git.sesse.net Git - vlc/blob - 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     psz_parse = p_sys->psz_data;
 265     /* Find first element */
 266     if( ( psz_parse = strcasestr( psz_parse, "<ASX" ) ) )
 267     {
 268         /* ASX element */
 269         char *psz_string = NULL;
 270         int i_strlen = 0;
 271
 272         char *psz_base_asx = NULL;
 273         char *psz_title_asx = NULL;
 274         char *psz_artist_asx = NULL;
 275         char *psz_copyright_asx = NULL;
 276         char *psz_moreinfo_asx = NULL;
 277         char *psz_abstract_asx = NULL;
 278
 279         char *psz_base_entry = NULL;
 280         char *psz_title_entry = NULL;
 281         char *psz_artist_entry = NULL;
 282         char *psz_copyright_entry = NULL;
 283         char *psz_moreinfo_entry = NULL;
 284         char *psz_abstract_entry = NULL;
 285         int i_entry_count = 0;
 286         bool b_skip_entry = false;
 287
 288         char *psz_href = NULL;
 289         int i_starttime = 0;
 290         int i_duration = 0;
 291
 292         psz_parse = strcasestr( psz_parse, ">" );
 293
 294         /* counter for single ad item */
 295         input_item_t *uniq_entry_ad_backup = NULL;
 296         int i_inserted_entries = 0;
 297
 298         while( psz_parse && ( psz_parse = strcasestr( psz_parse, "<" ) ) )
 299         {
 300             if( !strncasecmp( psz_parse, "<!--", 4 ) )
 301             {
 302                 /* this is a comment */
 303                 if( ( psz_parse = strcasestr( psz_parse, "-->" ) ) )
 304                     psz_parse+=3;
 305                 else continue;
 306             }
 307             else if( !strncasecmp( psz_parse, "<PARAM ", 7 ) )
 308             {
 309                 bool b_encoding_flag = false;
 310                 psz_parse = SkipBlanks(psz_parse+7, (unsigned)-1);
 311                 if( !strncasecmp( psz_parse, "name", 4 ) )
 312                 {
 313                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 314                     {
 315                         psz_backup = ++psz_parse;
 316                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 317                         {
 318                             i_strlen = psz_parse-psz_backup;
 319                             if( i_strlen < 1 ) continue;
 320                             msg_Dbg( p_demux, "param name strlen: %d", i_strlen);
 321                             psz_string = xmalloc( i_strlen + 1);
 322                             memcpy( psz_string, psz_backup, i_strlen );
 323                             psz_string[i_strlen] = '\0';
 324                             msg_Dbg( p_demux, "param name: %s", psz_string);
 325                             b_encoding_flag = !strcasecmp( psz_string, "encoding" );
 326                             free( psz_string );
 327                         }
 328                         else continue;
 329                     }
 330                     else continue;
 331                 }
 332                 psz_parse++;
 333                 if( !strncasecmp( psz_parse, "value", 5 ) )
 334                 {
 335                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 336                     {
 337                         psz_backup = ++psz_parse;
 338                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 339                         {
 340                             i_strlen = psz_parse-psz_backup;
 341                             if( i_strlen < 1 ) continue;
 342                             msg_Dbg( p_demux, "param value strlen: %d", i_strlen);
 343                             psz_string = xmalloc( i_strlen +1);
 344                             memcpy( psz_string, psz_backup, i_strlen );
 345                             psz_string[i_strlen] = '\0';
 346                             msg_Dbg( p_demux, "param value: %s", psz_string);
 347                             if( b_encoding_flag && !strcasecmp( psz_string, "utf-8" ) ) p_sys->b_utf8 = true;
 348                             free( psz_string );
 349                         }
 350                         else continue;
 351                     }
 352                     else continue;
 353                 }
 354                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 355                     psz_parse += 2;
 356                 else continue;
 357             }
 358             else if( !strncasecmp( psz_parse, "<BANNER", 7 ) )
 359             {
 360                 /* We skip this element */
 361                 if( ( psz_parse = strcasestr( psz_parse, "</BANNER>" ) ) )
 362                     psz_parse += 9;
 363                 else continue;
 364             }
 365             else if( !strncasecmp( psz_parse, "<PREVIEWDURATION", 16 ) ||
 366                      !strncasecmp( psz_parse, "<LOGURL", 7 ) ||
 367                      !strncasecmp( psz_parse, "<Skin", 5 ) )
 368             {
 369                 /* We skip this element */
