mcu_hi3321_watch/application/audio/sample_audio_utils.h
2025-05-26 20:15:20 +08:00

41 lines
1.2 KiB
C

/*
* Copyright (c) CompanyNameMagicTag 2021-2021. All rights reserved.
* Description: sample audio utils
* Author: audio
* Create: 2021-07-27
*/
#ifndef __SAMPLE_AUDIO_UTILS_H__
#define __SAMPLE_AUDIO_UTILS_H__
#include <stdio.h>
#include "soc_uapi_audio.h"
#include "soc_uapi_acodec.h"
typedef struct {
const char *optarg; /* pointer to option argument, if any */
int optind; /* next index in argv to process */
int optopt; /* option value resulting in error, if any */
const char *nextchar; /* next character to process */
} parg_state;
td_void parg_init(parg_state *ps);
td_s32 parg_getopt(parg_state *ps, int argc, td_char *const argv[], const td_char *optstring);
td_void parse_audio_params_from_file(const td_char *file, uapi_audio_pcm_format *pcm_format);
FILE *sample_audio_open_input_stream(const td_char *stream);
td_u32 calc_pcm_frame_size(const uapi_audio_pcm_format *pcm_fmt);
td_u32 calc_audio_frame_size(const uapi_audio_frame *frame);
td_s32 sample_audio_get_acodec_id(const td_char *name, uapi_acodec_id *acodec_id);
td_void get_i2s_attr(uapi_audio_i2s_attr *i2s_attr, const uapi_audio_pcm_format *pcm_fmt, td_bool local_out_port);
td_void flac_skip_header(FILE *in);
#endif