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_t *p_current_input );
52 static int DemuxStation( demux_t *p_demux, xml_reader_t *p_xml_reader,
53 input_item_t *p_current_input, 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 if( !strcmp( psz_eltname, "genrelist" ) )
115 /* we're reading a genre list */
116 if( DemuxGenre( p_demux, p_xml_reader, p_current_input ) )
121 /* we're reading a station list */
122 if( DemuxStation( p_demux, p_xml_reader, p_current_input,
123 var_CreateGetBool( p_demux, "shoutcast-show-adult" ) ) )
127 i_ret = 0; /* Needed for correct operation of go back */
131 xml_ReaderDelete( p_xml, p_xml_reader );
135 vlc_gc_decref(p_current_input);
139 #define GET_VALUE( a ) \
140 if( !strcmp( psz_attrname, #a ) ) \
142 psz_ ## a = psz_attrvalue; \
145 * <genre name="the name"></genre>
149 static int DemuxGenre( demux_t *p_demux, xml_reader_t *p_xml_reader,
150 input_item_t *p_current_input )
152 char *psz_name = NULL; /* genre name */
155 while( xml_ReaderRead( p_xml_reader ) == 1 )
158 switch( xml_ReaderNodeType( p_xml_reader ) )
164 case XML_READER_STARTELEM:
166 // Read the element name
167 char *psz_eltname = xml_ReaderName( p_xml_reader );
171 if( !strcmp( psz_eltname, "genre" ) )
173 // Read the attributes
174 while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
176 char *psz_attrname = xml_ReaderName( p_xml_reader );
177 char *psz_attrvalue =
178 xml_ReaderValue( p_xml_reader );
179 if( !psz_attrname || !psz_attrvalue )
181 free( psz_attrname );
182 free( psz_attrvalue );
191 "unexpected attribure %s in element %s",
192 psz_attrname, psz_eltname );
193 free( psz_attrvalue );
195 free( psz_attrname );
202 case XML_READER_TEXT:
206 case XML_READER_ENDELEM:
208 // Read the element name
209 char *psz_eltname = xml_ReaderName( p_xml_reader );
213 if( !strcmp( psz_eltname, "genre" ) )
216 if( asprintf( &psz_mrl, SHOUTCAST_BASE_URL "?genre=%s",
219 input_item_t *p_input;
220 p_input = input_item_New( p_demux, psz_mrl, psz_name );
221 input_item_CopyOptions( p_current_input, p_input );
223 input_item_AddSubItem( p_current_input, p_input );
224 vlc_gc_decref( p_input );
226 FREENULL( psz_name );
242 * <tunein base="/sbin/tunein-station.pls"></tunein>
243 * <station name="the name"
247 * genre="A big genre string"
248 * ct="current track name/author/..."
249 * lc="listener count"></station>
254 * <tunein base="/sbin/tunein-station.pls"></tunein>
255 * <station name="the name"
259 * load="server load ?"
260 * ct="current track name/author/..."
261 * genre="A big genre string"
262 * lc="listener count"></station>
265 static int DemuxStation( demux_t *p_demux, xml_reader_t *p_xml_reader,
266 input_item_t *p_current_input, bool b_adult )
268 char *psz_base = NULL; /* */
270 char *psz_name = NULL; /* genre name */
271 char *psz_mt = NULL; /* mime type */
272 char *psz_id = NULL; /* id */
273 char *psz_br = NULL; /* bit rate */
274 char *psz_genre = NULL; /* genre */
275 char *psz_ct = NULL; /* current track */
276 char *psz_lc = NULL; /* listener count */
278 /* If these are set then it's *not* a radio but a TV */
279 char *psz_rt = NULL; /* rating for shoutcast TV */
280 char *psz_load = NULL; /* load for shoutcast TV */
282 char *psz_eltname = NULL; /* tag name */
284 while( xml_ReaderRead( p_xml_reader ) == 1 )
289 i_type = xml_ReaderNodeType( p_xml_reader );
297 case XML_READER_STARTELEM:
298 // Read the element name
299 psz_eltname = xml_ReaderName( p_xml_reader );
300 if( !psz_eltname ) return -1;
302 // Read the attributes
303 if( !strcmp( psz_eltname, "tunein" ) )
305 while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
307 char *psz_attrname = xml_ReaderName( p_xml_reader );
308 char *psz_attrvalue =
309 xml_ReaderValue( p_xml_reader );
310 if( !psz_attrname || !psz_attrvalue )
313 free( psz_attrname );
314 free( psz_attrvalue );
322 "unexpected attribure %s in element %s",
323 psz_attrname, psz_eltname );
324 free( psz_attrvalue );
326 free( psz_attrname );
329 else if( !strcmp( psz_eltname, "station" ) )
331 while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
333 char *psz_attrname = xml_ReaderName( p_xml_reader );
334 char *psz_attrvalue =
335 xml_ReaderValue( p_xml_reader );
336 if( !psz_attrname || !psz_attrvalue )
339 free( psz_attrname );
340 free( psz_attrvalue );
348 else GET_VALUE( genre )
352 else GET_VALUE( load )
356 "unexpected attribute %s in element %s",
357 psz_attrname, psz_eltname );
358 free( psz_attrvalue );
360 free( psz_attrname );
366 case XML_READER_TEXT:
370 case XML_READER_ENDELEM:
371 // Read the element name
372 psz_eltname = xml_ReaderName( p_xml_reader );
373 if( !psz_eltname ) return -1;
374 if( !strcmp( psz_eltname, "station" ) &&
375 ( psz_base || ( psz_rt && psz_load &&
376 ( b_adult || strcmp( psz_rt, "NC17" ) ) ) ) )
378 char *psz_mrl = NULL;
379 if( psz_rt || psz_load )
382 if( asprintf( &psz_mrl, SHOUTCAST_TV_TUNEIN_URL "%s",
389 if( asprintf( &psz_mrl, SHOUTCAST_TUNEIN_BASE_URL "%s?id=%s",
390 psz_base, psz_id ) == -1 )
394 /* Create the item */
395 input_item_t *p_input;
396 p_input = input_item_New( p_demux, psz_mrl, psz_name );
397 input_item_CopyOptions( p_current_input, p_input );
400 #define SADD_INFO( type, field ) \
402 input_item_AddInfo( p_input, _("Shoutcast"), \
403 vlc_gettext(type), "%s", field )
404 SADD_INFO( N_("Mime"), psz_mt );
405 SADD_INFO( N_("Bitrate"), psz_br );
406 SADD_INFO( N_("Listeners"), psz_lc );
407 SADD_INFO( N_("Load"), psz_load );
409 input_item_SetGenre( p_input, psz_genre );
411 input_item_SetNowPlaying( p_input, psz_ct );
413 input_item_SetRating( p_input, psz_rt );
414 input_item_AddSubItem( p_current_input, p_input );
415 vlc_gc_decref( p_input );
416 FREENULL( psz_name );
420 FREENULL( psz_genre );
424 FREENULL( psz_load );
433 static int Control( demux_t *p_demux, int i_query, va_list args )
435 VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);