git.sesse.net Git - vlc/blob - modules/demux/playlist/xspf.c

   1 /******************************************************************************
   2  * Copyright (C) 2006 Daniel Stränger <vlc at schmaller dot de>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  17  *******************************************************************************/
  18 /**
  19  * \file modules/demux/playlist/xspf.c
  20  * \brief XSPF playlist import functions
  21  */
  22
  23 #include <vlc/vlc.h>
  24 #include <vlc/input.h>
  25 #include <vlc/intf.h>
  26
  27 #include "playlist.h"
  28 #include "vlc_xml.h"
  29 #include "vlc_strings.h"
  30 #include "xspf.h"
  31
  32 /**
  33  * \brief XSPF submodule initialization function
  34  */
  35 int E_(xspf_import_Activate)( vlc_object_t *p_this )
  36 {
  37     demux_t *p_demux = (demux_t *)p_this;
  38     char    *psz_ext;
  39
  40     psz_ext = strrchr ( p_demux->psz_path, '.' );
  41
  42     if( ( psz_ext && !strcasecmp( psz_ext, ".xspf") ) ||
  43         ( p_demux->psz_demux && !strcmp(p_demux->psz_demux, "xspf-open") ) )
  44     {
  45         ;
  46     }
  47     else
  48     {
  49         return VLC_EGENERIC;
  50     }
  51     msg_Dbg( p_demux, "using xspf playlist import");
  52
  53     p_demux->pf_control = xspf_import_Control;
  54     p_demux->pf_demux = xspf_import_Demux;
  55
  56     return VLC_SUCCESS;
  57 }
  58
  59 /**
  60  * \brief demuxer function for XSPF parsing
  61  */
  62 int xspf_import_Demux( demux_t *p_demux )
  63 {
  64 #if 0
  65     playlist_t *p_playlist = NULL;
  66     playlist_item_t *p_current = NULL;
  67
  68     vlc_bool_t b_play;
  69     int i_ret = VLC_SUCCESS;
  70
  71     xml_t *p_xml = NULL;
  72     xml_reader_t *p_xml_reader = NULL;
  73     char *psz_name = NULL;
  74
  75     /* create new xml parser from stream */
  76     p_xml = xml_Create( p_demux );
  77     if( !p_xml )
  78         i_ret = VLC_ENOMOD;
  79     else
  80     {
  81         p_xml_reader = xml_ReaderCreate( p_xml, p_demux->s );
  82         if( !p_xml_reader )
  83             i_ret = VLC_EGENERIC;
  84     }
  85
  86     /* start with parsing the root node */
  87     if ( i_ret == VLC_SUCCESS )
  88         if ( xml_ReaderRead( p_xml_reader ) != 1 )
  89         {
  90             msg_Err( p_demux, "can't read xml stream" );
  91             i_ret = VLC_EGENERIC;
  92         }
  93     /* checking root nody type */
  94     if ( i_ret == VLC_SUCCESS )
  95         if( xml_ReaderNodeType( p_xml_reader ) != XML_READER_STARTELEM )
  96         {
  97             msg_Err( p_demux, "invalid root node type: %i", xml_ReaderNodeType( p_xml_reader ) );
  98             i_ret = VLC_EGENERIC;
  99         }
 100     /* checking root node name */
 101     if ( i_ret == VLC_SUCCESS )
 102         psz_name = xml_ReaderName( p_xml_reader );
 103     if ( !psz_name || strcmp( psz_name, "playlist" ) )
 104     {
 105         msg_Err( p_demux, "invalid root node name: %s", psz_name );
 106         i_ret = VLC_EGENERIC;
 107     }
 108     FREE_NAME();
 109
 110     /* get the playlist ... */
 111     if ( i_ret == VLC_SUCCESS )
 112     {
 113         p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST, FIND_PARENT );
 114         if( !p_playlist )
 115         {
 116             msg_Err( p_demux, "can't find playlist" );
 117             i_ret = VLC_ENOOBJ;
 118         }
 119     }
 120     /* ... and its current item (to convert it to a node) */
 121     if ( i_ret == VLC_SUCCESS )
 122     {
 123         b_play = E_(FindItem)( p_demux, p_playlist, &p_current );
 124         playlist_ItemToNode( p_playlist, p_current );
 125         p_current->input.i_type = ITEM_TYPE_PLAYLIST;
 126         /* parse the playlist node */
 127         i_ret = parse_playlist_node( p_demux, p_playlist, p_current,
 128                                      p_xml_reader, "playlist" );
 129         /* true/false - success/egeneric mapping */
 130         i_ret = ( i_ret==VLC_TRUE ? VLC_SUCCESS : VLC_EGENERIC );
 131
 132         if( b_play )
 133         {
 134             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
 135                               p_playlist->status.i_view,
 136                               p_playlist->status.p_item, NULL );
