git.sesse.net Git - vlc/blob - modules/video_filter/rss.c

   1 /*****************************************************************************
   2  * rss.c : rss feed display video plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2003-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Antoine Cellerier <dionoea -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 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28 #include <string.h>
  29
  30 #include <vlc/vlc.h>
  31 #include <vlc/vout.h>
  32
  33 #include "vlc_filter.h"
  34 #include "vlc_block.h"
  35 #include "vlc_osd.h"
  36
  37 #include "vlc_block.h"
  38 #include "vlc_stream.h"
  39 #include "vlc_xml.h"
  40
  41 /*****************************************************************************
  42  * Local prototypes
  43  *****************************************************************************/
  44 static int  CreateFilter ( vlc_object_t * );
  45 static void DestroyFilter( vlc_object_t * );
  46 static subpicture_t *Filter( filter_t *, mtime_t );
  47
  48 static int FetchRSS( filter_t * );
  49 static void FreeRSS( filter_t * );
  50
  51 static int pi_color_values[] = { 0xf0000000, 0x00000000, 0x00808080, 0x00C0C0C0,
  52                0x00FFFFFF, 0x00800000, 0x00FF0000, 0x00FF00FF, 0x00FFFF00,
  53                0x00808000, 0x00008000, 0x00008080, 0x0000FF00, 0x00800080,
  54                0x00000080, 0x000000FF, 0x0000FFFF};
  55 static char *ppsz_color_descriptions[] = { N_("Default"), N_("Black"),
  56                N_("Gray"), N_("Silver"), N_("White"), N_("Maroon"), N_("Red"),
  57                N_("Fuchsia"), N_("Yellow"), N_("Olive"), N_("Green"),
  58                N_("Teal"), N_("Lime"), N_("Purple"), N_("Navy"), N_("Blue"),
  59                N_("Aqua") };
  60
  61 /*****************************************************************************
  62  * filter_sys_t: rss filter descriptor
  63  *****************************************************************************/
  64
  65 struct rss_item_t
  66 {
  67     char *psz_title;
  68     char *psz_description;
  69     char *psz_link;
  70 };
  71
  72 struct rss_feed_t
  73 {
  74     char *psz_title;
  75     char *psz_description;
  76     char *psz_link;
  77
  78     int i_items;
  79     struct rss_item_t *p_items;
  80 };
  81
  82 struct filter_sys_t
  83 {
  84     vlc_mutex_t lock;
  85     vlc_mutex_t *p_lock;
  86
  87     int i_xoff, i_yoff;  /* offsets for the display string in the video window */
  88     int i_pos; /* permit relative positioning (top, bottom, left, right, center) */
  89     int i_speed;
  90     int i_length;
  91
  92     char *psz_marquee;    /* marquee string */
  93
  94     text_style_t *p_style; /* font control */
  95
  96     mtime_t last_date;
  97
  98     char *psz_urls;
  99     int i_feeds;
 100     struct rss_feed_t *p_feeds;
 101
 102     int i_ttl;
 103     time_t t_last_update;
 104
 105     int i_cur_feed;
 106     int i_cur_item;
 107     int i_cur_char;
 108 };
 109
 110 #define MSG_TEXT N_("RSS feed URLs")
 111 #define MSG_LONGTEXT N_("RSS feed '|' (pipe) seperated URLs")
 112 #define SPEED_TEXT N_("RSS feed speed")
 113 #define SPEED_LONGTEXT N_("RSS feed speed (bigger is slower)")
 114 #define LENGTH_TEXT N_("RSS feed max number of chars displayed")
 115 #define LENGTH_LONGTEXT N_("RSS feed max number of chars displayed")
 116 #define TTL_TEXT N_("Number of seconds between each forced refresh of the feeds")
 117 #define TTL_LONGTEXT N_("Number of seconds between each forced refresh of the feeds. If 0, the feeds will never be updated.")
