iaxclient.h

我自己根据kiax改写的iax协议软终端

/*
 * iaxclient: a cross-platform IAX softphone library
 *
 * Copyrights:
 * Copyright (C) 2003-2006, Horizon Wimba, Inc.
 * Copyright (C) 2007, Wimba, Inc.
 *
 * Contributors:
 * Steve Kann <[e-mail]>
 * Frik Strecker <[e-mail]>
 * Mihai Balea <mihai AT hates DOT ms>
 * Peter Grayson <[e-mail]>
 * Bill Cholewka <[e-mail]>
 *
 * This program is free software, distributed under the terms of
 * the GNU Lesser (Library) General Public License.
 */
#ifndef _iaxclient_h
#define _iaxclient_h

#ifdef __cplusplus
extern "C" {
#endif

/* This is the include file which declared all external API functions to
 * IAXCLIENT.  It should include all functions and declarations needed
 * by IAXCLIENT library users, but not include internal structures, or
 * require the inclusion of library internals (or sub-libraries) */

#ifdef _MSC_VER
typedef int socklen_t;
#endif
#include <stdio.h>
#if defined(WIN32)  ||  defined(_WIN32_WCE)
#include <windows.h>
#include <winsock.h>
#else
#include <sys/socket.h>
#endif

#ifdef BUILDING_DLL
# if defined(WIN32) ||  defined(_WIN32_WCE)
#  ifdef _MSC_VER
#   define EXPORT __declspec(dllexport)
#  else
#   define EXPORT  __stdcall __declspec(dllexport)
#  endif
# else
#  define EXPORT
#endif
#else
# define EXPORT
#endif

#if defined(WIN32)  ||  defined(_WIN32_WCE)
#if defined(_MSC_VER)
	typedef int (__stdcall *iaxc_sendto_t)(SOCKET, const void *, size_t, int,
			const struct sockaddr *, socklen_t);
	typedef int (__stdcall *iaxc_recvfrom_t)(SOCKET, void *, size_t, int,
			struct sockaddr *, socklen_t *);
#else
	typedef int PASCAL (*iaxc_sendto_t)(SOCKET, const char *, int, int,
			const struct sockaddr *, int);
	typedef int PASCAL (*iaxc_recvfrom_t)(SOCKET, char *, int, int,
			struct sockaddr *, int *);
#endif
#else
	typedef int (*iaxc_sendto_t)(int, const void *, size_t, int,
			const struct sockaddr *, socklen_t);
	typedef int (*iaxc_recvfrom_t)(int, void *, size_t, int,
			struct sockaddr *, socklen_t *);
#endif

#define IAXC_AUDIO_FORMAT_MASK  ((1<<16)-1)
#define IAXC_VIDEO_FORMAT_MASK  (((1<<25)-1) & ~IAXC_AUDIO_FORMAT_MASK)

/* payload formats : WARNING: must match libiax values!!! */
/* Data formats for capabilities and frames alike */
#define IAXC_FORMAT_G723_1       (1 << 0)        /* G.723.1 compression */
#define IAXC_FORMAT_GSM          (1 << 1)        /* GSM compression */
#define IAXC_FORMAT_ULAW         (1 << 2)        /* Raw mu-law data (G.711) */
#define IAXC_FORMAT_ALAW         (1 << 3)        /* Raw A-law data (G.711) */
#define IAXC_FORMAT_G726         (1 << 4)        /* ADPCM, 32kbps  */
#define IAXC_FORMAT_ADPCM        (1 << 5)        /* ADPCM IMA */
#define IAXC_FORMAT_SLINEAR      (1 << 6)        /* Raw 16-bit Signed Linear (8000 Hz) PCM */
#define IAXC_FORMAT_LPC10        (1 << 7)        /* LPC10, 180 samples/frame */
#define IAXC_FORMAT_G729A        (1 << 8)        /* G.729a Audio */
#define IAXC_FORMAT_SPEEX        (1 << 9)        /* Speex Audio */
#define IAXC_FORMAT_ILBC         (1 << 10)       /* iLBC Audio */

#define IAXC_FORMAT_MAX_AUDIO    (1 << 15)       /* Maximum audio format */
#define IAXC_FORMAT_JPEG         (1 << 16)       /* JPEG Images */
#define IAXC_FORMAT_PNG          (1 << 17)       /* PNG Images */
#define IAXC_FORMAT_H261         (1 << 18)       /* H.261 Video */
#define IAXC_FORMAT_H263         (1 << 19)       /* H.263 Video */
#define IAXC_FORMAT_H263_PLUS    (1 << 20)       /* H.263+ Video */
#define IAXC_FORMAT_H264         (1 << 21)       /* H264 Video */
#define IAXC_FORMAT_MPEG4        (1 << 22)       /* MPEG4 Video */
#define IAXC_FORMAT_THEORA       (1 << 24)       /* Theora Video */
#define IAXC_FORMAT_MAX_VIDEO    (1 << 24)       /* Maximum Video Format */

