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) 2003-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Antoine Cellerier <dionoea@videolan.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., 59 Temple Place - Suite 330, Boston, MA  02111, 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 "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     int  i_font_color, i_font_opacity, i_font_size; /* 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( N_("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_FALSE );
 160     add_integer( "rss-y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, VLC_FALSE );
 161     add_integer( "rss-position", 5, NULL, POS_TEXT, POS_LONGTEXT, VLC_TRUE );
 162
 163     set_section( N_("Font"), NULL );
 164     /* 5 sets the default to top [1] left [4] */
 165     change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
 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, VLC_TRUE );
 169         change_integer_list( pi_color_values, ppsz_color_descriptions, 0 );
 170     add_integer( "rss-size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE );
 171
 172     set_section( N_("Misc"), NULL );
 173     add_integer( "rss-speed", 100000, NULL, SPEED_TEXT, SPEED_LONGTEXT,
 174                  VLC_FALSE );
 175     add_integer( "rss-length", 60, NULL, LENGTH_TEXT, LENGTH_LONGTEXT,
 176                  VLC_FALSE );
 177     add_integer( "rss-ttl", 900, NULL, TTL_TEXT, TTL_LONGTEXT, VLC_FALSE );
 178
 179     set_description( _("RSS feed display sub filter") );
 180     add_shortcut( "rss" );
 181 vlc_module_end();
 182
 183 /*****************************************************************************
 184  * CreateFilter: allocates RSS video filter
 185  *****************************************************************************/
 186 static int CreateFilter( vlc_object_t *p_this )
 187 {
 188     filter_t *p_filter = (filter_t *)p_this;
 189     filter_sys_t *p_sys;
 190     int i_feed;
 191
 192     /* Allocate structure */
 193     p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
 194     if( p_sys == NULL )
 195     {
 196         msg_Err( p_filter, "out of memory" );
 197         return VLC_ENOMEM;
 198     }
 199
 200     vlc_mutex_init( p_filter, &p_sys->lock );
 201     vlc_mutex_lock( &p_sys->lock );
 202
 203     p_sys->psz_urls = var_CreateGetString( p_filter, "rss-urls" );
 204     p_sys->i_cur_feed = 0;
 205     p_sys->i_cur_item = 0;
 206     p_sys->i_cur_char = 0;
 207     p_sys->i_feeds = 0;
 208     p_sys->p_feeds = NULL;
 209     p_sys->i_speed = var_CreateGetInteger( p_filter, "rss-speed" );
 210     p_sys->i_length = var_CreateGetInteger( p_filter, "rss-length" );
 211     p_sys->i_ttl = __MAX( 0, var_CreateGetInteger( p_filter, "rss-ttl" ) );
 212     p_sys->psz_marquee = (char *)malloc( p_sys->i_length );
 213
 214     p_sys->i_xoff = var_CreateGetInteger( p_filter, "rss-x" );
 215     p_sys->i_yoff = var_CreateGetInteger( p_filter, "rss-y" );
 216     p_sys->i_pos = var_CreateGetInteger( p_filter, "rss-position" );
 217     var_Create( p_filter, "rss-opacity", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 218     p_sys->i_font_opacity = var_CreateGetInteger( p_filter, "rss-opacity" );
 219     p_sys->i_font_color = var_CreateGetInteger( p_filter, "rss-color" );
 220     p_sys->i_font_size = var_CreateGetInteger( p_filter, "rss-size" );
 221
 222     if( FetchRSS( p_filter ) )
 223     {
 224         msg_Err( p_filter, "failed while fetching RSS ... too bad" );
 225         vlc_mutex_unlock( &p_sys->lock );
 226         return VLC_EGENERIC;
 227     }
 228     p_sys->t_last_update = time( NULL );
 229
 230     if( p_sys->i_feeds == 0 )
 231     {
 232         vlc_mutex_unlock( &p_sys->lock );
 233         return VLC_EGENERIC;
 234     }
