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 "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     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_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->i_xoff = var_CreateGetInteger( p_filter, "rss-x" );
 216     p_sys->i_yoff = var_CreateGetInteger( p_filter, "rss-y" );
 217     p_sys->i_pos = var_CreateGetInteger( p_filter, "rss-position" );
 218     var_Create( p_filter, "rss-opacity", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 219     p_sys->i_font_opacity = var_CreateGetInteger( p_filter, "rss-opacity" );
 220     p_sys->i_font_color = var_CreateGetInteger( p_filter, "rss-color" );
 221     p_sys->i_font_size = var_CreateGetInteger( p_filter, "rss-size" );
 222
 223     if( FetchRSS( p_filter ) )
 224     {
 225         msg_Err( p_filter, "failed while fetching RSS ... too bad" );
 226         vlc_mutex_unlock( &p_sys->lock );
 227         return VLC_EGENERIC;
 228     }
 229     p_sys->t_last_update = time( NULL );
 230
 231     if( p_sys->i_feeds == 0 )
 232     {
 233         vlc_mutex_unlock( &p_sys->lock );
 234         return VLC_EGENERIC;
 235     }
 236     for( i_feed=0; i_feed < p_sys->i_feeds; i_feed ++ )
 237         if( p_sys->p_feeds[i_feed].i_items == 0 )
 238         {
 239             vlc_mutex_unlock( &p_sys->lock );
 240             return VLC_EGENERIC;
 241         }
 242
 243     /* Misc init */
 244     p_filter->pf_sub_filter = Filter;
 245     p_sys->last_date = (mtime_t)0;
 246
 247     vlc_mutex_unlock( &p_sys->lock );
 248
 249     return VLC_SUCCESS;
 250 }
 251 /*****************************************************************************
 252  * DestroyFilter: destroy RSS video filter
 253  *****************************************************************************/
 254 static void DestroyFilter( vlc_object_t *p_this )
 255 {
 256     filter_t *p_filter = (filter_t *)p_this;
 257     filter_sys_t *p_sys = p_filter->p_sys;
 258
 259     vlc_mutex_lock( &p_sys->lock );
 260
 261     if( p_sys->psz_marquee ) free( p_sys->psz_marquee );
 262     free( p_sys->psz_urls );
 263     FreeRSS( p_filter );
 264     vlc_mutex_unlock( &p_sys->lock );
 265     vlc_mutex_destroy( &p_sys->lock );
 266     free( p_sys );
 267
 268     /* Delete the RSS variables */
 269     var_Destroy( p_filter, "rss-urls" );
 270     var_Destroy( p_filter, "rss-speed" );
 271     var_Destroy( p_filter, "rss-length" );
 272     var_Destroy( p_filter, "rss-ttl" );
 273     var_Destroy( p_filter, "rss-x" );
 274     var_Destroy( p_filter, "rss-y" );
 275     var_Destroy( p_filter, "rss-position" );
 276     var_Destroy( p_filter, "rss-color");
 277     var_Destroy( p_filter, "rss-opacity");
 278     var_Destroy( p_filter, "rss-size");
 279 }
 280
 281 /****************************************************************************
 282  * Filter: the whole thing
 283  ****************************************************************************
 284  * This function outputs subpictures at regular time intervals.
