1 /*****************************************************************************
2 * shoutcast.c: Winamp >=5.2 shoutcast demuxer
3 *****************************************************************************
4 * Copyright (C) 2006 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea -@t- videolan -Dot- org>
8 * based on b4s.c by Sigmund Augdal Helberg <dnumgis@videolan.org>
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.
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.
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 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
28 #include <ctype.h> /* isspace() */
31 #include <vlc/input.h>
34 #include <errno.h> /* ENOMEM */
40 playlist_t *p_playlist;
41 playlist_item_t *p_current;
42 playlist_item_t *p_item_in_category;
45 xml_reader_t *p_xml_reader;
50 /* duplicate from modules/services_discovery/shout.c */
51 #define SHOUTCAST_BASE_URL "http/shout-winamp://www.shoutcast.com/sbin/newxml.phtml"
52 #define SHOUTCAST_TUNEIN_BASE_URL "http://www.shoutcast.com"
53 #define SHOUTCAST_TV_TUNEIN_URL "http://www.shoutcast.com/sbin/tunein-tvstation.pls?id="
55 /*****************************************************************************
57 *****************************************************************************/
58 static int Demux( demux_t *p_demux);
59 static int Control( demux_t *p_demux, int i_query, va_list args );
61 static int DemuxGenre( demux_t *p_demux );
62 static int DemuxStation( demux_t *p_demux );
64 /*****************************************************************************
65 * Import_Shoutcast: main import function
66 *****************************************************************************/
67 int E_(Import_Shoutcast)( vlc_object_t *p_this )
69 demux_t *p_demux = (demux_t *)p_this;
71 if( !isDemux( p_demux, "shout-winamp" ) )
74 STANDARD_DEMUX_INIT_MSG( "using shoutcast playlist reader" );
75 p_demux->p_sys->p_playlist = NULL;
76 p_demux->p_sys->p_xml = NULL;
77 p_demux->p_sys->p_xml_reader = NULL;
79 /* Do we want to list adult content ? */
80 var_Create( p_demux, "shoutcast-show-adult",
81 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
82 p_demux->p_sys->b_adult = var_GetBool( p_demux, "shoutcast-show-adult" );
87 /*****************************************************************************
88 * Deactivate: frees unused data
89 *****************************************************************************/
90 void E_(Close_Shoutcast)( vlc_object_t *p_this )
92 demux_t *p_demux = (demux_t *)p_this;
93 demux_sys_t *p_sys = p_demux->p_sys;
95 if( p_sys->p_playlist )
96 vlc_object_release( p_sys->p_playlist );
97 if( p_sys->p_xml_reader )
98 xml_ReaderDelete( p_sys->p_xml, p_sys->p_xml_reader );
100 xml_Delete( p_sys->p_xml );
104 static int Demux( demux_t *p_demux )
106 demux_sys_t *p_sys = p_demux->p_sys;
108 xml_reader_t *p_xml_reader;
109 char *psz_eltname = NULL;
111 p_sys->p_playlist = p_playlist;
112 p_sys->p_current = p_current;
113 p_sys->p_item_in_category = p_item_in_category;
115 p_xml = p_sys->p_xml = xml_Create( p_demux );
116 if( !p_xml ) return -1;
118 p_xml_reader = xml_ReaderCreate( p_xml, p_demux->s );
