fix early media call forking to avoid capture card sharing between parties

tester/call_tester.c

@@ -1034,7 +1034,8 @@ static void early_media_call_forking(void) {
 	LinphoneCall *marie2_call;
 	LinphoneCall *pauline_call;
 	int dummy=0;
-	char hellopath[256];
+	char ringbackpath[256];
+	snprintf(ringbackpath,sizeof(ringbackpath), "%s/sounds/hello8000.wav" /*use hello because rinback is too short*/, liblinphone_tester_file_prefix);
 	
 	pol.automatically_accept=1;
 	pol.automatically_initiate=1;
@@ -1047,17 +1048,18 @@ static void early_media_call_forking(void) {
 	
 	linphone_core_enable_video(marie1->lc,TRUE,TRUE);
 	linphone_core_set_video_policy(marie1->lc,&pol);
-
 	/*use playfile for marie1 to avoid locking on capture card*/
 	linphone_core_use_files (marie1->lc,TRUE);
-	snprintf(hellopath,sizeof(hellopath), "%s/sounds/hello8000.wav", liblinphone_tester_file_prefix);
-	linphone_core_set_play_file(marie1->lc,hellopath);
+	linphone_core_set_play_file(marie1->lc,ringbackpath);
 
 	
 	linphone_core_enable_video(marie2->lc,TRUE,TRUE);
 	linphone_core_set_video_policy(marie2->lc,&pol);
 	linphone_core_set_audio_port_range(marie2->lc,40200,40300);
 	linphone_core_set_video_port_range(marie2->lc,40400,40500);
+	/*use playfile for marie2 to avoid locking on capture card*/
+	linphone_core_use_files (marie2->lc,TRUE);
+	linphone_core_set_play_file(marie2->lc,ringbackpath);
 	
 	
 	lcs=ms_list_append(lcs,marie1->lc);