FFmpeg4/libavcodec/x86/opusdsp_init.c

36 lines
1.2 KiB
C

/*
* 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
*/
#include "config.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/opusdsp.h"
void ff_opus_postfilter_fma3(float *data, int period, float *gains, int len);
float ff_opus_deemphasis_fma3(float *out, float *in, float coeff, int len);
av_cold void ff_opus_dsp_init_x86(OpusDSP *ctx)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_FMA3(cpu_flags)) {
ctx->postfilter = ff_opus_postfilter_fma3;
ctx->deemphasis = ff_opus_deemphasis_fma3;
}
}