglobal sbr_hf_gen, 4,4,8, X_high, X_low, alpha0, alpha1, BW, S, E ; load alpha factors %define bw m0 %if ARCH_X86_64 == 0 || WIN64 movss bw, BWm %endif movlps m2, [alpha1q] movlps m1, [alpha0q] shufps bw, bw, 0 mulps m2, bw ; (a1[0] a1[1])*bw mulps m1, bw ; (a0[0] a0[1])*bw = (a2 a3) mulps m2, bw ; (a1[0] a1[1])*bw*bw = (a0 a1) mova m3, m1 mova m4, m2 ; Set pointers %if ARCH_X86_64 == 0 || WIN64 ; start and end 6th and 7th args on stack mov r2d, Sm mov r3d, Em %define start r2q %define end r3q %else ; BW does not actually occupy a register, so shift by 1 %define start BWq %define end Sq %endif sub start, end ; neg num of loops lea X_highq, [X_highq + end*2*4] lea X_lowq, [X_lowq + end*2*4 - 2*2*4] shl start, 3 ; offset from num loops mova m0, [X_lowq + start] shufps m3, m3, q1111 shufps m4, m4, q1111 xorps m3, [ps_mask] shufps m1, m1, q0000 shufps m2, m2, q0000 xorps m4, [ps_mask] .loop2: movu m7, [X_lowq + start + 8] ; BbCc mova m6, m0 mova m5, m7 shufps m0, m0, q2301 ; aAbB shufps m7, m7, q2301 ; bBcC mulps m0, m4 mulps m7, m3 mulps m6, m2 mulps m5, m1 addps m7, m0 mova m0, [X_lowq + start +16] ; CcDd addps m7, m0 addps m6, m5 addps m7, m6 mova [X_highq + start], m7 add start, 16 jnz .loop2 RET cglobal sbr_sum64x5, 1,2,4,z lea r1q, [zq+ 256] .loop: mova m0, [zq+ 0] mova m2, [zq+ 16] mova m1, [zq+ 256] mova m3, [zq+ 272] addps m0, [zq+ 512] addps m2, [zq+ 528] addps m1, [zq+ 768] addps m3, [zq+ 784] addps m0, [zq+1024] addps m2, [zq+1040] addps m0, m1 addps m2, m3 mova [zq], m0 mova [zq+16], m2 add zq, 32 cmp zq, r1q jne .loop REP_RET INIT_XMM sse cglobal sbr_qmf_post_shuffle, 2,3,4,W,z lea r2q, [zq + (64-4)*4] mova m3, [ps_neg] .loop: mova m1, [zq] xorps m0, m3, [r2q] shufps m0, m0, m0, q0123 unpcklps m2, m0, m1 unpckhps m0, m0, m1 mova [Wq + 0], m2 mova [Wq + 16], m0 add Wq, 32 sub r2q, 16 add zq, 16 cmp zq, r2q jl .loop REP_RET INIT_XMM sse cglobal sbr_neg_odd_64, 1,2,4,z lea r1q, [zq+256] .loop: mova m0, [zq+ 0] mova m1, [zq+16] mova m2, [zq+32] mova m3, [zq+48] xorps m0, [ps_mask2] xorps m1, [ps_mask2] xorps m2, [ps_mask2] xorps m3, [ps_mask2] mova [zq+ 0], m0 mova [zq+16], m1 mova [zq+32], m2 mova [zq+48], m3 add zq, 64 cmp zq, r1q jne .loop REP_RET ; void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1) %macro SBR_QMF_DEINT_BFLY 0 cglobal sbr_qmf_deint_bfly, 3,5,8, v,src0,src1,vrev,c mov cq, 64*4-2*mmsize lea vrevq, [vq + 64*4] .loop: mova m0, [src0q+cq] mova m1, [src1q] mova m4, [src0q+cq+mmsize] mova m5, [src1q+mmsize] %if cpuflag(sse2) pshufd m2, m0, q0123 pshufd m3, m1, q0123 pshufd m6, m4, q0123 pshufd m7, m5, q0123 %else shufps m2, m0, m0, q0123 shufps m3, m1, m1, q0123 shufps m6, m4, m4, q0123 shufps m7, m5, m5, q0123 %endif addps m5, m2 subps m0, m7 addps m1, m6 subps m4, m3 mova [vrevq], m1 mova [vrevq+mmsize], m5 mova [vq+cq], m0 mova [vq+cq+mmsize], m4 add src1q, 2*mmsize add vrevq, 2*mmsize sub cq, 2*mmsize jge .loop REP_RET %endmacro INIT_XMM sse SBR_QMF_DEINT_BFLY INIT_XMM sse2 SBR_QMF_DEINT_BFLY INIT_XMM sse2 cglobal sbr_qmf_pre_shuffle, 1,4,6,z %define OFFSET (32*4-2*mmsize) mov r3q, OFFSET lea r1q, [zq + (32+1)*4] lea r2q, [zq + 64*4] mova m5, [ps_neg] .loop: movu m0, [r1q] movu m2, [r1q + mmsize] movu m1, [zq + r3q + 4 + mmsize] movu m3, [zq + r3q + 