MT#61630 moh: add logs

Add more logs to let MoH functionality
be more explanative and give a clue
it's triggered or not.

Change-Id: Ic512883c3ff9b86554e61362c1d1a456dd733c0d

daemon/call.c

@@ -3473,8 +3473,13 @@ bool call_ml_sendonly_inactive(struct call_monologue *ml) {
 		 * sendonly: !MEDIA_ISSET(media, SEND) && MEDIA_ISSET(media, RECV)
 		 * inactive: !MEDIA_ISSET(media, SEND) && !MEDIA_ISSET(media, RECV)
 		 */
-		if (!MEDIA_ISSET(media, SEND))
+		if (!MEDIA_ISSET(media, SEND)) {
+			if (!MEDIA_ISSET(media, RECV))
+				ilog(LOG_DEBUG, "Coming SDP offer puts on hold using inactive type.");
+			else
+				ilog(LOG_DEBUG, "Coming SDP offer puts on hold using sendonly type.");
 			return true;
+		}
 	}
 	return false;
 }

daemon/media_player.c

@@ -1576,12 +1576,17 @@ const char * call_check_moh(struct call_monologue *from_ml, struct call_monologu
 		to_ml->player->moh = true;
 		/* handle MoH related flags */
 		call_ml_moh_handle_flags(from_ml, to_ml);
+
+		ilog(LOG_DEBUG, "Music on hold triggered with coming SDP offer.");
+
 	} else if (call_ml_stops_moh(from_ml, to_ml, flags->opmode))
 	{
 		/* whom to stop the moh audio */
 		call_stop_media_for_ml(to_ml);
 		/* mark MoH as already not used (it can be unset now) */
 		to_ml->player->moh = false;
+
+		ilog(LOG_DEBUG, "Music on hold stopped with coming SDP offer.");
 	}
 	return NULL;
 #else