netfone.h

IP网络语音通讯软件源代码. 不可多得的语音源代码

//	Modem configuration information

#define	modemInputQueue	10240
#define modemOutputQueue 10240

extern int modemEnable;							// Modem connections enabled ?
extern char modemInitString[128];				// Modem initialisation string
extern char baudrate[12];						// Baud rate
extern char commport[12];						// Communications port
extern int modemHandle;							// Open modem comm port handle
extern int modemSessions;						// Open sessions on modem
extern int modemShowRant;						// Show rant about Windows serial I/O support

//	Remembered connections

extern int rememberedConnections;				// Number of remembered connections
extern LPSTR rememberedConnection[REMEMBER_CONNECTIONS];  // Remembered connections

//	Multicast settings

extern int multiMemberships;					// Number of multicast group memberships
#ifdef IP_MAX_MEMBERSHIPS
extern struct in_addr multiAddr[IP_MAX_MEMBERSHIPS]; // Multicast group IP numbers
extern LPSTR multiName[IP_MAX_MEMBERSHIPS];		// Multicast group names
#endif
extern int multiLoop;							// Multicast loop-back mode
extern int multiBrainDead;						// Multicast loop-back option not supported

//	Answering machine

extern char answerFileName[MAX_PATH];			// Answering machine file name
extern char answerOutFileName[MAX_PATH];			// Answering machine outgoing message file name
extern int answerRecord;						// Record incoming messages

//	Show Your Face

extern char faceFileName[MAX_PATH];				// Face image file name
extern HFILE faceFile; 							// Face image file handle
extern int faceShow;							// Show faces ?

//	Look Who's Listening

extern char lwl_s_server[MAX_PATH];				// Look Who's Listening server name
extern char lwl_s_email[80];					//		E-mail address
extern char lwl_s_fullname[80];					//		Full name
extern char lwl_s_phone[80];					//		Telephone number
extern char lwl_s_location[80];					//		Location name
extern int lwl_s_publish;						//		Publish in directory ?
extern int lwl_s_exact;							//		Exact match only ?

extern char lwl_a_server[MAX_PATH];				// Look Who's Listening query server
extern int lwl_a_exact;							//		Exact matches only

extern int lwl_t_published;						// Directory listing published
extern int lwl_t_resend;						// Time to update directory listing ?
extern int lwl_t_pending;						// LWL server update pending ?
extern struct sockaddr_in lookhost;   			// Look who's listening host, if any

//	VAT/RTP communication state

extern unsigned long ssrc;			  			// RTP synchronisation source identifier
extern unsigned long timestamp; 	  			// RTP packet timestamp
extern unsigned short seq;			  			// RTP packet sequence number
extern unsigned long rtpdesrand;				// RTP DES random RTCP prefix
extern char *sdes;			  					// RTP SDES packet
extern int sdesl;					  			// RTP SDES packet length
extern int spurt;								// Start of talk spurt flag	
extern char *vatid;			  					// VAT ID packet
extern int vatidl;					  			// VAT ID packet length
extern char *rtpsdes;			  				// RTP SDES packet
extern int rtpsdesl;					  		// RTP SDES packet length

extern HCURSOR phoneCursor, earCursor, boltCursor;	// Cursor handles

//	Anti-remote reincarnation protection

extern u_long Lazarus;							// Lazarus host ID
extern int LazarusLong;							// If nonzero, anti-reincarnation timeout
#define LazarusLength	15						// Lazarus timeout in seconds

extern char blankit[];                          // Long string of blanks

#define V	(void)

#ifdef RANT_ON_ERROR
#define errorRant(hwnd)	{if (modemShowRant) { modemRant(hwnd); } }
#else
#define errorRant(hwnd)
#endif
                                                        
//	Function prototypes

extern void revlong(long *l);
extern void revshort(short *s);                                                        

//	Connection window functions

extern LRESULT CALLBACK connectWndProc(HWND hwnd, UINT nMessage,
								WPARAM wParam, LPARAM lParam);
extern HWND createNewConnection(LPCLIENT_DATA pClientData);
extern void connFetchFace(HWND hwndClient, LPCLIENT_DATA pClientData);

