git.sesse.net Git - vlc/blob - modules/services_discovery/shout.c

   1 /*****************************************************************************
   2  * sap.c :  SAP interface module
   3  *****************************************************************************
   4  * Copyright (C) 2004 VideoLAN
   5  * $Id: sap.c 9217 2004-11-07 11:02:59Z courmisch $
   6  *
   7  * Authors: Clément Stenac <zorglub@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  * Includes
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/intf.h>
  31
  32 #include <vlc/input.h>
  33
  34 #include "network.h"
  35
  36 #include <errno.h>                                                 /* ENOMEM */
  37
  38 #ifdef HAVE_UNISTD_H
  39 #    include <unistd.h>
  40 #endif
  41 #ifdef HAVE_SYS_TIME_H
  42 #    include <sys/time.h>
  43 #endif
  44
  45 /************************************************************************
  46  * Macros and definitions
  47  ************************************************************************/
  48
  49 #define MAX_LINE_LENGTH 256
  50
  51
  52 /*****************************************************************************
  53  * Module descriptor
  54  *****************************************************************************/
  55
  56 /* Callbacks */
  57     static int  Open ( vlc_object_t * );
  58     static void Close( vlc_object_t * );
  59
  60 vlc_module_begin();
  61     set_description( _("HAL device detection") );
  62     set_category( CAT_PLAYLIST );
  63     set_subcategory( SUBCAT_PLAYLIST_SD );
  64
  65     set_capability( "services_discovery", 0 );
  66     set_callbacks( Open, Close );
  67
  68 vlc_module_end();
  69
  70
  71 /*****************************************************************************
  72  * Local structures
  73  *****************************************************************************/
  74
  75 struct services_discovery_sys_t
  76 {
  77     /* playlist node */
  78     playlist_item_t *p_node;
  79     input_thread_t *p_input;
  80
  81 };
  82
  83 /*****************************************************************************
  84  * Local prototypes
  85  *****************************************************************************/
  86
  87 /* Main functions */
  88     static void Run    ( services_discovery_t *p_intf );
  89
  90 /*****************************************************************************
  91  * Open: initialize and create stuff
  92  *****************************************************************************/
  93 static int Open( vlc_object_t *p_this )
  94 {
  95     services_discovery_t *p_sd = ( services_discovery_t* )p_this;
  96     services_discovery_sys_t *p_sys  = malloc(
  97                                     sizeof( services_discovery_sys_t ) );
  98
  99     vlc_value_t         val;
 100     playlist_t          *p_playlist;
 101     playlist_view_t     *p_view;
 102     playlist_item_t     *p_item;
 103
 104     p_sd->pf_run = Run;
 105     p_sd->p_sys  = p_sys;
 106
 107     /* Create our playlist node */
 108     p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,
 109                                                 FIND_ANYWHERE );
 110     if( !p_playlist )
 111     {
 112         msg_Warn( p_sd, "unable to find playlist, cancelling");
 113         return VLC_EGENERIC;
 114     }
 115
 116     p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );
 117     p_sys->p_node = playlist_NodeCreate( p_playlist, VIEW_CATEGORY,
 118                                          _("Shoutcast"), p_view->p_root );
 119     p_item = playlist_ItemNew( p_playlist, "http/shout-b4s://shoutcast.com/sbin/xmllister.phtml?service=vlc&no_compress=1&limit=1000", "Top 1000" );
 120     playlist_NodeAddItem( p_playlist, p_item,
 121                           p_sys->p_node->pp_parents[0]->i_view,
 122                           p_sys->p_node, PLAYLIST_APPEND,
 123                           PLAYLIST_END );
 124
 125     p_sys->p_input = input_CreateThread( p_playlist, &p_item->input );
 126     /* We need to declare the parents of the node as the same of the
 127      * parent's ones */
 128     playlist_CopyParents( p_sys->p_node, p_item );
 129
 130     p_sys->p_node->i_flags |= PLAYLIST_RO_FLAG;
 131     val.b_bool = VLC_TRUE;
 132     var_Set( p_playlist, "intf-change", val );
 133
 134     vlc_object_release( p_playlist );
 135
 136     return VLC_SUCCESS;
 137 }
 138
 139 /*****************************************************************************
 140  * Close:
 141  *****************************************************************************/
 142 static void Close( vlc_object_t *p_this )
 143 {
 144     services_discovery_t *p_sd = ( services_discovery_t* )p_this;
 145     services_discovery_sys_t *p_sys  = p_sd->p_sys;
 146     playlist_t *p_playlist =  (playlist_t *) vlc_object_find( p_sd,
 147                                  VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 148     if( p_playlist )
 149     {
 150         playlist_NodeDelete( p_playlist, p_sys->p_node, VLC_TRUE, VLC_TRUE );
 151         vlc_object_release( p_playlist );
 152     }
 153     if( p_sd->p_sys->p_input )
 154     {
 155         input_StopThread( p_sd->p_sys->p_input );
 156         input_DestroyThread( p_sd->p_sys->p_input );
 157         vlc_object_detach( p_sd->p_sys->p_input );
 158         vlc_object_destroy( p_sd->p_sys->p_input );
 159         p_sd->p_sys->p_input = NULL;
 160     }
 161     free( p_sys );
 162 }
 163
 164 /*****************************************************************************
 165  * Run: main thread
 166  *****************************************************************************/
 167 static void Run( services_discovery_t *p_sd )
 168 {
 169     while( !p_sd->b_die )
 170     {
 171         if( p_sd->p_sys->p_input &&
 172             ( p_sd->p_sys->p_input->b_eof || p_sd->p_sys->p_input->b_error ) )
 173         {
 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;
 179         }
 180         msleep( 100000 );
 181     }
 182 }