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Move definition of RTP structure to rtp.h (preparing for future changes)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@32255 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Olle Johansson
2006-06-05 09:42:28 +00:00
parent e60100750d
commit 4ab449be1b
2 changed files with 64 additions and 64 deletions
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66
include/asterisk/rtp.h
View File

@@ -48,6 +48,8 @@ extern "C" {
/*! Maximum RTP-specific code */
#define AST_RTP_MAX AST_RTP_CISCO_DTMF
#define MAX_RTP_PT 256
struct ast_rtp_protocol {
/*! Get RTP struct, or NULL if unwilling to transfer */
struct ast_rtp *(* const get_rtp_info)(struct ast_channel *chan);
@@ -60,15 +62,75 @@ struct ast_rtp_protocol {
AST_LIST_ENTRY(ast_rtp_protocol) list;
};
typedef int (*ast_rtp_callback)(struct ast_rtp *rtp, struct ast_frame *f, void *data);
/*!
* \brief Structure representing a RTP session.
*
* RTP session is defined on page 9 of RFC 3550: "An association among a set of participants communicating with RTP. A participant may be involved in multiple RTP sessions at the same time [...]"
*
*/
struct ast_rtp;
typedef int (*ast_rtp_callback)(struct ast_rtp *rtp, struct ast_frame *f, void *data);
/*! \brief The value of each payload format mapping: */
struct rtpPayloadType {
int isAstFormat; /*!< whether the following code is an AST_FORMAT */
int code;
};
/*! \brief RTP session description */
struct ast_rtp {
int s;
char resp;
struct ast_frame f;
unsigned char rawdata[8192 + AST_FRIENDLY_OFFSET];
unsigned int ssrc; /*!< Synchronization source, RFC 3550, page 10. */
unsigned int themssrc; /*!< Their SSRC */
unsigned int rxssrc;
unsigned int lastts;
unsigned int lastdigitts;
unsigned int lastrxts;
unsigned int lastividtimestamp;
unsigned int lastovidtimestamp;
unsigned int lasteventseqn;
int lastrxseqno; /*!< Last received sequence number */
unsigned short seedrxseqno; /*!< What sequence number did they start with?*/
unsigned int seedrxts; /*!< What RTP timestamp did they start with? */
unsigned int rxcount; /*!< How many packets have we received? */
unsigned int rxoctetcount; /*!< How many octets have we received? should be rxcount *160*/
unsigned int txcount; /*!< How many packets have we sent? */
unsigned int txoctetcount; /*!< How many octets have we sent? (txcount*160)*/
unsigned int cycles; /*!< Shifted count of sequence number cycles */
double rxjitter; /*!< Interarrival jitter at the moment */
double rxtransit; /*!< Relative transit time for previous packet */
unsigned int lasteventendseqn;
int lasttxformat;
int lastrxformat;
int dtmfcount;
unsigned int dtmfduration;
int nat;
unsigned int flags;
struct sockaddr_in us; /*!< Socket representation of the local endpoint. */
struct sockaddr_in them; /*!< Socket representation of the remote endpoint. */
struct timeval rxcore;
struct timeval txcore;
double drxcore; /*!< The double representation of the first received packet */
struct timeval lastrx; /*!< timeval when we last received a packet */
struct timeval dtmfmute;
struct ast_smoother *smoother;
int *ioid;
unsigned short seqno; /*!< Sequence number, RFC 3550, page 13. */
unsigned short rxseqno;
struct sched_context *sched;
struct io_context *io;
void *data;
ast_rtp_callback callback;
struct rtpPayloadType current_RTP_PT[MAX_RTP_PT];
int rtp_lookup_code_cache_isAstFormat; /*!< a cache for the result of rtp_lookup_code(): */
int rtp_lookup_code_cache_code;
int rtp_lookup_code_cache_result;
struct ast_rtcp *rtcp;
};
/*!
* \brief Initializate a RTP session.

62
rtp.c
View File

@@ -97,74 +97,12 @@ static int ast_rtcp_write_sr(void *data);
static int ast_rtcp_write_rr(void *data);
static unsigned int ast_rtcp_calc_interval(struct ast_rtp *rtp);
/*! \brief The value of each payload format mapping: */
struct rtpPayloadType {
int isAstFormat; /*!< whether the following code is an AST_FORMAT */
int code;
};
#define MAX_RTP_PT 256
#define FLAG_3389_WARNING (1 << 0)
#define FLAG_NAT_ACTIVE (3 << 1)
#define FLAG_NAT_INACTIVE (0 << 1)
#define FLAG_NAT_INACTIVE_NOWARN (1 << 1)
#define FLAG_HAS_DTMF (1 << 3)
/*! \brief RTP session description */
struct ast_rtp {
int s;
char resp;
struct ast_frame f;
unsigned char rawdata[8192 + AST_FRIENDLY_OFFSET];
unsigned int ssrc; /*!< Synchronization source, RFC 3550, page 10. */
unsigned int themssrc; /*!< Their SSRC */
unsigned int rxssrc;
unsigned int lastts;
unsigned int lastdigitts;
unsigned int lastrxts;
unsigned int lastividtimestamp;
unsigned int lastovidtimestamp;
unsigned int lasteventseqn;
int lastrxseqno; /*!< Last received sequence number */
unsigned short seedrxseqno; /*!< What sequence number did they start with?*/
unsigned int seedrxts; /*!< What RTP timestamp did they start with? */
unsigned int rxcount; /*!< How many packets have we received? */
unsigned int rxoctetcount; /*!< How many octets have we received? should be rxcount *160*/
unsigned int txcount; /*!< How many packets have we sent? */
unsigned int txoctetcount; /*!< How many octets have we sent? (txcount*160)*/
unsigned int cycles; /*!< Shifted count of sequence number cycles */
double rxjitter; /*!< Interarrival jitter at the moment */
double rxtransit; /*!< Relative transit time for previous packet */
unsigned int lasteventendseqn;
int lasttxformat;
int lastrxformat;
int dtmfcount;
unsigned int dtmfduration;
int nat;
unsigned int flags;
struct sockaddr_in us; /*!< Socket representation of the local endpoint. */
struct sockaddr_in them; /*!< Socket representation of the remote endpoint. */
struct timeval rxcore;
struct timeval txcore;
double drxcore; /*!< The double representation of the first received packet */
struct timeval lastrx; /*!< timeval when we last received a packet */
struct timeval dtmfmute;
struct ast_smoother *smoother;
int *ioid;
unsigned short seqno; /*!< Sequence number, RFC 3550, page 13. */
unsigned short rxseqno;
struct sched_context *sched;
struct io_context *io;
void *data;
ast_rtp_callback callback;
struct rtpPayloadType current_RTP_PT[MAX_RTP_PT];
int rtp_lookup_code_cache_isAstFormat; /*!< a cache for the result of rtp_lookup_code(): */
int rtp_lookup_code_cache_code;
int rtp_lookup_code_cache_result;
struct ast_rtcp *rtcp;
};
/*!
* \brief Structure defining an RTCP session.
*