mirror of https://git.ffmpeg.org/ffmpeg.git
463 lines
18 KiB
NASM
463 lines
18 KiB
NASM
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;******************************************************************************
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;* Copyright (c) 2012 Michael Niedermayer
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;* Copyright (c) 2014 James Almer <jamrial <at> 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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%if ARCH_X86_64
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%define pointer resq
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%else
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%define pointer resd
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%endif
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struc ResampleContext
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.av_class: pointer 1
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.filter_bank: pointer 1
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.filter_length: resd 1
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.filter_alloc: resd 1
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.ideal_dst_incr: resd 1
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.dst_incr: resd 1
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.dst_incr_div: resd 1
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.dst_incr_mod: resd 1
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.index: resd 1
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.frac: resd 1
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.src_incr: resd 1
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.compensation_distance: resd 1
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.phase_shift: resd 1
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.phase_mask: resd 1
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; there's a few more here but we only care about the first few
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endstruc
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SECTION_RODATA
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pf_1: dd 1.0
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SECTION .text
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%macro RESAMPLE_FLOAT_FNS 0
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; int resample_common_float(ResampleContext *ctx, float *dst,
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; const float *src, int size, int update_ctx)
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%if ARCH_X86_64 ; unix64 and win64
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cglobal resample_common_float, 0, 15, 2, ctx, dst, src, phase_shift, index, frac, \
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dst_incr_mod, size, min_filter_count_x4, \
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min_filter_len_x4, dst_incr_div, src_incr, \
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phase_mask, dst_end, filter_bank
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; use red-zone for variable storage
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%define ctx_stackq [rsp-0x8]
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%define src_stackq [rsp-0x10]
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%if WIN64
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%define update_context_stackd r4m
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%else ; unix64
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%define update_context_stackd [rsp-0x14]
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%endif
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; load as many variables in registers as possible; for the rest, store
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; on stack so that we have 'ctx' available as one extra register
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mov sized, r3d
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mov phase_maskd, [ctxq+ResampleContext.phase_mask]
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%if UNIX64
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mov update_context_stackd, r4d
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%endif
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mov indexd, [ctxq+ResampleContext.index]
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mov fracd, [ctxq+ResampleContext.frac]
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mov dst_incr_modd, [ctxq+ResampleContext.dst_incr_mod]
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mov filter_bankq, [ctxq+ResampleContext.filter_bank]
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mov src_incrd, [ctxq+ResampleContext.src_incr]
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mov ctx_stackq, ctxq
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mov min_filter_len_x4d, [ctxq+ResampleContext.filter_length]
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mov dst_incr_divd, [ctxq+ResampleContext.dst_incr_div]
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shl min_filter_len_x4d, 2
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lea dst_endq, [dstq+sizeq*4]
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%if UNIX64
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mov ecx, [ctxq+ResampleContext.phase_shift]
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mov edi, [ctxq+ResampleContext.filter_alloc]
