1 /*****************************************************************************
2 * m3u.c : M3U playlist format import
3 *****************************************************************************
4 * Copyright (C) 2004 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * 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 *****************************************************************************/
30 #include <vlc_demux.h>
31 #include <vlc_charset.h>
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Demux( demux_t *p_demux);
44 static int Control( demux_t *p_demux, int i_query, va_list args );
45 static void parseEXTINF( char *psz_string, char **ppsz_artist, char **ppsz_name, int *pi_duration );
47 /*****************************************************************************
48 * Import_M3U: main import function
49 *****************************************************************************/
50 int E_(Import_M3U)( vlc_object_t *p_this )
52 demux_t *p_demux = (demux_t *)p_this;
53 const uint8_t *p_peek;
54 CHECK_PEEK( p_peek, 8 );
56 if(! ( POKE( p_peek, "#EXTM3U", 7 ) || POKE( p_peek, "RTSPtext", 8 ) ||
57 demux2_IsPathExtension( p_demux, ".m3u" ) || demux2_IsPathExtension( p_demux, ".vlc" ) ||
58 /* A .ram file can contain a single rtsp link */
59 demux2_IsPathExtension( p_demux, ".ram" ) || demux2_IsPathExtension( p_demux, ".rm" ) ||
60 demux2_IsForced( p_demux, "m3u" ) ) )
63 STANDARD_DEMUX_INIT_MSG( "found valid M3U playlist" );
64 p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );
69 /*****************************************************************************
70 * Deactivate: frees unused data
71 *****************************************************************************/
72 void E_(Close_M3U)( vlc_object_t *p_this )
74 demux_t *p_demux = (demux_t *)p_this;
75 free( p_demux->p_sys->psz_prefix );
76 free( p_demux->p_sys );
81 static inline char *MaybeFromLocaleDup (const char *str)
86 return IsUTF8 (str) ? strdup (str) : FromLocaleDup (str);
90 static inline void MaybeFromLocaleRep (char **str)
92 char *const orig_str = *str;
94 if ((orig_str != NULL) && !IsUTF8 (orig_str))
96 *str = FromLocaleDup (orig_str);
102 static int Demux( demux_t *p_demux )
105 char *psz_name = NULL;
106 char *psz_artist = NULL;
107 int i_parsed_duration = 0;
108 mtime_t i_duration = -1;
109 const char**ppsz_options = NULL;
111 vlc_bool_t b_cleanup = VLC_FALSE;
112 vlc_bool_t b_enable_extvlcopt = config_GetInt( p_demux, "m3u-extvlcopt" );
113 input_item_t *p_input;
117 psz_line = stream_ReadLine( p_demux->s );
120 char *psz_parse = psz_line;
122 /* Skip leading tabs and spaces */
123 while( *psz_parse == ' ' || *psz_parse == '\t' ||
124 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
126 if( *psz_parse == '#' )
128 /* Parse extra info */
130 /* Skip leading tabs and spaces */
131 while( *psz_parse == ' ' || *psz_parse == '\t' ||
132 *psz_parse == '\n' || *psz_parse == '\r' ||
133 *psz_parse == '#' ) psz_parse++;
135 if( !*psz_parse ) goto error;
137 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
140 psz_parse += sizeof("EXTINF:") - 1;
141 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
142 if( i_parsed_duration >= 0 )
143 i_duration = i_parsed_duration * I64C(1000000);
145 psz_name = strdup( psz_name );
147 psz_artist = strdup( psz_artist );
149 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
150 sizeof("EXTVLCOPT:") -1 ) )
152 if( b_enable_extvlcopt )
156 psz_parse += sizeof("EXTVLCOPT:") -1;
157 if( !*psz_parse ) goto error;
159 psz_option = MaybeFromLocaleDup( psz_parse );
161 INSERT_ELEM( ppsz_options, i_options, i_options,
166 msg_Err( p_demux, "m3u EXTVLCOPT parsing is disabled for security reasons. If you need it and trust the m3u playlist you are trying to open, please append --m3u-extvlcopt to your command line." );
170 else if( !strncasecmp( psz_parse, "RTSPtext", sizeof("RTSPtext") -1 ) )
172 ;/* special case to handle QuickTime RTSPtext redirect files */
174 else if( *psz_parse )
177 if( !psz_name || !*psz_name )
179 /* Use filename as name for relative entries */
180 psz_name = MaybeFromLocaleDup( psz_parse );
183 psz_mrl = E_(ProcessMRL)( psz_parse, p_demux->p_sys->psz_prefix );
184 MaybeFromLocaleRep( &psz_mrl );
186 b_cleanup = VLC_TRUE;
187 if( !psz_mrl ) goto error;
189 p_input = input_ItemNewExt( p_playlist, psz_mrl, psz_name,
190 i_options, ppsz_options, i_duration );
191 if ( psz_artist && *psz_artist )
192 input_ItemAddInfo( p_input, _(VLC_META_INFO_CAT),
193 _(VLC_META_ARTIST), "%s", psz_artist );
194 input_ItemAddSubItem( p_current_input, p_input );
195 vlc_gc_decref( p_input );
201 /* Fetch another line */
203 psz_line = stream_ReadLine( p_demux->s );
204 if( !psz_line ) b_cleanup = VLC_TRUE;
209 while( i_options-- ) free( (char*)ppsz_options[i_options] );
210 if( ppsz_options ) free( ppsz_options );
211 ppsz_options = NULL; i_options = 0;
212 if( psz_name ) free( psz_name );
214 if ( psz_artist ) free( psz_artist );
216 i_parsed_duration = 0;
219 b_cleanup = VLC_FALSE;
222 HANDLE_PLAY_AND_RELEASE;
223 return 0; /* Needed for correct operation of go back */
226 static int Control( demux_t *p_demux, int i_query, va_list args )
231 static void parseEXTINF(char *psz_string, char **ppsz_artist,
232 char **ppsz_name, int *pi_duration)
235 char *psz_item = NULL;
237 end = psz_string + strlen( psz_string );
239 /* ignore whitespaces */
240 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
243 /* duration: read to next comma */
244 psz_item = psz_string;
245 psz_string = strchr( psz_string, ',' );
249 *pi_duration = atoi( psz_item );
256 if ( psz_string < end ) /* continue parsing if possible */
259 /* analyse the remaining string */
260 psz_item = strstr( psz_string, " - " );
262 /* here we have the 0.8.2+ format with artist */
265 /* *** "EXTINF:time,artist - name" */
267 *ppsz_artist = psz_string;
268 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
272 /* reaching this point means: 0.8.1- with artist or something without artist */
273 if ( *psz_string == ',' )
275 /* *** "EXTINF:time,,name" */
277 *ppsz_name = psz_string;
281 psz_item = psz_string;
282 psz_string = strchr( psz_string, ',' );
285 /* *** "EXTINF:time,artist,name" */
287 *ppsz_artist = psz_item;
288 *ppsz_name = psz_string+1;
292 /* *** "EXTINF:time,name" */
293 *ppsz_name = psz_item;