mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.7 KiB
45 lines
1.7 KiB
13 years ago
|
/*
|
||
|
* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
|
||
|
*
|
||
|
* This file is part of Libav.
|
||
|
*
|
||
|
* Libav 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.
|
||
|
*
|
||
|
* Libav 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 Libav; if not, write to the Free Software
|
||
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
*/
|
||
|
|
||
|
#include "config.h"
|
||
|
#include "libavutil/cpu.h"
|
||
|
#include "libavresample/audio_mix.h"
|
||
|
|
||
|
extern void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len,
|
||
|
int out_ch, int in_ch);
|
||
|
extern void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len,
|
||
|
int out_ch, int in_ch);
|
||
|
|
||
|
av_cold void ff_audio_mix_init_x86(AudioMix *am)
|
||
|
{
|
||
|
#if HAVE_YASM
|
||
|
int mm_flags = av_get_cpu_flags();
|
||
|
|
||
|
if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) {
|
||
|
ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
|
||
|
2, 1, 16, 8, "SSE", ff_mix_2_to_1_fltp_flt_sse);
|
||
|
}
|
||
|
if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) {
|
||
|
ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
|
||
|
2, 1, 32, 16, "AVX", ff_mix_2_to_1_fltp_flt_avx);
|
||
|
}
|
||
|
#endif
|
||
|
}
|