mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-11-29 23:38:23 -05:00
68 lines
2.8 KiB
C
Executable File
68 lines
2.8 KiB
C
Executable File
/*
|
|
* 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/aarch64/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);
|
|
void swri_oldapi_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src, int len, int channels);
|
|
void swri_oldapi_conv_fltp_to_s16_nch_neon(int16_t *dst, float *const *src, int len, int channels);
|
|
|
|
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);
|
|
}
|
|
|
|
static void conv_fltp_to_s16_2ch_neon(uint8_t **dst, const uint8_t **src, int len){
|
|
swri_oldapi_conv_fltp_to_s16_2ch_neon((int16_t*)*dst, (float *const*)src, len, 2);
|
|
}
|
|
|
|
static void conv_fltp_to_s16_nch_neon(uint8_t **dst, const uint8_t **src, int len){
|
|
int channels;
|
|
for(channels=3; channels<SWR_CH_MAX && src[channels]; channels++)
|
|
;
|
|
swri_oldapi_conv_fltp_to_s16_nch_neon((int16_t*)*dst, (float *const*)src, len, channels);
|
|
}
|
|
|
|
av_cold void swri_audio_convert_init_aarch64(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;
|
|
if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels == 2)
|
|
ac->simd_f = conv_fltp_to_s16_2ch_neon;
|
|
if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels > 2)
|
|
ac->simd_f = conv_fltp_to_s16_nch_neon;
|
|
if(ac->simd_f)
|
|
ac->in_simd_align_mask = ac->out_simd_align_mask = 15;
|
|
}
|
|
}
|