 137         }
 138     }
 139
 140     if ( p_playlist )
 141         vlc_object_release( p_playlist );
 142     if ( p_xml_reader )
 143         xml_ReaderDelete( p_xml, p_xml_reader );
 144     if ( p_xml )
 145         xml_Delete( p_xml );
 146
 147     return i_ret;
 148 #endif
 149     return 0;
 150 }
 151
 152 /** \brief dummy function for demux callback interface */
 153 int xspf_import_Control( demux_t *p_demux, int i_query, va_list args )
 154 {
 155     return VLC_EGENERIC;
 156 }
 157 #if 0
 158 /**
 159  * \brief parse the root node of a XSPF playlist
 160  * \param p_demux demuxer instance
 161  * \param p_playlist playlist instance
 162  * \param p_item current playlist node
 163  * \param p_xml_reader xml reader instance
 164  * \param psz_element name of element to parse
 165  */
 166 static vlc_bool_t parse_playlist_node COMPLEX_INTERFACE
 167 {
 168     char *psz_name=NULL;
 169     char *psz_value=NULL;
 170     vlc_bool_t b_version_found = VLC_FALSE;
 171     int i_node;
 172     xml_elem_hnd_t *p_handler=NULL;
 173
 174     xml_elem_hnd_t pl_elements[] =
 175         { {"title",        SIMPLE_CONTENT,  {.smpl = set_item_info} },
 176           {"creator",      SIMPLE_CONTENT,  {.smpl = set_item_info} },
 177           {"annotation",   SIMPLE_CONTENT,  {NULL} },
 178           {"info",         SIMPLE_CONTENT,  {NULL} },
 179           {"location",     SIMPLE_CONTENT,  {NULL} },
 180           {"identifier",   SIMPLE_CONTENT,  {NULL} },
 181           {"image",        SIMPLE_CONTENT,  {NULL} },
 182           {"date",         SIMPLE_CONTENT,  {NULL} },
 183           {"license",      SIMPLE_CONTENT,  {NULL} },
 184           {"attribution",  COMPLEX_CONTENT, {.cmplx = skip_element} },
 185           {"link",         SIMPLE_CONTENT,  {NULL} },
 186           {"meta",         SIMPLE_CONTENT,  {NULL} },
 187           {"extension",    COMPLEX_CONTENT, {.cmplx = skip_element} },
 188           {"trackList",    COMPLEX_CONTENT, {.cmplx = parse_tracklist_node} },
 189           {NULL,           UNKNOWN_CONTENT, {NULL} }
 190         };
 191
 192     /* read all playlist attributes */
 193     while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
 194     {
 195         psz_name = xml_ReaderName ( p_xml_reader );
 196         psz_value = xml_ReaderValue ( p_xml_reader );
 197         if ( !psz_name || !psz_value )
 198         {
 199             msg_Err( p_demux, "invalid xml stream @ <playlist>" );
 200             FREE_ATT();
 201             return VLC_FALSE;
 202         }
 203         /* attribute: version */
 204         if ( !strcmp( psz_name, "version" ) )
 205         {
 206             b_version_found = VLC_TRUE;
 207             if ( strcmp( psz_value, "0" ) && strcmp( psz_value, "1" ) )
 208                 msg_Warn( p_demux, "unsupported XSPF version" );
 209         }
 210         /* attribute: xmlns */
 211         else if ( !strcmp ( psz_name, "xmlns" ) )
 212             ;
 213         /* unknown attribute */
 214         else
 215             msg_Warn( p_demux, "invalid <playlist> attribute:\"%s\"", psz_name);
 216
 217         FREE_ATT();
 218     }
 219     /* attribute version is mandatory !!! */
 220     if ( !b_version_found )
 221         msg_Warn( p_demux, "<playlist> requires \"version\" attribute" );
 222
 223     /* parse the child elements - we only take care of <trackList> */
 224     while ( xml_ReaderRead( p_xml_reader ) == 1 )
 225     {
 226         i_node = xml_ReaderNodeType( p_xml_reader );
 227         switch ( i_node )
 228         {
 229             case XML_READER_NONE:
 230                 break;
 231             case XML_READER_STARTELEM:
 232                 /*  element start tag  */
 233                 psz_name = xml_ReaderName( p_xml_reader );
 234                 if ( !psz_name || !*psz_name )
 235                 {
 236                     msg_Err( p_demux, "invalid xml stream" );
 237                     FREE_ATT();
 238                     return VLC_FALSE;
 239                 }
 240                 /* choose handler */
 241                 for( p_handler = pl_elements;
 242                      p_handler->name && strcmp( psz_name, p_handler->name );
 243                      p_handler++ );
 244                 if ( !p_handler->name )