 370                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 371                     psz_parse += 2;
 372                 else continue;
 373             }
 374             else if( !strncasecmp( psz_parse, "<BASE ", 6 ) )
 375             {
 376                 psz_parse = SkipBlanks(psz_parse+6, (unsigned)-1);
 377                 if( !strncasecmp( psz_parse, "HREF", 4 ) )
 378                 {
 379                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 380                     {
 381                         psz_backup = ++psz_parse;
 382                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 383                         {
 384                             StoreString( p_demux, (b_entry ? &psz_base_entry : &psz_base_asx), psz_backup, psz_parse );
 385                         }
 386                         else continue;
 387                     }
 388                     else continue;
 389                 }
 390                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 391                     psz_parse += 2;
 392                 else continue;
 393             }
 394             else if( !strncasecmp( psz_parse, "<TITLE>", 7 ) )
 395             {
 396                 psz_backup = psz_parse+=7;
 397                 if( ( psz_parse = strcasestr( psz_parse, "</TITLE>" ) ) )
 398                 {
 399                     StoreString( p_demux, (b_entry ? &psz_title_entry : &psz_title_asx), psz_backup, psz_parse );
 400                     psz_parse += 8;
 401                 }
 402                 else continue;
 403             }
 404             else if( !strncasecmp( psz_parse, "<Author>", 8 ) )
 405             {
 406                 psz_backup = psz_parse+=8;
 407                 if( ( psz_parse = strcasestr( psz_parse, "</Author>" ) ) )
 408                 {
 409                     StoreString( p_demux, (b_entry ? &psz_artist_entry : &psz_artist_asx), psz_backup, psz_parse );
 410                     psz_parse += 9;
 411                 }
 412                 else continue;
 413             }
 414             else if( !strncasecmp( psz_parse, "<Copyright", 10 ) )
 415             {
 416                 psz_backup = psz_parse+=11;
 417                 if( ( psz_parse = strcasestr( psz_parse, "</Copyright>" ) ) )
 418                 {
 419                     StoreString( p_demux, (b_entry ? &psz_copyright_entry : &psz_copyright_asx), psz_backup, psz_parse );
 420                     psz_parse += 12;
 421                 }
 422                 else continue;
 423             }
 424             else if( !strncasecmp( psz_parse, "<MoreInfo ", 10 ) )
 425             {
 426                 psz_parse = SkipBlanks(psz_parse+10, (unsigned)-1);
 427                 if( !strncasecmp( psz_parse, "HREF", 4 ) )
 428                 {
 429                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 430                     {
 431                         psz_backup = ++psz_parse;
 432                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 433                         {
 434                             StoreString( p_demux, (b_entry ? &psz_moreinfo_entry : &psz_moreinfo_asx), psz_backup, psz_parse );
 435                         }
 436                         else continue;
 437                     }
 438                     else continue;
 439                 }
 440                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 441                     psz_parse += 2;
 442                 else if( ( psz_parse = strcasestr( psz_parse, "</MoreInfo>") ) )
 443                     psz_parse += 11;
 444                 else continue;
 445             }
 446             else if( !strncasecmp( psz_parse, "<ABSTRACT>", 10 ) )
 447             {
 448                 psz_backup = psz_parse+=10;
 449                 if( ( psz_parse = strcasestr( psz_parse, "</ABSTRACT>" ) ) )
 450                 {
 451                     StoreString( p_demux, (b_entry ? &psz_abstract_entry : &psz_abstract_asx), psz_backup, psz_parse );
 452                     psz_parse += 11;
 453                 }
 454                 else continue;
 455             }
 456             else if( !strncasecmp( psz_parse, "<EntryRef ", 10 ) )
 457             {
 458                 psz_parse = SkipBlanks(psz_parse+10, (unsigned)-1);
 459                 if( !strncasecmp( psz_parse, "HREF", 4 ) )
 460                 {
 461                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 462                     {
 463                         psz_backup = ++psz_parse;
 464                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 465                         {
 466                             i_strlen = psz_parse-psz_backup;
 467                             if( i_strlen < 1 ) continue;
 468                             psz_string = xmalloc( i_strlen +1);
 469                             memcpy( psz_string, psz_backup, i_strlen );
 470                             psz_string[i_strlen] = '\0';
