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 *****************************************************************************/
33 #include <vlc_common.h>
34 #include <vlc_demux.h>
39 /* duplicate from modules/services_discovery/shout.c */
40 #define SHOUTCAST_BASE_URL "http/shout-winamp://www.shoutcast.com/sbin/newxml.phtml"
41 #define SHOUTCAST_TUNEIN_BASE_URL "http://www.shoutcast.com"
42 #define SHOUTCAST_TV_TUNEIN_URL "http://www.shoutcast.com/sbin/tunein-tvstation.pls?id="
44 /*****************************************************************************
46 *****************************************************************************/
47 static int Demux( demux_t *p_demux);
48 static int Control( demux_t *p_demux, int i_query, va_list args );
50 static int DemuxGenre( demux_t *p_demux, xml_reader_t *p_xml_reader,
51 input_item_node_t *p_input_node );
52 static int DemuxStation( demux_t *p_demux, xml_reader_t *p_xml_reader,
53 input_item_node_t *p_input_node, bool b_adult );
55 /*****************************************************************************
56 * Import_Shoutcast: main import function
57 *****************************************************************************/
58 int Import_Shoutcast( vlc_object_t *p_this )
60 demux_t *p_demux = (demux_t *)p_this;
62 if( !demux_IsForced( p_demux, "shout-winamp" ) )
65 p_demux->pf_demux = Demux;
66 p_demux->pf_control = Control;
67 msg_Dbg( p_demux, "using shoutcast playlist reader" );
72 /*****************************************************************************
73 * Deactivate: frees unused data
74 *****************************************************************************/
75 void Close_Shoutcast( vlc_object_t *p_this )
80 static int Demux( demux_t *p_demux )
83 xml_reader_t *p_xml_reader = NULL;
84 char *psz_eltname = NULL;
86 input_item_t *p_current_input = GetCurrentItem(p_demux);
88 p_xml = xml_Create( p_demux );
92 p_xml_reader = xml_ReaderCreate( p_xml, p_demux->s );
97 if( xml_ReaderRead( p_xml_reader ) != 1 )
99 msg_Err( p_demux, "invalid file (no root node)" );
103 if( xml_ReaderNodeType( p_xml_reader ) != XML_READER_STARTELEM ||
104 ( psz_eltname = xml_ReaderName( p_xml_reader ) ) == NULL ||
105 ( strcmp( psz_eltname, "genrelist" )
106 && strcmp( psz_eltname, "stationlist" ) ) )
108 msg_Err( p_demux, "invalid root node %i, %s",
109 xml_ReaderNodeType( p_xml_reader ), psz_eltname );
113 input_item_node_t *p_input_node = input_item_node_Create( p_current_input );
115 if( !strcmp( psz_eltname, "genrelist" ) )
117 /* we're reading a genre list */
118 if( DemuxGenre( p_demux, p_xml_reader, p_input_node ) )
123 /* we're reading a station list */
124 if( DemuxStation( p_demux, p_xml_reader, p_input_node,
125 var_CreateGetBool( p_demux, "shoutcast-show-adult" ) ) )
129 input_item_node_PostAndDelete( p_input_node );
132 i_ret = 0; /* Needed for correct operation of go back */
136 xml_ReaderDelete( p_xml, p_xml_reader );
140 if( p_input_node ) input_item_node_Delete( p_input_node );
141 vlc_gc_decref(p_current_input);
145 #define GET_VALUE( a ) \
146 if( !strcmp( psz_attrname, #a ) ) \
149 psz_ ## a = psz_attrvalue; \
152 * <genre name="the name"></genre>
156 static int DemuxGenre( demux_t *p_demux, xml_reader_t *p_xml_reader,
157 input_item_node_t *p_input_node )
159 char *psz_name = NULL; /* genre name */
162 while( xml_ReaderRead( p_xml_reader ) == 1 )
165 switch( xml_ReaderNodeType( p_xml_reader ) )
171 case XML_READER_STARTELEM:
173 // Read the element name
174 char *psz_eltname = xml_ReaderName( p_xml_reader );
178 if( !strcmp( psz_eltname, "genre" ) )
180 // Read the attributes
181 while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
183 char *psz_attrname = xml_ReaderName( p_xml_reader );
184 char *psz_attrvalue =
185 xml_ReaderValue( p_xml_reader );
186 if( !psz_attrname || !psz_attrvalue )
188 free( psz_attrname );
189 free( psz_attrvalue );
198 "unexpected attribure %s in element %s",
199 psz_attrname, psz_eltname );
200 free( psz_attrvalue );
202 free( psz_attrname );
209 case XML_READER_TEXT:
213 case XML_READER_ENDELEM:
215 // Read the element name
216 char *psz_eltname = xml_ReaderName( p_xml_reader );
220 if( !strcmp( psz_eltname, "genre" ) )
223 if( asprintf( &psz_mrl, SHOUTCAST_BASE_URL "?genre=%s",
226 input_item_t *p_input;
227 p_input = input_item_New( p_demux, psz_mrl, psz_name );
228 input_item_CopyOptions( p_input_node->p_item, p_input );
230 input_item_node_AppendItem( p_input_node, p_input );
231 vlc_gc_decref( p_input );
233 FREENULL( psz_name );
249 * <tunein base="/sbin/tunein-station.pls"></tunein>
250 * <station name="the name"
254 * genre="A big genre string"
255 * ct="current track name/author/..."
