pipewire/spa/plugins/audioconvert/resample.h
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2023-02-16 10:54:48 +00:00

49 lines
1.4 KiB
C

/* Spa */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef RESAMPLE_H
#define RESAMPLE_H
#include <spa/support/cpu.h>
#include <spa/support/log.h>
#define RESAMPLE_DEFAULT_QUALITY 4
struct resample {
struct spa_log *log;
#define RESAMPLE_OPTION_PREFILL (1<<0)
uint32_t options;
uint32_t cpu_flags;
const char *func_name;
uint32_t channels;
uint32_t i_rate;
uint32_t o_rate;
double rate;
int quality;
void (*free) (struct resample *r);
void (*update_rate) (struct resample *r, double rate);
uint32_t (*in_len) (struct resample *r, uint32_t out_len);
uint32_t (*out_len) (struct resample *r, uint32_t in_len);
void (*process) (struct resample *r,
const void * SPA_RESTRICT src[], uint32_t *in_len,
void * SPA_RESTRICT dst[], uint32_t *out_len);
void (*reset) (struct resample *r);
uint32_t (*delay) (struct resample *r);
void *data;
};
#define resample_free(r) (r)->free(r)
#define resample_update_rate(r,...) (r)->update_rate(r,__VA_ARGS__)
#define resample_in_len(r,...) (r)->in_len(r,__VA_ARGS__)
#define resample_out_len(r,...) (r)->out_len(r,__VA_ARGS__)
#define resample_process(r,...) (r)->process(r,__VA_ARGS__)
#define resample_reset(r) (r)->reset(r)
#define resample_delay(r) (r)->delay(r)
int resample_native_init(struct resample *r);
int resample_peaks_init(struct resample *r);
#endif /* RESAMPLE_H */