487 lines
13 KiB
NASM
Executable file
487 lines
13 KiB
NASM
Executable file
;******************************************************************************
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;* SIMD optimized MPEG-4 Parametric Stereo decoding functions
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;*
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;* Copyright (C) 2015 James Almer
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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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ps_p1m1p1m1: dd 0, 0x80000000, 0, 0x80000000
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SECTION .text
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;*************************************************************************
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;void ff_ps_add_squares_<opt>(float *dst, const float (*src)[2], int n);
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;*************************************************************************
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%macro PS_ADD_SQUARES 1
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cglobal ps_add_squares, 3, 3, %1, dst, src, n
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shl nd, 3
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add srcq, nq
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neg nq
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align 16
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.loop:
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movaps m0, [srcq+nq]
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movaps m1, [srcq+nq+mmsize]
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mulps m0, m0
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mulps m1, m1
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HADDPS m0, m1, m2
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addps m0, [dstq]
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movaps [dstq], m0
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add dstq, mmsize
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add nq, mmsize*2
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jl .loop
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REP_RET
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%endmacro
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INIT_XMM sse
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PS_ADD_SQUARES 2
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INIT_XMM sse3
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PS_ADD_SQUARES 3
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;*******************************************************************
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;void ff_ps_mul_pair_single_sse(float (*dst)[2], float (*src0)[2],
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; float *src1, int n);
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;*******************************************************************
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INIT_XMM sse
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cglobal ps_mul_pair_single, 4, 4, 4, dst, src1, src2, n
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shl nd, 3
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add src1q, nq
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add dstq, nq
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neg nq
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align 16
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.loop:
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movu m0, [src1q+nq]
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movu m1, [src1q+nq+mmsize]
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mova m2, [src2q]
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mova m3, m2
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unpcklps m2, m2
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unpckhps m3, m3
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mulps m0, m2
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mulps m1, m3
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mova [dstq+nq], m0
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mova [dstq+nq+mmsize], m1
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add src2q, mmsize
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add nq, mmsize*2
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jl .loop
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REP_RET
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;***********************************************************************
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;void ff_ps_stereo_interpolate_sse3(float (*l)[2], float (*r)[2],
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; float h[2][4], float h_step[2][4],
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; int len);
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;***********************************************************************
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INIT_XMM sse3
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cglobal ps_stereo_interpolate, 5, 5, 6, l, r, h, h_step, n
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movaps m0, [hq]
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movaps m1, [h_stepq]
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unpcklps m4, m0, m0
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unpckhps m0, m0
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unpcklps m5, m1, m1
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unpckhps m1, m1
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shl nd, 3
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add lq, nq
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add rq, nq
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neg nq
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align 16
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.loop:
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addps m4, m5
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addps m0, m1
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movddup m2, [lq+nq]
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movddup m3, [rq+nq]
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mulps m2, m4
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mulps m3, m0
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addps m2, m3
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movsd [lq+nq], m2
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movhps [rq+nq], m2
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add nq, 8
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jl .loop
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REP_RET
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;***************************************************************************
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;void ps_stereo_interpolate_ipdopd_sse3(float (*l)[2], float (*r)[2],
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; float h[2][4], float h_step[2][4],
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; int len);
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;***************************************************************************
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INIT_XMM sse3
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cglobal ps_stereo_interpolate_ipdopd, 5, 5, 10, l, r, h, h_step, n
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movaps m0, [hq]
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movaps m1, [hq+mmsize]
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%if ARCH_X86_64
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movaps m8, [h_stepq]
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movaps m9, [h_stepq+mmsize]
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%define H_STEP0 m8
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%define H_STEP1 m9
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%else
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%define H_STEP0 [h_stepq]
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%define H_STEP1 [h_stepq+mmsize]
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%endif
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shl nd, 3
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add lq, nq
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add rq, nq
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neg nq
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align 16
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.loop:
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addps m0, H_STEP0
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addps m1, H_STEP1
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movddup m2, [lq+nq]
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movddup m3, [rq+nq]
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shufps m4, m2, m2, q2301
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shufps m5, m3, m3, q2301
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unpcklps m6, m0, m0
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unpckhps m7, m0, m0
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mulps m2, m6
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mulps m3, m7
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unpcklps m6, m1, m1
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unpckhps m7, m1, m1
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mulps m4, m6
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mulps m5, m7
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addps m2, m3
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addsubps m2, m4
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addsubps m2, m5
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movsd [lq+nq], m2
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movhps [rq+nq], m2
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add nq, 8
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jl .loop
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REP_RET
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;**********************************************************
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;void ps_hybrid_analysis_ileave_sse(float out[2][38][64],