 118
 119
 120 #define POSX_TEXT N_("X offset, from left")
 121 #define POSX_LONGTEXT N_("X offset, from the left screen edge" )
 122 #define POSY_TEXT N_("Y offset, from the top")
 123 #define POSY_LONGTEXT N_("Y offset, down from the top" )
 124 #define OPACITY_TEXT N_("Opacity")
 125 #define OPACITY_LONGTEXT N_("The opacity (inverse of transparency) of " \
 126     "overlay text. 0 = transparent, 255 = totally opaque. " )
 127 #define SIZE_TEXT N_("Font size, pixels")
 128 #define SIZE_LONGTEXT N_("Specify the font size, in pixels, " \
 129     "with -1 = use freetype-fontsize" )
 130
 131 #define COLOR_TEXT N_("Text Default Color")
 132 #define COLOR_LONGTEXT N_("The color of overlay text. 1 byte for each color, hexadecimal. " \
 133     "#000000 = all colors off, " \
 134     "0xFF0000 = just Red, 0xFFFFFF = all color on [White]" )
 135
 136 #define POS_TEXT N_("Marquee position")
 137 #define POS_LONGTEXT N_( \
 138   "You can enforce the marquee position on the video " \
 139   "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
 140   "also use combinations of these values by adding them).")
 141
 142 static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
 143 static char *ppsz_pos_descriptions[] =
 144      { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
 145      N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
 146
 147 /*****************************************************************************
 148  * Module descriptor
 149  *****************************************************************************/
 150 vlc_module_begin();
 151     set_capability( "sub filter", 0 );
 152     set_shortname( "RSS" );
 153     set_callbacks( CreateFilter, DestroyFilter );
 154     set_category( CAT_VIDEO );
 155     set_subcategory( SUBCAT_VIDEO_SUBPIC );
 156     add_string( "rss-urls", "rss", NULL, MSG_TEXT, MSG_LONGTEXT, VLC_FALSE );
 157
 158     set_section( N_("Position"), NULL );
 159     add_integer( "rss-x", -1, NULL, POSX_TEXT, POSX_LONGTEXT, VLC_TRUE );
 160     add_integer( "rss-y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, VLC_TRUE );
 161     add_integer( "rss-position", 5, NULL, POS_TEXT, POS_LONGTEXT, VLC_FALSE );
 162         change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
 163
 164     set_section( N_("Font"), NULL );
 165     /* 5 sets the default to top [1] left [4] */
 166     add_integer_with_range( "rss-opacity", 255, 0, 255, NULL,
 167         OPACITY_TEXT, OPACITY_LONGTEXT, VLC_FALSE );
 168     add_integer( "rss-color", 0xFFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT,
 169                   VLC_FALSE );
 170         change_integer_list( pi_color_values, ppsz_color_descriptions, 0 );
 171     add_integer( "rss-size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE );
 172
 173     set_section( N_("Misc"), NULL );
 174     add_integer( "rss-speed", 100000, NULL, SPEED_TEXT, SPEED_LONGTEXT,
 175                  VLC_FALSE );
 176     add_integer( "rss-length", 60, NULL, LENGTH_TEXT, LENGTH_LONGTEXT,
 177                  VLC_FALSE );
 178     add_integer( "rss-ttl", 1800, NULL, TTL_TEXT, TTL_LONGTEXT, VLC_FALSE );
 179
 180     set_description( _("RSS feed display") );
 181     add_shortcut( "rss" );
 182 vlc_module_end();
 183
 184 /*****************************************************************************
 185  * CreateFilter: allocates RSS video filter
 186  *****************************************************************************/
 187 static int CreateFilter( vlc_object_t *p_this )
 188 {
 189     filter_t *p_filter = (filter_t *)p_this;
 190     filter_sys_t *p_sys;
 191     int i_feed;
 192
 193     /* Allocate structure */
 194     p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