 235     for( i_feed=0; i_feed < p_sys->i_feeds; i_feed ++ )
 236         if( p_sys->p_feeds[i_feed].i_items == 0 )
 237         {
 238             vlc_mutex_unlock( &p_sys->lock );
 239             return VLC_EGENERIC;
 240         }
 241
 242     /* Misc init */
 243     p_filter->pf_sub_filter = Filter;
 244     p_sys->last_date = (mtime_t)0;
 245
 246     vlc_mutex_unlock( &p_sys->lock );
 247
 248     return VLC_SUCCESS;
 249 }
 250 /*****************************************************************************
 251  * DestroyFilter: destroy RSS video filter
 252  *****************************************************************************/
 253 static void DestroyFilter( vlc_object_t *p_this )
 254 {
 255     filter_t *p_filter = (filter_t *)p_this;
 256     filter_sys_t *p_sys = p_filter->p_sys;
 257
 258     vlc_mutex_lock( &p_sys->lock );
 259
 260     if( p_sys->psz_marquee ) free( p_sys->psz_marquee );
 261     free( p_sys->psz_urls );
 262     FreeRSS( p_filter );
 263     vlc_mutex_unlock( &p_sys->lock );
 264     vlc_mutex_destroy( &p_sys->lock );
 265     free( p_sys );
 266
 267     /* Delete the RSS variables */
 268     var_Destroy( p_filter, "rss-urls" );
 269     var_Destroy( p_filter, "rss-speed" );
 270     var_Destroy( p_filter, "rss-length" );
 271     var_Destroy( p_filter, "rss-ttl" );
 272     var_Destroy( p_filter, "rss-x" );
 273     var_Destroy( p_filter, "rss-y" );
 274     var_Destroy( p_filter, "rss-position" );
 275     var_Destroy( p_filter, "rss-color");
 276     var_Destroy( p_filter, "rss-opacity");
 277     var_Destroy( p_filter, "rss-size");
 278 }
 279
 280 /****************************************************************************
 281  * Filter: the whole thing
 282  ****************************************************************************
 283  * This function outputs subpictures at regular time intervals.
 284  ****************************************************************************/
 285 static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
 286 {
 287     filter_sys_t *p_sys = p_filter->p_sys;
 288     subpicture_t *p_spu;
 289     video_format_t fmt;
 290
 291     int i_feed, i_item;
 292
 293     vlc_mutex_lock( &p_sys->lock );
 294
 295     if( p_sys->last_date
 296        + ( p_sys->i_cur_char == 0 && p_sys->i_cur_item == 0 ? 5 : 1 )
 297            /* ( ... ? 5 : 1 ) means "wait more for the 1st char" */
 298        * p_sys->i_speed > date )
 299     {
 300         vlc_mutex_unlock( &p_sys->lock );
 301         return NULL;
 302     }
 303
 304     /* Do we need to update the feeds ? */
 305     if( p_sys->i_ttl
 306         && time( NULL ) > p_sys->t_last_update + (time_t)p_sys->i_ttl )
 307     {
 308         msg_Dbg( p_filter, "Forcing update of all the RSS feeds" );
 309         if( FetchRSS( p_filter ) )
 310         {
 311             msg_Err( p_filter, "failed while fetching RSS ... too bad" );
 312             vlc_mutex_unlock( &p_sys->lock );
 313             return NULL; /* FIXME : we most likely messed up all the data,
 314                           * so we might need to do something about it */
 315         }
 316         p_sys->t_last_update = time( NULL );
 317     }
 318
 319     p_sys->last_date = date;
 320     p_sys->i_cur_char++;
 321     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 )
 322     {
 323         p_sys->i_cur_char = 0;
 324         p_sys->i_cur_item++;
 325         if( p_sys->i_cur_item >= p_sys->p_feeds[p_sys->i_cur_feed].i_items )
 326         {
 327             p_sys->i_cur_item = 0;
 328             p_sys->i_cur_feed = (p_sys->i_cur_feed + 1)%p_sys->i_feeds;
 329         }
 330     }
 331
 332     p_spu = p_filter->pf_sub_buffer_new( p_filter );
 333     if( !p_spu )
 334     {
 335         vlc_mutex_unlock( &p_sys->lock );
 336         return NULL;
