modules/demux/playlist/asx.c

   1 /*****************************************************************************
   2  * asx.c : ASX playlist format import
   3  *****************************************************************************
   4  * Copyright (C) 2005-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Derk-Jan Hartman <hartman at videolan dot org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /* See also: http://msdn.microsoft.com/library/en-us/wmplay10/mmp_sdk/windowsmediametafilereference.asp
  25  */
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc_common.h>
  35 #include <vlc_demux.h>
  36
  37 #include <ctype.h>
  38 #include <vlc_charset.h>
  39 #include "playlist.h"
  40 #include <vlc_meta.h>
  41
  42 struct demux_sys_t
  43 {
  44     char    *psz_prefix;
  45     char    *psz_data;
  46     int64_t i_data_len;
  47     bool b_utf8;
  48     bool b_skip_ads;
  49 };
  50
  51 /*****************************************************************************
  52  * Local prototypes
  53  *****************************************************************************/
  54 static int Demux( demux_t *p_demux);
  55 static int Control( demux_t *p_demux, int i_query, va_list args );
  56
  57 static int StoreString( demux_t *p_demux, char **ppsz_string,
  58                         const char *psz_source_start,
  59                         const char *psz_source_end )
  60 {
  61     demux_sys_t *p_sys = p_demux->p_sys;
  62     unsigned len = psz_source_end - psz_source_start;
  63
  64     free( *ppsz_string );
  65
  66     char *buf = *ppsz_string = malloc ((len * (1 + !p_sys->b_utf8)) + 1);
  67     if (buf == NULL)
  68         return VLC_ENOMEM;
  69
  70     if( p_sys->b_utf8 )
  71     {
  72         memcpy (buf, psz_source_start, len);
  73         (*ppsz_string)[len] = '\0';
  74         EnsureUTF8 (*ppsz_string);
  75     }
  76     else
  77     {
  78         /* Latin-1 -> UTF-8 */
  79         for (unsigned i = 0; i < len; i++)
  80         {
  81             unsigned char c = psz_source_start[i];
  82             if (c & 0x80)
  83             {
  84                 *buf++ = 0xc0 | (c >> 6);
  85                 *buf++ = 0x80 | (c & 0x3f);
  86             }
  87             else
  88                 *buf++ = c;
  89         }
  90         *buf++ = '\0';
  91
  92         buf = realloc (*ppsz_string, buf - *ppsz_string);
  93         if( buf )
  94             *ppsz_string = buf;
  95     }
  96     return VLC_SUCCESS;
  97 }
  98
  99 static char *SkipBlanks(char *s, size_t i_strlen )
 100 {
 101     while( i_strlen > 0 ) {
 102         switch( *s )
 103         {
 104             case ' ':
 105             case '\t':
 106             case '\r':
 107             case '\n':
 108                 --i_strlen;
 109                 ++s;
 110                 break;
 111             default:
 112                 i_strlen = 0;
 113         }
 114     }
 115     return s;
 116 }
 117
 118 static int ParseTime(char *s, size_t i_strlen)
 119 {
 120     // need to parse hour:minutes:sec.fraction string
 121     int result = 0;
 122     int val;
 123     const char *end = s + i_strlen;
 124     // skip leading spaces if any
 125     s = SkipBlanks(s, i_strlen);
 126
 127     val = 0;
 128     while( (s < end) && isdigit(*s) )
 129     {
 130         int newval = val*10 + (*s - '0');
 131         if( newval < val )
 132         {
 133             // overflow
 134             val = 0;
 135             break;
 136         }
 137         val = newval;
 138         ++s;
 139     }
 140     result = val;
 141     s = SkipBlanks(s, end-s);
 142     if( *s == ':' )
 143     {
 144         ++s;
 145         s = SkipBlanks(s, end-s);
 146         result = result * 60;
 147         val = 0;
 148         while( (s < end) && isdigit(*s) )
 149         {
 150             int newval = val*10 + (*s - '0');
 151             if( newval < val )
 152             {
 153                 // overflow
 154                 val = 0;
 155                 break;
 156             }
 157             val = newval;
 158             ++s;
 159         }
 160         result += val;
 161         s = SkipBlanks(s, end-s);
 162         if( *s == ':' )
 163         {
 164             ++s;
 165             s = SkipBlanks(s, end-s);
 166             result = result * 60;
 167             val = 0;
 168             while( (s < end) && isdigit(*s) )
 169             {
 170                 int newval = val*10 + (*s - '0');
 171                 if( newval < val )
 172                 {
 173                     // overflow
 174                     val = 0;
 175                     break;
 176                 }
 177                 val = newval;
 178                 ++s;
 179             }
