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/*
* Copyright (C) 2005, Attractel OOD
*
* Contributors:
* Slav Klenov <slav@securax.org>
*
* Copyright on this file is disclaimed to Digium for inclusion in Asterisk
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Jitterbuffering algorithm.
*
*/
#ifndef _FIXEDJITTERBUF_H_
#define _FIXEDJITTERBUF_H_
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/* return codes */
enum {
FIXED_JB_OK,
FIXED_JB_DROP,
FIXED_JB_INTERP,
FIXED_JB_NOFRAME
};
/* defaults */
#define FIXED_JB_SIZE_DEFAULT 200
#define FIXED_JB_RESYNCH_THRESHOLD_DEFAULT 1000
/* jb configuration properties */
struct fixed_jb_conf
{
long jbsize;
long resync_threshold;
};
struct fixed_jb_frame
{
void *data;
long ts;
long ms;
long delivery;
struct fixed_jb_frame *next;
struct fixed_jb_frame *prev;
};
struct fixed_jb;
/* jb interface */
struct fixed_jb * fixed_jb_new(struct fixed_jb_conf *conf);
void fixed_jb_destroy(struct fixed_jb *jb);
int fixed_jb_put_first(struct fixed_jb *jb, void *data, long ms, long ts, long now);
int fixed_jb_put(struct fixed_jb *jb, void *data, long ms, long ts, long now);
int fixed_jb_get(struct fixed_jb *jb, struct fixed_jb_frame *frame, long now, long interpl);
long fixed_jb_next(struct fixed_jb *jb);
int fixed_jb_remove(struct fixed_jb *jb, struct fixed_jb_frame *frameout);
void fixed_jb_set_force_resynch(struct fixed_jb *jb);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* _FIXEDJITTERBUF_H_ */
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