myvtm/Other/unix/libaudioframework/audiocache.h

#ifndef __AUDIOCACHE_H__
#define __AUDIOCACHE_H__

#pragma once

#ifdef __cplusplus
extern "C" {
#endif

#include <apr_tables.h>

#include "audiostream.h"
#include "audiodriver.h"

typedef struct audiocache_t {
	audiostream_t stream_base;
	audiodriver_t driver_base;
	audioframe_t pending_read;
	audioframe_t pending_write;
	apr_array_header_t *arr_istream;
	apr_array_header_t *arr_ostream;
}audiocache_t;

apr_status_t audiocache_create(apr_pool_t *pool,
							   audioengine_t *engine, 
							   int istream_cnt, // additional read frame stream
							   int ostream_cnt, // additional write frame stream
							   audiocache_t **p_cache);
void audiocache_destroy(audiocache_t *cache);
static audiodriver_t* audiocache_get_driver(audiocache_t *cache) { return &cache->driver_base; }
static audiostream_t* audiocache_get_stream(audiocache_t *cache) { return &cache->stream_base; }
audiostream_t* audiocache_get_istream(audiocache_t *cache, int idx);
audiostream_t* audiocache_get_ostream(audiocache_t *cache, int idx);

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

#endif //__AUDIOCACHE_H__