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 *****************************************************************************/
34 #include <vlc_demux.h>
35 #include <vlc_charset.h>
44 /*****************************************************************************
46 *****************************************************************************/
47 static int Demux( demux_t *p_demux);
48 static int Control( demux_t *p_demux, int i_query, va_list args );
49 static void parseEXTINF( char *psz_string, char **ppsz_artist, char **ppsz_name, int *pi_duration );
51 /*****************************************************************************
52 * Import_M3U: main import function
53 *****************************************************************************/
54 int E_(Import_M3U)( vlc_object_t *p_this )
56 demux_t *p_demux = (demux_t *)p_this;
57 const uint8_t *p_peek;
58 CHECK_PEEK( p_peek, 8 );
60 if(! ( POKE( p_peek, "#EXTM3U", 7 ) || POKE( p_peek, "RTSPtext", 8 ) ||
61 demux2_IsPathExtension( p_demux, ".m3u" ) || demux2_IsPathExtension( p_demux, ".vlc" ) ||
62 /* A .ram file can contain a single rtsp link */
63 demux2_IsPathExtension( p_demux, ".ram" ) || demux2_IsPathExtension( p_demux, ".rm" ) ||
64 demux2_IsForced( p_demux, "m3u" ) ) )
67 STANDARD_DEMUX_INIT_MSG( "found valid M3U playlist" );
68 p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );
73 /*****************************************************************************
74 * Deactivate: frees unused data
75 *****************************************************************************/
76 void E_(Close_M3U)( vlc_object_t *p_this )
78 demux_t *p_demux = (demux_t *)p_this;
79 free( p_demux->p_sys->psz_prefix );
80 free( p_demux->p_sys );
85 static inline char *MaybeFromLocaleDup (const char *str)
90 return IsUTF8 (str) ? strdup (str) : FromLocaleDup (str);
94 static inline void MaybeFromLocaleRep (char **str)
96 char *const orig_str = *str;
98 if ((orig_str != NULL) && !IsUTF8 (orig_str))
100 *str = FromLocaleDup (orig_str);
106 static int Demux( demux_t *p_demux )
109 char *psz_name = NULL;
110 char *psz_artist = NULL;
111 int i_parsed_duration = 0;
112 mtime_t i_duration = -1;
113 const char**ppsz_options = NULL;
115 vlc_bool_t b_cleanup = VLC_FALSE;
116 vlc_bool_t b_enable_extvlcopt = var_CreateGetInteger( p_demux,
118 input_item_t *p_input;
122 psz_line = stream_ReadLine( p_demux->s );
125 char *psz_parse = psz_line;
127 /* Skip leading tabs and spaces */
128 while( *psz_parse == ' ' || *psz_parse == '\t' ||
129 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
131 if( *psz_parse == '#' )
133 /* Parse extra info */
135 /* Skip leading tabs and spaces */
136 while( *psz_parse == ' ' || *psz_parse == '\t' ||
137 *psz_parse == '\n' || *psz_parse == '\r' ||
138 *psz_parse == '#' ) psz_parse++;
140 if( !*psz_parse ) goto error;
142 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
145 psz_parse += sizeof("EXTINF:") - 1;
146 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
147 if( i_parsed_duration >= 0 )
148 i_duration = i_parsed_duration * I64C(1000000);
150 psz_name = strdup( psz_name );
152 psz_artist = strdup( psz_artist );
154 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
155 sizeof("EXTVLCOPT:") -1 ) )
157 if( b_enable_extvlcopt )
161 psz_parse += sizeof("EXTVLCOPT:") -1;
162 if( !*psz_parse ) goto error;
164 psz_option = MaybeFromLocaleDup( psz_parse );
166 INSERT_ELEM( ppsz_options, i_options, i_options,
171 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." );
175 else if( !strncasecmp( psz_parse, "RTSPtext", sizeof("RTSPtext") -1 ) )
177 ;/* special case to handle QuickTime RTSPtext redirect files */
179 else if( *psz_parse )
182 if( !psz_name || !*psz_name )
184 /* Use filename as name for relative entries */
185 psz_name = MaybeFromLocaleDup( psz_parse );
188 psz_mrl = E_(ProcessMRL)( psz_parse, p_demux->p_sys->psz_prefix );
189 MaybeFromLocaleRep( &psz_mrl );
191 b_cleanup = VLC_TRUE;
192 if( !psz_mrl ) goto error;
194 p_input = input_ItemNewExt( p_playlist, psz_mrl, psz_name,
195 i_options, ppsz_options, i_duration );
196 if ( psz_artist && *psz_artist )
197 input_ItemAddInfo( p_input, _(VLC_META_INFO_CAT),
198 _(VLC_META_ARTIST), "%s", psz_artist );
199 input_ItemAddSubItem( p_current_input, p_input );
200 vlc_gc_decref( p_input );
206 /* Fetch another line */
208 psz_line = stream_ReadLine( p_demux->s );
209 if( !psz_line ) b_cleanup = VLC_TRUE;
214 while( i_options-- ) free( (char*)ppsz_options[i_options] );
215 if( ppsz_options ) free( ppsz_options );
216 ppsz_options = NULL; i_options = 0;
217 if( psz_name ) free( psz_name );
219 if ( psz_artist ) free( psz_artist );
221 i_parsed_duration = 0;
224 b_cleanup = VLC_FALSE;
227 HANDLE_PLAY_AND_RELEASE;
228 var_Destroy( p_demux, "m3u-extvlcopt" );
229 return 0; /* Needed for correct operation of go back */
232 static int Control( demux_t *p_demux, int i_query, va_list args )
234 VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);
238 static void parseEXTINF(char *psz_string, char **ppsz_artist,
239 char **ppsz_name, int *pi_duration)
242 char *psz_item = NULL;
244 end = psz_string + strlen( psz_string );
246 /* ignore whitespaces */
247 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
250 /* duration: read to next comma */
251 psz_item = psz_string;
252 psz_string = strchr( psz_string, ',' );
256 *pi_duration = atoi( psz_item );
263 if ( psz_string < end ) /* continue parsing if possible */
266 /* analyse the remaining string */
267 psz_item = strstr( psz_string, " - " );
269 /* here we have the 0.8.2+ format with artist */
272 /* *** "EXTINF:time,artist - name" */
274 *ppsz_artist = psz_string;
275 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
279 /* reaching this point means: 0.8.1- with artist or something without artist */
280 if ( *psz_string == ',' )
282 /* *** "EXTINF:time,,name" */
284 *ppsz_name = psz_string;
288 psz_item = psz_string;
289 psz_string = strchr( psz_string, ',' );
292 /* *** "EXTINF:time,artist,name" */
294 *ppsz_artist = psz_item;
295 *ppsz_name = psz_string+1;
299 /* *** "EXTINF:time,name" */
300 *ppsz_name = psz_item;