Fix the soundcard hint so that it trigger only when _all_ calls are paused or...

Fix the soundcard hint so that it trigger only when _all_ calls are paused or pausing (instead of just one call suffice). Also increase the test delay.

coreapi/linphonecore.c

@@ -6438,20 +6438,20 @@ static void notify_soundcard_usage(LinphoneCore *lc, bool_t used){
 void linphone_core_soundcard_hint_check( LinphoneCore* lc){
 	MSList* the_calls = lc->calls;
 	LinphoneCall* call = NULL;
-	bool_t remaining_paused = FALSE;
+	bool_t dont_need_sound = TRUE;
 
 	/* check if the remaining calls are paused */
 	while( the_calls ){
 		call = the_calls->data;
-		if( call->state == LinphoneCallPausing || call->state == LinphoneCallPaused ){
-			remaining_paused = TRUE;
+		if( call->state != LinphoneCallPausing && call->state != LinphoneCallPaused ){
+			dont_need_sound = FALSE;
 			break;
 		}
 		the_calls = the_calls->next;
 	}
 
 	/* if no more calls or all calls are paused, we can free the soundcard */
-	if ( (lc->calls==NULL || remaining_paused) && !lc->use_files){
+	if ( (lc->calls==NULL || dont_need_sound) && !lc->use_files){
 		ms_message("Notifying soundcard that we don't need it anymore for calls.");
 		notify_soundcard_usage(lc,FALSE);
 	}

tester/call_tester.c

@@ -2581,8 +2581,8 @@ static void call_transfer_existing_call_outgoing_call(void) {
 	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_LinphoneCallRefered,1,2000));
 
 	/*pauline pausing marie*/
-	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_LinphoneCallPausing,1,2000));
-	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_LinphoneCallPaused,1,2000));
+	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_LinphoneCallPausing,1,4000));
+	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_LinphoneCallPaused,1,4000));
 	/*pauline calling laure*/
 	CU_ASSERT_TRUE(wait_for_list(lcs,&pauline->stat.number_of_LinphoneCallOutgoingProgress,1,2000));
 	CU_ASSERT_TRUE(wait_for_list(lcs,&marie->stat.number_of_LinphoneTransferCallOutgoingInit,1,2000));