这几天比较轻松,所以打算好好来看看linphone的代码,源码版本为3.5.2。从linphone初始化的过程开始,首先来看linphone_core_new函数。
主要工作基本上在函数linphone_core_init中实现
LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
const char *config_path, const char *factory_config_path, void * userdata)
{
LinphoneCore *core=ms_new(LinphoneCore,1);
linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
return core;
}
主要工作基本上在函数linphone_core_init中实现
static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
const char *factory_config_path, void * userdata)
{
memset (lc, 0, sizeof (LinphoneCore));
lc->data=userdata;
lc->ringstream_autorelease=TRUE;
memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable)); //保存了回调函数表
linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up"); //设置linphone内部状态
ortp_init(); //ortp模块初始化
lc->dyn_pt=96; //负载类型从96开始都是动态负载类型
linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
linphone_core_assign