4] pxor m2, m5 pxor m0, m5 pshufd m2, m2, q0123 pshufd m0, m0, q0123 SBUTTERFLY dq, 2, 3, 4 SBUTTERFLY dq, 0, 1, 4 mova [r2q + 2*r3q + 0*mmsize], m2 mova [r2q + 2*r3q + 1*mmsize], m3 mova [r2q + 2*r3q + 2*mmsize], m0 mova [r2q + 2*r3q + 3*mmsize], m1 add r1q, 2*mmsize sub r3q, 2*mmsize jge .loop movq m2, [zq] movq [r2q], m2 REP_RET %ifdef PIC %define NREGS 1 %if UNIX64 %define NOISE_TABLE r6q ; r5q is m_max %else %define NOISE_TABLE r5q %endif %else %define NREGS 0 %define NOISE_TABLE sbr_noise_table %endif %macro LOAD_NST 1 %ifdef PIC lea NOISE_TABLE, [%1] mova m0, [kxq + NOISE_TABLE] %else mova m0, [kxq + %1] %endif %endmacro INIT_XMM sse2 ; sbr_hf_apply_noise_0(float (*Y)[2], const float *s_m, ; const float *q_filt, int noise, ; int kx, int m_max) cglobal sbr_hf_apply_noise_0, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max mova m0, [ps_noise0] jmp apply_noise_main ; sbr_hf_apply_noise_1(float (*Y)[2], const float *s_m, ; const float *q_filt, int noise, ; int kx, int m_max) cglobal sbr_hf_apply_noise_1, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max and kxq, 1 shl kxq, 4 LOAD_NST ps_noise13 jmp apply_noise_main ; sbr_hf_apply_noise_2(float (*Y)[2], const float *s_m, ; const float *q_filt, int noise, ; int kx, int m_max) cglobal sbr_hf_apply_noise_2, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max mova m0, [ps_noise2] jmp apply_noise_main ; sbr_hf_apply_noise_3(float (*Y)[2], const float *s_m, ; const float *q_filt, int noise, ; int kx, int m_max) cglobal sbr_hf_apply_noise_3, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max and kxq, 1 shl kxq, 4 LOAD_NST ps_noise13+16 apply_noise_main: %if ARCH_X86_64 == 0 || WIN64 mov kxd, m_maxm %define count kxq %else %define count m_maxq %endif dec noiseq shl count, 2 %ifdef PIC lea NOISE_TABLE, [sbr_noise_table] %endif lea Yq, [Yq + 2*count] add s_mq, count add q_filtq, count shl noiseq, 3 pxor m5, m5 neg count .loop: mova m1, [q_filtq + count] movu m3, [noiseq + NOISE_TABLE + 1*mmsize] movu m4, [noiseq + NOISE_TABLE + 2*mmsize] add noiseq, 2*mmsize and noiseq, 0x1ff<<3 punpckhdq m2, m1, m1 punpckldq m1, m1 mulps m1, m3 ; m2 = q_filt[m] * ff_sbr_noise_table[noise] mulps m2, m4 ; m2 = q_filt[m] * ff_sbr_noise_table[noise] mova m3, [s_mq + count] ; TODO: replace by a vpermd in AVX2 punpckhdq m4, m3, m3 punpckldq m3, m3 pcmpeqd m6, m3, m5 ; m6 == 0 pcmpeqd m7, m4, m5 ; m7 == 0 mulps m3, m0 ; s_m[m] * phi_sign mulps m4, m0 ; s_m[m] * phi_sign pand m1, m6 pand m2, m7 movu m6, [Yq + 2*count] movu m7, [Yq + 2*count + mmsize] addps m3, m1 addps m4, m2 addps m6, m3 addps m7, m4 movu [Yq + 2*count], m6 movu [Yq + 2*count + mmsize], m7 add count, mmsize jl .loop RET INIT_XMM sse cglobal sbr_qmf_deint_neg, 2,4,4,v,src,vrev,c %define COUNT 32*4 %define OFFSET 32*4 mov cq, -COUNT lea vrevq, [vq + OFFSET + COUNT] add vq, OFFSET-mmsize add srcq, 2*COUNT mova m3, [ps_neg] .loop: mova m0, [srcq + 2*cq + 0*mmsize] mova m1, [srcq + 2*cq + 1*mmsize] shufps m2, m0, m1, q2020 shufps m1, m0, q1313 xorps m2, m3 mova [vq], m1 mova [vrevq + cq], m2 sub vq, mmsize add cq, mmsize jl .loop REP_RET %macro SBR_AUTOCORRELATE 0 cglobal sbr_autocorrelate, 2,3,8,32, x, phi, cnt mov cntq, 37*8 add xq, cntq neg cntq %if cpuflag(sse3) movddup m5, [xq+cntq] %else