add config param to disable vfu request

coreapi/linphonecall.c

@@ -1278,11 +1278,14 @@ void linphone_call_enable_camera (LinphoneCall *call, bool_t enable){
 /**
  * Request remote side to send us a Video Fast Update.
 **/
-void linphone_call_send_vfu_request(LinphoneCall *call)
-{
+void linphone_call_send_vfu_request(LinphoneCall *call) {
 #ifdef VIDEO_ENABLED
-	if (LinphoneCallStreamsRunning == linphone_call_get_state(call))
-		sal_call_send_vfu_request(call->op);
+	if (call->core->sip_conf.vfu_with_info) {
+		if (LinphoneCallStreamsRunning == linphone_call_get_state(call))
+			sal_call_send_vfu_request(call->op);
+	} else {
+		ms_message("vfu request using sip disabled from config [sip,vfu_with_info]");
+	}
 #endif
 }
 

coreapi/linphonecore.c

@@ -755,6 +755,7 @@ static void sip_config_read(LinphoneCore *lc)
 	sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 	sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 	sal_enable_sip_update_method(lc->sal,lp_config_get_int(lc->config,"sip","sip_update",1));
+	lc->sip_conf.vfu_with_info=lp_config_get_int(lc->config,"sip","vfu_with_info",1);
 }
 
 static void rtp_config_read(LinphoneCore *lc)

coreapi/private.h

@@ -524,6 +524,7 @@ typedef struct sip_config
 	bool_t ping_with_options;
 	bool_t auto_net_state_mon;
 	bool_t tcp_tls_keepalive;
+	bool_t vfu_with_info; /*use to enable vfu request using sip info*/
 } sip_config_t;
 
 typedef struct rtp_config