 195     if( p_sys == NULL )
 196     {
 197         msg_Err( p_filter, "out of memory" );
 198         return VLC_ENOMEM;
 199     }
 200
 201     vlc_mutex_init( p_filter, &p_sys->lock );
 202     vlc_mutex_lock( &p_sys->lock );
 203
 204     p_sys->psz_urls = var_CreateGetString( p_filter, "rss-urls" );
 205     p_sys->i_cur_feed = 0;
 206     p_sys->i_cur_item = 0;
 207     p_sys->i_cur_char = 0;
 208     p_sys->i_feeds = 0;
 209     p_sys->p_feeds = NULL;
 210     p_sys->i_speed = var_CreateGetInteger( p_filter, "rss-speed" );
 211     p_sys->i_length = var_CreateGetInteger( p_filter, "rss-length" );
 212     p_sys->i_ttl = __MAX( 0, var_CreateGetInteger( p_filter, "rss-ttl" ) );
 213     p_sys->psz_marquee = (char *)malloc( p_sys->i_length );
 214
 215     p_sys->p_style = malloc( sizeof( text_style_t ));
 216     memcpy( p_sys->p_style, &default_text_style, sizeof( text_style_t ));
 217
 218     p_sys->i_xoff = var_CreateGetInteger( p_filter, "rss-x" );
 219     p_sys->i_yoff = var_CreateGetInteger( p_filter, "rss-y" );
 220     p_sys->i_pos = var_CreateGetInteger( p_filter, "rss-position" );
 221     p_sys->p_style->i_font_alpha = 255 - var_CreateGetInteger( p_filter, "rss-opacity" );
 222     p_sys->p_style->i_font_color = var_CreateGetInteger( p_filter, "rss-color" );
 223     p_sys->p_style->i_font_size = var_CreateGetInteger( p_filter, "rss-size" );
 224
 225     if( FetchRSS( p_filter ) )
 226     {
 227         msg_Err( p_filter, "failed while fetching RSS ... too bad" );
 228         vlc_mutex_unlock( &p_sys->lock );
 229         return VLC_EGENERIC;
 230     }
 231     p_sys->t_last_update = time( NULL );
 232
 233     if( p_sys->i_feeds == 0 )
 234     {
 235         vlc_mutex_unlock( &p_sys->lock );
 236         return VLC_EGENERIC;
 237     }
 238     for( i_feed=0; i_feed < p_sys->i_feeds; i_feed ++ )
 239         if( p_sys->p_feeds[i_feed].i_items == 0 )
 240         {
 241             vlc_mutex_unlock( &p_sys->lock );
 242             return VLC_EGENERIC;
 243         }
 244
 245     /* Misc init */
 246     p_filter->pf_sub_filter = Filter;
 247     p_sys->last_date = (mtime_t)0;
 248
 249     vlc_mutex_unlock( &p_sys->lock );
 250
 251     return VLC_SUCCESS;
 252 }
 253 /*****************************************************************************
 254  * DestroyFilter: destroy RSS video filter
 255  *****************************************************************************/
 256 static void DestroyFilter( vlc_object_t *p_this )
 257 {
 258     filter_t *p_filter = (filter_t *)p_this;
 259     filter_sys_t *p_sys = p_filter->p_sys;
 260
 261     vlc_mutex_lock( &p_sys->lock );
 262
 263     if( p_sys->p_style ) free( p_sys->p_style );
 264     if( p_sys->psz_marquee ) free( p_sys->psz_marquee );
 265     free( p_sys->psz_urls );
 266     FreeRSS( p_filter );
 267     vlc_mutex_unlock( &p_sys->lock );
 268     vlc_mutex_destroy( &p_sys->lock );
 269     free( p_sys );
 270
 271     /* Delete the RSS variables */
 272     var_Destroy( p_filter, "rss-urls" );
 273     var_Destroy( p_filter, "rss-speed" );
 274     var_Destroy( p_filter, "rss-length" );
 275     var_Destroy( p_filter, "rss-ttl" );
 276     var_Destroy( p_filter, "rss-x" );
 277     var_Destroy( p_filter, "rss-y" );
 278     var_Destroy( p_filter, "rss-position" );
 279     var_Destroy( p_filter, "rss-color");
 280     var_Destroy( p_filter, "rss-opacity");
 281     var_Destroy( p_filter, "rss-size");
 282 }
 283
 284 /****************************************************************************
 285  * Filter: the whole thing
 286  ****************************************************************************
 287  * This function outputs subpictures at regular time intervals.
