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f3a9ebd569
Report fractional delay in input samples instead of nsec at the nominal input rate, as that is closer to what the value actually means.
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* Spa */
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/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
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/* SPDX-License-Identifier: MIT */
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#ifndef RESAMPLE_H
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#define RESAMPLE_H
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#include <spa/support/cpu.h>
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#include <spa/support/log.h>
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#define RESAMPLE_DEFAULT_QUALITY 4
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struct resample {
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struct spa_log *log;
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#define RESAMPLE_OPTION_PREFILL (1<<0)
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uint32_t options;
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uint32_t cpu_flags;
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const char *func_name;
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uint32_t channels;
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uint32_t i_rate;
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uint32_t o_rate;
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double rate;
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int quality;
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void (*free) (struct resample *r);
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void (*update_rate) (struct resample *r, double rate);
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uint32_t (*in_len) (struct resample *r, uint32_t out_len);
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uint32_t (*out_len) (struct resample *r, uint32_t in_len);
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void (*process) (struct resample *r,
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const void * SPA_RESTRICT src[], uint32_t *in_len,
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void * SPA_RESTRICT dst[], uint32_t *out_len);
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void (*reset) (struct resample *r);
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uint32_t (*delay) (struct resample *r);
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/** Fractional part of delay (in input samples) */
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float (*phase) (struct resample *r);
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void *data;
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};
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#define resample_free(r) (r)->free(r)
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#define resample_update_rate(r,...) (r)->update_rate(r,__VA_ARGS__)
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#define resample_in_len(r,...) (r)->in_len(r,__VA_ARGS__)
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#define resample_out_len(r,...) (r)->out_len(r,__VA_ARGS__)
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#define resample_process(r,...) (r)->process(r,__VA_ARGS__)
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#define resample_reset(r) (r)->reset(r)
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#define resample_delay(r) (r)->delay(r)
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#define resample_phase(r) (r)->phase(r)
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int resample_native_init(struct resample *r);
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int resample_peaks_init(struct resample *r);
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#endif /* RESAMPLE_H */
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