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; float (*in)[32][2],
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; int i, int len)
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;**********************************************************
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INIT_XMM sse
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cglobal ps_hybrid_analysis_ileave, 3, 7, 5, out, in, i, len, in0, in1, tmp
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movsxdifnidn iq, id
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mov lend, 32 << 3
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lea inq, [inq+iq*4]
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mov tmpd, id
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shl tmpd, 8
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add outq, tmpq
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mov tmpd, 64
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sub tmpd, id
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mov id, tmpd
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test id, 1
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jne .loop4
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test id, 2
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jne .loop8
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align 16
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.loop16:
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mov in0q, inq
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mov in1q, 38*64*4
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add in1q, in0q
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mov tmpd, lend
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.inner_loop16:
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movaps m0, [in0q]
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movaps m1, [in1q]
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movaps m2, [in0q+lenq]
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movaps m3, [in1q+lenq]
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TRANSPOSE4x4PS 0, 1, 2, 3, 4
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movaps [outq], m0
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movaps [outq+lenq], m1
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movaps [outq+lenq*2], m2
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movaps [outq+3*32*2*4], m3
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lea in0q, [in0q+lenq*2]
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lea in1q, [in1q+lenq*2]
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add outq, mmsize
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sub tmpd, mmsize
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jg .inner_loop16
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add inq, 16
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add outq, 3*32*2*4
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sub id, 4
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jg .loop16
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RET
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align 16
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.loop8:
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mov in0q, inq
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mov in1q, 38*64*4
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add in1q, in0q
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mov tmpd, lend
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.inner_loop8:
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movlps m0, [in0q]
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movlps m1, [in1q]
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movhps m0, [in0q+lenq]
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movhps m1, [in1q+lenq]
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SBUTTERFLYPS 0, 1, 2
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SBUTTERFLYPD 0, 1, 2
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movaps [outq], m0
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movaps [outq+lenq], m1
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lea in0q, [in0q+lenq*2]
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lea in1q, [in1q+lenq*2]
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add outq, mmsize
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sub tmpd, mmsize
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jg .inner_loop8
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add inq, 8
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add outq, lenq
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sub id, 2
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jg .loop16
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RET
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align 16
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.loop4:
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mov in0q, inq
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mov in1q, 38*64*4
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add in1q, in0q
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mov tmpd, lend
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.inner_loop4:
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movss m0, [in0q]
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movss m1, [in1q]
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movss m2, [in0q+lenq]
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movss m3, [in1q+lenq]
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movlhps m0, m1
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movlhps m2, m3
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shufps m0, m2, q2020
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movaps [outq], m0
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lea in0q, [in0q+lenq*2]
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lea in1q, [in1q+lenq*2]
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add outq, mmsize
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sub tmpd, mmsize
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jg .inner_loop4
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add inq, 4
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sub id, 1
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test id, 2
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jne .loop8
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cmp id, 4
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jge .loop16
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RET
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;***********************************************************
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;void ps_hybrid_synthesis_deint_sse4(float out[2][38][64],
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; float (*in)[32][2],
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; int i, int len)
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;***********************************************************
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%macro HYBRID_SYNTHESIS_DEINT 0
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cglobal ps_hybrid_synthesis_deint, 3, 7, 5, out, in, i, len, out0, out1, tmp
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%if cpuflag(sse4)
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%define MOVH movsd
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%else
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%define MOVH movlps
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%endif
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movsxdifnidn iq, id
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mov lend, 32 << 3
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lea outq, [outq+iq*4]
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mov tmpd, id
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shl tmpd, 8
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add inq, tmpq
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mov tmpd, 64
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sub tmpd, id
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mov id, tmpd
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test id, 1
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jne .loop4
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test id, 2
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jne .loop8
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align 16
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.loop16:
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mov out0q, outq
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mov out1q, 38*64*4
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add out1q, out0q
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mov tmpd, lend
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.inner_loop16:
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movaps m0, [inq]
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movaps m1, [inq+lenq]
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movaps m2, [inq+lenq*2]
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movaps m3, [inq+3*32*2*4]
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TRANSPOSE4x4PS 0, 1, 2, 3, 4
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movaps [out0q], m0
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movaps [out1q], m1
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movaps [out0q+lenq], m2
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movaps [out1q+lenq], m3
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lea out0q, [out0q+lenq*2]
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lea out1q, [out1q+lenq*2]
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add inq, mmsize
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sub tmpd, mmsize
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jg .inner_loop16
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add outq, 16
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add inq, 3*32*2*4
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sub id, 4
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jg .loop16
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RET
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align 16
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.loop8:
