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_demux.h>
33 #include <errno.h> /* ENOMEM */
39 playlist_t *p_playlist;
40 playlist_item_t *p_current;
41 playlist_item_t *p_item_in_category;
44 xml_reader_t *p_xml_reader;
49 /* duplicate from modules/services_discovery/shout.c */
50 #define SHOUTCAST_BASE_URL "http/shout-winamp://www.shoutcast.com/sbin/newxml.phtml"
51 #define SHOUTCAST_TUNEIN_BASE_URL "http://www.shoutcast.com"
52 #define SHOUTCAST_TV_TUNEIN_URL "http://www.shoutcast.com/sbin/tunein-tvstation.pls?id="
54 /*****************************************************************************
56 *****************************************************************************/
57 static int Demux( demux_t *p_demux);
58 static int Control( demux_t *p_demux, int i_query, va_list args );
60 static int DemuxGenre( demux_t *p_demux );
61 static int DemuxStation( demux_t *p_demux );
63 /*****************************************************************************
64 * Import_Shoutcast: main import function
65 *****************************************************************************/
66 int E_(Import_Shoutcast)( vlc_object_t *p_this )
68 demux_t *p_demux = (demux_t *)p_this;
70 if( !demux2_IsForced( p_demux, "shout-winamp" ) )
73 STANDARD_DEMUX_INIT_MSG( "using shoutcast playlist reader" );
74 p_demux->p_sys->p_playlist = NULL;
75 p_demux->p_sys->p_xml = NULL;
76 p_demux->p_sys->p_xml_reader = NULL;
78 /* Do we want to list adult content ? */
79 var_Create( p_demux, "shoutcast-show-adult",
80 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
81 p_demux->p_sys->b_adult = var_GetBool( p_demux, "shoutcast-show-adult" );
86 /*****************************************************************************
87 * Deactivate: frees unused data
88 *****************************************************************************/
89 void E_(Close_Shoutcast)( vlc_object_t *p_this )
91 demux_t *p_demux = (demux_t *)p_this;
92 demux_sys_t *p_sys = p_demux->p_sys;
94 if( p_sys->p_playlist )
95 vlc_object_release( p_sys->p_playlist );
96 if( p_sys->p_xml_reader )
97 xml_ReaderDelete( p_sys->p_xml, p_sys->p_xml_reader );
99 xml_Delete( p_sys->p_xml );
103 static int Demux( demux_t *p_demux )
105 demux_sys_t *p_sys = p_demux->p_sys;
107 xml_reader_t *p_xml_reader;
108 char *psz_eltname = NULL;
110 p_sys->p_playlist = p_playlist;
111 p_sys->p_current = p_current;
112 p_sys->p_item_in_category = p_item_in_category;
114 p_xml = p_sys->p_xml = xml_Create( p_demux );
115 if( !p_xml ) return -1;
117 p_xml_reader = xml_ReaderCreate( p_xml, p_demux->s );
118 if( !p_xml_reader ) return -1;
119 p_sys->p_xml_reader = p_xml_reader;
121 /* check root node */
122 if( xml_ReaderRead( p_xml_reader ) != 1 )
124 msg_Err( p_demux, "invalid file (no root node)" );
128 if( xml_ReaderNodeType( p_xml_reader ) != XML_READER_STARTELEM ||
129 ( psz_eltname = xml_ReaderName( p_xml_reader ) ) == NULL ||
