core: add libvlc_GetMainPreparser()

Will replace vlc_MetadataRequest().

include/vlc_preparser.h

@@ -103,6 +103,14 @@ VLC_API void vlc_preparser_Delete( vlc_preparser_t *preparser );
  */
 VLC_API void vlc_preparser_Deactivate( vlc_preparser_t *preparser );
 
+/**
+ * Recover the main preparser from libvlc
+ *
+ * @param libvlc valid libvlc object
+ * @return the main preparser (can be NULL)
+ */
+VLC_API vlc_preparser_t *libvlc_GetMainPreparser(libvlc_int_t *libvlc);
+
 /** @} vlc_preparser */
 
 #endif

src/libvlc.c

@@ -454,6 +454,13 @@ static void GetFilenames( libvlc_int_t *p_vlc, unsigned n,
     }
 }
 
+vlc_preparser_t *
+libvlc_GetMainPreparser(libvlc_int_t *libvlc)
+{
+    libvlc_priv_t *priv = libvlc_priv(libvlc);
+    return priv->parser;
+}
+
 int vlc_MetadataRequest(libvlc_int_t *libvlc, input_item_t *item,
                         input_item_meta_request_option_t i_options,
                         const struct vlc_metadata_cbs *cbs,

src/libvlccore.sym

@@ -1007,6 +1007,7 @@ vlc_playlist_Preparse
 vlc_playlist_Export
 vlc_playlist_SetMediaStoppedAction
 vlc_intf_GetMainPlaylist
+libvlc_GetMainPreparser
 vlc_media_source_Hold
 vlc_media_source_Release
 vlc_media_source_provider_Get