diff options
Diffstat (limited to 'libavcodec/x86/sbrdsp.asm')
| -rw-r--r-- | libavcodec/x86/sbrdsp.asm | 192 |
1 files changed, 156 insertions, 36 deletions
diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm index 36a0918473..adc13c4353 100644 --- a/libavcodec/x86/sbrdsp.asm +++ b/libavcodec/x86/sbrdsp.asm @@ -2,20 +2,20 @@ ;* AAC Spectral Band Replication decoding functions ;* Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> ;* -;* This file is part of Libav. +;* This file is part of FFmpeg. ;* -;* Libav is free software; you can redistribute it and/or +;* 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. ;* -;* Libav is distributed in the hope that it will be useful, +;* 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 Libav; if not, write to the Free Software +;* License along with FFmpeg; if not, write to the Free Software ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;****************************************************************************** @@ -26,6 +26,12 @@ SECTION_RODATA ps_mask times 2 dd 1<<31, 0 ps_mask2 times 2 dd 0, 1<<31 ps_neg times 4 dd 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 SECTION_TEXT @@ -136,7 +142,6 @@ cglobal sbr_hf_gen, 4,4,8, X_high, X_low, alpha0, alpha1, BW, S, E mulps m2, bw ; (a1[0] a1[1])*bw*bw = (a0 a1) mova m3, m1 mova m4, m2 - mova m7, [ps_mask] ; Set pointers %if ARCH_X86_64 == 0 || WIN64 @@ -156,30 +161,28 @@ cglobal sbr_hf_gen, 4,4,8, X_high, X_low, alpha0, alpha1, BW, S, E shl start, 3 ; offset from num loops mova m0, [X_lowq + start] - movlhps m1, m1 ; (a2 a3 a2 a3) - movlhps m2, m2 ; (a0 a1 a0 a1) - shufps m3, m3, q0101 ; (a3 a2 a3 a2) - shufps m4, m4, q0101 ; (a1 a0 a1 a0) - xorps m3, m7 ; (-a3 a2 -a3 a2) - xorps m4, m7 ; (-a1 a0 -a1 a0) + 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: - mova m5, m0 + movu m7, [X_lowq + start + 8] ; BbCc mova m6, m0 - shufps m0, m0, q2200 ; {Xl[-2][0],",Xl[-1][0],"} - shufps m5, m5, q3311 ; {Xl[-2][1],",Xl[-1][1],"} - mulps m0, m2 - mulps m5, m4 - mova m7, m6 - addps m5, m0 - mova m0, [X_lowq + start + 2*2*4] - shufps m6, m0, q0022 ; {Xl[-1][0],",Xl[0][0],"} - shufps m7, m0, q1133 ; {Xl[-1][1],",Xl[1][1],"} - mulps m6, m1 + mova m5, m7 + shufps m0, m0, q2301 ; aAbB + shufps m7, m7, q2301 ; bBcC + mulps m0, m4 mulps m7, m3 - addps m5, m6 + mulps m6, m2 + mulps m5, m1 + addps m7, m0 + mova m0, [X_lowq + start +16] ; CcDd addps m7, m0 - addps m5, m7 - mova [X_highq + start], m5 + addps m6, m5 + addps m7, m6 + mova [X_highq + start], m7 add start, 16 jnz .loop2 RET @@ -246,33 +249,47 @@ cglobal sbr_neg_odd_64, 1,2,4,z jne .loop REP_RET -INIT_XMM sse2 ; sbr_qmf_deint_bfly(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 m2, [src0q+cq+mmsize] - mova m3, [src1q+mmsize] - pshufd m4, m0, q0123 - pshufd m5, m1, q0123 - pshufd m6, m2, q0123 - pshufd m7, m3, q0123 - addps m3, m4 + 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 m2, m5 + subps m4, m3 mova [vrevq], m1 - mova [vrevq+mmsize], m3 + mova [vrevq+mmsize], m5 mova [vq+cq], m0 - mova [vq+cq+mmsize], m2 + 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 @@ -303,3 +320,106 @@ cglobal sbr_qmf_pre_shuffle, 1,4,6,z 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 |