 471                             input_item_t *p_input;
 472                             p_input = input_item_New( p_demux, psz_string, psz_title_asx );
 473                             input_item_CopyOptions( p_current_input, p_input );
 474                             input_item_AddSubItem( p_current_input, p_input );
 475                             vlc_gc_decref( p_input );
 476                             free( psz_string );
 477                         }
 478                         else continue;
 479                     }
 480                     else continue;
 481                 }
 482                 if( ( psz_parse = strcasestr( psz_parse, "/>" ) ) )
 483                     psz_parse += 2;
 484                 else continue;
 485             }
 486             else if( !strncasecmp( psz_parse, "</Entry>", 8 ) )
 487             {
 488                 input_item_t *p_entry = NULL;
 489                 char *psz_name = NULL;
 490
 491                 char * ppsz_options[2];
 492                 int i_options = 0;
 493
 494                 /* add a new entry */
 495                 psz_parse+=8;
 496                 if( !b_entry )
 497                 {
 498                     msg_Err( p_demux, "end of entry without start?" );
 499                     continue;
 500                 }
 501
 502                 if( !psz_href )
 503                 {
 504                     msg_Err( p_demux, "entry without href?" );
 505                     continue;
 506                 }
 507                 /* An skip entry is an ad only if other entries exist without skip */
 508                 if( p_sys->b_skip_ads && b_skip_entry && i_inserted_entries != 0 )
 509                 {
 510                     char *psz_current_input_name = input_item_GetName( p_current_input );
 511                     msg_Dbg( p_demux, "skipped entry %d %s (%s)",
 512                              i_entry_count,
 513                              ( psz_title_entry ? psz_title_entry : psz_current_input_name ), psz_href );
 514                     free( psz_current_input_name );
 515                 }
 516                 else
 517                 {
 518                     if( i_starttime || i_duration )
 519                     {
 520                         if( i_starttime )
 521                         {
 522                             if( asprintf(ppsz_options+i_options, ":start-time=%d", i_starttime) == -1 )
 523                                 *(ppsz_options+i_options) = NULL;
 524                             else
 525                                 ++i_options;
 526                         }
 527                         if( i_duration )
 528                         {
 529                             if( asprintf(ppsz_options+i_options, ":stop-time=%d", i_starttime + i_duration) == -1 )
 530                                 *(ppsz_options+i_options) = NULL;
 531                             else
 532                                 ++i_options;
 533                         }
 534                     }
 535
 536                     /* create the new entry */
 537                     char *psz_current_input_name = input_item_GetName( p_current_input );
 538                     if( asprintf( &psz_name, "%d %s", i_entry_count, ( psz_title_entry ? psz_title_entry : psz_current_input_name ) ) != -1 )
 539                     {
 540                         char *psz_mrl = ProcessMRL( psz_href, p_demux->p_sys->psz_prefix );
 541                         p_entry = input_item_NewExt( p_demux, psz_mrl, psz_name,
 542                                                      i_options, (const char * const *)ppsz_options, VLC_INPUT_OPTION_TRUSTED, -1 );
 543                         free( psz_name );
 544                         free( psz_mrl );
 545                         input_item_CopyOptions( p_current_input, p_entry );
 546                         while( i_options )
 547                         {
 548                             psz_name = ppsz_options[--i_options];
 549                             free( psz_name );
 550                         }
 551                         psz_name = NULL;
 552
 553                         if( psz_title_entry ) input_item_SetTitle( p_entry, psz_title_entry );
 554                         if( psz_artist_entry ) input_item_SetArtist( p_entry, psz_artist_entry );
 555                         if( psz_copyright_entry ) input_item_SetCopyright( p_entry, psz_copyright_entry );
 556                         if( psz_moreinfo_entry ) input_item_SetURL( p_entry, psz_moreinfo_entry );
 557                         if( psz_abstract_entry ) input_item_SetDescription( p_entry, psz_abstract_entry );
 558
 559                         i_inserted_entries++;
 560                         if( p_sys->b_skip_ads && b_skip_entry )
 561                         {
 562                             // We put the entry as a backup for unique ad case
 563                             uniq_entry_ad_backup = p_entry;
 564                         }
