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/*
* Asterisk -- A telephony toolkit for Linux.
*
* Real-time Transport Protocol support
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#ifndef _ASTERISK_RTP_H
#define _ASTERISK_RTP_H
#include <asterisk/frame.h>
#include <asterisk/io.h>
#include <asterisk/sched.h>
#include <asterisk/channel.h>
#include <netinet/in.h>
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
struct ast_rtp_protocol {
struct ast_rtp *(*get_rtp_info)(struct ast_channel *chan); /* Get RTP struct, or NULL if unwilling to transfer */
int (*set_rtp_peer)(struct ast_channel *chan, struct ast_rtp *peer); /* Set RTP peer */
int (*get_rtp_willing)(struct ast_channel *chan); /* Willing to native bridge */
char *type;
struct ast_rtp_protocol *next;
};
struct ast_rtp;
typedef int (*ast_rtp_callback)(struct ast_rtp *rtp, struct ast_frame *f, void *data);
struct ast_rtp *ast_rtp_new(struct sched_context *sched, struct io_context *io);
void ast_rtp_set_peer(struct ast_rtp *rtp, struct sockaddr_in *them);
void ast_rtp_get_peer(struct ast_rtp *rpt, struct sockaddr_in *them);
void ast_rtp_get_us(struct ast_rtp *rtp, struct sockaddr_in *us);
void ast_rtp_destroy(struct ast_rtp *rtp);
void ast_rtp_set_callback(struct ast_rtp *rtp, ast_rtp_callback callback);
void ast_rtp_set_data(struct ast_rtp *rtp, void *data);
int ast_rtp_write(struct ast_rtp *rtp, struct ast_frame *f);
struct ast_frame *ast_rtp_read(struct ast_rtp *rtp);
int ast_rtp_fd(struct ast_rtp *rtp);
int ast_rtp_senddigit(struct ast_rtp *rtp, char digit);
int ast_rtp_settos(struct ast_rtp *rtp, int tos);
void ast_rtp_setnat(struct ast_rtp *rtp, int nat);
int ast2rtp(int id);
int rtp2ast(int id);
char *ast2rtpn(int id);
int ast_rtp_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc);
int ast_rtp_proto_register(struct ast_rtp_protocol *proto);
void ast_rtp_proto_unregister(struct ast_rtp_protocol *proto);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
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