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 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_playlist.h>
35 #include <vlc_network.h>
37 #include <errno.h> /* ENOMEM */
42 #ifdef HAVE_SYS_TIME_H
43 # include <sys/time.h>
46 /************************************************************************
47 * Macros and definitions
48 ************************************************************************/
50 /*****************************************************************************
52 *****************************************************************************/
55 static int Open ( vlc_object_t * );
56 static void Close( vlc_object_t * );
58 #define URLS_TEXT N_("Podcast URLs list")
59 #define URLS_LONGTEXT N_("Enter the list of podcasts to retrieve, " \
60 "separated by '|' (pipe)." )
63 set_shortname( "Podcast");
64 set_description( N_("Podcasts") );
65 set_category( CAT_PLAYLIST );
66 set_subcategory( SUBCAT_PLAYLIST_SD );
68 add_string( "podcast-urls", NULL, NULL,
69 URLS_TEXT, URLS_LONGTEXT, false );
72 set_capability( "services_discovery", 0 );
73 set_callbacks( Open, Close );
78 /*****************************************************************************
80 *****************************************************************************/
82 struct services_discovery_sys_t
85 input_thread_t **pp_input;
94 /*****************************************************************************
96 *****************************************************************************/
97 static void Run( services_discovery_t *p_intf );
98 static int UrlsChange( vlc_object_t *, char const *, vlc_value_t,
99 vlc_value_t, void * );
100 static void ParseUrls( services_discovery_t *p_sd, char *psz_urls );
102 /*****************************************************************************
103 * Open: initialize and create stuff
104 *****************************************************************************/
105 static int Open( vlc_object_t *p_this )
107 services_discovery_t *p_sd = ( services_discovery_t* )p_this;
108 services_discovery_sys_t *p_sys = malloc(
109 sizeof( services_discovery_sys_t ) );
114 p_sys->ppsz_urls = NULL;
116 p_sys->pp_input = NULL;
117 p_sys->b_update = true;
123 services_discovery_SetLocalizedName( p_sd, _("Podcasts") );
128 /*****************************************************************************
130 *****************************************************************************/
131 static void Close( vlc_object_t *p_this )
133 services_discovery_t *p_sd = ( services_discovery_t* )p_this;
134 services_discovery_sys_t *p_sys = p_sd->p_sys;
136 for( i = 0; i < p_sys->i_input; i++ )
138 if( p_sd->p_sys->pp_input[i] )
140 input_StopThread( p_sd->p_sys->pp_input[i] );
141 vlc_object_release( p_sd->p_sys->pp_input[i] );
142 p_sd->p_sys->pp_input[i] = NULL;
145 free( p_sd->p_sys->pp_input );
146 for( i = 0; i < p_sys->i_urls; i++ ) free( p_sys->ppsz_urls[i] );
147 free( p_sys->ppsz_urls );
151 /*****************************************************************************
153 *****************************************************************************/
154 static void Run( services_discovery_t *p_sd )
156 services_discovery_sys_t *p_sys = p_sd->p_sys;
158 char *psz_urls = var_CreateGetString( p_sd, "podcast-urls" );
159 free( psz_urls ); /* Gruik ? */
160 var_AddCallback( p_sd, "podcast-urls", UrlsChange, p_sys );
162 while( vlc_object_alive (p_sd) )
165 if( p_sys->b_update == true )
167 msg_Dbg( p_sd, "Update required" );
168 psz_urls = var_GetNonEmptyString( p_sd, "podcast-urls" );
169 if( psz_urls != NULL )
170 ParseUrls( p_sd, psz_urls );
172 p_sys->b_update = false;
175 for( i = 0; i < p_sd->p_sys->i_input; i++ )
177 if( p_sd->p_sys->pp_input[i]->b_eof
178 || p_sd->p_sys->pp_input[i]->b_error )
180 input_StopThread( p_sd->p_sys->pp_input[i] );
181 vlc_object_release( p_sd->p_sys->pp_input[i] );
182 p_sd->p_sys->pp_input[i] = NULL;
183 REMOVE_ELEM( p_sys->pp_input, p_sys->i_input, i );
191 static int UrlsChange( vlc_object_t *p_this, char const *psz_var,
192 vlc_value_t oldval, vlc_value_t newval,
195 VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
197 services_discovery_sys_t *p_sys = (services_discovery_sys_t *)p_data;
198 p_sys->b_update = true;
202 static void ParseUrls( services_discovery_t *p_sd, char *psz_urls )
204 services_discovery_sys_t *p_sys = p_sd->p_sys;
208 char *psz_tok = strchr( psz_urls, '|' );
209 if( psz_tok ) *psz_tok = '\0';
210 for( i = 0; i < p_sys->i_urls; i++ )
211 if( !strcmp( psz_urls, p_sys->ppsz_urls[i] ) )
213 if( i == p_sys->i_urls )
215 /* Only add new urls.
216 * FIXME: We don't delete urls which have been removed from
217 * the config since we don't have a way to know which inputs
219 input_item_t *p_input;
220 INSERT_ELEM( p_sys->ppsz_urls, p_sys->i_urls, p_sys->i_urls,
221 strdup( psz_urls ) );
222 p_input = input_ItemNewExt( p_sd, psz_urls,
223 psz_urls, 0, NULL, -1 );
224 input_ItemAddOption( p_input, "demux=podcast" );
225 services_discovery_AddItem( p_sd, p_input, NULL /* no cat */ );
226 INSERT_ELEM( p_sys->pp_input, p_sys->i_input, p_sys->i_input,
227 input_CreateThread( p_sd, p_input ) );
229 if( psz_tok ) psz_urls = psz_tok+1;