EXPORT int iaxc_initialize(int num_calls)
{
int i;
int port;
os_init();
setup_jb_output();
MUTEXINIT(&iaxc_lock);
MUTEXINIT(&event_queue_lock);
iaxc_set_audio_prefs(0);
if ( iaxc_recvfrom != (iaxc_recvfrom_t)recvfrom )
iax_set_networking(iaxc_sendto, iaxc_recvfrom);
/* Note that iax_init() only sets up the receive port when the
* sendto/recvfrom functions have not been replaced. We need
* to call iaxc_init in either case because there is other
* initialization beyond the socket setup that needs to be done.
*/
if ( (port = iax_init(source_udp_port)) < 0 )
{
iaxci_usermsg(IAXC_ERROR,
"Fatal error: failed to initialize iax with port %d",
port);
return -1;
}
if ( iaxc_recvfrom == (iaxc_recvfrom_t)recvfrom )
iaxci_bound_port = port;
else
iaxci_bound_port = -1;
/* tweak the jitterbuffer settings */
iax_set_jb_target_extra( jb_target_extra );
max_calls = num_calls;
/* initialize calls */
if ( max_calls <= 0 )
max_calls = 1; /* 0 == Default? */
/* calloc zeroes for us */
calls = (struct iaxc_call *)calloc(sizeof(struct iaxc_call), max_calls);
if ( !calls )
{
iaxci_usermsg(IAXC_ERROR, "Fatal error: can't allocate memory");
return -1;
}
selected_call = -1;
for ( i = 0; i < max_calls; i++ )
{
strncpy(calls[i].callerid_name, DEFAULT_CALLERID_NAME, IAXC_EVENT_BUFSIZ);
strncpy(calls[i].callerid_number, DEFAULT_CALLERID_NUMBER, IAXC_EVENT_BUFSIZ);
}
if ( !test_mode )
{
#ifndef AUDIO_ALSA
if ( pa_initialize(&audio_driver, 8000) )
{
iaxci_usermsg(IAXC_ERROR, "failed pa_initialize");
return -1;
}
#else
/* TODO: It is unknown whether this stuff for direct access to
* alsa should be left in iaxclient. We're leaving it in here for
* the time being, but unless it becomes clear that someone cares
* about having it, it will be removed. Also note that portaudio
* is capable of using alsa. This is another reason why this
* direct alsa access may be unneeded.
*/
if ( alsa_initialize(&audio_driver, 8000) )
return -1;
#endif
}
#ifdef USE_VIDEO
if ( video_initialize() )
iaxci_usermsg(IAXC_ERROR,
"iaxc_initialize: cannot initialize video!\n");
#endif
/* Default audio format capabilities */
audio_format_capability =
IAXC_FORMAT_ULAW |
IAXC_FORMAT_ALAW |
#ifdef CODEC_GSM
IAXC_FORMAT_GSM |
#endif
IAXC_FORMAT_SPEEX;
audio_format_preferred = IAXC_FORMAT_SPEEX;
return 0;
}
EXPORT int iaxc_initialize(int num_calls)
{
printf("ESTOY IAXC 0\n");
int i;
int port;
os_init();
setup_jb_output();
MUTEXINIT(&iaxc_lock);
MUTEXINIT(&event_queue_lock);
iaxc_set_audio_prefs(0);
if ( iaxc_recvfrom != (iaxc_recvfrom_t)recvfrom )
iax_set_networking(iaxc_sendto, iaxc_recvfrom);
/* Note that iax_init() only sets up the receive port when the
* sendto/recvfrom functions have not been replaced. We need
* to call iaxc_init in either case because there is other
* initialization beyond the socket setup that needs to be done.
