548 lines
16 KiB
NASM
Executable file
548 lines
16 KiB
NASM
Executable file
;******************************************************************************
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;* AAC Spectral Band Replication decoding functions
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;* Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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; mask equivalent for multiply by -1.0 1.0
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ps_mask times 2 dd 1<<31, 0
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ps_mask2 times 2 dd 0, 1<<31
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ps_mask3 dd 0, 0, 0, 1<<31
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ps_noise0 times 2 dd 1.0, 0.0,
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ps_noise2 times 2 dd -1.0, 0.0
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ps_noise13 dd 0.0, 1.0, 0.0, -1.0
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dd 0.0, -1.0, 0.0, 1.0
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dd 0.0, 1.0, 0.0, -1.0
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cextern sbr_noise_table
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cextern ps_neg
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SECTION .text
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INIT_XMM sse
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cglobal sbr_sum_square, 2, 3, 6
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mov r2d, r1d
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xorps m0, m0
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xorps m1, m1
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sar r2, 3
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jz .prepare
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.loop:
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movu m2, [r0 + 0]
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movu m3, [r0 + 16]
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movu m4, [r0 + 32]
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movu m5, [r0 + 48]
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mulps m2, m2
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mulps m3, m3
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mulps m4, m4
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mulps m5, m5
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addps m0, m2
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addps m1, m3
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addps m0, m4
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addps m1, m5
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add r0, 64
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dec r2
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jnz .loop
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.prepare:
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and r1, 7
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sar r1, 1
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jz .end
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; len is a multiple of 2, thus there are at least 4 elements to process
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.endloop:
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movu m2, [r0]
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add r0, 16
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mulps m2, m2
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dec r1
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addps m0, m2
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jnz .endloop
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.end:
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addps m0, m1
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movhlps m2, m0
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addps m0, m2
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movss m1, m0
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shufps m0, m0, 1
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addss m0, m1
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%if ARCH_X86_64 == 0
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movss r0m, m0
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fld dword r0m
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%endif
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RET
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%define STEP 40*4*2
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cglobal sbr_hf_g_filt, 5, 6, 5
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lea r1, [r1 + 8*r4] ; offset by ixh elements into X_high
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mov r5, r3
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and r3, 0xFC
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lea r2, [r2 + r3*4]
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lea r0, [r0 + r3*8]
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neg r3
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jz .loop1
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.loop4:
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movlps m0, [r2 + 4*r3 + 0]
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movlps m1, [r2 + 4*r3 + 8]
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movlps m2, [r1 + 0*STEP]
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movlps m3, [r1 + 2*STEP]
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movhps m2, [r1 + 1*STEP]
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movhps m3, [r1 + 3*STEP]
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unpcklps m0, m0
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unpcklps m1, m1
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mulps m0, m2
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mulps m1, m3
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movu [r0 + 8*r3 + 0], m0
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movu [r0 + 8*r3 + 16], m1
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add r1, 4*STEP
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add r3, 4
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jnz .loop4
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and r5, 3 ; number of single element loops
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jz .end
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.loop1: ; element 0 and 1 can be computed at the same time
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movss m0, [r2]
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movlps m2, [r1]
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unpcklps m0, m0
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mulps m2, m0
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movlps [r0], m2
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add r0, 8
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add r2, 4
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add r1, STEP
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dec r5
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jnz .loop1
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.end:
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RET
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; void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
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; const float alpha0[2], const float alpha1[2],
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; float bw, int start, int end)
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;
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cglobal sbr_hf_gen, 4,4,8, X_high, X_low, alpha0, alpha1, BW, S, E
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; load alpha factors
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%define bw m0
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%if ARCH_X86_64 == 0 || WIN64
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movss bw, BWm
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%endif
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movlps m2, [alpha1q]
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movlps m1, [alpha0q]
