demux: playlist: xspf: revector

"ppl can't do xml"

Refactored code, better rogue nodes handling,
properly handles empty nodes and skipping,
reclaims badly referenced nodes.

modules/demux/playlist/itml.c

@@ -227,7 +227,7 @@ static bool parse_dict( stream_t *p_demux, input_item_node_t *p_input_node,
             /* call the simple handler */
             else if( p_handler->pf_handler.smpl )
             {
-                p_handler->pf_handler.smpl( p_track, psz_key, psz_value );
+                p_handler->pf_handler.smpl( p_track, psz_key, psz_value, p_demux->p_sys );
             }
             FREENULL(psz_value);
             p_handler = NULL;
@@ -364,8 +364,9 @@ static void free_track( track_elem_t *p_track )
 }
 
 static bool save_data( track_elem_t *p_track, const char *psz_name,
-                       char *psz_value)
+                       char *psz_value, void *opaque )
 {
+    VLC_UNUSED(opaque);
     /* exit if setting is impossible */
     if( !psz_name || !psz_value || !p_track )
         return false;

modules/demux/playlist/itml.h

@@ -32,7 +32,8 @@
 
 #define SIMPLE_INTERFACE  (track_elem_t    *p_track,\
                            const char      *psz_name,\
-                           char            *psz_value)
+                           char            *psz_value,\
+                           void            *opaque)
 #define COMPLEX_INTERFACE (stream_t        *p_demux,\
                            input_item_node_t    *p_input_node,\
                            track_elem_t    *p_track,\