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DEFINE_ARGS filter_alloc, dst, src, phase_shift, index, frac, dst_incr_mod, \
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filter, min_filter_count_x4, min_filter_len_x4, dst_incr_div, \
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src_incr, phase_mask, dst_end, filter_bank
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%elif WIN64
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mov R9d, [ctxq+ResampleContext.filter_alloc]
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mov ecx, [ctxq+ResampleContext.phase_shift]
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DEFINE_ARGS phase_shift, dst, src, filter_alloc, index, frac, dst_incr_mod, \
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filter, min_filter_count_x4, min_filter_len_x4, dst_incr_div, \
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src_incr, phase_mask, dst_end, filter_bank
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%endif
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neg min_filter_len_x4q
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sub filter_bankq, min_filter_len_x4q
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sub srcq, min_filter_len_x4q
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mov src_stackq, srcq
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%else ; x86-32
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cglobal resample_common_float, 1, 7, 2, ctx, phase_shift, dst, frac, \
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index, min_filter_length_x4, filter_bank
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; push temp variables to stack
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%define ctx_stackq r0mp
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%define src_stackq r2mp
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%define update_context_stackd r4m
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mov dstq, r1mp
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mov r3, r3mp
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lea r3, [dstq+r3*4]
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PUSH dword [ctxq+ResampleContext.dst_incr_div]
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PUSH dword [ctxq+ResampleContext.dst_incr_mod]
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PUSH dword [ctxq+ResampleContext.filter_alloc]
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PUSH r3
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PUSH dword [ctxq+ResampleContext.phase_mask]
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PUSH dword [ctxq+ResampleContext.src_incr]
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mov min_filter_length_x4d, [ctxq+ResampleContext.filter_length]
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mov indexd, [ctxq+ResampleContext.index]
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shl min_filter_length_x4d, 2
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mov fracd, [ctxq+ResampleContext.frac]
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neg min_filter_length_x4q
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mov filter_bankq, [ctxq+ResampleContext.filter_bank]
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sub r2mp, min_filter_length_x4q
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sub filter_bankq, min_filter_length_x4q
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PUSH min_filter_length_x4q
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PUSH filter_bankq
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mov phase_shiftd, [ctxq+ResampleContext.phase_shift]
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DEFINE_ARGS src, phase_shift, dst, frac, index, min_filter_count_x4, filter
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%define filter_bankq dword [rsp+0x0]
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%define min_filter_length_x4q dword [rsp+0x4]
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%define src_incrd dword [rsp+0x8]
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%define phase_maskd dword [rsp+0xc]
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%define dst_endq dword [rsp+0x10]
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%define filter_allocd dword [rsp+0x14]
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%define dst_incr_modd dword [rsp+0x18]
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%define dst_incr_divd dword [rsp+0x1c]
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mov srcq, r2mp
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%endif
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.loop:
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mov filterd, filter_allocd
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imul filterd, indexd
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%if ARCH_X86_64
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mov min_filter_count_x4q, min_filter_len_x4q
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lea filterq, [filter_bankq+filterq*4]
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%else ; x86-32
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mov min_filter_count_x4q, filter_bankq
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lea filterq, [min_filter_count_x4q+filterq*4]
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mov min_filter_count_x4q, min_filter_length_x4q
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%endif
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xorps m0, m0, m0