130 ( strcmp( psz_eltname, "genrelist" )
131 && strcmp( psz_eltname, "stationlist" ) ) )
133 msg_Err( p_demux, "invalid root node %i, %s",
134 xml_ReaderNodeType( p_xml_reader ), psz_eltname );
135 if( psz_eltname ) free( psz_eltname );
139 if( !strcmp( psz_eltname, "genrelist" ) )
141 /* we're reading a genre list */
143 if( DemuxGenre( p_demux ) ) return -1;
147 /* we're reading a station list */
149 if( DemuxStation( p_demux ) ) return -1;
152 HANDLE_PLAY_AND_RELEASE;
153 p_sys->p_playlist = NULL;
154 return -1; /* Needed for correct operation of go back */
157 #define GET_VALUE( a ) \
158 if( !strcmp( psz_attrname, #a ) ) \
160 psz_ ## a = strdup( psz_attrvalue ); \
163 * <genre name="the name"></genre>
167 static int DemuxGenre( demux_t *p_demux )
169 demux_sys_t *p_sys = p_demux->p_sys;
170 char *psz_name = NULL; /* genre name */
171 char *psz_eltname = NULL; /* tag name */
172 input_item_t *p_input;
174 while( xml_ReaderRead( p_sys->p_xml_reader ) == 1 )
179 i_type = xml_ReaderNodeType( p_sys->p_xml_reader );
187 case XML_READER_STARTELEM:
188 // Read the element name
189 psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
190 if( !psz_eltname ) return -1;
192 if( !strcmp( psz_eltname, "genre" ) )
194 // Read the attributes
195 while( xml_ReaderNextAttr( p_sys->p_xml_reader ) == VLC_SUCCESS )
197 char *psz_attrname = xml_ReaderName( p_sys->p_xml_reader );
198 char *psz_attrvalue =
199 xml_ReaderValue( p_sys->p_xml_reader );
200 if( !psz_attrname || !psz_attrvalue )
202 FREENULL(psz_attrname);
203 FREENULL(psz_attrvalue);
205 /*FIXME: isn't return a bit too much. what about break*/
213 "unexpected attribure %s in element %s",
214 psz_attrname,psz_eltname );
216 free( psz_attrname );
217 free( psz_attrvalue );
220 free( psz_eltname ); psz_eltname = NULL;
223 case XML_READER_TEXT:
227 case XML_READER_ENDELEM:
228 // Read the element name
229 psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
230 if( !psz_eltname ) return -1;
231 if( !strcmp( psz_eltname, "genre" ) )
233 char *psz_mrl = malloc( strlen( SHOUTCAST_BASE_URL )
234 + strlen( "?genre=" ) + strlen( psz_name ) + 1 );
235 sprintf( psz_mrl, SHOUTCAST_BASE_URL "?genre=%s",
237 p_input = input_ItemNewExt( p_sys->p_playlist, psz_mrl,
238 psz_name, 0, NULL, -1 );
239 input_ItemCopyOptions( p_sys->p_current->p_input,
242 playlist_BothAddInput( p_sys->p_playlist, p_input,
243 p_sys->p_item_in_category,
244 PLAYLIST_APPEND | PLAYLIST_SPREPARSE,
245 PLAYLIST_END, NULL, NULL, VLC_FALSE );
246 FREENULL( psz_name );
248 FREENULL( psz_eltname );
257 * <tunein base="/sbin/tunein-station.pls"></tunein>
258 * <station name="the name"
262 * genre="A big genre string"
263 * ct="current track name/author/..."
264 * lc="listener count"></station>
269 * <tunein base="/sbin/tunein-station.pls"></tunein>
270 * <station name="the name"
274 * load="server load ?"
275 * ct="current track name/author/..."