119 if( !p_xml_reader ) return -1;
120 p_sys->p_xml_reader = p_xml_reader;
122 /* check root node */
123 if( xml_ReaderRead( p_xml_reader ) != 1 )
125 msg_Err( p_demux, "invalid file (no root node)" );
129 if( xml_ReaderNodeType( p_xml_reader ) != XML_READER_STARTELEM ||
130 ( psz_eltname = xml_ReaderName( p_xml_reader ) ) == NULL ||
131 ( strcmp( psz_eltname, "genrelist" )
132 && strcmp( psz_eltname, "stationlist" ) ) )
134 msg_Err( p_demux, "invalid root node %i, %s",
135 xml_ReaderNodeType( p_xml_reader ), psz_eltname );
136 if( psz_eltname ) free( psz_eltname );
140 if( !strcmp( psz_eltname, "genrelist" ) )
142 /* we're reading a genre list */
144 if( DemuxGenre( p_demux ) ) return -1;
148 /* we're reading a station list */
150 if( DemuxStation( p_demux ) ) return -1;
153 HANDLE_PLAY_AND_RELEASE;
154 p_sys->p_playlist = NULL;
155 return -1; /* Needed for correct operation of go back */
158 #define GET_VALUE( a ) \
159 if( !strcmp( psz_attrname, #a ) ) \
161 psz_ ## a = strdup( psz_attrvalue ); \
164 * <genre name="the name"></genre>
168 static int DemuxGenre( demux_t *p_demux )
170 demux_sys_t *p_sys = p_demux->p_sys;
171 char *psz_name = NULL; /* genre name */
172 char *psz_eltname = NULL; /* tag name */
173 input_item_t *p_input;
175 while( xml_ReaderRead( p_sys->p_xml_reader ) == 1 )
180 i_type = xml_ReaderNodeType( p_sys->p_xml_reader );
188 case XML_READER_STARTELEM:
189 // Read the element name
190 psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
191 if( !psz_eltname ) return -1;
193 if( !strcmp( psz_eltname, "genre" ) )
195 // Read the attributes
196 while( xml_ReaderNextAttr( p_sys->p_xml_reader ) == VLC_SUCCESS )
198 char *psz_attrname = xml_ReaderName( p_sys->p_xml_reader );
199 char *psz_attrvalue =
200 xml_ReaderValue( p_sys->p_xml_reader );
201 if( !psz_attrname || !psz_attrvalue )
203 FREENULL(psz_attrname);
204 FREENULL(psz_attrvalue);
206 /*FIXME: isn't return a bit too much. what about break*/
214 "unexpected attribure %s in element %s",
215 psz_attrname,psz_eltname );
217 free( psz_attrname );
218 free( psz_attrvalue );
221 free( psz_eltname ); psz_eltname = NULL;
224 case XML_READER_TEXT:
228 case XML_READER_ENDELEM:
229 // Read the element name
230 psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
231 if( !psz_eltname ) return -1;
232 if( !strcmp( psz_eltname, "genre" ) )
234 char *psz_mrl = malloc( strlen( SHOUTCAST_BASE_URL )
235 + strlen( "?genre=" ) + strlen( psz_name ) + 1 );
236 sprintf( psz_mrl, SHOUTCAST_BASE_URL "?genre=%s",
238 p_input = input_ItemNewExt( p_sys->p_playlist, psz_mrl,
239 psz_name, 0, NULL, -1 );
240 input_ItemCopyOptions( p_sys->p_current->p_input,
243 playlist_BothAddInput( p_sys->p_playlist, p_input,
244 p_sys->p_item_in_category,
245 PLAYLIST_APPEND | PLAYLIST_SPREPARSE,
247 FREENULL( psz_name );
249 FREENULL( psz_eltname );
258 * <tunein base="/sbin/tunein-station.pls"></tunein>
259 * <station name="the name"
263 * genre="A big genre string"
264 * ct="current track name/author/..."
265 * lc="listener count"></station>
270 * <tunein base="/sbin/tunein-station.pls"></tunein>
271 * <station name="the name"
275 * load="server load ?"
276 * ct="current track name/author/..."