 337     }
 338
 339     memset( &fmt, 0, sizeof(video_format_t) );
 340     fmt.i_chroma = VLC_FOURCC('T','E','X','T');
 341     fmt.i_aspect = 0;
 342     fmt.i_width = 0;
 343     fmt.i_height = 0;
 344     fmt.i_x_offset = 0;
 345     fmt.i_y_offset = 0;
 346     p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
 347     if( !p_spu->p_region )
 348     {
 349         p_filter->pf_sub_buffer_del( p_filter, p_spu );
 350         vlc_mutex_unlock( &p_sys->lock );
 351         return NULL;
 352     }
 353
 354     i_item = p_sys->i_cur_item;
 355     i_feed = p_sys->i_cur_feed;
 356     snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s", p_sys->p_feeds[i_feed].psz_title, p_sys->p_feeds[i_feed].p_items[i_item].psz_title+p_sys->i_cur_char );
 357     while( strlen( p_sys->psz_marquee ) < (unsigned int)p_sys->i_length )
 358     {
 359         i_item++;
 360         if( i_item == p_sys->p_feeds[i_feed].i_items ) break;
 361         snprintf( strchr( p_sys->psz_marquee, 0 ), p_sys->i_length - strlen( p_sys->psz_marquee ), " - %s", p_sys->p_feeds[i_feed].p_items[i_item].psz_title );
 362     }
 363
 364     p_spu->p_region->psz_text = strdup(p_sys->psz_marquee);
 365     p_spu->i_start = date;
 366     p_spu->i_stop  = 0;
 367     p_spu->b_ephemer = VLC_TRUE;
 368
 369     /*  where to locate the string: */
 370     if( p_sys->i_xoff < 0 || p_sys->i_yoff < 0 )
 371     {   /* set to one of the 9 relative locations */
 372         p_spu->i_flags = p_sys->i_pos;
 373         p_spu->i_x = 0;
 374         p_spu->i_y = 0;
 375         p_spu->b_absolute = VLC_FALSE;
 376     }
 377     else
 378     {   /*  set to an absolute xy, referenced to upper left corner */
 379         p_spu->i_flags = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
 380         p_spu->i_x = p_sys->i_xoff;
 381         p_spu->i_y = p_sys->i_yoff;
 382         p_spu->b_absolute = VLC_TRUE;
 383     }
 384     p_spu->i_height = 1;
 385     p_spu->p_region->i_text_color = p_sys->i_font_color;
 386     p_spu->p_region->i_text_alpha = 255 - p_sys->i_font_opacity;
 387     p_spu->p_region->i_text_size = p_sys->i_font_size;
 388
 389     vlc_mutex_unlock( &p_sys->lock );
 390     return p_spu;
 391 }
 392
 393 /****************************************************************************
 394  * RSS related functions
 395  ****************************************************************************
 396  * You should always lock the p_filter mutex before using any of these
 397  * functions
 398  ***************************************************************************/
 399
 400 /****************************************************************************
 401  * FetchRSS
 402  ***************************************************************************/
 403 static int FetchRSS( filter_t *p_filter)
 404 {
 405     filter_sys_t *p_sys = p_filter->p_sys;
 406
 407     stream_t *p_stream = NULL;
 408     xml_t *p_xml = NULL;
 409     xml_reader_t *p_xml_reader = NULL;
 410
 411     char *psz_eltname = NULL;
 412     char *psz_eltvalue = NULL;
 413     char *psz_feed = NULL;
 414     char *psz_buffer = NULL;
 415     char *psz_buffer_2 = NULL;
 416
 417     int i_feed;
 418     int i_item;
 419     int i_is_item;
 420     int i_int;
 421
 422     FreeRSS( p_filter );
 423     p_sys->i_feeds = 1;
 424     i_int = 0;
 425     while( p_sys->psz_urls[i_int] != 0 )
 426         if( p_sys->psz_urls[i_int++] == '|' )
 427             p_sys->i_feeds++;
 428     p_sys->p_feeds = (struct rss_feed_t *)malloc( p_sys->i_feeds
 429                                 * sizeof( struct rss_feed_t ) );
 430
 431     p_xml = xml_Create( p_filter );
 432     if( !p_xml )
 433     {
 434         msg_Err( p_filter, "Failed to open XML parser" );
 435         return 1;
 436     }
 437
