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/*
* audio resampling
* Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* audio resampling
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include "libswresample/resample.h"
int ff_resample_common_int16_mmxext(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_linear_int16_mmxext(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_common_int16_sse2(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_linear_int16_sse2(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_common_float_sse(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_linear_float_sse(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_common_float_avx(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_linear_float_avx(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_common_double_sse2(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
int ff_resample_linear_double_sse2(ResampleContext *c, uint8_t *dst,
const uint8_t *src, int sz, int upd);
void swresample_dsp_x86_init(ResampleContext *c)
{
int av_unused mm_flags = av_get_cpu_flags();
#define FNIDX(fmt) (AV_SAMPLE_FMT_##fmt - AV_SAMPLE_FMT_S16P)
if (ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL && mm_flags & AV_CPU_FLAG_MMX2) {
c->dsp.resample_common[FNIDX(S16P)] = ff_resample_common_int16_mmxext;
c->dsp.resample_linear[FNIDX(S16P)] = ff_resample_linear_int16_mmxext;
}
if (HAVE_SSE_EXTERNAL && mm_flags & AV_CPU_FLAG_SSE) {
c->dsp.resample_common[FNIDX(FLTP)] = ff_resample_common_float_sse;
c->dsp.resample_linear[FNIDX(FLTP)] = ff_resample_linear_float_sse;
}
if (HAVE_SSE2_EXTERNAL && mm_flags & AV_CPU_FLAG_SSE2) {
c->dsp.resample_common[FNIDX(S16P)] = ff_resample_common_int16_sse2;
c->dsp.resample_linear[FNIDX(S16P)] = ff_resample_linear_int16_sse2;
c->dsp.resample_common[FNIDX(DBLP)] = ff_resample_common_double_sse2;
c->dsp.resample_linear[FNIDX(DBLP)] = ff_resample_linear_double_sse2;
}
if (HAVE_AVX_EXTERNAL && mm_flags & AV_CPU_FLAG_AVX) {
c->dsp.resample_common[FNIDX(FLTP)] = ff_resample_common_float_avx;
c->dsp.resample_linear[FNIDX(FLTP)] = ff_resample_linear_float_avx;
}
}
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