diff options
author | Russell Bryant <russell@russellbryant.com> | 2006-06-01 14:07:03 +0000 |
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committer | Russell Bryant <russell@russellbryant.com> | 2006-06-01 14:07:03 +0000 |
commit | e21181dbd4094be07161aca8c6cabac055f6083d (patch) | |
tree | 394d15190a06c76a782c170842ece478cecd09a2 /fixedjitterbuf.h | |
parent | 4be235a9742226f603dc6e27755a3ee3e5f8f17f (diff) |
- add slav, zoa, and royk to the CREDITS for the generic jitterbuffer
- change references to the "scx" jitterbuffer to be called "fixed" and change
references to the "stevek" jitterbuffer to be called "adaptive", instead
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@31356 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'fixedjitterbuf.h')
-rw-r--r-- | fixedjitterbuf.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/fixedjitterbuf.h b/fixedjitterbuf.h new file mode 100644 index 000000000..541e99d2d --- /dev/null +++ b/fixedjitterbuf.h @@ -0,0 +1,93 @@ +/* + * 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_ */ |