1 /*****************************************************************************
2 * podcast.c: Podcast services discovery module
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
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.
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.
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 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
33 #include <vlc_playlist.h>
34 #include <vlc_network.h>
36 #include <errno.h> /* ENOMEM */
41 #ifdef HAVE_SYS_TIME_H
42 # include <sys/time.h>
45 /************************************************************************
46 * Macros and definitions
47 ************************************************************************/
49 /*****************************************************************************
51 *****************************************************************************/
54 static int Open ( vlc_object_t * );
55 static void Close( vlc_object_t * );
57 #define URLS_TEXT N_("Podcast URLs list")
58 #define URLS_LONGTEXT N_("Enter the list of podcasts to retrieve, " \
59 "separated by '|' (pipe)." )
62 set_shortname( "Podcast");
63 set_description( _("Podcasts") );
64 set_category( CAT_PLAYLIST );
65 set_subcategory( SUBCAT_PLAYLIST_SD );
67 add_string( "podcast-urls", NULL, NULL,
68 URLS_TEXT, URLS_LONGTEXT, VLC_FALSE );
71 set_capability( "services_discovery", 0 );
72 set_callbacks( Open, Close );
77 /*****************************************************************************
79 *****************************************************************************/
81 struct services_discovery_sys_t
84 input_thread_t **pp_input;
93 /*****************************************************************************
95 *****************************************************************************/
96 static void Run( services_discovery_t *p_intf );
97 static int UrlsChange( vlc_object_t *, char const *, vlc_value_t,
98 vlc_value_t, void * );
99 static void ParseUrls( services_discovery_t *p_sd, char *psz_urls );
101 /*****************************************************************************
102 * Open: initialize and create stuff
103 *****************************************************************************/
104 static int Open( vlc_object_t *p_this )
106 services_discovery_t *p_sd = ( services_discovery_t* )p_this;
107 services_discovery_sys_t *p_sys = malloc(
108 sizeof( services_discovery_sys_t ) );
111 p_sys->ppsz_urls = NULL;
113 p_sys->pp_input = NULL;
114 p_sys->b_update = VLC_TRUE;
120 services_discovery_SetLocalizedName( p_sd, _("Podcasts") );
125 /*****************************************************************************
127 *****************************************************************************/
128 static void Close( vlc_object_t *p_this )
130 services_discovery_t *p_sd = ( services_discovery_t* )p_this;
131 services_discovery_sys_t *p_sys = p_sd->p_sys;
133 for( i = 0; i < p_sys->i_input; i++ )
135 if( p_sd->p_sys->pp_input[i] )
137 input_StopThread( p_sd->p_sys->pp_input[i] );
138 input_DestroyThread( p_sd->p_sys->pp_input[i] );
139 p_sd->p_sys->pp_input[i] = NULL;
142 free( p_sd->p_sys->pp_input );
143 for( i = 0; i < p_sys->i_urls; i++ ) free( p_sys->ppsz_urls[i] );
144 free( p_sys->ppsz_urls );
148 /*****************************************************************************
150 *****************************************************************************/
151 static void Run( services_discovery_t *p_sd )
153 services_discovery_sys_t *p_sys = p_sd->p_sys;
155 char *psz_urls = var_CreateGetString( p_sd, "podcast-urls" );
156 free( psz_urls ); /* Gruik ? */
157 var_AddCallback( p_sd, "podcast-urls", UrlsChange, p_sys );
159 while( !p_sd->b_die )
162 if( p_sys->b_update == VLC_TRUE )
164 msg_Dbg( p_sd, "Update required" );
165 psz_urls = var_GetNonEmptyString( p_sd, "podcast-urls" );
166 if( psz_urls != NULL )
167 ParseUrls( p_sd, psz_urls );
169 p_sys->b_update = VLC_FALSE;
172 for( i = 0; i < p_sd->p_sys->i_input; i++ )
174 if( p_sd->p_sys->pp_input[i]->b_eof
175 || p_sd->p_sys->pp_input[i]->b_error )
177 input_StopThread( p_sd->p_sys->pp_input[i] );
178 input_DestroyThread( p_sd->p_sys->pp_input[i] );
179 p_sd->p_sys->pp_input[i] = NULL;
180 REMOVE_ELEM( p_sys->pp_input, p_sys->i_input, i );
188 static int UrlsChange( vlc_object_t *p_this, char const *psz_var,
189 vlc_value_t oldval, vlc_value_t newval,
192 VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
194 services_discovery_sys_t *p_sys = (services_discovery_sys_t *)p_data;
195 p_sys->b_update = VLC_TRUE;
199 static void ParseUrls( services_discovery_t *p_sd, char *psz_urls )
201 services_discovery_sys_t *p_sys = p_sd->p_sys;
205 char *psz_tok = strchr( psz_urls, '|' );
206 if( psz_tok ) *psz_tok = '\0';
207 for( i = 0; i < p_sys->i_urls; i++ )
208 if( !strcmp( psz_urls, p_sys->ppsz_urls[i] ) )
210 if( i == p_sys->i_urls )
212 /* Only add new urls.
213 * FIXME: We don't delete urls which have been removed from
214 * the config since we don't have a way to know which inputs
216 input_item_t *p_input;
217 INSERT_ELEM( p_sys->ppsz_urls, p_sys->i_urls, p_sys->i_urls,
218 strdup( psz_urls ) );
219 p_input = input_ItemNewExt( p_sd, psz_urls,
220 psz_urls, 0, NULL, -1 );
221 input_ItemAddOption( p_input, "demux=podcast" );
222 services_discovery_AddItem( p_sd, p_input, NULL /* no cat */ );
223 INSERT_ELEM( p_sys->pp_input, p_sys->i_input, p_sys->i_input,
224 input_CreateThread( p_sd, p_input ) );
226 if( psz_tok ) psz_urls = psz_tok+1;