 565                         else
 566                         {
 567                             if( uniq_entry_ad_backup != NULL )
 568                             {
 569                                 uniq_entry_ad_backup = NULL;
 570                                 vlc_gc_decref( uniq_entry_ad_backup );
 571                             }
 572                             input_item_AddSubItem( p_current_input, p_entry );
 573                             vlc_gc_decref( p_entry );
 574                         }
 575                     }
 576                     free( psz_current_input_name );
 577                 }
 578
 579                 /* cleanup entry */;
 580                 FREENULL( psz_href );
 581                 FREENULL( psz_title_entry );
 582                 FREENULL( psz_base_entry );
 583                 FREENULL( psz_artist_entry );
 584                 FREENULL( psz_copyright_entry );
 585                 FREENULL( psz_moreinfo_entry );
 586                 FREENULL( psz_abstract_entry );
 587                 b_entry = false;
 588             }
 589             else if( !strncasecmp( psz_parse, "<Entry", 6 ) )
 590             {
 591                 char *psz_clientskip;
 592                 psz_parse+=6;
 593                 if( b_entry )
 594                 {
 595                     msg_Err( p_demux, "We already are in an entry section" );
 596                     continue;
 597                 }
 598                 i_entry_count += 1;
 599                 b_entry = true;
 600                 psz_clientskip = strcasestr( psz_parse, "clientskip=\"no\"" );
 601                 psz_parse = strcasestr( psz_parse, ">" );
 602
 603                 /* If clientskip was enabled ... this is an ad */
 604                 b_skip_entry = (NULL != psz_clientskip) && (psz_clientskip < psz_parse);
 605
 606                 // init entry details
 607                 FREENULL(psz_href);
 608                 i_starttime = 0;
 609                 i_duration = 0;
 610             }
 611             else if( !strncasecmp( psz_parse, "<Ref ", 5 ) )
 612             {
 613                 psz_parse = SkipBlanks(psz_parse+5, (unsigned)-1);
 614                 if( !b_entry )
 615                 {
 616                     msg_Err( p_demux, "A ref outside an entry section" );
 617                     continue;
 618                 }
 619
 620                 if( !strncasecmp( psz_parse, "HREF", 4 ) )
 621                 {
 622                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 623                     {
 624                         psz_backup = ++psz_parse;
 625                         psz_backup = SkipBlanks(psz_backup, (unsigned)-1);
 626                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 627                         {
 628                             char *psz_tmp;
 629                             i_strlen = psz_parse-psz_backup;
 630                             if( i_strlen < 1 ) continue;
 631
 632                             if( psz_href )
 633                             {
 634                                 /* we have allready one href in this entry, lets make new input from it and
 635                                 continue with new href, don't free meta/options*/
 636                                 input_item_t *p_entry = NULL;
 637                                 char *psz_name = input_item_GetName( p_current_input );
 638
 639                                 char *psz_mrl = ProcessMRL( psz_href, p_demux->p_sys->psz_prefix );
 640                                 p_entry = input_item_NewExt( p_demux, psz_mrl, psz_name,
 641                                                      0, NULL, VLC_INPUT_OPTION_TRUSTED, -1 );
 642                                 free( psz_mrl );
 643                                 input_item_CopyOptions( p_current_input, p_entry );
 644                                 if( psz_title_entry ) input_item_SetTitle( p_entry, psz_title_entry );
 645                                 if( psz_artist_entry ) input_item_SetArtist( p_entry, psz_artist_entry );
 646                                 if( psz_copyright_entry ) input_item_SetCopyright( p_entry, psz_copyright_entry );
 647                                 if( psz_moreinfo_entry ) input_item_SetURL( p_entry, psz_moreinfo_entry );
 648                                 if( psz_abstract_entry ) input_item_SetDescription( p_entry, psz_abstract_entry );
 649                                 input_item_AddSubItem( p_current_input, p_entry );
 650                                 vlc_gc_decref( p_entry );
 651                             }
 652
 653                             free( psz_href );
 654                             psz_href = xmalloc( i_strlen +1);
 655                             memcpy( psz_href, psz_backup, i_strlen );
 656                             psz_href[i_strlen] = '\0';
 657                             psz_tmp = psz_href + (i_strlen-1);
 658                             while( psz_tmp >= psz_href &&