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shufps bw, bw, 0
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mulps m2, bw ; (a1[0] a1[1])*bw
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mulps m1, bw ; (a0[0] a0[1])*bw = (a2 a3)
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mulps m2, bw ; (a1[0] a1[1])*bw*bw = (a0 a1)
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mova m3, m1
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mova m4, m2
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; Set pointers
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%if ARCH_X86_64 == 0 || WIN64
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; start and end 6th and 7th args on stack
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mov r2d, Sm
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mov r3d, Em
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DEFINE_ARGS X_high, X_low, start, end
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%else
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; BW does not actually occupy a register, so shift by 1
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DEFINE_ARGS X_high, X_low, alpha0, alpha1, start, end
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movsxd startq, startd
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movsxd endq, endd
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%endif
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sub startq, endq ; neg num of loops
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lea X_highq, [X_highq + endq*2*4]
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lea X_lowq, [X_lowq + endq*2*4 - 2*2*4]
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shl startq, 3 ; offset from num loops
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mova m0, [X_lowq + startq]
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shufps m3, m3, q1111
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shufps m4, m4, q1111
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xorps m3, [ps_mask]
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shufps m1, m1, q0000
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shufps m2, m2, q0000
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xorps m4, [ps_mask]
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.loop2:
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movu m7, [X_lowq + startq + 8] ; BbCc
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mova m6, m0
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mova m5, m7
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shufps m0, m0, q2301 ; aAbB
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shufps m7, m7, q2301 ; bBcC
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mulps m0, m4
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mulps m7, m3
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mulps m6, m2
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mulps m5, m1
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addps m7, m0
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mova m0, [X_lowq + startq + 16] ; CcDd
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addps m7, m0
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addps m6, m5
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addps m7, m6
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mova [X_highq + startq], m7
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add startq, 16
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jnz .loop2
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RET
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cglobal sbr_sum64x5, 1,2,4,z
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lea r1q, [zq+ 256]
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.loop:
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mova m0, [zq+ 0]
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mova m2, [zq+ 16]
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mova m1, [zq+ 256]
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mova m3, [zq+ 272]
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addps m0, [zq+ 512]
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addps m2, [zq+ 528]
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addps m1, [zq+ 768]
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addps m3, [zq+ 784]
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addps m0, [zq+1024]
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addps m2, [zq+1040]
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addps m0, m1
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addps m2, m3
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mova [zq], m0
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mova [zq+16], m2
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add zq, 32
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cmp zq, r1q
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jne .loop
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REP_RET
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INIT_XMM sse
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cglobal sbr_qmf_post_shuffle, 2,3,4,W,z
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lea r2q, [zq + (64-4)*4]
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mova m3, [ps_neg]
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.loop:
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mova m1, [zq]
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xorps m0, m3, [r2q]
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shufps m0, m0, m0, q0123
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unpcklps m2, m0, m1
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unpckhps m0, m0, m1
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mova [Wq + 0], m2
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mova [Wq + 16], m0
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add Wq, 32
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sub r2q, 16
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add zq, 16
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cmp zq, r2q
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jl .loop
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REP_RET
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INIT_XMM sse
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cglobal sbr_neg_odd_64, 1,2,4,z
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lea r1q, [zq+256]
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.loop:
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mova m0, [zq+ 0]
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mova m1, [zq+16]
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mova m2, [zq+32]
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mova m3, [zq+48]
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xorps m0, [ps_mask2]
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xorps m1, [ps_mask2]
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xorps m2, [ps_mask2]
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xorps m3, [ps_mask2]
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mova [zq+ 0], m0
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mova [zq+16], m1
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mova [zq+32], m2
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mova [zq+48], m3
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add zq, 64
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cmp zq, r1q
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jne .loop
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REP_RET
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; void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1)
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%macro SBR_QMF_DEINT_BFLY 0
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cglobal sbr_qmf_deint_bfly, 3,5,8, v,src0,src1,vrev,c
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mov cq, 64*4-2*mmsize
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lea vrevq, [vq + 64*4]
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.loop:
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mova m0, [src0q+cq]
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mova m1, [src1q]