277 * genre="A big genre string"
278 * lc="listener count"></station>
281 static int DemuxStation( demux_t *p_demux )
283 demux_sys_t *p_sys = p_demux->p_sys;
284 input_item_t *p_input;
286 char *psz_base = NULL; /* */
288 char *psz_name = NULL; /* genre name */
289 char *psz_mt = NULL; /* mime type */
290 char *psz_id = NULL; /* id */
291 char *psz_br = NULL; /* bit rate */
292 char *psz_genre = NULL; /* genre */
293 char *psz_ct = NULL; /* current track */
294 char *psz_lc = NULL; /* listener count */
296 /* If these are set then it's *not* a radio but a TV */
297 char *psz_rt = NULL; /* rating for shoutcast TV */
298 char *psz_load = NULL; /* load for shoutcast TV */
300 char *psz_eltname = NULL; /* tag name */
302 while( xml_ReaderRead( p_sys->p_xml_reader ) == 1 )
307 i_type = xml_ReaderNodeType( p_sys->p_xml_reader );
315 case XML_READER_STARTELEM:
316 // Read the element name
317 psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
318 if( !psz_eltname ) return -1;
320 // Read the attributes
321 if( !strcmp( psz_eltname, "tunein" ) )
323 while( xml_ReaderNextAttr( p_sys->p_xml_reader ) == VLC_SUCCESS )
325 char *psz_attrname = xml_ReaderName( p_sys->p_xml_reader );
326 char *psz_attrvalue =
327 xml_ReaderValue( p_sys->p_xml_reader );
328 if( !psz_attrname || !psz_attrvalue )
331 FREENULL(psz_attrname);
332 FREENULL(psz_attrvalue);
340 "unexpected attribure %s in element %s",
341 psz_attrname, psz_eltname );
343 free( psz_attrname );
344 free( psz_attrvalue );
347 else if( !strcmp( psz_eltname, "station" ) )
349 while( xml_ReaderNextAttr( p_sys->p_xml_reader ) == VLC_SUCCESS )
351 char *psz_attrname = xml_ReaderName( p_sys->p_xml_reader );
352 char *psz_attrvalue =
353 xml_ReaderValue( p_sys->p_xml_reader );
354 if( !psz_attrname || !psz_attrvalue )
357 FREENULL(psz_attrname);
358 FREENULL(psz_attrvalue);
366 else GET_VALUE( genre )
370 else GET_VALUE( load )
374 "unexpected attribute %s in element %s",
375 psz_attrname, psz_eltname );
377 free( psz_attrname );
378 free( psz_attrvalue );
384 case XML_READER_TEXT:
388 case XML_READER_ENDELEM:
389 // Read the element name
390 psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
391 if( !psz_eltname ) return -1;
392 if( !strcmp( psz_eltname, "station" ) &&
393 ( psz_base || ( psz_rt && psz_load &&
394 ( p_sys->b_adult || strcmp( psz_rt, "NC17" ) ) ) ) )
396 char *psz_mrl = NULL;
397 if( psz_rt || psz_load )
400 psz_mrl = malloc( strlen( SHOUTCAST_TV_TUNEIN_URL )
401 + strlen( psz_id ) + 1 );
402 sprintf( psz_mrl, SHOUTCAST_TV_TUNEIN_URL "%s",
408 psz_mrl = malloc( strlen( SHOUTCAST_TUNEIN_BASE_URL )
409 + strlen( psz_base ) + strlen( "?id=" )
410 + strlen( psz_id ) + 1 );
411 sprintf( psz_mrl, SHOUTCAST_TUNEIN_BASE_URL "%s?id=%s",
414 p_input = input_ItemNewExt( p_sys->p_playlist, psz_mrl,
415 psz_name , 0, NULL, -1 );
418 input_ItemCopyOptions( p_sys->p_current->p_input,
421 #define SADD_INFO( type, field ) if( field ) { input_ItemAddInfo( \
422 p_input, _("Shoutcast"), _(type), "%s", field ) ; }
423 SADD_INFO( "Mime type", psz_mt );
424 SADD_INFO( "Bitrate", psz_br );
425 SADD_INFO( "Listeners", psz_lc );
426 SADD_INFO( "Load", psz_load );
427 p_input->p_meta = vlc_meta_New();
429 vlc_meta_SetGenre( p_input->p_meta, psz_genre );
431 vlc_meta_SetNowPlaying( p_input->p_meta, psz_ct );
433 vlc_meta_SetRating( p_input->p_meta, psz_rt );
435 playlist_BothAddInput( p_sys->p_playlist, p_input,
436 p_sys->p_item_in_category,
437 PLAYLIST_APPEND | PLAYLIST_SPREPARSE,
440 FREENULL( psz_name );
444 FREENULL( psz_genre )
456 static int Control( demux_t *p_demux, int i_query, va_list args )