latency.h

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/* Simple Plugin API
 *
 * Copyright © 2023 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
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 */

#ifndef SPA_PARAM_LATENY_H
#define SPA_PARAM_LATENY_H

#ifdef __cplusplus
extern "C" {
#endif

#include <spa/param/param.h>

enum spa_param_latency {
        SPA_PARAM_LATENCY_START,
        SPA_PARAM_LATENCY_direction,            
        SPA_PARAM_LATENCY_minQuantum,           
        SPA_PARAM_LATENCY_maxQuantum,           
        SPA_PARAM_LATENCY_minRate,              
        SPA_PARAM_LATENCY_maxRate,              
        SPA_PARAM_LATENCY_minNs,                
        SPA_PARAM_LATENCY_maxNs,                
};

struct spa_latency_info {
        enum spa_direction direction;
        float min_quantum;
        float max_quantum;
        uint32_t min_rate;
        uint32_t max_rate;
        uint64_t min_ns;
        uint64_t max_ns;
};

#define SPA_LATENCY_INFO(dir,...) ((struct spa_latency_info) { .direction = (dir), ## __VA_ARGS__ })

enum spa_param_process_latency {
        SPA_PARAM_PROCESS_LATENCY_START,
        SPA_PARAM_PROCESS_LATENCY_quantum,      
        SPA_PARAM_PROCESS_LATENCY_rate,         
        SPA_PARAM_PROCESS_LATENCY_ns,           
};

struct spa_process_latency_info {
        float quantum;
        uint32_t rate;
        uint64_t ns;
};

#define SPA_PROCESS_LATENCY_INFO_INIT(...)      ((struct spa_process_latency_info) { __VA_ARGS__ })

#ifdef __cplusplus
}  /* extern "C" */
#endif

#endif /* SPA_PARAM_LATENY_H */