//  Dialogue functions

extern VOID aboutDialogue(HWND hwndParent);
extern VOID propellerHeadDialogue(HWND hwndParent);
extern BOOL CALLBACK propellerHeadDlgProc(HWND hwnd,
							UINT nMessage, WPARAM wParam, LPARAM lParam);
extern void propUpdateAudio(void);							
extern VOID benchDialogue(HWND hwndParent);
extern BOOL newHostDialogue(HWND hwndParent, LPSTR pszHostName, LPIN_ADDR paddr,
							unsigned short *port);
extern VOID genKeyDialogue(HWND hwnd);
extern VOID connectionProperties(HWND hwnd, LPCLIENT_DATA d);
extern VOID modemSetupDialogue(HWND hwnd);
extern void modemRant(HWND hwnd);
extern VOID multicastGroupsDialogue(HWND hwnd);
extern VOID answerDialogue(HWND hwndParent);
extern BOOL CALLBACK answerDlgProc(HWND hwnd, UINT nMessage,
							WPARAM wParam, LPARAM lParam);
extern int faceDialogue(HWND hWndParent);							
extern BOOL CALLBACK faceDlgProc(HWND hwnd, UINT nMessage,
							WPARAM wParam, LPARAM lParam);							
extern VOID lwl_ask(HWND hwnd);
extern VOID lwl_tell_settings(HWND hwnd);
extern BOOL voxMonitorDialog(HWND hwndParent);
extern BOOL IsVoxMonitorMessage(MSG *pmsg);
extern void voxMonitorUpdate(long nAudio, long nVox);
extern BOOL IsVoxMonitorOn();

//  Frame window functions

extern LRESULT CALLBACK Frame_WndProc(HWND hwnd, UINT nMessage, WPARAM wParam, LPARAM lParam);
extern void ParseCommandLine(HWND hwnd, LPSTR pszCmdLine);

//  Initialisation functions

extern BOOL InitApplication(HINSTANCE hInstance);
extern BOOL InitInstance(HINSTANCE hInstance, LPSTR pszCmdLine, INT nCmdShow);
void SetupICQ(void);
void SetICQData(HKEY hSpeakFreelyKey, char *szSpeakFreelyPath);

// Default Message Loop

extern void DefaultMessageLoop();

//	WAVE file I/O functions

extern int readWaveInit(HWND hwndApp, LPCLIENT_DATA d, LPSTR szFileName);
extern int readWaveNext(HWND hwnd, LPCLIENT_DATA d);
extern void readWaveTerm(LPCLIENT_DATA d);

#ifdef MODEM

//	CRC calculator functions

extern unsigned short crc(unsigned char *buff, int bufflen);

//	Modem driver functions

extern int openModem(HWND hwnd);
extern int closeModem(HWND hwnd);
#endif

//	Answering machine functions

extern int answerOpen(void);
extern void answerSave(struct in_addr IPaddr, LPSTR hostName, soundbuf *sb);
extern void answerSync(void);
extern void answerClose(void);
extern int answerEnabled(void);

//	Local loopback functions

extern void loop_flush(LPCLIENT_DATA d);
extern int loop_sendto(LPCLIENT_DATA d, const char *buf, int len,
					   const struct sockaddr *to, int tolen);
extern int loop_recvfrom(LPCLIENT_DATA d, char *buf, int len,
             			  struct sockaddr *from, int *fromlen);
extern int loop_samples(LPCLIENT_DATA d);
extern BOOL loop_control_port(LPCLIENT_DATA d);             			  				

//	Show Your Face functions

extern void closeFaceFile(void);
extern int openFaceFile(HWND hwnd);
extern void processFaceRequest(soundbuf *d);
extern void processFaceData(HWND hwnd, LPCLIENT_DATA c, soundbuf *d);

//	Look Who's Listening interface

extern int sendLwlMessage(HWND hDlg, int dobye);
extern int lwl_reconnect(HWND hDlg);

//	RTP protocol functions

extern int rtp_make_sdes(char **pkt, unsigned long ssrc_i, int port, int exact, int strict);
extern int rtp_make_bye(unsigned char *p, unsigned long ssrc_i, char *raison, int strict);
extern int rtp_make_app(unsigned char *p, unsigned long ssrc_i,
						int strict, char *type, char *content);
extern LONG rtpout(soundbuf *sb, unsigned long ssrc_i,
			unsigned long timestamp_i, unsigned short seq_i,
			int spurt);
extern int isValidRTCPpacket(unsigned char *p, int len);
extern int isRTCPByepacket(unsigned char *p, int len);
extern int isRTCPAPPpacket(unsigned char *p, int len, char *name, unsigned char **app_ptr);
extern int isrtp(unsigned char *pkt, int len);
extern int parseSDES(unsigned char *packet, struct rtcp_sdes_request *r);
extern void copySDESitem(char *s, char *d);
extern void string_DES_key(LPSTR key, LPBYTE des_key, char algorithm[16]);