 285  ****************************************************************************/
 286 static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
 287 {
 288     filter_sys_t *p_sys = p_filter->p_sys;
 289     subpicture_t *p_spu;
 290     video_format_t fmt;
 291
 292     int i_feed, i_item;
 293
 294     vlc_mutex_lock( &p_sys->lock );
 295
 296     if( p_sys->last_date
 297        + ( p_sys->i_cur_char == 0 && p_sys->i_cur_item == 0 ? 5 : 1 )
 298            /* ( ... ? 5 : 1 ) means "wait more for the 1st char" */
 299        * p_sys->i_speed > date )
 300     {
 301         vlc_mutex_unlock( &p_sys->lock );
 302         return NULL;
 303     }
 304
 305     /* Do we need to update the feeds ? */
 306     if( p_sys->i_ttl
 307         && time( NULL ) > p_sys->t_last_update + (time_t)p_sys->i_ttl )
 308     {
 309         msg_Dbg( p_filter, "Forcing update of all the RSS feeds" );
 310         if( FetchRSS( p_filter ) )
 311         {
 312             msg_Err( p_filter, "failed while fetching RSS ... too bad" );
 313             vlc_mutex_unlock( &p_sys->lock );
 314             return NULL; /* FIXME : we most likely messed up all the data,
 315                           * so we might need to do something about it */
 316         }
 317         p_sys->t_last_update = time( NULL );
 318     }
 319
 320     p_sys->last_date = date;
 321     p_sys->i_cur_char++;
 322     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 )
 323     {
 324         p_sys->i_cur_char = 0;
 325         p_sys->i_cur_item++;
 326         if( p_sys->i_cur_item >= p_sys->p_feeds[p_sys->i_cur_feed].i_items )
 327         {
 328             p_sys->i_cur_item = 0;
 329             p_sys->i_cur_feed = (p_sys->i_cur_feed + 1)%p_sys->i_feeds;
 330         }
 331     }
 332
 333     p_spu = p_filter->pf_sub_buffer_new( p_filter );
 334     if( !p_spu )
 335     {
 336         vlc_mutex_unlock( &p_sys->lock );
 337         return NULL;
 338     }
 339
 340     memset( &fmt, 0, sizeof(video_format_t) );
 341     fmt.i_chroma = VLC_FOURCC('T','E','X','T');
 342     fmt.i_aspect = 0;
 343     fmt.i_width = 0;
 344     fmt.i_height = 0;
 345     fmt.i_x_offset = 0;
 346     fmt.i_y_offset = 0;
 347     p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
 348     if( !p_spu->p_region )
 349     {
 350         p_filter->pf_sub_buffer_del( p_filter, p_spu );
 351         vlc_mutex_unlock( &p_sys->lock );
 352         return NULL;
 353     }
 354
 355     i_item = p_sys->i_cur_item;
 356     i_feed = p_sys->i_cur_feed;
 357     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 );
 358     while( strlen( p_sys->psz_marquee ) < (unsigned int)p_sys->i_length )
 359     {
 360         i_item++;
 361         if( i_item == p_sys->p_feeds[i_feed].i_items ) break;
 362         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 );
 363     }
 364
 365     p_spu->p_region->psz_text = strdup(p_sys->psz_marquee);
 366     p_spu->i_start = date;
 367     p_spu->i_stop  = 0;
 368     p_spu->b_ephemer = VLC_TRUE;
 369
 370     /*  where to locate the string: */
 371     if( p_sys->i_xoff < 0 || p_sys->i_yoff < 0 )
 372     {   /* set to one of the 9 relative locations */
 373         p_spu->i_flags = p_sys->i_pos;
 374         p_spu->i_x = 0;
 375         p_spu->i_y = 0;
 376         p_spu->b_absolute = VLC_FALSE;
 377     }
 378     else
 379     {   /*  set to an absolute xy, referenced to upper left corner */
 380         p_spu->i_flags = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
 381         p_spu->i_x = p_sys->i_xoff;
 382         p_spu->i_y = p_sys->i_yoff;
 383         p_spu->b_absolute = VLC_TRUE;
 384     }
 385     p_spu->i_height = 1;
 386     p_spu->p_region->i_text_color = p_sys->i_font_color;
 387     p_spu->p_region->i_text_alpha = 255 - p_sys->i_font_opacity;
 388     p_spu->p_region->i_text_size = p_sys->i_font_size;
 389
 390     vlc_mutex_unlock( &p_sys->lock );
 391     return p_spu;
 392 }
 393
 394 /****************************************************************************
 395  * RSS related functions
 396  ****************************************************************************
 397  * You should always lock the p_filter mutex before using any of these
 398  * functions
 399  ***************************************************************************/
 400
 401 /****************************************************************************