256 * lc="listener count"></station>
261 * <tunein base="/sbin/tunein-station.pls"></tunein>
262 * <station name="the name"
266 * load="server load ?"
267 * ct="current track name/author/..."
268 * genre="A big genre string"
269 * lc="listener count"></station>
272 static int DemuxStation( demux_t *p_demux, xml_reader_t *p_xml_reader,
273 input_item_node_t *p_input_node, bool b_adult )
275 char *psz_base = NULL; /* */
277 char *psz_name = NULL; /* genre name */
278 char *psz_mt = NULL; /* mime type */
279 char *psz_id = NULL; /* id */
280 char *psz_br = NULL; /* bit rate */
281 char *psz_genre = NULL; /* genre */
282 char *psz_ct = NULL; /* current track */
283 char *psz_lc = NULL; /* listener count */
285 /* If these are set then it's *not* a radio but a TV */
286 char *psz_rt = NULL; /* rating for shoutcast TV */
287 char *psz_load = NULL; /* load for shoutcast TV */
289 char *psz_eltname = NULL; /* tag name */
291 while( xml_ReaderRead( p_xml_reader ) == 1 )
296 i_type = xml_ReaderNodeType( p_xml_reader );
304 case XML_READER_STARTELEM:
305 // Read the element name
306 psz_eltname = xml_ReaderName( p_xml_reader );
307 if( !psz_eltname ) return -1;
309 // Read the attributes
310 if( !strcmp( psz_eltname, "tunein" ) )
312 while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
314 char *psz_attrname = xml_ReaderName( p_xml_reader );
315 char *psz_attrvalue =
316 xml_ReaderValue( p_xml_reader );
317 if( !psz_attrname || !psz_attrvalue )
320 free( psz_attrname );
321 free( psz_attrvalue );
329 "unexpected attribure %s in element %s",
330 psz_attrname, psz_eltname );
331 free( psz_attrvalue );
333 free( psz_attrname );
336 else if( !strcmp( psz_eltname, "station" ) )
338 while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
340 char *psz_attrname = xml_ReaderName( p_xml_reader );
341 char *psz_attrvalue =
342 xml_ReaderValue( p_xml_reader );
343 if( !psz_attrname || !psz_attrvalue )
346 free( psz_attrname );
347 free( psz_attrvalue );
355 else GET_VALUE( genre )
359 else GET_VALUE( load )
363 "unexpected attribute %s in element %s",
364 psz_attrname, psz_eltname );
365 free( psz_attrvalue );
367 free( psz_attrname );
373 case XML_READER_TEXT:
377 case XML_READER_ENDELEM:
378 // Read the element name
379 psz_eltname = xml_ReaderName( p_xml_reader );
380 if( !psz_eltname ) return -1;
381 if( !strcmp( psz_eltname, "station" ) &&
382 ( psz_base || ( psz_rt && psz_load &&
383 ( b_adult || strcmp( psz_rt, "NC17" ) ) ) ) )
385 char *psz_mrl = NULL;
386 if( psz_rt || psz_load )
389 if( asprintf( &psz_mrl, SHOUTCAST_TV_TUNEIN_URL "%s",
396 if( asprintf( &psz_mrl, SHOUTCAST_TUNEIN_BASE_URL "%s?id=%s",
397 psz_base, psz_id ) == -1 )
401 /* Create the item */
402 input_item_t *p_input;
403 p_input = input_item_New( p_demux, psz_mrl, psz_name );
404 input_item_CopyOptions( p_input_node->p_item, p_input );
407 #define SADD_INFO( type, field ) \
409 input_item_AddInfo( p_input, _("Shoutcast"), \
410 vlc_gettext(type), "%s", field )
411 SADD_INFO( N_("Mime"), psz_mt );
412 SADD_INFO( N_("Bitrate"), psz_br );
413 SADD_INFO( N_("Listeners"), psz_lc );
414 SADD_INFO( N_("Load"), psz_load );
416 input_item_SetGenre( p_input, psz_genre );
418 input_item_SetNowPlaying( p_input, psz_ct );
420 input_item_SetRating( p_input, psz_rt );
421 input_item_node_AppendItem( p_input_node, p_input );
422 vlc_gc_decref( p_input );
423 FREENULL( psz_base );
424 FREENULL( psz_name );
428 FREENULL( psz_genre );
432 FREENULL( psz_load );
441 static int Control( demux_t *p_demux, int i_query, va_list args )
443 VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);