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mov out0q, outq
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mov out1q, 38*64*4
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add out1q, out0q
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mov tmpd, lend
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.inner_loop8:
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movaps m0, [inq]
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movaps m1, [inq+lenq]
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SBUTTERFLYPS 0, 1, 2
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SBUTTERFLYPD 0, 1, 2
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MOVH [out0q], m0
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MOVH [out1q], m1
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movhps [out0q+lenq], m0
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movhps [out1q+lenq], m1
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lea out0q, [out0q+lenq*2]
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lea out1q, [out1q+lenq*2]
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add inq, mmsize
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sub tmpd, mmsize
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jg .inner_loop8
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add outq, 8
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add inq, lenq
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sub id, 2
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jg .loop16
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RET
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align 16
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.loop4:
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mov out0q, outq
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mov out1q, 38*64*4
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add out1q, out0q
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mov tmpd, lend
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.inner_loop4:
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movaps m0, [inq]
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movss [out0q], m0
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%if cpuflag(sse4)
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extractps [out1q], m0, 1
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extractps [out0q+lenq], m0, 2
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extractps [out1q+lenq], m0, 3
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%else
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movhlps m1, m0
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movss [out0q+lenq], m1
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shufps m0, m0, 0xb1
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movss [out1q], m0
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movhlps m1, m0
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movss [out1q+lenq], m1
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%endif
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lea out0q, [out0q+lenq*2]
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lea out1q, [out1q+lenq*2]
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add inq, mmsize
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sub tmpd, mmsize
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jg .inner_loop4
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add outq, 4
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sub id, 1
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test id, 2
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jne .loop8
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cmp id, 4
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jge .loop16
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RET
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%endmacro
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INIT_XMM sse
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HYBRID_SYNTHESIS_DEINT
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INIT_XMM sse4
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HYBRID_SYNTHESIS_DEINT
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;*******************************************************************
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;void ff_ps_hybrid_analysis_<opt>(float (*out)[2], float (*in)[2],
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; const float (*filter)[8][2],
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; ptrdiff_t stride, int n);
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;*******************************************************************
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%macro PS_HYBRID_ANALYSIS_LOOP 3
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movu %1, [inq+mmsize*%3]
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movu m1, [inq+mmsize*(5-%3)+8]
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%if cpuflag(sse3)
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pshufd %2, %1, q2301
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pshufd m4, m1, q0123
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pshufd m1, m1, q1032
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pshufd m2, [filterq+nq+mmsize*%3], q2301
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addsubps %2, m4
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addsubps %1, m1
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%else
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mova m2, [filterq+nq+mmsize*%3]
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mova %2, %1
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mova m4, m1
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shufps %2, %2, q2301
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shufps m4, m4, q0123
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shufps m1, m1, q1032
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shufps m2, m2, q2301
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xorps m4, m7
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xorps m1, m7
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subps %2, m4
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subps %1, m1
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%endif
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mulps %2, m2
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mulps %1, m2
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%if %3
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addps m3, %2
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addps m0, %1
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%endif
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%endmacro
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%macro PS_HYBRID_ANALYSIS 0
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cglobal ps_hybrid_analysis, 5, 5, 8, out, in, filter, stride, n
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%if cpuflag(sse3)
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%define MOVH movsd
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%else
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%define MOVH movlps
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%endif
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shl strideq, 3
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shl nd, 6
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add filterq, nq
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neg nq
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mova m7, [ps_p1m1p1m1]
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align 16
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.loop:
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PS_HYBRID_ANALYSIS_LOOP m0, m3, 0
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PS_HYBRID_ANALYSIS_LOOP m5, m6, 1
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PS_HYBRID_ANALYSIS_LOOP m5, m6, 2
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%if cpuflag(sse3)
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pshufd m3, m3, q2301
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xorps m0, m7
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hsubps m3, m0
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pshufd m1, m3, q0020
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pshufd m3, m3, q0031
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addps m1, m3
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movsd m2, [inq+6*8]
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%else
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mova m1, m3
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mova m2, m0
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shufps m1, m1, q2301
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shufps m2, m2, q2301
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subps m1, m3
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addps m2, m0
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unpcklps m3, m1, m2
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unpckhps m1, m2
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addps m1, m3
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movu m2, [inq+6*8] ; faster than movlps and no risk of overread
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%endif
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movss m3, [filterq+nq+8*6]
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SPLATD m3
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mulps m2, m3
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addps m1, m2
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MOVH [outq], m1
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add outq, strideq
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add nq, 64
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jl .loop
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REP_RET
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%endmacro
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INIT_XMM sse
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PS_HYBRID_ANALYSIS
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INIT_XMM sse3
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PS_HYBRID_ANALYSIS
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