 402  * FetchRSS
 403  ***************************************************************************/
 404 static int FetchRSS( filter_t *p_filter)
 405 {
 406     filter_sys_t *p_sys = p_filter->p_sys;
 407
 408     stream_t *p_stream = NULL;
 409     xml_t *p_xml = NULL;
 410     xml_reader_t *p_xml_reader = NULL;
 411
 412     char *psz_eltname = NULL;
 413     char *psz_eltvalue = NULL;
 414     char *psz_feed = NULL;
 415     char *psz_buffer = NULL;
 416     char *psz_buffer_2 = NULL;
 417
 418     int i_feed;
 419     int i_item;
 420     int i_is_item;
 421     int i_int;
 422
 423     FreeRSS( p_filter );
 424     p_sys->i_feeds = 1;
 425     i_int = 0;
 426     while( p_sys->psz_urls[i_int] != 0 )
 427         if( p_sys->psz_urls[i_int++] == '|' )
 428             p_sys->i_feeds++;
 429     p_sys->p_feeds = (struct rss_feed_t *)malloc( p_sys->i_feeds
 430                                 * sizeof( struct rss_feed_t ) );
 431
 432     p_xml = xml_Create( p_filter );
 433     if( !p_xml )
 434     {
 435         msg_Err( p_filter, "Failed to open XML parser" );
 436         return 1;
 437     }
 438
 439     psz_buffer = strdup( p_sys->psz_urls );
 440     psz_buffer_2 = psz_buffer; /* keep track so we can free it */
 441     for( i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
 442     {
 443         struct rss_feed_t *p_feed = p_sys->p_feeds+i_feed;
 444
 445         if( psz_buffer == NULL ) break;
 446         if( psz_buffer[0] == 0 ) psz_buffer++;
 447         psz_feed = psz_buffer;
 448         psz_buffer = strchr( psz_buffer, '|' );
 449         if( psz_buffer != NULL ) psz_buffer[0] = 0;
 450
 451         p_feed->psz_title = NULL;
 452         p_feed->psz_description = NULL;
 453         p_feed->psz_link = NULL;
 454         p_feed->i_items = 0;
 455         p_feed->p_items = NULL;
 456
 457         msg_Dbg( p_filter, "Opening %s RSS feed ...", psz_feed );
 458
 459         p_stream = stream_UrlNew( p_filter, psz_feed );
 460         if( !p_stream )
 461         {
 462             msg_Err( p_filter, "Failed to open %s for reading", psz_feed );
 463             return 1;
 464         }
 465
 466         p_xml_reader = xml_ReaderCreate( p_xml, p_stream );
 467         if( !p_xml_reader )
 468         {
 469             msg_Err( p_filter, "Failed to open %s for parsing", psz_feed );
 470             return 1;
 471         }
 472
 473         i_item = 0;
 474         i_is_item = VLC_FALSE;
 475
 476         while( xml_ReaderRead( p_xml_reader ) == 1 )
 477         {
 478             switch( xml_ReaderNodeType( p_xml_reader ) )
 479             {
 480                 // Error
 481                 case -1:
 482                     return 1;
 483
 484                 case XML_READER_STARTELEM:
 485                     if( psz_eltname )
 486                     {
 487                         free( psz_eltname );
 488                         psz_eltname = NULL;
 489                     }
 490                     psz_eltname = xml_ReaderName( p_xml_reader );
 491                     if( !psz_eltname )
 492                     {
 493                         return 1;
 494                     }
 495 #                   ifdef RSS_DEBUG
 496                     msg_Dbg( p_filter, "element name : %s", psz_eltname );
 497 #                   endif
 498                     if( !strcmp( psz_eltname, "item" ) )
 499                     {
 500                         i_is_item = VLC_TRUE;
 501                         p_feed->i_items++;
 502                         p_feed->p_items = (struct rss_item_t *)realloc( p_feed->p_items, p_feed->i_items * sizeof( struct rss_item_t ) );
 503                         p_feed->p_items[p_feed->i_items-1].psz_title = NULL;
 504                         p_feed->p_items[p_feed->i_items-1].psz_description
 505                                                                      = NULL;
 506                         p_feed->p_items[p_feed->i_items-1].psz_link = NULL;
 507                     }
 508                     break;
 509
 510                 case XML_READER_ENDELEM:
 511                     if( psz_eltname )
 512                     {
 513                         free( psz_eltname );
 514                         psz_eltname = NULL;
 515                     }
 516                     psz_eltname = xml_ReaderName( p_xml_reader );
 517                     if( !psz_eltname )