 180             result += val;
 181             // TODO: one day, we may need to parse fraction for sub-second resolution
 182         }
 183     }
 184     return result;
 185 }
 186
 187 /*****************************************************************************
 188  * Import_ASX: main import function
 189  *****************************************************************************/
 190 int Import_ASX( vlc_object_t *p_this )
 191 {
 192     demux_t *p_demux = (demux_t *)p_this;
 193     const uint8_t *p_peek;
 194     CHECK_PEEK( p_peek, 10 );
 195
 196     // skip over possible leading empty lines and empty spaces
 197     p_peek = (uint8_t *)SkipBlanks((char *)p_peek, 6);
 198
 199     if( POKE( p_peek, "<asx", 4 ) || demux_IsPathExtension( p_demux, ".asx" ) ||
 200         demux_IsPathExtension( p_demux, ".wax" ) || demux_IsPathExtension( p_demux, ".wvx" ) ||
 201         demux_IsForced( p_demux, "asx-open" ) )
 202     {
 203         ;
 204     }
 205     else
 206         return VLC_EGENERIC;
 207
 208     STANDARD_DEMUX_INIT_MSG( "found valid ASX playlist" );
 209     p_demux->p_sys->psz_prefix = FindPrefix( p_demux );
 210     p_demux->p_sys->psz_data = NULL;
 211     p_demux->p_sys->i_data_len = -1;
 212     p_demux->p_sys->b_utf8 = false;
 213     p_demux->p_sys->b_skip_ads =
 214         var_InheritInteger( p_demux, "playlist-skip-ads" );
 215
 216     return VLC_SUCCESS;
 217 }
 218
 219 /*****************************************************************************
 220  * Deactivate: frees unused data
 221  *****************************************************************************/
 222 void Close_ASX( vlc_object_t *p_this )
 223 {
 224     demux_t *p_demux = (demux_t *)p_this;
 225     demux_sys_t *p_sys = p_demux->p_sys;
 226
 227     free( p_sys->psz_prefix );
 228     free( p_sys->psz_data );
 229     free( p_sys );
 230 }
 231
 232 static int Demux( demux_t *p_demux )
 233 {
 234     demux_sys_t *p_sys = p_demux->p_sys;
 235     char        *psz_parse = NULL;
 236     char        *psz_backup = NULL;
 237     bool  b_entry = false;
 238     input_item_t *p_current_input = GetCurrentItem(p_demux);
 239
 240     /* init txt */
 241     if( p_sys->i_data_len < 0 )
 242     {
 243         int64_t i_pos = 0;
 244         p_sys->i_data_len = stream_Size( p_demux->s ) + 1; /* This is a cheat to prevent unnecessary realloc */
 245         if( p_sys->i_data_len <= 0 || p_sys->i_data_len > 16384 ) p_sys->i_data_len = 1024;
 246         p_sys->psz_data = xmalloc( p_sys->i_data_len +1);
 247
 248         /* load the complete file */
 249         for( ;; )
 250         {
 251             int i_read = stream_Read( p_demux->s, &p_sys->psz_data[i_pos], p_sys->i_data_len - i_pos );
 252             p_sys->psz_data[i_pos + i_read] = '\0';
 253
 254             if( i_read < p_sys->i_data_len - i_pos ) break; /* Done */
 255
 256             i_pos += i_read;
 257             p_sys->i_data_len <<= 1 ;
 258             p_sys->psz_data = xrealloc( p_sys->psz_data,
 259                                    p_sys->i_data_len * sizeof( char * ) + 1 );
 260         }
 261         if( p_sys->i_data_len <= 0 ) return -1;
 262     }
 263
 264     input_item_node_t *p_subitems = input_item_node_Create( p_current_input );
 265
 266     psz_parse = p_sys->psz_data;
 267     /* Find first element */
 268     if( ( psz_parse = strcasestr( psz_parse, "<ASX" ) ) )
 269     {
 270         /* ASX element */
 271         char *psz_string = NULL;
 272         int i_strlen = 0;
 273
 274         char *psz_base_asx = NULL;
 275         char *psz_title_asx = NULL;
 276         char *psz_artist_asx = NULL;
 277         char *psz_copyright_asx = NULL;
 278         char *psz_moreinfo_asx = NULL;
 279         char *psz_abstract_asx = NULL;
 280
 281         char *psz_base_entry = NULL;
 282         char *psz_title_entry = NULL;
 283         char *psz_artist_entry = NULL;
 284         char *psz_copyright_entry = NULL;
 285         char *psz_moreinfo_entry = NULL;
 286         char *psz_abstract_entry = NULL;
 287         int i_entry_count = 0;
 288         bool b_skip_entry = false;
 289
 290         char *psz_href = NULL;
 291         int i_starttime = 0;
 292         int i_duration = 0;
 293
 294         psz_parse = strcasestr( psz_parse, ">" );
 295
 296         /* counter for single ad item */
 297         input_item_t *uniq_entry_ad_backup = NULL;
 298         int i_inserted_entries = 0;
 299
 300         while( psz_parse && ( psz_parse = strcasestr( psz_parse, "<" ) ) )
 301         {
 302             if( !strncasecmp( psz_parse, "<!--", 4 ) )
 303             {
 304                 /* this is a comment */
 305                 if( ( psz_parse = strcasestr( psz_parse, "-->" ) ) )
 306                     psz_parse+=3;