//	Text chat functions

#define RTCP_APP_TEXT_CHAT	"SFtc"			// APP packet name for text chat
#define WM_CHAT_TEXT_SEND (WM_USER + 1004)	// Message sent to frame to transmit text chat
extern VOID chatDialogue(HWND hwndParent);
extern BOOL CALLBACK chatDlgProc(HWND hwnd, UINT nMessage, WPARAM wParam, LPARAM lParam);
extern void chatLog(HWND hwnd, char *ident, char *text);

//	VAT protocol functions

extern int isvat(unsigned char *pkt, int len);
extern LONG vatout(soundbuf *sb, unsigned long ssrc_i, unsigned long timestamp_i, int spurt);
extern int makeVATid(char **vp, unsigned long ssrc_i);
extern int makevatdone(unsigned char *v, unsigned long ssrc_i);

//	LPC10 compression functions

extern void lpc10init(void);
extern int lpc10encode(unsigned char *in, unsigned char *out, int inlen);
extern int lpc10decode(unsigned char *in, unsigned char *out, int inlen);

//	Spectrum display functions

extern BOOL spectrumBarGraph;			// Plot spectrum as bar chart, equaliser style ?
extern BOOL spectrumVoicePrint;			// Plot spectrum as horizontal "waterfall" ?
extern BOOL spectrumTransmitOnly;		// Show transmitted audio only ?
extern BOOL spectrumReceiveOnly;		// Show received audio only ?
extern BOOL spectrumMaxEnergy;			// Show maximum energy in packet, not RMS
extern double spectrum(short *samples, int nsamples, double *ps, int nfreqs, double maxpwr);
extern void spectrumEnd(void);			        
extern VOID spectralDialogue(HWND hwndParent);
extern BOOL CALLBACK spectralDlgProc(HWND hwnd, UINT nMessage, WPARAM wParam, LPARAM lParam);
extern void spectrumUpdate(LPSTR buffer, WORD buflen, DWORD channels,
						   DWORD rate, DWORD bytesec, WORD align, BOOL isInput);

//  Utility functions

extern char *rstring(int resid);
extern char *rfilter(int resid);
extern INT MsgBox(HWND hwndParent, UINT fuType, LPSTR pszFormat, ...);
extern VOID WinPrintf(HDC hdc, INT row, INT col, LPSTR pszFormat, ...);
extern LPSTR SockerrToString(SOCKERR serr);
extern SOCKERR ResetSocket(SOCKET sock);
extern SOCKERR CreateSocket(SOCKET *psock, INT type, ULONG address, PORT port);
extern void playSound(HWND hWnd, LPCLIENT_DATA pClientData, soundbuf *d,
					  int bitsPerSample, int samplesPerSecond);
extern VOID newConnection(HWND hwnd, LPSTR connectionFile, LPSTR knownHost);					 
extern void adpcmdecomp( struct soundbuf *sb);					  
extern int startWaveInput(HWND hwnd);
extern int inputSampleCount(void);
extern void terminateWaveInput(void);
extern void compress2X(soundbuf *asb);
extern void createSoundBuffer(LPSTR buffer, WORD buflen, DWORD channels,
							  DWORD rate, DWORD bytesec, WORD align);
extern void shipSoundBuffer(HWND hwnd, LPCLIENT_DATA pClientData);							  
extern VOID startSoundFile(HWND hwnd, LPSTR pszFile);
extern LPBYTE GIFtoBMP(LPBYTE gif, int imageNumber);
extern void sessionKeyGenerate(LPSTR key, BOOL binary);
extern int makeInternalEncryptionKeys(HWND hwnd, LPCLIENT_DATA d);
extern void multicastJoin(HWND hwnd, int join);
extern void propeller(int control, DWORD value);
extern int obtainOutput(HWND hwnd);
extern unsigned char alaw2ulaw(unsigned char aval);
extern void rate_start(rate_t *rate, int inrate, int outrate);
extern void rate_flow(rate_t *rate, unsigned char *ibuf, unsigned char *obuf,
					  int *isamp, int *osamp);
#ifdef HEXDUMP
extern void xd(void *buf, int bufl, int dochar);
#endif


// Definitions for different builds of the program (e.g. domestic/exportable versions).

#define CONFERENCE_SUPPORT
#define BROADCAST_SUPPORT
//	CRYPTO is now defined by the build configuration settings
//#define CRYPTO							1 // Include strong cryptographic security.
#define ECHO_SUPPORT