movlps m5, [xq+cntq] movlhps m5, m5 %endif movlps m7, [xq+cntq+8 ] movlps m1, [xq+cntq+16] shufps m7, m7, q0110 shufps m1, m1, q0110 mulps m3, m5, m7 ; x[0][0] * x[1][0], x[0][1] * x[1][1], x[0][0] * x[1][1], x[0][1] * x[1][0] mulps m4, m5, m5 ; x[0][0] * x[0][0], x[0][1] * x[0][1]; mulps m5, m1 ; real_sum2 = x[0][0] * x[2][0], x[0][1] * x[2][1]; imag_sum2 = x[0][0] * x[2][1], x[0][1] * x[2][0] movaps [rsp ], m3 movaps [rsp+16], m4 add cntq, 8 movlps m2, [xq+cntq+16] movlhps m7, m7 shufps m2, m2, q0110 mulps m6, m7, m1 ; real_sum1 = x[1][0] * x[2][0], x[1][1] * x[2][1]; imag_sum1 += x[1][0] * x[2][1], x[1][1] * x[2][0] mulps m4, m7, m2 mulps m7, m7 ; real_sum0 = x[1][0] * x[1][0], x[1][1] * x[1][1]; addps m5, m4 ; real_sum2 += x[1][0] * x[3][0], x[1][1] * x[3][1]; imag_sum2 += x[1][0] * x[3][1], x[1][1] * x[3][0] align 16 .loop: add cntq, 8 movlps m0, [xq+cntq+16] movlhps m1, m1 shufps m0, m0, q0110 mulps m3, m1, m2 mulps m4, m1, m0 mulps m1, m1 addps m6, m3 ; real_sum1 += x[i][0] * x[i + 1][0], x[i][1] * x[i + 1][1]; imag_sum1 += x[i][0] * x[i + 1][1], x[i][1] * x[i + 1][0]; addps m5, m4 ; real_sum2 += x[i][0] * x[i + 2][0], x[i][1] * x[i + 2][1]; imag_sum2 += x[i][0] * x[i + 2][1], x[i][1] * x[i + 2][0]; addps m7, m1 ; real_sum0 += x[i][0] * x[i][0], x[i][1] * x[i][1]; add cntq, 8 movlps m1, [xq+cntq+16] movlhps m2, m2 shufps m1, m1, q0110 mulps m3, m2, m0 mulps m4, m2, m1 mulps m2, m2 addps m6, m3 ; real_sum1 += x[i][0] * x[i + 1][0], x[i][1] * x[i + 1][1]; imag_sum1 += x[i][0] * x[i + 1][1], x[i][1] * x[i + 1][0]; addps m5, m4 ; real_sum2 += x[i][0] * x[i + 2][0], x[i][1] * x[i + 2][1]; imag_sum2 += x[i][0] * x[i + 2][1], x[i][1] * x[i + 2][0]; addps m7, m2 ; real_sum0 += x[i][0] * x[i][0], x[i][1] * x[i][1]; add cntq, 8 movlps m2, [xq+cntq+16] movlhps m0, m0 shufps m2, m2, q0110 mulps m3, m0, m1 mulps m4, m0, m2 mulps m0, m0 addps m6, m3 ; real_sum1 += x[i][0] * x[i + 1][0], x[i][1] * x[i + 1][1]; imag_sum1 += x[i][0] * x[i + 1][1], x[i][1] * x[i + 1][0]; addps m5, m4 ; real_sum2 += x[i][0] * x[i + 2][0], x[i][1] * x[i + 2][1]; imag_sum2 += x[i][0] * x[i + 2][1], x[i][1] * x[i + 2][0]; addps m7, m0 ; real_sum0 += x[i][0] * x[i][0], x[i][1] * x[i][1]; jl .loop movlhps m1, m1 mulps m4, m1, m2 mulps m1, m1 addps m4, m6 ; real_sum1 + x[38][0] * x[39][0], x[38][1] * x[39][1]; imag_sum1 + x[38][0] * x[39][1], x[38][1] * x[39][0]; addps m1, m7 ; real_sum0 + x[38][0] * x[38][0], x[38][1] * x[38][1]; addps m6, [rsp ] ; real_sum1 + x[ 0][0] * x[ 1][0], x[ 0][1] * x[ 1][1]; imag_sum1 + x[ 0][0] * x[ 1][1], x[ 0][1] * x[ 1][0]; addps m7, [rsp+16] ; real_sum0 + x[ 0][0] * x[ 0][0], x[ 0][1] * x[ 0][1]; xorps m4, [ps_mask3] xorps m5, [ps_mask3] xorps m6, [ps_mask3] %if cpuflag(sse3) movshdup m2, m1 haddps m4, m5 haddps m7, m6 addss m1, m2 %else movaps m3, m4 movaps m2, m5 movaps m0, m6 shufps m3, m3, q0301 shufps m2, m2, q0301 shufps m0, m0, q0301 addps m4, m3 addps m5, m2 addps m6, m0 movss m2, m7 movss m3, m1 shufps m7, m7, q0001 shufps m1, m1, q0001 addss m7, m2 addss m1, m3 shufps m4, m5, q2020 shufps m7, m6, q2020 %endif movaps [phiq ], m4 movhps [phiq+0x18], m7 movss [phiq+0x28], m7 movss [phiq+0x10], m1 RET %endmacro INIT_XMM sse SBR_AUTOCORRELATE INIT_XMM sse3 SBR_AUTOCORRELATE