 288  ****************************************************************************/
 289 static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
 290 {
 291     filter_sys_t *p_sys = p_filter->p_sys;
 292     subpicture_t *p_spu;
 293     video_format_t fmt;
 294
 295     int i_feed, i_item;
 296
 297     vlc_mutex_lock( &p_sys->lock );
 298
 299     if( p_sys->last_date
 300        + ( p_sys->i_cur_char == 0 && p_sys->i_cur_item == 0 ? 5 : 1 )
 301            /* ( ... ? 5 : 1 ) means "wait more for the 1st char" */
 302        * p_sys->i_speed > date )
 303     {
 304         vlc_mutex_unlock( &p_sys->lock );
 305         return NULL;
 306     }
 307
 308     /* Do we need to update the feeds ? */
 309     if( p_sys->i_ttl
 310         && time( NULL ) > p_sys->t_last_update + (time_t)p_sys->i_ttl )
 311     {
 312         msg_Dbg( p_filter, "Forcing update of all the RSS feeds" );
 313         if( FetchRSS( p_filter ) )
 314         {
 315             msg_Err( p_filter, "failed while fetching RSS ... too bad" );
 316             vlc_mutex_unlock( &p_sys->lock );
 317             return NULL; /* FIXME : we most likely messed up all the data,
 318                           * so we might need to do something about it */
 319         }
 320         p_sys->t_last_update = time( NULL );
 321     }
 322
 323     p_sys->last_date = date;
 324     p_sys->i_cur_char++;
 325     if( p_sys->p_feeds[p_sys->i_cur_feed].p_items[p_sys->i_cur_item].psz_title[p_sys->i_cur_char] == 0 )
 326     {
 327         p_sys->i_cur_char = 0;
 328         p_sys->i_cur_item++;
 329         if( p_sys->i_cur_item >= p_sys->p_feeds[p_sys->i_cur_feed].i_items )
 330         {
 331             p_sys->i_cur_item = 0;
 332             p_sys->i_cur_feed = (p_sys->i_cur_feed + 1)%p_sys->i_feeds;
 333         }
 334     }
 335
 336     p_spu = p_filter->pf_sub_buffer_new( p_filter );
 337     if( !p_spu )
 338     {
 339         vlc_mutex_unlock( &p_sys->lock );
 340         return NULL;
 341     }
 342
 343     memset( &fmt, 0, sizeof(video_format_t) );
 344     fmt.i_chroma = VLC_FOURCC('T','E','X','T');
 345     fmt.i_aspect = 0;
 346     fmt.i_width = 0;
 347     fmt.i_height = 0;
 348     fmt.i_x_offset = 0;
 349     fmt.i_y_offset = 0;
 350     p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
 351     if( !p_spu->p_region )
 352     {
 353         p_filter->pf_sub_buffer_del( p_filter, p_spu );
 354         vlc_mutex_unlock( &p_sys->lock );
 355         return NULL;
 356     }
 357
 358     /* Generate the string that will be displayed. This string is supposed to
 359        be p_sys->i_length characters long. */
 360     i_item = p_sys->i_cur_item;
 361     i_feed = p_sys->i_cur_feed;
 362     snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s",
 363               p_sys->p_feeds[i_feed].psz_title,
 364               p_sys->p_feeds[i_feed].p_items[i_item].psz_title
 365               +p_sys->i_cur_char );
 366
 367     while( strlen( p_sys->psz_marquee ) < (unsigned int)p_sys->i_length )
 368     {
 369         i_item++;
 370         if( i_item == p_sys->p_feeds[i_feed].i_items ) break;
 371         snprintf( strchr( p_sys->psz_marquee, 0 ),
 372                   p_sys->i_length - strlen( p_sys->psz_marquee ),
 373                   " - %s",
 374                   p_sys->p_feeds[i_feed].p_items[i_item].psz_title );
 375     }
 376     /* Calls to snprintf might split multibyte UTF8 chars ...