 307                 else continue;
 308             }
 309             else if( !strncasecmp( psz_parse, "<PARAM ", 7 ) )
 310             {
 311                 bool b_encoding_flag = false;
 312                 psz_parse = SkipBlanks(psz_parse+7, (unsigned)-1);
 313                 if( !strncasecmp( psz_parse, "name", 4 ) )
 314                 {
 315                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 316                     {
 317                         psz_backup = ++psz_parse;
 318                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 319                         {
 320                             i_strlen = psz_parse-psz_backup;
 321                             if( i_strlen < 1 ) continue;
 322                             msg_Dbg( p_demux, "param name strlen: %d", i_strlen);
 323                             psz_string = xmalloc( i_strlen + 1);
 324                             memcpy( psz_string, psz_backup, i_strlen );
 325                             psz_string[i_strlen] = '\0';
 326                             msg_Dbg( p_demux, "param name: %s", psz_string);
 327                             b_encoding_flag = !strcasecmp( psz_string, "encoding" );
 328                             free( psz_string );
 329                         }
 330                         else continue;
 331                     }
 332                     else continue;
 333                 }
 334                 psz_parse++;
 335                 if( !strncasecmp( psz_parse, "value", 5 ) )
 336                 {
 337                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 338                     {
 339                         psz_backup = ++psz_parse;
 340                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 341                         {
 342                             i_strlen = psz_parse-psz_backup;
 343                             if( i_strlen < 1 ) continue;
 344                             msg_Dbg( p_demux, "param value strlen: %d", i_strlen);
 345                             psz_string = xmalloc( i_strlen +1);
 346                             memcpy( psz_string, psz_backup, i_strlen );
 347                             psz_string[i_strlen] = '\0';
 348                             msg_Dbg( p_demux, "param value: %s", psz_string);
 349                             if( b_encoding_flag && !strcasecmp( psz_string, "utf-8" ) ) p_sys->b_utf8 = true;
 350                             free( psz_string );
 351                         }
 352                         else continue;
 353                     }
 354                     else continue;
 355                 }
 356                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 357                     psz_parse += 2;
 358                 else continue;
 359             }
 360             else if( !strncasecmp( psz_parse, "<BANNER", 7 ) )
 361             {
 362                 /* We skip this element */
 363                 if( ( psz_parse = strcasestr( psz_parse, "</BANNER>" ) ) )
 364                     psz_parse += 9;
 365                 else continue;
 366             }
 367             else if( !strncasecmp( psz_parse, "<PREVIEWDURATION", 16 ) ||
 368                      !strncasecmp( psz_parse, "<LOGURL", 7 ) ||
 369                      !strncasecmp( psz_parse, "<Skin", 5 ) )
 370             {
 371                 /* We skip this element */
 372                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 373                     psz_parse += 2;
 374                 else continue;
 375             }
 376             else if( !strncasecmp( psz_parse, "<BASE ", 6 ) )
 377             {
 378                 psz_parse = SkipBlanks(psz_parse+6, (unsigned)-1);
 379                 if( !strncasecmp( psz_parse, "HREF", 4 ) )
 380                 {
 381                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 382                     {
 383                         psz_backup = ++psz_parse;
 384                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 385                         {
 386                             StoreString( p_demux, (b_entry ? &psz_base_entry : &psz_base_asx), psz_backup, psz_parse );
 387                         }
 388                         else continue;
 389                     }
 390                     else continue;
 391                 }
 392                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 393                     psz_parse += 2;
 394                 else continue;
 395             }
 396             else if( !strncasecmp( psz_parse, "<TITLE>", 7 ) )
 397             {
 398                 psz_backup = psz_parse+=7;
 399                 if( ( psz_parse = strcasestr( psz_parse, "</TITLE>" ) ) )
 400                 {
