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.
49 lines
1.8 KiB
49 lines
1.8 KiB
12 years ago
|
/*
|
||
|
|
* This file is part of libswresample.
|
||
|
|
*
|
||
|
|
* libswresample 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.
|
||
|
|
*
|
||
|
|
* libswresample 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 libswresample; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
#include "libavutil/attributes.h"
|
||
|
|
#include "libavutil/cpu.h"
|
||
|
|
#include "libavutil/arm/cpu.h"
|
||
|
|
#include "libavutil/samplefmt.h"
|
||
|
|
#include "libswresample/swresample_internal.h"
|
||
|
|
#include "libswresample/audioconvert.h"
|
||
|
|
|
||
|
|
void swri_oldapi_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len);
|
||
|
|
|
||
|
|
static void conv_flt_to_s16_neon(uint8_t **dst, const uint8_t **src, int len){
|
||
|
|
swri_oldapi_conv_flt_to_s16_neon((int16_t*)*dst, (const float*)*src, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
av_cold void swri_audio_convert_init_arm(struct AudioConvert *ac,
|
||
|
|
enum AVSampleFormat out_fmt,
|
||
|
|
enum AVSampleFormat in_fmt,
|
||
|
|
int channels)
|
||
|
|
{
|
||
|
|
int cpu_flags = av_get_cpu_flags();
|
||
|
|
|
||
|
|
ac->simd_f= NULL;
|
||
|
|
|
||
|
|
if (have_neon(cpu_flags)) {
|
||
|
|
if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLTP)
|
||
|
|
ac->simd_f = conv_flt_to_s16_neon;
|
||
|
|
}
|
||
|
|
}
|