 659                                  ( *psz_tmp == '\r' || *psz_tmp == '\n' ) )
 660                             {
 661                                 *psz_tmp = '\0';
 662                                 psz_tmp++;
 663                             }
 664                         }
 665                         else continue;
 666                     }
 667                     else continue;
 668                 }
 669                 if( ( psz_parse = strcasestr( psz_parse, ">" ) ) )
 670                     psz_parse++;
 671                 else continue;
 672             }
 673             else if( !strncasecmp( psz_parse, "<starttime ", 11 ) )
 674             {
 675                 psz_parse = SkipBlanks(psz_parse+11, (unsigned)-1);
 676                 if( !b_entry )
 677                 {
 678                     msg_Err( p_demux, "starttime outside an entry section" );
 679                     continue;
 680                 }
 681
 682                 if( !strncasecmp( psz_parse, "value", 5 ) )
 683                 {
 684                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 685                     {
 686                         psz_backup = ++psz_parse;
 687                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 688                         {
 689                             i_strlen = psz_parse-psz_backup;
 690                             if( i_strlen < 1 ) continue;
 691
 692                             i_starttime = ParseTime(psz_backup, i_strlen);
 693                         }
 694                         else continue;
 695                     }
 696                     else continue;
 697                 }
 698                 if( ( psz_parse = strcasestr( psz_parse, ">" ) ) )
 699                     psz_parse++;
 700                 else continue;
 701             }
 702             else if( !strncasecmp( psz_parse, "<duration ", 11 ) )
 703             {
 704                 psz_parse = SkipBlanks(psz_parse+5, (unsigned)-1);
 705                 if( !b_entry )
 706                 {
 707                     msg_Err( p_demux, "duration outside an entry section" );
 708                     continue;
 709                 }
 710
 711                 if( !strncasecmp( psz_parse, "value", 5 ) )
 712                 {
 713                     if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 714                     {
 715                         psz_backup = ++psz_parse;
 716                         if( ( psz_parse = strcasestr( psz_parse, "\"" ) ) )
 717                         {
 718                             i_strlen = psz_parse-psz_backup;
 719                             if( i_strlen < 1 ) continue;
 720
 721                             i_duration = ParseTime(psz_backup, i_strlen);
 722                         }
 723                         else continue;
 724                     }
 725                     else continue;
 726                 }
 727                 if( ( psz_parse = strcasestr( psz_parse, ">" ) ) )
 728                     psz_parse++;
 729                 else continue;
 730             }
 731             else if( !strncasecmp( psz_parse, "</ASX", 5 ) )
 732             {
 733                 if( psz_title_asx ) input_item_SetTitle( p_current_input, psz_title_asx );
 734                 if( psz_artist_asx ) input_item_SetArtist( p_current_input, psz_artist_asx );
 735                 if( psz_copyright_asx ) input_item_SetCopyright( p_current_input, psz_copyright_asx );
 736                 if( psz_moreinfo_asx ) input_item_SetURL( p_current_input, psz_moreinfo_asx );
 737                 if( psz_abstract_asx ) input_item_SetDescription( p_current_input, psz_abstract_asx );
 738                 FREENULL( psz_base_asx );
 739                 FREENULL( psz_title_asx );
 740                 FREENULL( psz_artist_asx );
 741                 FREENULL( psz_copyright_asx );
 742                 FREENULL( psz_moreinfo_asx );
 743                 FREENULL( psz_abstract_asx );
 744                 psz_parse++;
 745             }
 746             else psz_parse++;
 747         }
 748         if ( uniq_entry_ad_backup != NULL )
 749         {
 750             msg_Dbg( p_demux, "added unique entry even if ad");
 751             /* If ASX contains a unique entry, we add it, it is probably not an ad */
 752             input_item_AddSubItem( p_current_input, uniq_entry_ad_backup );
 753             vlc_gc_decref( uniq_entry_ad_backup);
 754         }
 755 #if 0
 756 /* FIXME Unsupported elements */
 757             PARAM
 758             EVENT
 759             REPEAT
 760             ENDMARK
 761             STARTMARK
 762 #endif
 763     }
 764     vlc_gc_decref(p_current_input);
 765     return 0; /* Needed for correct operation of go back */
 766 }
 767
 768 static int Control( demux_t *p_demux, int i_query, va_list args )
 769 {
 770     VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);
 771     return VLC_EGENERIC;
 772 }