 401                     StoreString( p_demux, (b_entry ? &psz_title_entry : &psz_title_asx), psz_backup, psz_parse );
 402                     psz_parse += 8;
 403                 }
 404                 else continue;
 405             }
 406             else if( !strncasecmp( psz_parse, "<Author>", 8 ) )
 407             {
 408                 psz_backup = psz_parse+=8;
 409                 if( ( psz_parse = strcasestr( psz_parse, "</Author>" ) ) )
 410                 {
 411                     StoreString( p_demux, (b_entry ? &psz_artist_entry : &psz_artist_asx), psz_backup, psz_parse );
 412                     psz_parse += 9;
 413                 }
 414                 else continue;
 415             }
 416             else if( !strncasecmp( psz_parse, "<Copyright", 10 ) )
 417             {
 418                 psz_backup = psz_parse+=11;
 419                 if( ( psz_parse = strcasestr( psz_parse, "</Copyright>" ) ) )
 420                 {
 421                     StoreString( p_demux, (b_entry ? &psz_copyright_entry : &psz_copyright_asx), psz_backup, psz_parse );
 422                     psz_parse += 12;
 423                 }
 424                 else continue;
 425             }
 426             else if( !strncasecmp( psz_parse, "<MoreInfo ", 10 ) )
 427             {
 428                 psz_parse = SkipBlanks(psz_parse+10, (unsigned)-1);
 429                 if( !strncasecmp( psz_parse, "HREF", 4 ) )
 430                 {
 431                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 432                     {
 433                         psz_backup = ++psz_parse;
 434                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 435                         {
 436                             StoreString( p_demux, (b_entry ? &psz_moreinfo_entry : &psz_moreinfo_asx), psz_backup, psz_parse );
 437                         }
 438                         else continue;
 439                     }
 440                     else continue;
 441                 }
 442                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 443                     psz_parse += 2;
 444                 else if( ( psz_parse = strcasestr( psz_parse, "</MoreInfo>") ) )
 445                     psz_parse += 11;
 446                 else continue;
 447             }
 448             else if( !strncasecmp( psz_parse, "<ABSTRACT>", 10 ) )
 449             {
 450                 psz_backup = psz_parse+=10;
 451                 if( ( psz_parse = strcasestr( psz_parse, "</ABSTRACT>" ) ) )
 452                 {
 453                     StoreString( p_demux, (b_entry ? &psz_abstract_entry : &psz_abstract_asx), psz_backup, psz_parse );
 454                     psz_parse += 11;
 455                 }
 456                 else continue;
 457             }
 458             else if( !strncasecmp( psz_parse, "<EntryRef ", 10 ) )
 459             {
 460                 psz_parse = SkipBlanks(psz_parse+10, (unsigned)-1);
 461                 if( !strncasecmp( psz_parse, "HREF", 4 ) )
 462                 {
 463                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 464                     {
 465                         psz_backup = ++psz_parse;
 466                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 467                         {
 468                             i_strlen = psz_parse-psz_backup;
 469                             if( i_strlen < 1 ) continue;
 470                             psz_string = xmalloc( i_strlen +1);
 471                             memcpy( psz_string, psz_backup, i_strlen );
 472                             psz_string[i_strlen] = '\0';
 473                             input_item_t *p_input;
 474                             p_input = input_item_New( p_demux, psz_string, psz_title_asx );
 475                             input_item_CopyOptions( p_current_input, p_input );
 476                             input_item_AddSubItem( p_current_input, p_input );
 477                             input_item_node_AppendItem( p_subitems, p_input );
 478                             vlc_gc_decref( p_input );
 479                             free( psz_string );
 480                         }
 481                         else continue;
 482                     }
 483                     else continue;
 484                 }
 485                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 486                     psz_parse += 2;
 487                 else continue;
 488             }
 489             else if( !strncasecmp( psz_parse, "</Entry>", 8 ) )
 490             {
 491                 input_item_t *p_entry = NULL;
 492                 char *psz_name = NULL;
 493
 494                 char * ppsz_options[2];
 495                 int i_options = 0;