*/
if ( (port = iax_init(source_udp_port)) < 0 )
{
iaxci_usermsg(IAXC_ERROR,
"Fatal error: failed to initialize iax with port %d",
port);
return -1;
}
if ( iaxc_recvfrom == (iaxc_recvfrom_t)recvfrom )
iaxci_bound_port = port;
else
iaxci_bound_port = -1;
/* tweak the jitterbuffer settings */
iax_set_jb_target_extra( jb_target_extra );
max_calls = num_calls;
/* initialize calls */
if ( max_calls <= 0 )
max_calls = 1; /* 0 == Default? */
/* calloc zeroes for us */
calls = (struct iaxc_call *)calloc(sizeof(struct iaxc_call), max_calls);
if ( !calls )
{
iaxci_usermsg(IAXC_ERROR, "Fatal error: can't allocate memory");
return -1;
}
selected_call = -1;
for ( i = 0; i < max_calls; i++ )
{
strncpy(calls[i].callerid_name, DEFAULT_CALLERID_NAME, IAXC_EVENT_BUFSIZ);
strncpy(calls[i].callerid_number, DEFAULT_CALLERID_NUMBER, IAXC_EVENT_BUFSIZ);
}
printf("ESTOY IAXC\n");
if ( alsa_initialize(&audio_driver, 8000) )
{
iaxci_usermsg(IAXC_ERROR, "failed alsa_initialize");
return -1;
}
#ifdef USE_VIDEO
if ( video_initialize() )
iaxci_usermsg(IAXC_ERROR,
"iaxc_initialize: cannot initialize video!\n");
#endif
/* Default audio format capabilities */
audio_format_capability =
IAXC_FORMAT_ULAW |
IAXC_FORMAT_ALAW |
#ifdef CODEC_GSM
IAXC_FORMAT_GSM |
#endif
IAXC_FORMAT_SPEEX;
audio_format_preferred = IAXC_FORMAT_SPEEX;
return 0;
}
int
Iaxc_Init (Tcl_Interp *interp)
{
iaxcCmd *cmdPtr;
Tcl_Obj *codec_val, *codec_name, *evt_val, *evt_name;
if (Tcl_InitStubs(interp, "8.3", 0) == NULL)
return TCL_ERROR;
MUTEXINIT(&head_mutex);
evt_list = Tcl_NewListObj(0, NULL);
/* iaxc package commands */
for (cmdPtr = commands; cmdPtr->name != NULL; cmdPtr++) {
Tcl_CreateObjCommand(interp, cmdPtr->name, cmdPtr->objProc, (ClientData) "::",(Tcl_CmdDeleteProc *)NULL);
Tcl_CreateObjCommand(interp, cmdPtr->name2, cmdPtr->objProc, (ClientData) "::iaxc::",(Tcl_CmdDeleteProc *)NULL);
}
if (Tcl_Eval(interp, "namespace eval ::iaxc namespace export *") == TCL_ERROR)
return TCL_ERROR;
/*
* set available codecs on ::iaxc namespace
*/
codec_val = Tcl_NewIntObj(1 << 1);
codec_name = Tcl_NewStringObj("::iaxc::IAXC_FORMAT_GSM", -1);
Tcl_ObjSetVar2(interp, codec_name, NULL, codec_val, 0);
codec_val = Tcl_NewIntObj(1 << 2);
codec_name = Tcl_NewStringObj("::iaxc::IAXC_FORMAT_ULAW", -1);
Tcl_ObjSetVar2(interp, codec_name, NULL, codec_val, 0);
codec_val = Tcl_NewIntObj(1 << 3);
codec_name = Tcl_NewStringObj("::iaxc::IAXC_FORMAT_ALAW", -1);
Tcl_ObjSetVar2(interp, codec_name, NULL, codec_val, 0);
codec_val = Tcl_NewIntObj(1 << 9);
codec_name = Tcl_NewStringObj("::iaxc::IAXC_FORMAT_SPEEX", -1);
Tcl_ObjSetVar2(interp, codec_name, NULL, codec_val, 0);
codec_val = Tcl_NewIntObj(1 << 10);
codec_name = Tcl_NewStringObj("::iaxc::IAXC_FORMAT_ILBC", -1);
Tcl_ObjSetVar2(interp, codec_name, NULL, codec_val, 0);
/*
* set available event types
*/
evt_val = Tcl_NewStringObj("text", -1);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_EVENT_TEXT", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewStringObj("levels", -1);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_EVENT_LEVELS", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewStringObj("state", -1);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_EVENT_STATE", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewStringObj("netstat", -1);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_EVENT_NETSTAT", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewStringObj("url", -1);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_EVENT_URL", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewStringObj("video", -1);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_EVENT_VIDEO", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewStringObj("registration", -1);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_EVENT_REGISTRATION", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
/*
* available states for a call (contained in an state event)
*/
evt_val = Tcl_NewIntObj(IAXC_CALL_STATE_FREE);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_CALL_STATE_FREE", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewIntObj(IAXC_CALL_STATE_ACTIVE);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_CALL_STATE_ACTIVE", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewIntObj(IAXC_CALL_STATE_OUTGOING);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_CALL_STATE_OUTGOING", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewIntObj(IAXC_CALL_STATE_RINGING);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_CALL_STATE_RINGING", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewIntObj(IAXC_CALL_STATE_COMPLETE);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_CALL_STATE_COMPLETE", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewIntObj(IAXC_CALL_STATE_SELECTED);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_CALL_STATE_SELECTED", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewIntObj(IAXC_CALL_STATE_BUSY);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_CALL_STATE_BUSY", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
evt_val = Tcl_NewIntObj(IAXC_CALL_STATE_TRANSFER);
evt_name = Tcl_NewStringObj("::iaxc::IAXC_CALL_STATE_TRANSFER", -1);
Tcl_ObjSetVar2(interp, evt_name, NULL, evt_val, 0);
Tcl_PkgProvide(interp, "iaxc", "0.1");
return TCL_OK;
}
//大家可以看看笔者的函数命名习惯，基本遵循匈牙利命名法，即单词首字母大写
//MRSW 是Multi Read and Signal Write（多读和单写）的缩写
//MRSWLock 前缀表示单写多读锁
//中间一个“_”分割符，后面是函数的功能描述Greate，创建，Destroy，摧毁，等等
void MRSWLock_Create(STonyXiaoMultiReadSingleWriteLock* pLock) {
MUTEXINIT(&(pLock->m_Lock)); //初始化内部锁
pLock->m_nReadCount = 0; //初始化读计数器
pLock->m_bWriteFlag = false; //初始化写标志
}
