int ttsd_server_is_already_initialized(int pid, unsigned int uid, bool* is_initialized);
-int ttsd_server_initialize(int pid, unsigned int uid, ttsd_mode_e mode, int registered_event_mask, tts_ipc_method_e method, ttsd_state_e* service_state, bool* credential_needed);
+int ttsd_server_initialize(int pid, unsigned int uid, ttsd_mode_e mode, ttsd_playing_mode_e playing_mode, int registered_event_mask, tts_ipc_method_e method, ttsd_state_e* service_state, bool* credential_needed);
int ttsd_server_finalize(unsigned int uid);