276 * genre="A big genre string"
277 * lc="listener count"></station>
280 static int DemuxStation( demux_t *p_demux )
282 demux_sys_t *p_sys = p_demux->p_sys;
283 input_item_t *p_input;
285 char *psz_base = NULL; /* */
287 char *psz_name = NULL; /* genre name */
288 char *psz_mt = NULL; /* mime type */
289 char *psz_id = NULL; /* id */
290 char *psz_br = NULL; /* bit rate */
291 char *psz_genre = NULL; /* genre */
292 char *psz_ct = NULL; /* current track */
293 char *psz_lc = NULL; /* listener count */
295 /* If these are set then it's *not* a radio but a TV */
296 char *psz_rt = NULL; /* rating for shoutcast TV */
297 char *psz_load = NULL; /* load for shoutcast TV */
299 char *psz_eltname = NULL; /* tag name */
301 while( xml_ReaderRead( p_sys->p_xml_reader ) == 1 )
306 i_type = xml_ReaderNodeType( p_sys->p_xml_reader );
314 case XML_READER_STARTELEM:
315 // Read the element name
316 psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
317 if( !psz_eltname ) return -1;
319 // Read the attributes
320 if( !strcmp( psz_eltname, "tunein" ) )
322 while( xml_ReaderNextAttr( p_sys->p_xml_reader ) == VLC_SUCCESS )
324 char *psz_attrname = xml_ReaderName( p_sys->p_xml_reader );
325 char *psz_attrvalue =
326 xml_ReaderValue( p_sys->p_xml_reader );
327 if( !psz_attrname || !psz_attrvalue )
330 FREENULL(psz_attrname);
331 FREENULL(psz_attrvalue);
339 "unexpected attribure %s in element %s",
340 psz_attrname, psz_eltname );
342 free( psz_attrname );
343 free( psz_attrvalue );
346 else if( !strcmp( psz_eltname, "station" ) )
348 while( xml_ReaderNextAttr( p_sys->p_xml_reader ) == VLC_SUCCESS )
350 char *psz_attrname = xml_ReaderName( p_sys->p_xml_reader );
351 char *psz_attrvalue =
352 xml_ReaderValue( p_sys->p_xml_reader );
353 if( !psz_attrname || !psz_attrvalue )
356 FREENULL(psz_attrname);
357 FREENULL(psz_attrvalue);
365 else GET_VALUE( genre )
369 else GET_VALUE( load )
373 "unexpected attribute %s in element %s",
374 psz_attrname, psz_eltname );
376 free( psz_attrname );
377 free( psz_attrvalue );
383 case XML_READER_TEXT:
387 case XML_READER_ENDELEM:
388 // Read the element name
389 psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
390 if( !psz_eltname ) return -1;
391 if( !strcmp( psz_eltname, "station" ) &&
392 ( psz_base || ( psz_rt && psz_load &&
393 ( p_sys->b_adult || strcmp( psz_rt, "NC17" ) ) ) ) )
395 char *psz_mrl = NULL;
396 if( psz_rt || psz_load )
399 psz_mrl = malloc( strlen( SHOUTCAST_TV_TUNEIN_URL )
400 + strlen( psz_id ) + 1 );
401 sprintf( psz_mrl, SHOUTCAST_TV_TUNEIN_URL "%s",
407 psz_mrl = malloc( strlen( SHOUTCAST_TUNEIN_BASE_URL )
408 + strlen( psz_base ) + strlen( "?id=" )
409 + strlen( psz_id ) + 1 );
410 sprintf( psz_mrl, SHOUTCAST_TUNEIN_BASE_URL "%s?id=%s",
413 p_input = input_ItemNewExt( p_sys->p_playlist, psz_mrl,
414 psz_name , 0, NULL, -1 );
417 input_ItemCopyOptions( p_sys->p_current->p_input,
420 #define SADD_INFO( type, field ) if( field ) { input_ItemAddInfo( \
421 p_input, _("Shoutcast"), _(type), "%s", field ) ; }
422 SADD_INFO( "Mime type", psz_mt );
423 SADD_INFO( "Bitrate", psz_br );
424 SADD_INFO( "Listeners", psz_lc );
425 SADD_INFO( "Load", psz_load );
426 p_input->p_meta = vlc_meta_New();
428 vlc_meta_SetGenre( p_input->p_meta, psz_genre );
430 vlc_meta_SetNowPlaying( p_input->p_meta, psz_ct );
432 vlc_meta_SetRating( p_input->p_meta, psz_rt );
434 playlist_BothAddInput( p_sys->p_playlist, p_input,
435 p_sys->p_item_in_category,
436 PLAYLIST_APPEND | PLAYLIST_SPREPARSE,
437 PLAYLIST_END, NULL, NULL, VLC_FALSE );
439 FREENULL( psz_name );
443 FREENULL( psz_genre )
455 static int Control( demux_t *p_demux, int i_query, va_list args )