 377      * which freetype doesn't like. */
 378     {
 379         char *a = strdup( p_sys->psz_marquee );
 380         char *a2 = a;
 381         char *b = p_sys->psz_marquee;
 382         EnsureUTF8( p_sys->psz_marquee );
 383         /* we want to use ' ' instead of '?' for erroneous chars */
 384         while( *b != '\0' )
 385         {
 386             if( *b != *a ) *b = ' ';
 387             b++;a++;
 388         }
 389         free( a2 );
 390     }
 391
 392     p_spu->p_region->psz_text = strdup(p_sys->psz_marquee);
 393     p_spu->i_start = date;
 394     p_spu->i_stop  = 0;
 395     p_spu->b_ephemer = VLC_TRUE;
 396
 397     /*  where to locate the string: */
 398     if( p_sys->i_xoff < 0 || p_sys->i_yoff < 0 )
 399     {   /* set to one of the 9 relative locations */
 400         p_spu->i_flags = p_sys->i_pos;
 401         p_spu->i_x = 0;
 402         p_spu->i_y = 0;
 403         p_spu->b_absolute = VLC_FALSE;
 404     }
 405     else
 406     {   /*  set to an absolute xy, referenced to upper left corner */
 407         p_spu->i_flags = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
 408         p_spu->i_x = p_sys->i_xoff;
 409         p_spu->i_y = p_sys->i_yoff;
 410         p_spu->b_absolute = VLC_TRUE;
 411     }
 412     p_spu->i_height = 1;
 413     p_spu->p_region->p_style = p_sys->p_style;
 414
 415     vlc_mutex_unlock( &p_sys->lock );
 416     return p_spu;
 417 }
 418
 419 /****************************************************************************
 420  * RSS related functions
 421  ****************************************************************************
 422  * You should always lock the p_filter mutex before using any of these
 423  * functions
 424  ***************************************************************************/
 425
 426
 427 /****************************************************************************
 428  * remove all ' ' '\t' '\n' '\r' characters from the begining and end of the
 429  * string.
 430  ***************************************************************************/
 431 char *removeWhiteChars( char *psz_src )
 432 {
 433     char *psz_src2 = strdup( psz_src );
 434     char *psz_clean = strdup( psz_src2 );
 435     char *psz_clean2;
 436     int i;
 437     while( ( *psz_clean == ' ' || *psz_clean == '\t'
 438            || *psz_clean == '\n' || *psz_clean == '\r' )
 439            && *psz_clean != '\0' )
 440     {
 441         psz_clean++;
 442     }
 443     i = strlen( psz_clean );
 444     while( --i > 0 &&
 445          ( psz_clean[i] == ' ' || psz_clean[i] == '\t'
 446         || psz_clean[i] == '\n' || psz_clean[i] == '\r' ) );
 447     psz_clean[i+1] = '\0';
 448     psz_clean2 = strdup( psz_clean );
 449     free( psz_src2 );
 450     return psz_clean2;
 451 }
 452
 453 /****************************************************************************
 454  * FetchRSS
 455  ***************************************************************************/
 456 static int FetchRSS( filter_t *p_filter)
 457 {
 458     filter_sys_t *p_sys = p_filter->p_sys;
 459
 460     stream_t *p_stream = NULL;
 461     xml_t *p_xml = NULL;
 462     xml_reader_t *p_xml_reader = NULL;
 463
 464     char *psz_eltname = NULL;
 465     char *psz_eltvalue = NULL;
 466     char *psz_feed = NULL;
 467     char *psz_buffer = NULL;
 468     char *psz_buffer_2 = NULL;
 469
 470     int i_feed;
 471     int i_item;
 472     int i_is_item;
 473     int i_int;
 474
 475     FreeRSS( p_filter );
 476     p_sys->i_feeds = 1;
 477     i_int = 0;
 478     while( p_sys->psz_urls[i_int] != 0 )
 479         if( p_sys->psz_urls[i_int++] == '|' )
 480             p_sys->i_feeds++;
 481     p_sys->p_feeds = (struct rss_feed_t *)malloc( p_sys->i_feeds
 482                                 * sizeof( struct rss_feed_t ) );
 483
 484     p_xml = xml_Create( p_filter );
 485     if( !p_xml )
 486     {
 487         msg_Err( p_filter, "Failed to open XML parser" );
 488         return 1;
