diff options
Diffstat (limited to 'ffmpeg/libavcodec/x86/sbrdsp.asm')
| -rw-r--r-- | ffmpeg/libavcodec/x86/sbrdsp.asm | 211 |
1 files changed, 207 insertions, 4 deletions
diff --git a/ffmpeg/libavcodec/x86/sbrdsp.asm b/ffmpeg/libavcodec/x86/sbrdsp.asm index 1b7f3a8..adc13c4 100644 --- a/ffmpeg/libavcodec/x86/sbrdsp.asm +++ b/ffmpeg/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 ;****************************************************************************** @@ -24,7 +24,14 @@ 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_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 @@ -220,3 +227,199 @@ cglobal sbr_qmf_post_shuffle, 2,3,4,W,z 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 + +; 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 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 |