mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 00:32:31 +00:00
c8af852b97
This is a new library for audio sample format, channel layout, and sample rate conversion.
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*
|
|
* 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_convert.h"
|
|
|
|
extern void ff_conv_fltp_to_flt_6ch_mmx(float *dst, float *const *src, int len);
|
|
extern void ff_conv_fltp_to_flt_6ch_sse(float *dst, float *const *src, int len);
|
|
|
|
av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
|
|
{
|
|
#if HAVE_YASM
|
|
int mm_flags = av_get_cpu_flags();
|
|
|
|
if (mm_flags & AV_CPU_FLAG_MMX && HAVE_MMX) {
|
|
ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
|
|
6, 1, 4, "MMX", ff_conv_fltp_to_flt_6ch_mmx);
|
|
}
|
|
if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) {
|
|
ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
|
|
6, 16, 4, "SSE", ff_conv_fltp_to_flt_6ch_sse);
|
|
}
|
|
#endif
|
|
}
|