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align 16
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.inner_loop:
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movups m1, [srcq+min_filter_count_x4q*1]
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mulps m1, m1, [filterq+min_filter_count_x4q*1]
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addps m0, m0, m1
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add min_filter_count_x4q, mmsize
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js .inner_loop
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%if cpuflag(avx)
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vextractf128 xm1, m0, 0x1
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addps xm0, xm1
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%endif
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; horizontal sum & store
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movhlps xm1, xm0
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addps xm0, xm1
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shufps xm1, xm0, xm0, q0001
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add fracd, dst_incr_modd
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addps xm0, xm1
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add indexd, dst_incr_divd
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movss [dstq], xm0
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cmp fracd, src_incrd
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jl .skip
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sub fracd, src_incrd
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inc indexd
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%if UNIX64
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DEFINE_ARGS filter_alloc, dst, src, phase_shift, index, frac, dst_incr_mod, \
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index_incr, min_filter_count_x4, min_filter_len_x4, dst_incr_div, \
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src_incr, phase_mask, dst_end, filter_bank
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%elif WIN64
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DEFINE_ARGS phase_shift, dst, src, filter_alloc, index, frac, dst_incr_mod, \
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index_incr, min_filter_count_x4, min_filter_len_x4, dst_incr_div, \
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src_incr, phase_mask, dst_end, filter_bank
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%else ; x86-32
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DEFINE_ARGS src, phase_shift, dst, frac, index, index_incr
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%endif
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.skip:
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mov index_incrd, indexd
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add dstq, 4
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and indexd, phase_maskd
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sar index_incrd, phase_shiftb
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lea srcq, [srcq+index_incrq*4]
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cmp dstq, dst_endq
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jne .loop
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%if ARCH_X86_64
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DEFINE_ARGS ctx, dst, src, phase_shift, index, frac
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%else ; x86-32
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DEFINE_ARGS src, ctx, update_context, frac, index
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%endif
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cmp dword update_context_stackd, 0
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jz .skip_store
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; strictly speaking, the function should always return the consumed
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; number of bytes; however, we only use the value if update_context
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; is true, so let's just leave it uninitialized otherwise
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mov ctxq, ctx_stackq
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movifnidn rax, srcq
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mov [ctxq+ResampleContext.frac ], fracd
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sub rax, src_stackq
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mov [ctxq+ResampleContext.index], indexd
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shr rax, 2
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.skip_store:
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%if ARCH_X86_32
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ADD rsp, 0x20
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%endif
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RET
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; int resample_linear_float(ResampleContext *ctx, float *dst,
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; const float *src, int size, int update_ctx)
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%if ARCH_X86_64 ; unix64 and win64
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cglobal resample_linear_float, 0, 15, 5, ctx, dst, src, phase_shift, index, frac, \
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dst_incr_mod, size, min_filter_count_x4, \