 245                 {
 246                     msg_Err( p_demux, "unexpected element <%s>", psz_name );
 247                     FREE_ATT();
 248                     return VLC_FALSE;
 249                 }
 250                 FREE_NAME();
 251                 /* complex content is parsed in a separate function */
 252                 if ( p_handler->type == COMPLEX_CONTENT )
 253                 {
 254                     if ( p_handler->pf_handler.cmplx( p_demux,
 255                                                       p_playlist,
 256                                                       p_item,
 257                                                       p_xml_reader,
 258                                                       p_handler->name ) )
 259                     {
 260                         p_handler = NULL;
 261                         FREE_ATT();
 262                     }
 263                     else
 264                     {
 265                         FREE_ATT();
 266                         return VLC_FALSE;
 267                     }
 268                 }
 269                 break;
 270
 271             case XML_READER_TEXT:
 272                 /* simple element content */
 273                 FREE_ATT();
 274                 psz_value = xml_ReaderValue( p_xml_reader );
 275                 if ( !psz_value )
 276                 {
 277                     msg_Err( p_demux, "invalid xml stream" );
 278                     FREE_ATT();
 279                     return VLC_FALSE;
 280                 }
 281                 break;
 282
 283             case XML_READER_ENDELEM:
 284                 /* element end tag */
 285                 psz_name = xml_ReaderName( p_xml_reader );
 286                 if ( !psz_name )
 287                 {
 288                     msg_Err( p_demux, "invalid xml stream" );
 289                     FREE_ATT();
 290                     return VLC_FALSE;
 291                 }
 292                 /* leave if the current parent node <playlist> is terminated */
 293                 if ( !strcmp( psz_name, psz_element ) )
 294                 {
 295                     FREE_ATT();
 296                     return VLC_TRUE;
 297                 }
 298                 /* there MUST have been a start tag for that element name */
 299                 if ( !p_handler || !p_handler->name
 300                      || strcmp( p_handler->name, psz_name ))
 301                 {
 302                     msg_Err( p_demux, "there's no open element left for <%s>",
 303                              psz_name );
 304                     FREE_ATT();
 305                     return VLC_FALSE;
 306                 }
 307
 308                 if ( p_handler->pf_handler.smpl )
 309                 {
 310                     p_handler->pf_handler.smpl( p_item, p_handler->name,
 311                                                 psz_value );
 312                 }
 313                 FREE_ATT();
 314                 p_handler = NULL;
 315                 break;
 316
 317             default:
 318                 /* unknown/unexpected xml node */
 319                 msg_Err( p_demux, "unexpected xml node %i", i_node );
 320                 FREE_ATT();
 321                 return VLC_FALSE;
 322         }
 323         FREE_NAME();
 324     }
 325     return VLC_FALSE;
 326 }
 327
 328 /**
 329  * \brief parses the tracklist node which only may contain <track>s
 330  */
 331 static vlc_bool_t parse_tracklist_node COMPLEX_INTERFACE
 332 {
 333     char *psz_name=NULL;
 334     int i_node;
 335     int i_ntracks = 0;
 336
 337     /* now parse the <track>s */
 338     while ( xml_ReaderRead( p_xml_reader ) == 1 )
 339     {
 340         i_node = xml_ReaderNodeType( p_xml_reader );
 341         if ( i_node == XML_READER_STARTELEM )
 342         {
 343             psz_name = xml_ReaderName( p_xml_reader );
 344             if ( !psz_name )
 345             {
 346                 msg_Err( p_demux, "unexpected end of xml data" );
 347                 FREE_NAME();
 348                 return VLC_FALSE;
 349             }
 350             if ( strcmp( psz_name, "track") )
 351             {
 352                 msg_Err( p_demux, "unexpected child of <trackList>: <%s>",