 496
 497                 /* add a new entry */
 498                 psz_parse+=8;
 499                 if( !b_entry )
 500                 {
 501                     msg_Err( p_demux, "end of entry without start?" );
 502                     continue;
 503                 }
 504
 505                 if( !psz_href )
 506                 {
 507                     msg_Err( p_demux, "entry without href?" );
 508                     continue;
 509                 }
 510                 /* An skip entry is an ad only if other entries exist without skip */
 511                 if( p_sys->b_skip_ads && b_skip_entry && i_inserted_entries != 0 )
 512                 {
 513                     char *psz_current_input_name = input_item_GetName( p_current_input );
 514                     msg_Dbg( p_demux, "skipped entry %d %s (%s)",
 515                              i_entry_count,
 516                              ( psz_title_entry ? psz_title_entry : psz_current_input_name ), psz_href );
 517                     free( psz_current_input_name );
 518                 }
 519                 else
 520                 {
 521                     if( i_starttime || i_duration )
 522                     {
 523                         if( i_starttime )
 524                         {
 525                             if( asprintf(ppsz_options+i_options, ":start-time=%d", i_starttime) == -1 )
 526                                 *(ppsz_options+i_options) = NULL;
 527                             else
 528                                 ++i_options;
 529                         }
 530                         if( i_duration )
 531                         {
 532                             if( asprintf(ppsz_options+i_options, ":stop-time=%d", i_starttime + i_duration) == -1 )
 533                                 *(ppsz_options+i_options) = NULL;
 534                             else
 535                                 ++i_options;
 536                         }
 537                     }
 538
 539                     /* create the new entry */
 540                     char *psz_current_input_name = input_item_GetName( p_current_input );
 541                     if( asprintf( &psz_name, "%d %s", i_entry_count, ( psz_title_entry ? psz_title_entry : psz_current_input_name ) ) != -1 )
 542                     {
 543                         char *psz_mrl = ProcessMRL( psz_href, p_demux->p_sys->psz_prefix );
 544                         p_entry = input_item_NewExt( p_demux, psz_mrl, psz_name,
 545                                                      i_options, (const char * const *)ppsz_options, VLC_INPUT_OPTION_TRUSTED, -1 );
 546                         free( psz_name );
 547                         free( psz_mrl );
 548                         input_item_CopyOptions( p_current_input, p_entry );
 549                         while( i_options )
 550                         {
 551                             psz_name = ppsz_options[--i_options];
 552                             free( psz_name );
 553                         }
 554                         psz_name = NULL;
 555
 556                         if( psz_title_entry ) input_item_SetTitle( p_entry, psz_title_entry );
 557                         if( psz_artist_entry ) input_item_SetArtist( p_entry, psz_artist_entry );
 558                         if( psz_copyright_entry ) input_item_SetCopyright( p_entry, psz_copyright_entry );
 559                         if( psz_moreinfo_entry ) input_item_SetURL( p_entry, psz_moreinfo_entry );
 560                         if( psz_abstract_entry ) input_item_SetDescription( p_entry, psz_abstract_entry );
 561
 562                         i_inserted_entries++;
 563                         if( p_sys->b_skip_ads && b_skip_entry )
 564                         {
 565                             // We put the entry as a backup for unique ad case
 566                             uniq_entry_ad_backup = p_entry;
 567                         }
 568                         else
 569                         {
 570                             if( uniq_entry_ad_backup != NULL )
 571                             {
 572                                 uniq_entry_ad_backup = NULL;
 573                                 vlc_gc_decref( uniq_entry_ad_backup );
 574                             }
 575                             input_item_AddSubItem( p_current_input, p_entry );
 576                             input_item_node_AppendItem( p_subitems, p_entry );
 577                             vlc_gc_decref( p_entry );
 578                         }
 579                     }
 580                     free( psz_current_input_name );
 581                 }
 582
 583                 /* cleanup entry */;
 584                 FREENULL( psz_href );
