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https://github.com/librempeg/librempeg
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dd61d6489b
x64 always has MMX, MMXEXT, SSE and SSE2 and this means that some functions for MMX, MMXEXT, SSE and 3dnow are always overridden by other functions (unless one e.g. explicitly disables SSE2). So given that the only systems which benefit from the MMXEXT resamplers (which are overridden by SSE2) are truely ancient 32bit x86s they are removed. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*
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* audio resampling
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* Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
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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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/**
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* @file
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* audio resampling
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/x86/cpu.h"
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#include "libswresample/resample.h"
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#define RESAMPLE_FUNCS(type, opt) \
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int ff_resample_common_##type##_##opt(ResampleContext *c, void *dst, \
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const void *src, int sz, int upd); \
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int ff_resample_linear_##type##_##opt(ResampleContext *c, void *dst, \
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const void *src, int sz, int upd)
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RESAMPLE_FUNCS(int16, sse2);
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RESAMPLE_FUNCS(int16, xop);
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RESAMPLE_FUNCS(float, sse);
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RESAMPLE_FUNCS(float, avx);
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RESAMPLE_FUNCS(float, fma3);
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RESAMPLE_FUNCS(float, fma4);
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RESAMPLE_FUNCS(double, sse2);
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RESAMPLE_FUNCS(double, avx);
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RESAMPLE_FUNCS(double, fma3);
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av_cold void swri_resample_dsp_x86_init(ResampleContext *c)
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{
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int av_unused mm_flags = av_get_cpu_flags();
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switch(c->format){
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case AV_SAMPLE_FMT_S16P:
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if (EXTERNAL_SSE2(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_int16_sse2;
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c->dsp.resample_common = ff_resample_common_int16_sse2;
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}
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if (EXTERNAL_XOP(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_int16_xop;
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c->dsp.resample_common = ff_resample_common_int16_xop;
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}
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break;
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case AV_SAMPLE_FMT_FLTP:
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if (EXTERNAL_SSE(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_float_sse;
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c->dsp.resample_common = ff_resample_common_float_sse;
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}
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if (EXTERNAL_AVX_FAST(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_float_avx;
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c->dsp.resample_common = ff_resample_common_float_avx;
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}
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if (EXTERNAL_FMA3_FAST(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_float_fma3;
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c->dsp.resample_common = ff_resample_common_float_fma3;
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}
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if (EXTERNAL_FMA4(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_float_fma4;
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c->dsp.resample_common = ff_resample_common_float_fma4;
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}
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break;
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case AV_SAMPLE_FMT_DBLP:
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if (EXTERNAL_SSE2(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_double_sse2;
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c->dsp.resample_common = ff_resample_common_double_sse2;
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}
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if (EXTERNAL_AVX_FAST(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_double_avx;
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c->dsp.resample_common = ff_resample_common_double_avx;
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}
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if (EXTERNAL_FMA3_FAST(mm_flags)) {
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c->dsp.resample_linear = ff_resample_linear_double_fma3;
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c->dsp.resample_common = ff_resample_common_double_fma3;
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}
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break;
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}
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}
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