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mova m4, [src0q+cq+mmsize]
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mova m5, [src1q+mmsize]
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%if cpuflag(sse2)
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pshufd m2, m0, q0123
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pshufd m3, m1, q0123
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pshufd m6, m4, q0123
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pshufd m7, m5, q0123
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%else
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shufps m2, m0, m0, q0123
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shufps m3, m1, m1, q0123
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shufps m6, m4, m4, q0123
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shufps m7, m5, m5, q0123
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%endif
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addps m5, m2
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subps m0, m7
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addps m1, m6
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subps m4, m3
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mova [vrevq], m1
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mova [vrevq+mmsize], m5
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mova [vq+cq], m0
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mova [vq+cq+mmsize], m4
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add src1q, 2*mmsize
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add vrevq, 2*mmsize
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sub cq, 2*mmsize
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jge .loop
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REP_RET
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%endmacro
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INIT_XMM sse
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SBR_QMF_DEINT_BFLY
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INIT_XMM sse2
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SBR_QMF_DEINT_BFLY
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INIT_XMM sse2
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cglobal sbr_qmf_pre_shuffle, 1,4,6,z
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%define OFFSET (32*4-2*mmsize)
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mov r3q, OFFSET
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lea r1q, [zq + (32+1)*4]
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lea r2q, [zq + 64*4]
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mova m5, [ps_neg]
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.loop:
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movu m0, [r1q]
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movu m2, [r1q + mmsize]
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movu m1, [zq + r3q + 4 + mmsize]
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movu m3, [zq + r3q + 4]
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pxor m2, m5
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pxor m0, m5
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pshufd m2, m2, q0123
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pshufd m0, m0, q0123
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SBUTTERFLY dq, 2, 3, 4
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SBUTTERFLY dq, 0, 1, 4
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mova [r2q + 2*r3q + 0*mmsize], m2
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mova [r2q + 2*r3q + 1*mmsize], m3
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mova [r2q + 2*r3q + 2*mmsize], m0
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mova [r2q + 2*r3q + 3*mmsize], m1
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add r1q, 2*mmsize
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sub r3q, 2*mmsize
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jge .loop
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movq m2, [zq]
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movq [r2q], m2
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REP_RET
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%ifdef PIC
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%define NREGS 1
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%if UNIX64
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%define NOISE_TABLE r6q ; r5q is m_max
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%else
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%define NOISE_TABLE r5q
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%endif
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%else
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%define NREGS 0
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%define NOISE_TABLE sbr_noise_table
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%endif
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%macro LOAD_NST 1
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%ifdef PIC
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lea NOISE_TABLE, [%1]
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mova m0, [kxq + NOISE_TABLE]
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%else
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mova m0, [kxq + %1]
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%endif
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%endmacro
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INIT_XMM sse2
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; sbr_hf_apply_noise_0(float (*Y)[2], const float *s_m,
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; const float *q_filt, int noise,
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; int kx, int m_max)
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cglobal sbr_hf_apply_noise_0, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max
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mova m0, [ps_noise0]
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jmp apply_noise_main
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; sbr_hf_apply_noise_1(float (*Y)[2], const float *s_m,
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; const float *q_filt, int noise,
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; int kx, int m_max)
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cglobal sbr_hf_apply_noise_1, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max
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and kxq, 1
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shl kxq, 4
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LOAD_NST ps_noise13
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jmp apply_noise_main
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; sbr_hf_apply_noise_2(float (*Y)[2], const float *s_m,
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; const float *q_filt, int noise,
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; int kx, int m_max)
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cglobal sbr_hf_apply_noise_2, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max
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mova m0, [ps_noise2]
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jmp apply_noise_main
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; sbr_hf_apply_noise_3(float (*Y)[2], const float *s_m,
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; const float *q_filt, int noise,
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; int kx, int m_max)
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cglobal sbr_hf_apply_noise_3, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max
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and kxq, 1
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shl kxq, 4
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LOAD_NST ps_noise13+16
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apply_noise_main:
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%if ARCH_X86_64 == 0 || WIN64
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mov kxd, m_maxm