 585                 FREENULL( psz_title_entry );
 586                 FREENULL( psz_base_entry );
 587                 FREENULL( psz_artist_entry );
 588                 FREENULL( psz_copyright_entry );
 589                 FREENULL( psz_moreinfo_entry );
 590                 FREENULL( psz_abstract_entry );
 591                 b_entry = false;
 592             }
 593             else if( !strncasecmp( psz_parse, "<Entry", 6 ) )
 594             {
 595                 char *psz_clientskip;
 596                 psz_parse+=6;
 597                 if( b_entry )
 598                 {
 599                     msg_Err( p_demux, "We already are in an entry section" );
 600                     continue;
 601                 }
 602                 i_entry_count += 1;
 603                 b_entry = true;
 604                 psz_clientskip = strcasestr( psz_parse, "clientskip=\"no\"" );
 605                 psz_parse = strcasestr( psz_parse, ">" );
 606
 607                 /* If clientskip was enabled ... this is an ad */
 608                 b_skip_entry = (NULL != psz_clientskip) && (psz_clientskip < psz_parse);
 609
 610                 // init entry details
 611                 FREENULL(psz_href);
 612                 i_starttime = 0;
 613                 i_duration = 0;
 614             }
 615             else if( !strncasecmp( psz_parse, "<Ref ", 5 ) )
 616             {
 617                 psz_parse = SkipBlanks(psz_parse+5, (unsigned)-1);
 618                 if( !b_entry )
 619                 {
 620                     msg_Err( p_demux, "A ref outside an entry section" );
 621                     continue;
 622                 }
 623
 624                 if( !strncasecmp( psz_parse, "HREF", 4 ) )
 625                 {
 626                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 627                     {
 628                         psz_backup = ++psz_parse;
 629                         psz_backup = SkipBlanks(psz_backup, (unsigned)-1);
 630                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 631                         {
 632                             char *psz_tmp;
 633                             i_strlen = psz_parse-psz_backup;
 634                             if( i_strlen < 1 ) continue;
 635
 636                             if( psz_href )
 637                             {
 638                                 /* we have allready one href in this entry, lets make new input from it and
 639                                 continue with new href, don't free meta/options*/
 640                                 input_item_t *p_entry = NULL;
 641                                 char *psz_name = input_item_GetName( p_current_input );
 642
 643                                 char *psz_mrl = ProcessMRL( psz_href, p_demux->p_sys->psz_prefix );
 644                                 p_entry = input_item_NewExt( p_demux, psz_mrl, psz_name,
 645                                                      0, NULL, VLC_INPUT_OPTION_TRUSTED, -1 );
 646                                 free( psz_mrl );
 647                                 input_item_CopyOptions( p_current_input, p_entry );
 648                                 if( psz_title_entry ) input_item_SetTitle( p_entry, psz_title_entry );
 649                                 if( psz_artist_entry ) input_item_SetArtist( p_entry, psz_artist_entry );
 650                                 if( psz_copyright_entry ) input_item_SetCopyright( p_entry, psz_copyright_entry );
 651                                 if( psz_moreinfo_entry ) input_item_SetURL( p_entry, psz_moreinfo_entry );
 652                                 if( psz_abstract_entry ) input_item_SetDescription( p_entry, psz_abstract_entry );
 653                                 input_item_AddSubItem( p_current_input, p_entry );
 654                                 input_item_node_AppendItem( p_subitems, p_entry );
 655                                 vlc_gc_decref( p_entry );
 656                             }
 657
 658                             free( psz_href );
 659                             psz_href = xmalloc( i_strlen +1);
 660                             memcpy( psz_href, psz_backup, i_strlen );
 661                             psz_href[i_strlen] = '\0';
 662                             psz_tmp = psz_href + (i_strlen-1);
 663                             while( psz_tmp >= psz_href &&
 664                                  ( *psz_tmp == '\r' || *psz_tmp == '\n' ) )
 665                             {
 666                                 *psz_tmp = '\0';
 667                                 psz_tmp++;
 668                             }
 669                         }
 670                         else continue;
 671                     }
 672                     else continue;