 518                     {
 519                         return 1;
 520                     }
 521 #                   ifdef RSS_DEBUG
 522                     msg_Dbg( p_filter, "element end : %s", psz_eltname );
 523 #                   endif
 524                     if( !strcmp( psz_eltname, "item" ) )
 525                     {
 526                         i_is_item = VLC_FALSE;
 527                         i_item++;
 528                     }
 529                     free( psz_eltname );
 530                     psz_eltname = NULL;
 531                     break;
 532
 533                 case XML_READER_TEXT:
 534                     psz_eltvalue = xml_ReaderValue( p_xml_reader );
 535                     if( !psz_eltvalue )
 536                     {
 537                         return 1;
 538                     }
 539 #                   ifdef RSS_DEBUG
 540                     msg_Dbg( p_filter, "  text : %s", psz_eltvalue );
 541 #                   endif
 542                     if( i_is_item == VLC_FALSE )
 543                     {
 544                         if( !strcmp( psz_eltname, "title" ) )
 545                         {
 546                             p_feed->psz_title = psz_eltvalue;
 547                         }
 548                         else if( !strcmp( psz_eltname, "link" ) )
 549                         {
 550                             p_feed->psz_link = psz_eltvalue;
 551                         }
 552                         else if( !strcmp( psz_eltname, "description" ) )
 553                         {
 554                             p_feed->psz_description = psz_eltvalue;
 555                         }
 556                         else
 557                         {
 558                             free( psz_eltvalue );
 559                             psz_eltvalue = NULL;
 560                         }
 561                     }
 562                     else
 563                     {
 564                         struct rss_item_t *p_item;
 565                         p_item = p_feed->p_items+i_item;
 566                         if( !strcmp( psz_eltname, "title" ) )
 567                         {
 568                             p_item->psz_title = psz_eltvalue;
 569                         }
 570                         else if( !strcmp( psz_eltname, "link" ) )
 571                         {
 572                             p_item->psz_link = psz_eltvalue;
 573                         }
 574                         else if( !strcmp( psz_eltname, "description" ) )
 575                         {
 576                             p_item->psz_description = psz_eltvalue;
 577                         }
 578                         else
 579                         {
 580                             free( psz_eltvalue );
 581                             psz_eltvalue = NULL;
 582                         }
 583                     }
 584                     break;
 585             }
 586         }
 587
 588         if( p_xml_reader && p_xml ) xml_ReaderDelete( p_xml, p_xml_reader );
 589         if( p_stream ) stream_Delete( p_stream );
 590         msg_Dbg( p_filter, "Done with %s RSS feed.", psz_feed );
 591     }
 592     free( psz_buffer_2 );
 593     if( p_xml ) xml_Delete( p_xml );
 594
 595     return 0;
 596 }
 597
 598 /****************************************************************************
 599  * FreeRSS
 600  ***************************************************************************/
 601 static void FreeRSS( filter_t *p_filter)
 602 {
 603     filter_sys_t *p_sys = p_filter->p_sys;
 604
 605     struct rss_item_t *p_item;
 606     struct rss_feed_t *p_feed;
 607
 608     int i_feed;
 609     int i_item;
 610
 611     for( i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
 612     {
 613         p_feed = p_sys->p_feeds+i_feed;
 614         for( i_item = 0; i_item < p_feed->i_items; i_item++ )
 615         {
 616             p_item = p_feed->p_items+i_item;
 617             free( p_item->psz_title );
 618             free( p_item->psz_link );
 619             free( p_item->psz_description );
 620         }
 621         free( p_feed->p_items );
 622         free( p_feed->psz_title);
 623         free( p_feed->psz_link );
 624         free( p_feed->psz_description );
 625     }
 626     free( p_sys->p_feeds );
 627     p_sys->i_feeds = 0;
 628 }