#define IAXC_EVENT_TEXT          1
#define IAXC_EVENT_LEVELS        2
#define IAXC_EVENT_STATE         3
#define IAXC_EVENT_NETSTAT       4
#define IAXC_EVENT_URL           5        /* URL push via IAX(2) */
#define IAXC_EVENT_VIDEO         6
#define IAXC_EVENT_REGISTRATION  8
#define IAXC_EVENT_DTMF          9
#define IAXC_EVENT_AUDIO         10
#define IAXC_EVENT_VIDEOSTATS    11

#define IAXC_CALL_STATE_FREE     0
#define IAXC_CALL_STATE_ACTIVE   (1<<1)
#define IAXC_CALL_STATE_OUTGOING (1<<2)
#define IAXC_CALL_STATE_RINGING  (1<<3)
#define IAXC_CALL_STATE_COMPLETE (1<<4)
#define IAXC_CALL_STATE_SELECTED (1<<5)
#define IAXC_CALL_STATE_BUSY     (1<<6)
#define IAXC_CALL_STATE_TRANSFER (1<<7)

#define IAXC_TEXT_TYPE_STATUS     1
#define IAXC_TEXT_TYPE_NOTICE     2
#define IAXC_TEXT_TYPE_ERROR      3
/* FATAL ERROR: User Agent should probably display error, then die. */
#define IAXC_TEXT_TYPE_FATALERROR 4
#define IAXC_TEXT_TYPE_IAX        5

/* registration replys, corresponding to IAX_EVENTs*/
#define IAXC_REGISTRATION_REPLY_ACK     18   /* IAX_EVENT_REGACC  */
#define IAXC_REGISTRATION_REPLY_REJ     30   /* IAX_EVENT_REGREJ  */
#define IAXC_REGISTRATION_REPLY_TIMEOUT 6    /* IAX_EVENT_TIMEOUT */

#define IAXC_URL_URL              1       /* URL received */
#define IAXC_URL_LDCOMPLETE       2       /* URL loading complete */
#define IAXC_URL_LINKURL          3       /* URL link request */
#define IAXC_URL_LINKREJECT       4       /* URL link reject */
#define IAXC_URL_UNLINK           5       /* URL unlink */

/* The source of the video or audio data triggering the event. */
#define IAXC_SOURCE_LOCAL  1
#define IAXC_SOURCE_REMOTE 2

#define IAXC_EVENT_BUFSIZ 256
struct iaxc_ev_levels {
	float input;
	float output;
};

struct iaxc_ev_text {
	int type;
	int callNo; /* call number for IAX text */
	char message[IAXC_EVENT_BUFSIZ];
};

struct iaxc_ev_call_state {
	int callNo;
	int state;
	int format;
	int vformat;
	char remote[IAXC_EVENT_BUFSIZ];
	char remote_name[IAXC_EVENT_BUFSIZ];
	char local[IAXC_EVENT_BUFSIZ];
	char local_context[IAXC_EVENT_BUFSIZ];
};

struct iaxc_netstat {
	int jitter;
	int losspct;
	int losscnt;
	int packets;
	int delay;
	int dropped;
	int ooo;
};

struct iaxc_ev_netstats {
	int callNo;
	int rtt;
	struct iaxc_netstat local;
	struct iaxc_netstat remote;
};

/*
 * Video statistics code
 */
struct iaxc_video_stats
{
	unsigned long received_slices;  /* Number of received slices */
	unsigned long acc_recv_size;    /* Accumulated size of inbound slices */
	unsigned long sent_slices;      /* Number of sent slices */
	unsigned long acc_sent_size;    /* Accumulated size of outbound slices */

	unsigned long dropped_frames;   /* Number of frames dropped by the codec (incomplete frames */
	unsigned long inbound_frames;   /* Number of frames decoded by the codec (complete frames) */
	unsigned long outbound_frames;  /* Number of frames sent to the encoder */

	float         avg_inbound_fps;  /* Average fps of inbound complete frames */
	unsigned long avg_inbound_bps;  /* Average inbound bitrate */
	float         avg_outbound_fps; /* Average fps of outbound frames */
	unsigned long avg_outbound_bps; /* Average outbound bitrate */

	struct timeval start_time;      /* Timestamp of the moment we started measuring */
};

struct iaxc_ev_video_stats {
	int callNo;
	struct iaxc_video_stats stats;
};

struct iaxc_ev_url {
	int callNo;
	int type;
	char url[IAXC_EVENT_BUFSIZ];
};

struct iaxc_ev_video {
	int callNo;
	unsigned int ts;
	int format;
	int width;
	int height;
	int encoded;
	int source;
	int size;
	char *data;
};

struct iaxc_ev_audio
{
	int callNo;
	unsigned int ts;
	int format;
	int encoded;
	int source;
	int size;
	unsigned char *data;
};

struct iaxc_ev_registration {
	int id;
	int reply;
	int msgcount;
};

typedef struct iaxc_event_struct {
	struct iaxc_event_struct *next;
	int type;
	union {
		struct iaxc_ev_levels           levels;
		struct iaxc_ev_text             text;