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/* Spa
*
* Copyright © 2018 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#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 */
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