From e85296e24493709535857ae10e70d1067b9691ea Mon Sep 17 00:00:00 2001 From: Joshua Colp Date: Fri, 19 Jun 2009 15:41:24 +0000 Subject: Add support for allowing an RTP engine to decide on whether it is possible for specific formats to be transcoded for an RTP instance. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@201902 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- include/asterisk/rtp_engine.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'include') diff --git a/include/asterisk/rtp_engine.h b/include/asterisk/rtp_engine.h index 3fcc12989..2baae32cf 100644 --- a/include/asterisk/rtp_engine.h +++ b/include/asterisk/rtp_engine.h @@ -353,6 +353,8 @@ struct ast_rtp_engine { int (*activate)(struct ast_rtp_instance *instance); /*! Callback to request that the RTP engine send a STUN BIND request */ void (*stun_request)(struct ast_rtp_instance *instance, struct sockaddr_in *suggestion, const char *username); + /*! Callback to get the transcodeable formats supported */ + int (*available_formats)(struct ast_rtp_instance *instance, int to_endpoint, int to_asterisk); /*! Linked list information */ AST_RWLIST_ENTRY(ast_rtp_engine) entry; }; @@ -1497,6 +1499,26 @@ int ast_rtp_instance_set_write_format(struct ast_rtp_instance *instance, int for */ int ast_rtp_instance_make_compatible(struct ast_channel *chan, struct ast_rtp_instance *instance, struct ast_channel *peer); +/*! \brief Request the formats that can be transcoded + * + * \param instance The RTP instance + * \param to_endpoint Formats being sent/received towards the endpoint + * \param to_asterisk Formats being sent/received towards Asterisk + * + * \retval supported formats + * + * Example usage: + * + * \code + * ast_rtp_instance_available_formats(instance, AST_FORMAT_ULAW, AST_FORMAT_SLINEAR); + * \endcode + * + * This sees if it is possible to have ulaw communicated to the endpoint but signed linear received into Asterisk. + * + * \since 1.6.3 + */ +int ast_rtp_instance_available_formats(struct ast_rtp_instance *instance, int to_endpoint, int to_asterisk); + /*! * \brief Indicate to the RTP engine that packets are now expected to be sent/received on the RTP instance * -- cgit v1.2.3