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min_filter_len_x4, dst_incr_div, src_incr, \
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phase_mask, dst_end, filter_bank
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; use red-zone for variable storage
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%define ctx_stackq [rsp-0x8]
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%define src_stackq [rsp-0x10]
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%define phase_mask_stackd [rsp-0x14]
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%if WIN64
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%define update_context_stackd r4m
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%else ; unix64
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%define update_context_stackd [rsp-0x18]
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%endif
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; load as many variables in registers as possible; for the rest, store
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; on stack so that we have 'ctx' available as one extra register
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mov sized, r3d
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mov phase_maskd, [ctxq+ResampleContext.phase_mask]
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%if UNIX64
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mov update_context_stackd, r4d
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%endif
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mov indexd, [ctxq+ResampleContext.index]
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mov fracd, [ctxq+ResampleContext.frac]
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mov dst_incr_modd, [ctxq+ResampleContext.dst_incr_mod]
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mov filter_bankq, [ctxq+ResampleContext.filter_bank]
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mov src_incrd, [ctxq+ResampleContext.src_incr]
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mov ctx_stackq, ctxq
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mov phase_mask_stackd, phase_maskd
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mov min_filter_len_x4d, [ctxq+ResampleContext.filter_length]
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cvtsi2ss xm0, src_incrd
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movss xm4, [pf_1]
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divss xm4, xm0
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mov dst_incr_divd, [ctxq+ResampleContext.dst_incr_div]
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shl min_filter_len_x4d, 2
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lea dst_endq, [dstq+sizeq*4]
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%if UNIX64
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mov ecx, [ctxq+ResampleContext.phase_shift]
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mov edi, [ctxq+ResampleContext.filter_alloc]
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DEFINE_ARGS filter_alloc, dst, src, phase_shift, index, frac, dst_incr_mod, \
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filter1, min_filter_count_x4, min_filter_len_x4, dst_incr_div, \
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src_incr, filter2, dst_end, filter_bank
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%elif WIN64
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mov R9d, [ctxq+ResampleContext.filter_alloc]
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mov ecx, [ctxq+ResampleContext.phase_shift]
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DEFINE_ARGS phase_shift, dst, src, filter_alloc, index, frac, dst_incr_mod, \
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filter1, min_filter_count_x4, min_filter_len_x4, dst_incr_div, \
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src_incr, filter2, dst_end, filter_bank
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%endif
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neg min_filter_len_x4q
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sub filter_bankq, min_filter_len_x4q
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sub srcq, min_filter_len_x4q
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mov src_stackq, srcq
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%else ; x86-32
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cglobal resample_linear_float, 1, 7, 5, ctx, filter1, dst, frac, \
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index, min_filter_length_x4, filter_bank
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; push temp variables to stack
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%define ctx_stackq r0mp
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%define src_stackq r2mp
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%define update_context_stackd r4m
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mov dstq, r1mp
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mov r3, r3mp
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lea r3, [dstq+r3*4]
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PUSH dword [ctxq+ResampleContext.dst_incr_div]
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PUSH r3
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mov r3, dword [ctxq+ResampleContext.filter_alloc]
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PUSH dword [ctxq+ResampleContext.dst_incr_mod]
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PUSH r3
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shl r3, 2