 353                          psz_name );
 354                 FREE_NAME();
 355                 return VLC_FALSE;
 356             }
 357             FREE_NAME();
 358
 359             /* parse the track data in a separate function */
 360             if ( parse_track_node( p_demux, p_playlist, p_item, p_xml_reader,
 361                                    "track" ) == VLC_TRUE )
 362                 i_ntracks++;
 363         }
 364         else if ( i_node == XML_READER_ENDELEM )
 365             break;
 366     }
 367
 368     /* the <trackList> has to be terminated */
 369     if ( xml_ReaderNodeType( p_xml_reader ) != XML_READER_ENDELEM )
 370     {
 371         msg_Err( p_demux, "there's a missing </trackList>" );
 372         FREE_NAME();
 373         return VLC_FALSE;
 374     }
 375     psz_name = xml_ReaderName( p_xml_reader );
 376     if ( !psz_name || strcmp( psz_name, "trackList" ) )
 377     {
 378         msg_Err( p_demux, "expected: </trackList>, found: </%s>", psz_name );
 379         FREE_NAME();
 380         return VLC_FALSE;
 381     }
 382     FREE_NAME();
 383
 384     msg_Dbg( p_demux, "parsed %i tracks successfully", i_ntracks );
 385
 386     return VLC_TRUE;
 387 }
 388
 389 /**
 390  * \brief parse one track element
 391  * \param COMPLEX_INTERFACE
 392  */
 393 static vlc_bool_t parse_track_node COMPLEX_INTERFACE
 394 {
 395     playlist_item_t *p_new=NULL;
 396     int i_node;
 397     char *psz_name=NULL;
 398     char *psz_value=NULL;
 399     xml_elem_hnd_t *p_handler=NULL;
 400
 401     xml_elem_hnd_t track_elements[] =
 402         { {"location",     SIMPLE_CONTENT,  {NULL} },
 403           {"identifier",   SIMPLE_CONTENT,  {NULL} },
 404           {"title",        SIMPLE_CONTENT,  {.smpl = set_item_info} },
 405           {"creator",      SIMPLE_CONTENT,  {.smpl = set_item_info} },
 406           {"annotation",   SIMPLE_CONTENT,  {NULL} },
 407           {"info",         SIMPLE_CONTENT,  {NULL} },
 408           {"image",        SIMPLE_CONTENT,  {NULL} },
 409           {"album",        SIMPLE_CONTENT,  {.smpl = set_item_info} },
 410           {"trackNum",     SIMPLE_CONTENT,  {.smpl = set_item_info} },
 411           {"duration",     SIMPLE_CONTENT,  {.smpl = set_item_info} },
 412           {"link",         SIMPLE_CONTENT,  {NULL} },
 413           {"meta",         SIMPLE_CONTENT,  {NULL} },
 414           {"extension",    COMPLEX_CONTENT, {.cmplx = skip_element} },
 415           {NULL,           UNKNOWN_CONTENT, {NULL} }
 416         };
 417
 418     while ( xml_ReaderRead( p_xml_reader ) == 1 )
 419     {
 420         i_node = xml_ReaderNodeType( p_xml_reader );
 421         switch ( i_node )
 422         {
 423             case XML_READER_NONE:
 424                 break;
 425
 426             case XML_READER_STARTELEM:
 427                 /*  element start tag  */
 428                 psz_name = xml_ReaderName( p_xml_reader );
 429                 if ( !psz_name || !*psz_name )
 430                 {
 431                     msg_Err( p_demux, "invalid xml stream" );
 432                     FREE_ATT();
 433                     return VLC_FALSE;
 434                 }
 435                 /* choose handler */
 436                 for( p_handler = track_elements;
 437                      p_handler->name && strcmp( psz_name, p_handler->name );
 438                      p_handler++ );
 439                 if ( !p_handler->name )
 440                 {
 441                     msg_Err( p_demux, "unexpected element <%s>", psz_name );
 442                     FREE_ATT();
 443                     return VLC_FALSE;
 444                 }
 445                 FREE_NAME();
 446                 /* complex content is parsed in a separate function */
 447                 if ( p_handler->type == COMPLEX_CONTENT )
 448                 {
 449                     if ( !p_new )
 450                     {
 451                         msg_Err( p_demux,
 452                                  "at <%s> level no new item has been allocated",
 453                                  p_handler->name );
 454                         FREE_ATT();
 455                         return VLC_FALSE;
 456                     }
 457                     if ( p_handler->pf_handler.cmplx( p_demux,
