1 /*****************************************************************************
2 * shout.c: Shoutcast services discovery module
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
7 * Authors: Sigmund Augdal Helberg <dnumgis@videolan.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
27 #include <stdlib.h> /* malloc(), free() */
32 #include <vlc/input.h>
36 #include <errno.h> /* ENOMEM */
41 #ifdef HAVE_SYS_TIME_H
42 # include <sys/time.h>
45 /************************************************************************
46 * Macros and definitions
47 ************************************************************************/
49 #define MAX_LINE_LENGTH 256
52 /*****************************************************************************
54 *****************************************************************************/
57 static int Open ( vlc_object_t * );
58 static void Close( vlc_object_t * );
60 #define LIMIT_TEXT N_("Maximum number of shoutcast servers to be listed")
61 #define LIMIT_LONGTEXT LIMIT_TEXT
64 set_shortname( "Shoutcast");
65 set_description( _("Shoutcast radio listings") );
66 set_category( CAT_PLAYLIST );
67 set_subcategory( SUBCAT_PLAYLIST_SD );
69 add_integer( "shoutcast-limit", 1000, NULL, LIMIT_TEXT,
70 LIMIT_LONGTEXT, VLC_TRUE );
72 set_capability( "services_discovery", 0 );
73 set_callbacks( Open, Close );
78 /*****************************************************************************
80 *****************************************************************************/
82 struct services_discovery_sys_t
85 playlist_item_t *p_node;
86 input_thread_t *p_input;
90 /*****************************************************************************
92 *****************************************************************************/
95 static void Run ( services_discovery_t *p_intf );
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 playlist_t *p_playlist;
108 playlist_view_t *p_view;
109 playlist_item_t *p_item;
112 char *psz_shoutcast_url;
113 char *psz_shoutcast_title;
118 /* Create our playlist node */
119 p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,
123 msg_Warn( p_sd, "unable to find playlist, cancelling");
127 i_limit = config_GetInt( p_this->p_libvlc, "shoutcast-limit" );
128 #define SHOUTCAST_BASE_URL "http/shout-b4s://www.shoutcast.com/sbin/xmllister.phtml?service=vlc&no_compress=1&limit="
129 psz_shoutcast_url = (char *)malloc( strlen( SHOUTCAST_BASE_URL ) + 20 );
130 psz_shoutcast_title = (char *)malloc( 6 + 20 );
132 sprintf( psz_shoutcast_url, SHOUTCAST_BASE_URL "%d", i_limit );
133 sprintf( psz_shoutcast_title, "Top %d", i_limit );
135 p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );
136 p_sys->p_node = playlist_NodeCreate( p_playlist, VIEW_CATEGORY,
137 _("Shoutcast"), p_view->p_root );
138 p_item = playlist_ItemNew( p_playlist, psz_shoutcast_url,
139 psz_shoutcast_title );
140 free( psz_shoutcast_url );
141 free( psz_shoutcast_title );
142 playlist_NodeAddItem( p_playlist, p_item,
143 p_sys->p_node->pp_parents[0]->i_view,
144 p_sys->p_node, PLAYLIST_APPEND,
147 /* We need to declare the parents of the node as the same of the
149 playlist_CopyParents( p_sys->p_node, p_item );
152 p_sys->p_input = input_CreateThread( p_playlist, &p_item->input );
154 p_sys->p_node->i_flags |= PLAYLIST_RO_FLAG;
155 val.b_bool = VLC_TRUE;
156 var_Set( p_playlist, "intf-change", val );
158 vlc_object_release( p_playlist );
163 /*****************************************************************************
165 *****************************************************************************/
166 static void Close( vlc_object_t *p_this )
168 services_discovery_t *p_sd = ( services_discovery_t* )p_this;
169 services_discovery_sys_t *p_sys = p_sd->p_sys;
170 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_sd,
171 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
172 if( p_sd->p_sys->p_input )
174 input_StopThread( p_sd->p_sys->p_input );
175 input_DestroyThread( p_sd->p_sys->p_input );
176 vlc_object_detach( p_sd->p_sys->p_input );
177 vlc_object_destroy( p_sd->p_sys->p_input );
178 p_sd->p_sys->p_input = NULL;
182 playlist_NodeDelete( p_playlist, p_sys->p_node, VLC_TRUE, VLC_TRUE );
183 vlc_object_release( p_playlist );
188 /*****************************************************************************
190 *****************************************************************************/
191 static void Run( services_discovery_t *p_sd )
193 while( !p_sd->b_die )
195 if( p_sd->p_sys->p_input &&
196 ( p_sd->p_sys->p_input->b_eof || p_sd->p_sys->p_input->b_error ) )
198 input_StopThread( p_sd->p_sys->p_input );
199 input_DestroyThread( p_sd->p_sys->p_input );
200 vlc_object_detach( p_sd->p_sys->p_input );
201 vlc_object_destroy( p_sd->p_sys->p_input );
202 p_sd->p_sys->p_input = NULL;