* vlc_input: added missing fields for multi-input (nothing working yet).

include/vlc_input.h

@@ -265,9 +265,13 @@ struct input_thread_t
     /* Internal caching common for all inputs */
     int64_t i_pts_delay;
 
-    /* By input properties (will become an array with multi-input) */
+    /* Main input properties */
     input_source_t input;
 
+    /* Slave demuxers (subs, and others) */
+    int            i_slave;
+    input_source_t **slave;
+
     /* Buffer of pending actions */
     vlc_mutex_t lock_control;
     int i_control;