 458                                                       p_playlist,
 459                                                       p_new,
 460                                                       p_xml_reader,
 461                                                       p_handler->name ) )
 462                     {
 463                         p_handler = NULL;
 464                         FREE_ATT();
 465                     }
 466                     else
 467                     {
 468                         FREE_ATT();
 469                         return VLC_FALSE;
 470                     }
 471                 }
 472                 break;
 473
 474             case XML_READER_TEXT:
 475                 /* simple element content */
 476                 FREE_ATT();
 477                 psz_value = xml_ReaderValue( p_xml_reader );
 478                 if ( !psz_value )
 479                 {
 480                     msg_Err( p_demux, "invalid xml stream" );
 481                     FREE_ATT();
 482                     return VLC_FALSE;
 483                 }
 484                 break;
 485
 486             case XML_READER_ENDELEM:
 487                 /* element end tag */
 488                 psz_name = xml_ReaderName( p_xml_reader );
 489                 if ( !psz_name )
 490                 {
 491                     msg_Err( p_demux, "invalid xml stream" );
 492                     FREE_ATT();
 493                     return VLC_FALSE;
 494                 }
 495                 /* leave if the current parent node <track> is terminated */
 496                 if ( !strcmp( psz_name, psz_element ) )
 497                 {
 498                     FREE_ATT();
 499                     return VLC_TRUE;
 500                 }
 501                 /* there MUST have been a start tag for that element name */
 502                 if ( !p_handler || !p_handler->name
 503                      || strcmp( p_handler->name, psz_name ))
 504                 {
 505                     msg_Err( p_demux, "there's no open element left for <%s>",
 506                              psz_name );
 507                     FREE_ATT();
 508                     return VLC_FALSE;
 509                 }
 510
 511                 /* special case: location */
 512                 if ( !strcmp( p_handler->name, "location" ) )
 513                 {
 514                     /* there MUST NOT be an item */
 515                     if ( p_new )
 516                     {
 517                         msg_Err( p_demux,
 518                                  "a new item has just been created <%s>",
 519                                  psz_name );
 520                         FREE_ATT();
 521                         return VLC_FALSE;
 522                     }
 523                     /* create it now */
 524                     if ( insert_new_item( p_playlist, p_item,
 525                                           &p_new, psz_value ) )
 526                     {
 527                         FREE_ATT();
 528                         p_handler = NULL;
 529                     }
 530                     else
 531                     {
 532                         FREE_ATT();
 533                         return VLC_FALSE;
 534                     }
 535                 }
 536                 else
 537                 {
 538                     /* there MUST be an item */
 539                     if ( !p_new )
 540                     {
 541                         msg_Err( p_demux,
 542                                  "an item hasn't been created yet <%s>",
 543                                  psz_name );
 544                         FREE_ATT();
 545                         return VLC_FALSE;
 546                     }
 547                     if ( p_handler->pf_handler.smpl )
 548                     {
 549                         p_handler->pf_handler.smpl( p_new, p_handler->name,
 550                                                     psz_value );
 551                         FREE_ATT();
 552                     }
 553                 }
 554                 FREE_ATT();
 555                 p_handler = NULL;
 556                 break;
 557
 558             default:
 559                 /* unknown/unexpected xml node */
