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 *****************************************************************************/
29 #include <vlc_playlist.h>
30 #include <vlc_network.h>
32 #include <errno.h> /* ENOMEM */
37 #ifdef HAVE_SYS_TIME_H
38 # include <sys/time.h>
41 /************************************************************************
42 * Macros and definitions
43 ************************************************************************/
45 /*****************************************************************************
47 *****************************************************************************/
50 static int Open ( vlc_object_t * );
51 static void Close( vlc_object_t * );
53 #define URLS_TEXT N_("Podcast URLs list")
54 #define URLS_LONGTEXT N_("Enter the list of podcasts to retrieve, " \
55 "separated by '|' (pipe)." )
58 set_shortname( "Podcast");
59 set_description( _("Podcasts") );
60 set_category( CAT_PLAYLIST );
61 set_subcategory( SUBCAT_PLAYLIST_SD );
63 add_string( "podcast-urls", NULL, NULL,
64 URLS_TEXT, URLS_LONGTEXT, VLC_FALSE );
67 set_capability( "services_discovery", 0 );
68 set_callbacks( Open, Close );
73 /*****************************************************************************
75 *****************************************************************************/
77 struct services_discovery_sys_t
80 input_thread_t **pp_input;
89 /*****************************************************************************
91 *****************************************************************************/
92 static void Run( services_discovery_t *p_intf );
93 static int UrlsChange( vlc_object_t *, char const *, vlc_value_t,
94 vlc_value_t, void * );
95 static void ParseUrls( services_discovery_t *p_sd, char *psz_urls );
97 /*****************************************************************************
98 * Open: initialize and create stuff
99 *****************************************************************************/
100 static int Open( vlc_object_t *p_this )
102 services_discovery_t *p_sd = ( services_discovery_t* )p_this;
103 services_discovery_sys_t *p_sys = malloc(
104 sizeof( services_discovery_sys_t ) );
107 p_sys->ppsz_urls = NULL;
109 p_sys->pp_input = NULL;
110 p_sys->b_update = VLC_TRUE;
116 services_discovery_SetLocalizedName( p_sd, _("Podcasts") );
121 /*****************************************************************************
123 *****************************************************************************/
124 static void Close( vlc_object_t *p_this )
126 services_discovery_t *p_sd = ( services_discovery_t* )p_this;
127 services_discovery_sys_t *p_sys = p_sd->p_sys;
129 for( i = 0; i < p_sys->i_input; i++ )
131 if( p_sd->p_sys->pp_input[i] )
133 input_StopThread( p_sd->p_sys->pp_input[i] );
134 input_DestroyThread( p_sd->p_sys->pp_input[i] );
135 p_sd->p_sys->pp_input[i] = NULL;
138 free( p_sd->p_sys->pp_input );
139 for( i = 0; i < p_sys->i_urls; i++ ) free( p_sys->ppsz_urls[i] );
140 free( p_sys->ppsz_urls );
144 /*****************************************************************************
146 *****************************************************************************/
147 static void Run( services_discovery_t *p_sd )
149 services_discovery_sys_t *p_sys = p_sd->p_sys;
151 char *psz_urls = var_CreateGetString( p_sd, "podcast-urls" );
152 free( psz_urls ); /* Gruik ? */
153 var_AddCallback( p_sd, "podcast-urls", UrlsChange, p_sys );
155 while( !p_sd->b_die )
158 if( p_sys->b_update == VLC_TRUE )
160 msg_Dbg( p_sd, "Update required" );
161 psz_urls = var_GetNonEmptyString( p_sd, "podcast-urls" );
162 if( psz_urls != NULL )
163 ParseUrls( p_sd, psz_urls );
165 p_sys->b_update = VLC_FALSE;
168 for( i = 0; i < p_sd->p_sys->i_input; i++ )
170 if( p_sd->p_sys->pp_input[i]->b_eof
171 || p_sd->p_sys->pp_input[i]->b_error )
173 input_StopThread( p_sd->p_sys->pp_input[i] );
174 input_DestroyThread( p_sd->p_sys->pp_input[i] );
175 p_sd->p_sys->pp_input[i] = NULL;
176 REMOVE_ELEM( p_sys->pp_input, p_sys->i_input, i );
184 static int UrlsChange( vlc_object_t *p_this, char const *psz_var,
185 vlc_value_t oldval, vlc_value_t newval,
188 services_discovery_sys_t *p_sys = (services_discovery_sys_t *)p_data;
189 p_sys->b_update = VLC_TRUE;
193 static void ParseUrls( services_discovery_t *p_sd, char *psz_urls )
195 services_discovery_sys_t *p_sys = p_sd->p_sys;
199 char *psz_tok = strchr( psz_urls, '|' );
200 if( psz_tok ) *psz_tok = '\0';
201 for( i = 0; i < p_sys->i_urls; i++ )
202 if( !strcmp( psz_urls, p_sys->ppsz_urls[i] ) )
204 if( i == p_sys->i_urls )
206 /* Only add new urls.
207 * FIXME: We don't delete urls which have been removed from
208 * the config since we don't have a way to know which inputs
210 input_item_t *p_input;
211 INSERT_ELEM( p_sys->ppsz_urls, p_sys->i_urls, p_sys->i_urls,
212 strdup( psz_urls ) );
213 p_input = input_ItemNewExt( p_sd, psz_urls,
214 psz_urls, 0, NULL, -1 );
215 input_ItemAddOption( p_input, "demux=podcast" );
216 services_discovery_AddItem( p_sd, p_input, NULL /* no cat */ );
217 INSERT_ELEM( p_sys->pp_input, p_sys->i_input, p_sys->i_input,
218 input_CreateThread( p_sd, p_input ) );
220 if( psz_tok ) psz_urls = psz_tok+1;