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Initialisation of xine.
 
 
Parameters: 
 
Returns: 
Current xine engine configuration 
 
See also: 
vo_driver_t, ao_functions_t, config_values_t, gui_stream_end_cb_t, gui_get_next_mrl_cb_t, gui_branched_cb_t 
 Init of xine. It should called once at startup. all callbacks may be NULL if ui is not interested in them for whatever reason ao may be NULL for no audio playback
Warning: 
This function should be called before any other xine_*() function.
 
Parameters: 
| vo |  |  | ao |  |  | config |  |  | stream_end_cb |  |  | get_next_mrl_cb |  |  | branched_cb |  | 
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