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

   1 /*****************************************************************************
   2  * shout.c:  Shoutcast services discovery module
   3  *****************************************************************************
   4  * Copyright (C) 2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Sigmund Augdal Helberg <dnumgis@videolan.org>
   8  *          Antoine Cellerier <dionoea -@T- videolan -d.t- org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Includes
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31 #include <vlc/intf.h>
  32 #include <vlc_interaction.h>
  33
  34 #include <vlc/input.h>
  35
  36 #include "network.h"
  37
  38 #include <errno.h>                                                 /* ENOMEM */
  39
  40 #ifdef HAVE_UNISTD_H
  41 #    include <unistd.h>
  42 #endif
  43 #ifdef HAVE_SYS_TIME_H
  44 #    include <sys/time.h>
  45 #endif
  46
  47 /************************************************************************
  48  * Macros and definitions
  49  ************************************************************************/
  50
  51 #define MAX_LINE_LENGTH 256
  52 #define SHOUTCAST_BASE_URL "http/shout-winamp://www.shoutcast.com/sbin/newxml.phtml"
  53 #define SHOUTCAST_TV_BASE_URL "http/shout-winamp://www.shoutcast.com/sbin/newtvlister.phtml?alltv=1"
  54
  55 /*****************************************************************************
  56  * Module descriptor
  57  *****************************************************************************/
  58
  59 /* Callbacks */
  60     static int  Open ( vlc_object_t *, int );
  61     static int  OpenRadio ( vlc_object_t * );
  62     static int  OpenTV ( vlc_object_t * );
  63     static void Close( vlc_object_t * );
  64
  65 vlc_module_begin();
  66     set_shortname( "Shoutcast");
  67     set_description( _("Shoutcast radio listings") );
  68     add_shortcut( "shoutcast" );
  69     set_category( CAT_PLAYLIST );
  70     set_subcategory( SUBCAT_PLAYLIST_SD );
  71
  72     add_suppressed_integer( "shoutcast-limit" );
  73
  74     set_capability( "services_discovery", 0 );
  75     set_callbacks( OpenRadio, Close );
  76
  77     add_submodule();
  78         set_shortname( "ShoutcastTV" );
  79         set_description( _("Shoutcast TV listings") );
  80         set_capability( "services_discovery", 0 );
  81         set_callbacks( OpenTV, Close );
  82         add_shortcut( "shoutcasttv" );
  83
  84 vlc_module_end();
  85
  86
  87 /*****************************************************************************
  88  * Local structures
  89  *****************************************************************************/
  90
  91 struct services_discovery_sys_t
  92 {
  93     playlist_item_t *p_node_cat,*p_node_one;
  94     input_item_t *p_input;
  95     vlc_bool_t b_dialog;
  96 };
  97
  98 #define RADIO 0
  99 #define TV 1
 100
 101 /*****************************************************************************
 102  * Local prototypes
 103  *****************************************************************************/
 104
 105 /* Main functions */
 106     static void Run    ( services_discovery_t *p_intf );
 107
 108 static int OpenRadio( vlc_object_t *p_this )
 109 {
 110     return Open( p_this, RADIO );
 111 }
 112
 113 static int OpenTV( vlc_object_t *p_this )
 114 {
 115     return Open( p_this, TV );
 116 }
 117
 118 /*****************************************************************************
 119  * Open: initialize and create stuff
 120  *****************************************************************************/
 121 static int Open( vlc_object_t *p_this, int i_type )
 122 {
 123     services_discovery_t *p_sd = ( services_discovery_t* )p_this;
 124     services_discovery_sys_t *p_sys  = malloc(
 125                                     sizeof( services_discovery_sys_t ) );
 126
 127     vlc_value_t         val;
 128     playlist_t          *p_playlist;
 129     playlist_view_t     *p_view;
 130
 131     p_sd->pf_run = Run;
 132     p_sd->p_sys  = p_sys;
 133
 134     /* Create our playlist node */
 135     p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,
 136                                                 FIND_ANYWHERE );
