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Add support for using a jitterbuffer for RTP on bridged calls. This includes

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a new implementation of a fixed size jitterbuffer, as well as support for the
existing adaptive jitterbuffer implementation. (issue #3854, Slav Klenov)

Thank you very much to Slav Klenov of Securax and all of the people involved
in the testing of this feature for all of your hard work!


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@31052 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2006-05-31 16:56:50 +00:00
parent 503486e99d
commit bb7dd96cfe
20 changed files with 983 additions and 20 deletions
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93
scx_jitterbuf.h Normal file
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/*
* scx_jitterbuf: jitterbuffering algorithm
*
* 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 _SCX_JITTERBUF_H_
#define _SCX_JITTERBUF_H_
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/* return codes */
#define SCX_JB_OK 0
#define SCX_JB_DROP 1
#define SCX_JB_INTERP 2
#define SCX_JB_NOFRAME 3
/* defaults */
#define SCX_JB_SIZE_DEFAULT 200
#define SCX_JB_RESYNCH_THRESHOLD_DEFAULT 1000
/* jb configuration properties */
struct scx_jb_conf
{
long jbsize;
long resync_threshold;
};
struct scx_jb_frame
{
void *data;
long ts;
long ms;
long delivery;
struct scx_jb_frame *next;
struct scx_jb_frame *prev;
};
struct scx_jb;
/* jb interface */
struct scx_jb * scx_jb_new(struct scx_jb_conf *conf);
void scx_jb_destroy(struct scx_jb *jb);
int scx_jb_put_first(struct scx_jb *jb, void *data, long ms, long ts, long now);
int scx_jb_put(struct scx_jb *jb, void *data, long ms, long ts, long now);
int scx_jb_get(struct scx_jb *jb, struct scx_jb_frame *frame, long now, long interpl);
long scx_jb_next(struct scx_jb *jb);
int scx_jb_remove(struct scx_jb *jb, struct scx_jb_frame *frameout);
void scx_jb_set_force_resynch(struct scx_jb *jb);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* _SCX_JITTERBUF_H_ */