 438     psz_buffer = strdup( p_sys->psz_urls );
 439     psz_buffer_2 = psz_buffer; /* keep track so we can free it */
 440     for( i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
 441     {
 442         struct rss_feed_t *p_feed = p_sys->p_feeds+i_feed;
 443
 444         if( psz_buffer == NULL ) break;
 445         if( psz_buffer[0] == 0 ) psz_buffer++;
 446         psz_feed = psz_buffer;
 447         psz_buffer = strchr( psz_buffer, '|' );
 448         if( psz_buffer != NULL ) psz_buffer[0] = 0;
 449
 450         p_feed->psz_title = NULL;
 451         p_feed->psz_description = NULL;
 452         p_feed->psz_link = NULL;
 453         p_feed->i_items = 0;
 454         p_feed->p_items = NULL;
 455
 456         msg_Dbg( p_filter, "Opening %s RSS feed ...", psz_feed );
 457
 458         p_stream = stream_UrlNew( p_filter, psz_feed );
 459         if( !p_stream )
 460         {
 461             msg_Err( p_filter, "Failed to open %s for reading", psz_feed );
 462             return 1;
 463         }
 464
 465         p_xml_reader = xml_ReaderCreate( p_xml, p_stream );
 466         if( !p_xml_reader )
 467         {
 468             msg_Err( p_filter, "Failed to open %s for parsing", psz_feed );
 469             return 1;
 470         }
 471
 472         i_item = 0;
 473         i_is_item = VLC_FALSE;
 474
 475         while( xml_ReaderRead( p_xml_reader ) == 1 )
 476         {
 477             switch( xml_ReaderNodeType( p_xml_reader ) )
 478             {
 479                 // Error
 480                 case -1:
 481                     return 1;
 482
 483                 case XML_READER_STARTELEM:
 484                     if( psz_eltname )
 485                     {
 486                         free( psz_eltname );
 487                         psz_eltname = NULL;
 488                     }
 489                     psz_eltname = xml_ReaderName( p_xml_reader );
 490                     if( !psz_eltname )
 491                     {
 492                         return 1;
 493                     }
 494 #                   ifdef RSS_DEBUG
 495                     msg_Dbg( p_filter, "element name : %s", psz_eltname );
 496 #                   endif
 497                     if( !strcmp( psz_eltname, "item" ) )
 498                     {
 499                         i_is_item = VLC_TRUE;
 500                         p_feed->i_items++;
 501                         p_feed->p_items = (struct rss_item_t *)realloc( p_feed->p_items, p_feed->i_items * sizeof( struct rss_item_t ) );
 502                         p_feed->p_items[p_feed->i_items-1].psz_title = NULL;
 503                         p_feed->p_items[p_feed->i_items-1].psz_description
 504                                                                      = NULL;
 505                         p_feed->p_items[p_feed->i_items-1].psz_link = NULL;
 506                     }
 507                     break;
 508
 509                 case XML_READER_ENDELEM:
 510                     if( psz_eltname )
 511                     {
 512                         free( psz_eltname );
 513                         psz_eltname = NULL;
 514                     }
 515                     psz_eltname = xml_ReaderName( p_xml_reader );
 516                     if( !psz_eltname )
 517                     {
 518                         return 1;
 519                     }
 520 #                   ifdef RSS_DEBUG
 521                     msg_Dbg( p_filter, "element end : %s", psz_eltname );
 522 #                   endif
 523                     if( !strcmp( psz_eltname, "item" ) )
 524                     {
 525                         i_is_item = VLC_FALSE;
 526                         i_item++;
 527                     }
 528                     free( psz_eltname );
 529                     psz_eltname = NULL;
 530                     break;