 137     if( !p_playlist )
 138     {
 139         msg_Warn( p_sd, "unable to find playlist, cancelling");
 140         return VLC_EGENERIC;
 141     }
 142
 143     switch( i_type )
 144     {
 145         case TV:
 146             p_sys->p_input = input_ItemNewExt( p_playlist,
 147                                 SHOUTCAST_TV_BASE_URL, _("Shoutcast TV"),
 148                                 0, NULL, -1 );
 149             break;
 150         case RADIO:
 151         default:
 152             p_sys->p_input = input_ItemNewExt( p_playlist,
 153                                 SHOUTCAST_BASE_URL, _("Shoutcast"),
 154                                 0, NULL, -1 );
 155             break;
 156     }
 157     p_sys->p_input->b_prefers_tree = VLC_TRUE;
 158     p_sys->p_node_cat = playlist_NodeAddInput( p_playlist, p_sys->p_input,
 159                            p_playlist->p_root_category,
 160                            PLAYLIST_APPEND, PLAYLIST_END );
 161     p_sys->p_node_one = playlist_NodeAddInput( p_playlist, p_sys->p_input,
 162                            p_playlist->p_root_onelevel,
 163                            PLAYLIST_APPEND, PLAYLIST_END );
 164     p_sys->p_node_cat->i_flags |= PLAYLIST_RO_FLAG;
 165     p_sys->p_node_cat->i_flags |= PLAYLIST_SKIP_FLAG;
 166     p_sys->p_node_one->i_flags |= PLAYLIST_RO_FLAG;
 167     p_sys->p_node_one->i_flags |= PLAYLIST_SKIP_FLAG;
 168     p_sys->p_node_one->p_input->i_id = p_sys->p_node_cat->p_input->i_id;
 169
 170     val.b_bool = VLC_TRUE;
 171     var_Set( p_playlist, "intf-change", val );
 172
 173     vlc_object_release( p_playlist );
 174
 175     return VLC_SUCCESS;
 176 }
 177
 178 /*****************************************************************************
 179  * Close:
 180  *****************************************************************************/
 181 static void Close( vlc_object_t *p_this )
 182 {
 183     services_discovery_t *p_sd = ( services_discovery_t* )p_this;
 184     services_discovery_sys_t *p_sys  = p_sd->p_sys;
 185     playlist_t *p_playlist =  (playlist_t *) vlc_object_find( p_sd,
 186                                  VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
 187     if( p_playlist )
 188     {
 189         playlist_NodeDelete( p_playlist, p_sys->p_node_cat, VLC_TRUE, VLC_TRUE );
 190         playlist_NodeDelete( p_playlist, p_sys->p_node_one, VLC_TRUE, VLC_TRUE );
 191         vlc_object_release( p_playlist );
 192     }
 193     free( p_sys );
 194 }
 195
 196 /*****************************************************************************
 197  * Run: main thread
 198  *****************************************************************************/
 199 static void Run( services_discovery_t *p_sd )
 200 {
 201     services_discovery_sys_t *p_sys  = p_sd->p_sys;
 202     int i_id = input_Read( p_sd, p_sys->p_input, VLC_FALSE );
 203     int i_dialog_id;
 204
 205     i_dialog_id = intf_UserProgress( p_sd, "Shoutcast" ,
 206                                      _("Connecting...") , 0.0, 0 );
 207
 208     p_sys->b_dialog = VLC_TRUE;
 209     while( !p_sd->b_die )
 210     {
 211         input_thread_t *p_input = (input_thread_t *)vlc_object_get( p_sd,
 212                                                                     i_id );
 213
 214         /* The Shoutcast server does not return a content-length so we
 215          * can't know where we are. Use the number of inserted items
 216          * as a hint */
 217         if( p_input != NULL )
 218         {
 219             int i_state = var_GetInteger( p_input, "state" );
 220             if( i_state == PLAYING_S )
 221             {
 222                 float f_pos = (float)(p_sys->p_node_cat->i_children)* 2 *100.0 /
 223                               260 /* gruiiik FIXME */;
 224                 intf_ProgressUpdate( p_sd, i_dialog_id, "Downloading",
 225                                      f_pos, 0 );
 226             }
 227             vlc_object_release( p_input );
 228         }
 229         else if( p_sys->b_dialog )
 230         {
 231             p_sys->b_dialog  = VLC_FALSE;
 232             intf_UserHide( p_sd, i_dialog_id );
 233         }
 234         msleep( 10000 );
 235     }
 236 }