 489     }
 490
 491     psz_buffer = strdup( p_sys->psz_urls );
 492     psz_buffer_2 = psz_buffer; /* keep track so we can free it */
 493     for( i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
 494     {
 495         struct rss_feed_t *p_feed = p_sys->p_feeds+i_feed;
 496
 497         if( psz_buffer == NULL ) break;
 498         if( psz_buffer[0] == 0 ) psz_buffer++;
 499         psz_feed = psz_buffer;
 500         psz_buffer = strchr( psz_buffer, '|' );
 501         if( psz_buffer != NULL ) psz_buffer[0] = 0;
 502
 503         p_feed->psz_title = NULL;
 504         p_feed->psz_description = NULL;
 505         p_feed->psz_link = NULL;
 506         p_feed->i_items = 0;
 507         p_feed->p_items = NULL;
 508
 509         msg_Dbg( p_filter, "Opening %s RSS feed ...", psz_feed );
 510
 511         p_stream = stream_UrlNew( p_filter, psz_feed );
 512         if( !p_stream )
 513         {
 514             msg_Err( p_filter, "Failed to open %s for reading", psz_feed );
 515             return 1;
 516         }
 517
 518         p_xml_reader = xml_ReaderCreate( p_xml, p_stream );
 519         if( !p_xml_reader )
 520         {
 521             msg_Err( p_filter, "Failed to open %s for parsing", psz_feed );
 522             return 1;
 523         }
 524
 525         i_item = 0;
 526         i_is_item = VLC_FALSE;
 527
 528         while( xml_ReaderRead( p_xml_reader ) == 1 )
 529         {
 530             switch( xml_ReaderNodeType( p_xml_reader ) )
 531             {
 532                 // Error
 533                 case -1:
 534                     return 1;
 535
 536                 case XML_READER_STARTELEM:
 537                     if( psz_eltname )
 538                     {
 539                         free( psz_eltname );
 540                         psz_eltname = NULL;
 541                     }
 542                     psz_eltname = xml_ReaderName( p_xml_reader );
 543                     if( !psz_eltname )
 544                     {
 545                         return 1;
 546                     }
 547 #                   ifdef RSS_DEBUG
 548                     msg_Dbg( p_filter, "element name : %s", psz_eltname );
 549 #                   endif
 550                     if( !strcmp( psz_eltname, "item" ) )
 551                     {
 552                         i_is_item = VLC_TRUE;
 553                         p_feed->i_items++;
 554                         p_feed->p_items = (struct rss_item_t *)realloc( p_feed->p_items, p_feed->i_items * sizeof( struct rss_item_t ) );
 555                         p_feed->p_items[p_feed->i_items-1].psz_title = NULL;
 556                         p_feed->p_items[p_feed->i_items-1].psz_description
 557                                                                      = NULL;
 558                         p_feed->p_items[p_feed->i_items-1].psz_link = NULL;
 559                     }
 560                     break;
 561
 562                 case XML_READER_ENDELEM:
 563                     if( psz_eltname )
 564                     {
 565                         free( psz_eltname );
 566                         psz_eltname = NULL;
 567                     }
 568                     psz_eltname = xml_ReaderName( p_xml_reader );
 569                     if( !psz_eltname )
 570                     {
 571                         return 1;
 572                     }
 573 #                   ifdef RSS_DEBUG
 574                     msg_Dbg( p_filter, "element end : %s", psz_eltname );
 575 #                   endif
 576                     if( !strcmp( psz_eltname, "item" ) )
 577                     {
 578                         i_is_item = VLC_FALSE;
 579                         i_item++;
 580                     }
 581                     free( psz_eltname );
 582                     psz_eltname = NULL;
 583                     break;
 584
 585                 case XML_READER_TEXT:
 586                     psz_eltvalue = xml_ReaderValue( p_xml_reader );