 531
 532                 case XML_READER_TEXT:
 533                     psz_eltvalue = xml_ReaderValue( p_xml_reader );
 534                     if( !psz_eltvalue )
 535                     {
 536                         return 1;
 537                     }
 538 #                   ifdef RSS_DEBUG
 539                     msg_Dbg( p_filter, "  text : %s", psz_eltvalue );
 540 #                   endif
 541                     if( i_is_item == VLC_FALSE )
 542                     {
 543                         if( !strcmp( psz_eltname, "title" ) )
 544                         {
 545                             p_feed->psz_title = psz_eltvalue;
 546                         }
 547                         else if( !strcmp( psz_eltname, "link" ) )
 548                         {
 549                             p_feed->psz_link = psz_eltvalue;
 550                         }
 551                         else if( !strcmp( psz_eltname, "description" ) )
 552                         {
 553                             p_feed->psz_description = psz_eltvalue;
 554                         }
 555                         else
 556                         {
 557                             free( psz_eltvalue );
 558                             psz_eltvalue = NULL;
 559                         }
 560                     }
 561                     else
 562                     {
 563                         struct rss_item_t *p_item;
 564                         p_item = p_feed->p_items+i_item;
 565                         if( !strcmp( psz_eltname, "title" ) )
 566                         {
 567                             p_item->psz_title = psz_eltvalue;
 568                         }
 569                         else if( !strcmp( psz_eltname, "link" ) )
 570                         {
 571                             p_item->psz_link = psz_eltvalue;
 572                         }
 573                         else if( !strcmp( psz_eltname, "description" ) )
 574                         {
 575                             p_item->psz_description = psz_eltvalue;
 576                         }
 577                         else
 578                         {
 579                             free( psz_eltvalue );
 580                             psz_eltvalue = NULL;
 581                         }
 582                     }
 583                     break;
 584             }
 585         }
 586
 587         if( p_xml_reader && p_xml ) xml_ReaderDelete( p_xml, p_xml_reader );
 588         if( p_stream ) stream_Delete( p_stream );
 589         msg_Dbg( p_filter, "Done with %s RSS feed.", psz_feed );
 590     }
 591     free( psz_buffer_2 );
 592     if( p_xml ) xml_Delete( p_xml );
 593
 594     return 0;
 595 }
 596
 597 /****************************************************************************
 598  * FreeRSS
 599  ***************************************************************************/
 600 static void FreeRSS( filter_t *p_filter)
 601 {
 602     filter_sys_t *p_sys = p_filter->p_sys;
 603
 604     struct rss_item_t *p_item;
 605     struct rss_feed_t *p_feed;
 606
 607     int i_feed;
 608     int i_item;
 609
 610     for( i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
 611     {
 612         p_feed = p_sys->p_feeds+i_feed;
 613         for( i_item = 0; i_item < p_feed->i_items; i_item++ )
 614         {
 615             p_item = p_feed->p_items+i_item;
 616             free( p_item->psz_title );
 617             free( p_item->psz_link );
 618             free( p_item->psz_description );
 619         }
 620         free( p_feed->p_items );
 621         free( p_feed->psz_title);
 622         free( p_feed->psz_link );
 623         free( p_feed->psz_description );
 624     }
 625     free( p_sys->p_feeds );
 626     p_sys->i_feeds = 0;
 627 }