 673                 }
 674                 if( ( psz_parse = strcasestr( psz_parse, ">" ) ) )
 675                     psz_parse++;
 676                 else continue;
 677             }
 678             else if( !strncasecmp( psz_parse, "<starttime ", 11 ) )
 679             {
 680                 psz_parse = SkipBlanks(psz_parse+11, (unsigned)-1);
 681                 if( !b_entry )
 682                 {
 683                     msg_Err( p_demux, "starttime outside an entry section" );
 684                     continue;
 685                 }
 686
 687                 if( !strncasecmp( psz_parse, "value", 5 ) )
 688                 {
 689                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 690                     {
 691                         psz_backup = ++psz_parse;
 692                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 693                         {
 694                             i_strlen = psz_parse-psz_backup;
 695                             if( i_strlen < 1 ) continue;
 696
 697                             i_starttime = ParseTime(psz_backup, i_strlen);
 698                         }
 699                         else continue;
 700                     }
 701                     else continue;
 702                 }
 703                 if( ( psz_parse = strcasestr( psz_parse, ">" ) ) )
 704                     psz_parse++;
 705                 else continue;
 706             }
 707             else if( !strncasecmp( psz_parse, "<duration ", 11 ) )
 708             {
 709                 psz_parse = SkipBlanks(psz_parse+5, (unsigned)-1);
 710                 if( !b_entry )
 711                 {
 712                     msg_Err( p_demux, "duration outside an entry section" );
 713                     continue;
 714                 }
 715
 716                 if( !strncasecmp( psz_parse, "value", 5 ) )
 717                 {
 718                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 719                     {
 720                         psz_backup = ++psz_parse;
 721                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 722                         {
 723                             i_strlen = psz_parse-psz_backup;
 724                             if( i_strlen < 1 ) continue;
 725
 726                             i_duration = ParseTime(psz_backup, i_strlen);
 727                         }
 728                         else continue;
 729                     }
 730                     else continue;
 731                 }
 732                 if( ( psz_parse = strcasestr( psz_parse, ">" ) ) )
 733                     psz_parse++;
 734                 else continue;
 735             }
 736             else if( !strncasecmp( psz_parse, "</ASX", 5 ) )
 737             {
 738                 if( psz_title_asx ) input_item_SetTitle( p_current_input, psz_title_asx );
 739                 if( psz_artist_asx ) input_item_SetArtist( p_current_input, psz_artist_asx );
 740                 if( psz_copyright_asx ) input_item_SetCopyright( p_current_input, psz_copyright_asx );
 741                 if( psz_moreinfo_asx ) input_item_SetURL( p_current_input, psz_moreinfo_asx );
 742                 if( psz_abstract_asx ) input_item_SetDescription( p_current_input, psz_abstract_asx );
 743                 FREENULL( psz_base_asx );
 744                 FREENULL( psz_title_asx );
 745                 FREENULL( psz_artist_asx );
 746                 FREENULL( psz_copyright_asx );
 747                 FREENULL( psz_moreinfo_asx );
 748                 FREENULL( psz_abstract_asx );
 749                 psz_parse++;
 750             }
 751             else psz_parse++;
 752         }
 753         if ( uniq_entry_ad_backup != NULL )
 754         {
 755             msg_Dbg( p_demux, "added unique entry even if ad");
 756             /* If ASX contains a unique entry, we add it, it is probably not an ad */
 757             input_item_AddSubItem( p_current_input, uniq_entry_ad_backup );
 758             input_item_node_AppendItem( p_subitems, uniq_entry_ad_backup );
 759             vlc_gc_decref( uniq_entry_ad_backup);
 760         }
 761 #if 0
 762 /* FIXME Unsupported elements */
 763             PARAM
 764             EVENT
 765             REPEAT
 766             ENDMARK
 767             STARTMARK
 768 #endif
 769     }
 770
 771     input_item_AddSubItemTree( p_subitems );
 772     input_item_node_Delete( p_subitems );
 773
 774     vlc_gc_decref(p_current_input);
 775     return 0; /* Needed for correct operation of go back */
 776 }
 777
 778 static int Control( demux_t *p_demux, int i_query, va_list args )
 779 {
 780     VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);
 781     return VLC_EGENERIC;
 782 }