 560                 msg_Err( p_demux, "unexpected xml node %i", i_node );
 561                 FREE_ATT();
 562                 return VLC_FALSE;
 563         }
 564         FREE_NAME();
 565     }
 566     msg_Err( p_demux, "unexpected end of xml data" );
 567     FREE_ATT();
 568     return VLC_FALSE;
 569 }
 570
 571 /**
 572  * \brief handles the supported <track> sub-elements
 573  */
 574 static vlc_bool_t set_item_info SIMPLE_INTERFACE
 575 {
 576     /* exit if setting is impossible */
 577     if ( !psz_name || !psz_value || !p_item )
 578         return VLC_FALSE;
 579
 580     /* re-convert xml special characters inside psz_value */
 581     resolve_xml_special_chars ( psz_value );
 582
 583     /* handle each info element in a separate "if" clause */
 584     if ( !strcmp( psz_name, "title" ) )
 585     {
 586         if ( playlist_ItemSetName ( p_item, (char *)psz_value ) == VLC_SUCCESS )
 587             return VLC_TRUE;
 588         return VLC_FALSE;
 589     }
 590     else if ( !strcmp( psz_name, "creator" ) )
 591     {
 592         if ( vlc_input_item_AddInfo( &(p_item->input),
 593                                      _(VLC_META_INFO_CAT), _(VLC_META_ARTIST),
 594                                      "%s", psz_value ) == VLC_SUCCESS )
 595             return VLC_TRUE;
 596         return VLC_FALSE;
 597
 598     }
 599     else if ( !strcmp( psz_name, "album" ) )
 600     {
 601         if ( vlc_input_item_AddInfo( &(p_item->input),
 602                                      _(VLC_META_INFO_CAT),
 603                                      _(VLC_META_COLLECTION),
 604                                      "%s", psz_value ) == VLC_SUCCESS )
 605             return VLC_TRUE;
 606         return VLC_FALSE;
 607
 608     } else if ( !strcmp( psz_name, "trackNum" ) )
 609     {
 610         long i_num = atol( psz_value );
 611         if ( i_num > 0
 612              && vlc_input_item_AddInfo( &(p_item->input),
 613                                          _(VLC_META_INFO_CAT),
 614                                          _(VLC_META_SEQ_NUM),
 615                                          "%s", psz_value ) == VLC_SUCCESS )
 616                 return VLC_TRUE;
 617         return VLC_FALSE;
 618
 619     } else if ( !strcmp( psz_name, "duration" ) )
 620     {
 621         long i_num = atol( psz_value );
 622         if ( i_num > 0
 623              && playlist_ItemSetDuration( p_item, i_num*1000 ) == VLC_SUCCESS )
 624                 return VLC_TRUE;
 625         return VLC_FALSE;
 626
 627     }
 628
 629     return VLC_TRUE;
 630 }
 631
 632 /**
 633  * \brief skips complex element content that we can't manage
 634  */
 635 static vlc_bool_t skip_element COMPLEX_INTERFACE
 636 {
 637     char *psz_endname;
 638
 639     while ( xml_ReaderRead( p_xml_reader ) == 1 )
 640     {
 641         if ( xml_ReaderNodeType( p_xml_reader ) == XML_READER_ENDELEM )
 642         {
 643             psz_endname = xml_ReaderName( p_xml_reader );
 644             if ( !psz_endname )
 645                 return VLC_FALSE;
 646             if ( !strcmp( psz_element, psz_endname ) )
 647             {
 648                 free( psz_endname );
 649                 return VLC_TRUE;
 650             }
 651             else
 652                 free( psz_endname );
 653         }
 654     }
 655     return VLC_FALSE;
 656 }
 657
 658 /**
 659  * \brief creates a new playlist item from the given mrl
 660  */
 661 static vlc_bool_t insert_new_item( playlist_t *p_pl, playlist_item_t *p_cur,
 662                                    playlist_item_t **pp_new, char *psz_location )
 663 {
 664     char *psz_uri=NULL;
 665     psz_uri = unescape_URI_duplicate( psz_location );
 666
 667     if ( psz_uri )
 668     {
 669         *pp_new = playlist_ItemNew( p_pl, psz_uri, NULL );
 670         free( psz_uri );
 671         psz_uri = NULL;
 672     }
 673
 674     if ( !*pp_new )
 675         return VLC_FALSE;
 676
 677     playlist_NodeAddItem( p_pl,  *pp_new,         p_cur->pp_parents[0]->i_view,
 678                           p_cur, PLAYLIST_APPEND, PLAYLIST_END );
 679
 680     playlist_CopyParents( p_cur, *pp_new );
 681
 682     vlc_input_item_CopyOptions( &p_cur->input, &((*pp_new)->input) );
 683
 684     return VLC_TRUE;
 685 }
 686 #endif