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DEFINE_ARGS Y, s_m, q_filt, noise, count
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%else
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DEFINE_ARGS Y, s_m, q_filt, noise, kx, count
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%endif
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movsxdifnidn noiseq, noised
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dec noiseq
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shl countd, 2
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%ifdef PIC
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lea NOISE_TABLE, [sbr_noise_table]
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%endif
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lea Yq, [Yq + 2*countq]
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add s_mq, countq
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add q_filtq, countq
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shl noiseq, 3
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pxor m5, m5
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neg countq
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.loop:
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mova m1, [q_filtq + countq]
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movu m3, [noiseq + NOISE_TABLE + 1*mmsize]
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movu m4, [noiseq + NOISE_TABLE + 2*mmsize]
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add noiseq, 2*mmsize
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and noiseq, 0x1ff<<3
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punpckhdq m2, m1, m1
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punpckldq m1, m1
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mulps m1, m3 ; m2 = q_filt[m] * ff_sbr_noise_table[noise]
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mulps m2, m4 ; m2 = q_filt[m] * ff_sbr_noise_table[noise]
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mova m3, [s_mq + countq]
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; TODO: replace by a vpermd in AVX2
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punpckhdq m4, m3, m3
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punpckldq m3, m3
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pcmpeqd m6, m3, m5 ; m6 == 0
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pcmpeqd m7, m4, m5 ; m7 == 0
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mulps m3, m0 ; s_m[m] * phi_sign
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mulps m4, m0 ; s_m[m] * phi_sign
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pand m1, m6
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pand m2, m7
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movu m6, [Yq + 2*countq]
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movu m7, [Yq + 2*countq + mmsize]
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addps m3, m1
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addps m4, m2
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addps m6, m3
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addps m7, m4
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movu [Yq + 2*countq], m6
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movu [Yq + 2*countq + mmsize], m7
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add countq, mmsize
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jl .loop
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RET
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INIT_XMM sse
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cglobal sbr_qmf_deint_neg, 2,4,4,v,src,vrev,c
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%define COUNT 32*4
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%define OFFSET 32*4
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mov cq, -COUNT
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lea vrevq, [vq + OFFSET + COUNT]
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add vq, OFFSET-mmsize
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add srcq, 2*COUNT
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mova m3, [ps_neg]
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.loop:
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mova m0, [srcq + 2*cq + 0*mmsize]
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mova m1, [srcq + 2*cq + 1*mmsize]
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shufps m2, m0, m1, q2020
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shufps m1, m0, q1313
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xorps m2, m3
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mova [vq], m1
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mova [vrevq + cq], m2
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sub vq, mmsize
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add cq, mmsize
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jl .loop
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REP_RET
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%macro SBR_AUTOCORRELATE 0
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cglobal sbr_autocorrelate, 2,3,8,32, x, phi, cnt
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mov cntq, 37*8
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add xq, cntq
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neg cntq
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%if cpuflag(sse3)
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%define MOVH movsd
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movddup m5, [xq+cntq]
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%else
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%define MOVH movlps
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movlps m5, [xq+cntq]
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movlhps m5, m5
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%endif
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MOVH m7, [xq+cntq+8 ]
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MOVH m1, [xq+cntq+16]
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shufps m7, m7, q0110
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shufps m1, m1, q0110
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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]
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mulps m4, m5, m5 ; x[0][0] * x[0][0], x[0][1] * x[0][1];
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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]
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movaps [rsp ], m3
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movaps [rsp+16], m4
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add cntq, 8
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|
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MOVH m2, [xq+cntq+16]
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movlhps m7, m7
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|
shufps m2, m2, q0110
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|
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]
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|
mulps m4, m7, m2
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|
mulps m7, m7 ; real_sum0 = x[1][0] * x[1][0], x[1][1] * x[1][1];
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|
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]
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|
|
|
align 16
|
|
.loop:
|
|
add cntq, 8
|
|
MOVH 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
|
|
MOVH 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
|
|
MOVH 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 m2, m1
|
|
mulps m1, m1
|
|
addps m2, 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 m2, [ps_mask3]
|
|
xorps m5, [ps_mask3]
|
|
xorps m6, [ps_mask3]
|
|
HADDPS m2, m5, m3
|
|
HADDPS m7, m6, m4
|
|
%if cpuflag(sse3)
|
|
movshdup m0, m1
|
|
%else
|
|
movss m0, m1
|
|
shufps m1, m1, q0001
|
|
%endif
|
|
addss m1, m0
|
|
movaps [phiq ], m2
|
|
movhps [phiq+0x18], m7
|
|
movss [phiq+0x28], m7
|
|
movss [phiq+0x10], m1
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse
|
|
SBR_AUTOCORRELATE
|
|
INIT_XMM sse3
|
|
SBR_AUTOCORRELATE
|