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Diffstat (limited to 'include/asterisk')
-rw-r--r-- | include/asterisk/udptl.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/include/asterisk/udptl.h b/include/asterisk/udptl.h new file mode 100644 index 000000000..5b8098078 --- /dev/null +++ b/include/asterisk/udptl.h @@ -0,0 +1,119 @@ +/* + * Asterisk -- A telephony toolkit for Linux. + * + * UDPTL support for T.38 + * + * Copyright (C) 2005, Steve Underwood, partly based on RTP code which is + * Copyright (C) 1999-2004, Digium, Inc. + * + * Steve Underwood <steveu@coppice.org> + * + * This program is free software, distributed under the terms of + * the GNU General Public License + * + * This version is disclaimed to DIGIUM for inclusion in the Asterisk project. + */ + +#ifndef _ASTERISK_UDPTL_H +#define _ASTERISK_UDPTL_H + +#include "asterisk/frame.h" +#include "asterisk/io.h" +#include "asterisk/sched.h" +#include "asterisk/channel.h" + +#include <netinet/in.h> + +enum +{ + UDPTL_ERROR_CORRECTION_NONE, + UDPTL_ERROR_CORRECTION_FEC, + UDPTL_ERROR_CORRECTION_REDUNDANCY +}; + +#if defined(__cplusplus) || defined(c_plusplus) +extern "C" { +#endif + +struct ast_udptl_protocol { + /* Get UDPTL struct, or NULL if unwilling to transfer */ + struct ast_udptl *(*get_udptl_info)(struct ast_channel *chan); + /* Set UDPTL peer */ + int (* const set_udptl_peer)(struct ast_channel *chan, struct ast_udptl *peer); + const char * const type; + struct ast_udptl_protocol *next; +}; + +struct ast_udptl; + +typedef int (*ast_udptl_callback)(struct ast_udptl *udptl, struct ast_frame *f, void *data); + +struct ast_udptl *ast_udptl_new(struct sched_context *sched, struct io_context *io, int callbackmode); + +struct ast_udptl *ast_udptl_new_with_bindaddr(struct sched_context *sched, struct io_context *io, int callbackmode, struct in_addr in); + +void ast_udptl_set_peer(struct ast_udptl *udptl, struct sockaddr_in *them); + +void ast_udptl_get_peer(struct ast_udptl *udptl, struct sockaddr_in *them); + +void ast_udptl_get_us(struct ast_udptl *udptl, struct sockaddr_in *us); + +void ast_udptl_destroy(struct ast_udptl *udptl); + +void ast_udptl_reset(struct ast_udptl *udptl); + +void ast_udptl_set_callback(struct ast_udptl *udptl, ast_udptl_callback callback); + +void ast_udptl_set_data(struct ast_udptl *udptl, void *data); + +int ast_udptl_write(struct ast_udptl *udptl, struct ast_frame *f); + +struct ast_frame *ast_udptl_read(struct ast_udptl *udptl); + +int ast_udptl_fd(struct ast_udptl *udptl); + +int ast_udptl_settos(struct ast_udptl *udptl, int tos); + +void ast_udptl_set_m_type(struct ast_udptl* udptl, int pt); + +void ast_udptl_set_udptlmap_type(struct ast_udptl* udptl, int pt, + char* mimeType, char* mimeSubtype); + +int ast_udptl_lookup_code(struct ast_udptl* udptl, int isAstFormat, int code); + +void ast_udptl_offered_from_local(struct ast_udptl* udptl, int local); + +int ast_udptl_get_error_correction_scheme(struct ast_udptl* udptl); + +void ast_udptl_set_error_correction_scheme(struct ast_udptl* udptl, int ec); + +int ast_udptl_get_local_max_datagram(struct ast_udptl* udptl); + +void ast_udptl_set_local_max_datagram(struct ast_udptl* udptl, int max_datagram); + +int ast_udptl_get_far_max_datagram(struct ast_udptl* udptl); + +void ast_udptl_set_far_max_datagram(struct ast_udptl* udptl, int max_datagram); + +void ast_udptl_get_current_formats(struct ast_udptl* udptl, + int* astFormats, int* nonAstFormats); + +void ast_udptl_setnat(struct ast_udptl *udptl, int nat); + +int ast_udptl_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc); + +int ast_udptl_proto_register(struct ast_udptl_protocol *proto); + +void ast_udptl_proto_unregister(struct ast_udptl_protocol *proto); + +void ast_udptl_stop(struct ast_udptl *udptl); + +void ast_udptl_init(void); + +void ast_udptl_reload(void); + +#if defined(__cplusplus) || defined(c_plusplus) +} +#endif + +#endif |