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PUSH r3
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mov r3, dword [ctxq+ResampleContext.src_incr]
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PUSH dword [ctxq+ResampleContext.phase_mask]
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PUSH r3d
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cvtsi2ss xm0, r3d
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movss xm4, [pf_1]
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divss xm4, xm0
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mov min_filter_length_x4d, [ctxq+ResampleContext.filter_length]
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mov indexd, [ctxq+ResampleContext.index]
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shl min_filter_length_x4d, 2
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mov fracd, [ctxq+ResampleContext.frac]
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neg min_filter_length_x4q
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mov filter_bankq, [ctxq+ResampleContext.filter_bank]
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|
sub r2mp, min_filter_length_x4q
|
||
|
|
sub filter_bankq, min_filter_length_x4q
|
||
|
|
PUSH min_filter_length_x4q
|
||
|
|
PUSH filter_bankq
|
||
|
|
PUSH dword [ctxq+ResampleContext.phase_shift]
|
||
|
|
|
||
|
|
DEFINE_ARGS src, filter1, dst, frac, index, min_filter_count_x4, filter2
|
||
|
|
|
||
|
|
%define phase_shift_stackd dword [rsp+0x0]
|
||
|
|
%define filter_bankq dword [rsp+0x4]
|
||
|
|
%define min_filter_length_x4q dword [rsp+0x8]
|
||
|
|
%define src_incrd dword [rsp+0xc]
|
||
|
|
%define phase_mask_stackd dword [rsp+0x10]
|
||
|
|
%define filter_alloc_x4q dword [rsp+0x14]
|
||
|
|
%define filter_allocd dword [rsp+0x18]
|
||
|
|
%define dst_incr_modd dword [rsp+0x1c]
|
||
|
|
%define dst_endq dword [rsp+0x20]
|
||
|
|
%define dst_incr_divd dword [rsp+0x24]
|
||
|
|
|
||
|
|
mov srcq, r2mp
|
||
|
|
%endif
|
||
|
|
|
||
|
|
.loop:
|
||
|
|
mov filter1d, filter_allocd
|
||
|
|
imul filter1d, indexd
|
||
|
|
%if ARCH_X86_64
|
||
|
|
mov min_filter_count_x4q, min_filter_len_x4q
|
||
|
|
lea filter1q, [filter_bankq+filter1q*4]
|
||
|
|
lea filter2q, [filter1q+filter_allocq*4]
|
||
|
|
%else ; x86-32
|
||
|
|
mov min_filter_count_x4q, filter_bankq
|
||
|
|
lea filter1q, [min_filter_count_x4q+filter1q*4]
|
||
|
|
mov min_filter_count_x4q, min_filter_length_x4q
|
||
|
|
mov filter2q, filter1q
|
||
|
|
add filter2q, filter_alloc_x4q
|
||
|
|
%endif
|
||
|
|
xorps m0, m0, m0
|
||
|
|
xorps m2, m2, m2
|
||
|
|
|
||
|
|
align 16
|
||
|
|
.inner_loop:
|
||
|
|
movups m1, [srcq+min_filter_count_x4q*1]
|
||
|
|
mulps m3, m1, [filter2q+min_filter_count_x4q*1]
|
||
|
|
mulps m1, m1, [filter1q+min_filter_count_x4q*1]
|
||
|
|
addps m2, m2, m3
|
||
|
|
addps m0, m0, m1
|
||
|
|
add min_filter_count_x4q, mmsize
|
||
|
|
js .inner_loop
|
||
|
|
|
||
|
|
%if cpuflag(avx)
|
||
|
|
vextractf128 xm1, m0, 0x1
|
||
|
|
vextractf128 xm3, m2, 0x1
|
||
|
|
addps xm0, xm1
|
||
|
|
addps xm2, xm3
|
||
|
|
%endif
|
||
|
|
|
||
|
|
; val += (v2 - val) * (FELEML) frac / c->src_incr;
|
||
|
|
cvtsi2ss xm1, fracd
|
||
|
|
subps xm2, xm0
|
||
|
|
mulps xm1, xm4
|
||
|
|
shufps xm1, xm1, q0000
|
||
|
|
mulps xm2, xm1
|
||
|
|
addps xm0, xm2
|
||
|
|
|
||
|
|
; horizontal sum & store
|
||
|
|
movhlps xm1, xm0
|
||
|
|
addps xm0, xm1
|
||
|
|
shufps xm1, xm0, xm0, q0001
|
||
|
|
add fracd, dst_incr_modd
|
||
|
|
addps xm0, xm1
|
||
|
|
add indexd, dst_incr_divd
|
||
|
|
movss [dstq], xm0
|
||
|
|
cmp fracd, src_incrd
|
||
|
|
jl .skip
|
||
|
|
sub fracd, src_incrd
|
||
|
|
inc indexd
|
||
|
|
|
||
|
|
%if UNIX64
|
||
|
|
DEFINE_ARGS filter_alloc, dst, src, phase_shift, index, frac, dst_incr_mod, \
|
||
|
|
index_incr, min_filter_count_x4, min_filter_len_x4, dst_incr_div, \
|
||
|
|
src_incr, filter2, dst_end, filter_bank
|
||
|
|
%elif WIN64
|
||
|
|
DEFINE_ARGS phase_shift, dst, src, filter_alloc, index, frac, dst_incr_mod, \
|
||
|
|
index_incr, min_filter_count_x4, min_filter_len_x4, dst_incr_div, \
|
||
|
|
src_incr, filter2, dst_end, filter_bank
|
||
|
|
%else ; x86-32
|
||
|
|
DEFINE_ARGS src, phase_shift, dst, frac, index, index_incr
|
||
|
|
%endif
|
||
|
|
|
||
|
|
.skip:
|
||
|
|
%if ARCH_X86_32
|
||
|
|
mov phase_shiftd, phase_shift_stackd
|
||
|
|
%endif
|
||
|
|
mov index_incrd, indexd
|
||
|
|
add dstq, 4
|
||
|
|
and indexd, phase_mask_stackd
|
||
|
|
sar index_incrd, phase_shiftb
|
||
|
|
lea srcq, [srcq+index_incrq*4]
|
||
|
|
cmp dstq, dst_endq
|
||
|
|
jne .loop
|
||
|
|
|
||
|
|
%if ARCH_X86_64
|
||
|
|
DEFINE_ARGS ctx, dst, src, phase_shift, index, frac
|
||
|
|
%else ; x86-32
|
||
|
|
DEFINE_ARGS src, ctx, update_context, frac, index
|
||
|
|
%endif
|
||
|
|
|
||
|
|
cmp dword update_context_stackd, 0
|
||
|
|
jz .skip_store
|
||
|
|
; strictly speaking, the function should always return the consumed
|
||
|
|
; number of bytes; however, we only use the value if update_context
|
||
|
|
; is true, so let's just leave it uninitialized otherwise
|
||
|
|
mov ctxq, ctx_stackq
|
||
|
|
movifnidn rax, srcq
|
||
|
|
mov [ctxq+ResampleContext.frac ], fracd
|
||
|
|
sub rax, src_stackq
|
||
|
|
mov [ctxq+ResampleContext.index], indexd
|
||
|
|
shr rax, 2
|
||
|
|
|
||
|
|
.skip_store:
|
||
|
|
%if ARCH_X86_32
|
||
|
|
ADD rsp, 0x28
|
||
|
|
%endif
|
||
|
|
RET
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
INIT_XMM sse
|
||
|
|
RESAMPLE_FLOAT_FNS
|
||
|
|
|
||
|
|
%if HAVE_AVX_EXTERNAL
|
||
|
|
INIT_YMM avx
|
||
|
|
RESAMPLE_FLOAT_FNS
|
||
|
|
%endif
|