 587                     if( !psz_eltvalue )
 588                     {
 589                         return 1;
 590                     }
 591                     else
 592                     {
 593                         char *psz_clean;
 594                         psz_clean = removeWhiteChars( psz_eltvalue );
 595                         free( psz_eltvalue ); psz_eltvalue = psz_clean;
 596                     }
 597 #                   ifdef RSS_DEBUG
 598                     msg_Dbg( p_filter, "  text : <%s>", psz_eltvalue );
 599 #                   endif
 600                     if( i_is_item == VLC_FALSE )
 601                     {
 602                         if( !strcmp( psz_eltname, "title" ) )
 603                         {
 604                             p_feed->psz_title = psz_eltvalue;
 605                         }
 606                         else if( !strcmp( psz_eltname, "link" ) )
 607                         {
 608                             p_feed->psz_link = psz_eltvalue;
 609                         }
 610                         else if( !strcmp( psz_eltname, "description" ) )
 611                         {
 612                             p_feed->psz_description = psz_eltvalue;
 613                         }
 614                         else
 615                         {
 616                             free( psz_eltvalue );
 617                             psz_eltvalue = NULL;
 618                         }
 619                     }
 620                     else
 621                     {
 622                         struct rss_item_t *p_item;
 623                         p_item = p_feed->p_items+i_item;
 624                         if( !strcmp( psz_eltname, "title" ) )
 625                         {
 626                             p_item->psz_title = psz_eltvalue;
 627                         }
 628                         else if( !strcmp( psz_eltname, "link" ) )
 629                         {
 630                             p_item->psz_link = psz_eltvalue;
 631                         }
 632                         else if( !strcmp( psz_eltname, "description" ) )
 633                         {
 634                             p_item->psz_description = psz_eltvalue;
 635                         }
 636                         else
 637                         {
 638                             free( psz_eltvalue );
 639                             psz_eltvalue = NULL;
 640                         }
 641                     }
 642                     break;
 643             }
 644         }
 645
 646         if( p_xml_reader && p_xml ) xml_ReaderDelete( p_xml, p_xml_reader );
 647         if( p_stream ) stream_Delete( p_stream );
 648         msg_Dbg( p_filter, "Done with %s RSS feed.", psz_feed );
 649     }
 650     free( psz_buffer_2 );
 651     if( p_xml ) xml_Delete( p_xml );
 652
 653     return 0;
 654 }
 655
 656 /****************************************************************************
 657  * FreeRSS
 658  ***************************************************************************/
 659 static void FreeRSS( filter_t *p_filter)
 660 {
 661     filter_sys_t *p_sys = p_filter->p_sys;
 662
 663     struct rss_item_t *p_item;
 664     struct rss_feed_t *p_feed;
 665
 666     int i_feed;
 667     int i_item;
 668
 669     for( i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
 670     {
 671         p_feed = p_sys->p_feeds+i_feed;
 672         for( i_item = 0; i_item < p_feed->i_items; i_item++ )
 673         {
 674             p_item = p_feed->p_items+i_item;
 675             free( p_item->psz_title );
 676             free( p_item->psz_link );
 677             free( p_item->psz_description );
 678         }
 679         free( p_feed->p_items );
 680         free( p_feed->psz_title);
 681         free( p_feed->psz_link );
 682         free( p_feed->psz_description );
 683     }
 684     free( p_sys->p_feeds );
 685     p_sys->i_feeds = 0;
 686 }