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 *****************************************************************************/
33 #include <vlc_common.h>
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 );
50 static bool ContainsURL( demux_t *p_demux );
52 /*****************************************************************************
53 * Import_M3U: main import function
54 *****************************************************************************/
55 int Import_M3U( vlc_object_t *p_this )
57 demux_t *p_demux = (demux_t *)p_this;
58 const uint8_t *p_peek;
59 CHECK_PEEK( p_peek, 8 );
61 if(! ( POKE( p_peek, "#EXTM3U", 7 ) || POKE( p_peek, "RTSPtext", 8 ) ||
62 demux_IsPathExtension( p_demux, ".m3u" ) || demux_IsPathExtension( p_demux, ".vlc" ) ||
63 /* A .ram file can contain a single rtsp link */
64 demux_IsPathExtension( p_demux, ".ram" ) || demux_IsPathExtension( p_demux, ".rm" ) ||
65 demux_IsForced( p_demux, "m3u" ) || ContainsURL( p_demux ) ) )
68 STANDARD_DEMUX_INIT_MSG( "found valid M3U playlist" );
69 p_demux->p_sys->psz_prefix = FindPrefix( p_demux );
74 static bool ContainsURL( demux_t *p_demux )
80 i_peek = stream_Peek( p_demux->s, &p_peek, 1024 );
81 if( i_peek <= 0 ) return false;
82 p_peek_end = p_peek + i_peek;
84 while( p_peek + sizeof( "https://" ) < p_peek_end )
86 /* One line starting with an URL is enough */
87 if( !strncasecmp( p_peek, "http://", sizeof( "http://" ) - 1 ) ||
88 !strncasecmp( p_peek, "mms://", sizeof( "mms://" ) - 1 ) ||
89 !strncasecmp( p_peek, "rtsp://", sizeof( "rtsp://" ) - 1 ) ||
90 !strncasecmp( p_peek, "https://", sizeof( "https://" ) - 1 ) ||
91 !strncasecmp( p_peek, "ftp://", sizeof( "ftp://" ) - 1 ) )
95 /* Comments and blank lines are ignored */
96 else if( *p_peek != '#' && *p_peek != '\n' && *p_peek != '\r')
101 while( p_peek < p_peek_end && *p_peek != '\n' )
103 if ( *p_peek == '\n' )
109 /*****************************************************************************
110 * Deactivate: frees unused data
111 *****************************************************************************/
112 void Close_M3U( vlc_object_t *p_this )
114 demux_t *p_demux = (demux_t *)p_this;
115 free( p_demux->p_sys->psz_prefix );
116 free( p_demux->p_sys );
121 static inline char *MaybeFromLocaleDup (const char *str)
126 return IsUTF8 (str) ? strdup (str) : FromLocaleDup (str);
130 static inline void MaybeFromLocaleRep (char **str)
132 char *const orig_str = *str;
134 if ((orig_str != NULL) && !IsUTF8 (orig_str))
136 *str = FromLocaleDup (orig_str);
142 static int Demux( demux_t *p_demux )
145 char *psz_name = NULL;
146 char *psz_artist = NULL;
147 int i_parsed_duration = 0;
148 mtime_t i_duration = -1;
149 const char**ppsz_options = NULL;
151 bool b_cleanup = false;
152 input_item_t *p_input;
156 psz_line = stream_ReadLine( p_demux->s );
159 char *psz_parse = psz_line;
161 /* Skip leading tabs and spaces */
162 while( *psz_parse == ' ' || *psz_parse == '\t' ||
163 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
165 if( *psz_parse == '#' )
167 /* Parse extra info */
169 /* Skip leading tabs and spaces */
170 while( *psz_parse == ' ' || *psz_parse == '\t' ||
171 *psz_parse == '\n' || *psz_parse == '\r' ||
172 *psz_parse == '#' ) psz_parse++;
174 if( !*psz_parse ) goto error;
176 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
179 psz_parse += sizeof("EXTINF:") - 1;
180 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
181 if( i_parsed_duration >= 0 )
182 i_duration = i_parsed_duration * INT64_C(1000000);
184 psz_name = strdup( psz_name );
186 psz_artist = strdup( psz_artist );
188 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
189 sizeof("EXTVLCOPT:") -1 ) )
193 psz_parse += sizeof("EXTVLCOPT:") -1;
194 if( !*psz_parse ) goto error;
196 psz_option = MaybeFromLocaleDup( psz_parse );
198 INSERT_ELEM( ppsz_options, i_options, i_options,
202 else if( !strncasecmp( psz_parse, "RTSPtext", sizeof("RTSPtext") -1 ) )
204 ;/* special case to handle QuickTime RTSPtext redirect files */
206 else if( *psz_parse )
209 if( !psz_name || !*psz_name )
211 /* Use filename as name for relative entries */
212 psz_name = MaybeFromLocaleDup( psz_parse );
215 psz_mrl = ProcessMRL( psz_parse, p_demux->p_sys->psz_prefix );
216 MaybeFromLocaleRep( &psz_mrl );
219 if( !psz_mrl ) goto error;
221 p_input = input_ItemNewExt( p_demux, psz_mrl, psz_name,
222 0, NULL, i_duration );
224 if ( psz_artist && *psz_artist )
225 input_item_SetArtist( p_input, psz_artist );
227 input_ItemAddSubItem( p_current_input, p_input );
228 for( int i = 0; i < i_options; i++ )
229 input_ItemAddOpt( p_input, ppsz_options[i], 0 );
230 vlc_gc_decref( p_input );
236 /* Fetch another line */
238 psz_line = stream_ReadLine( p_demux->s );
239 if( !psz_line ) b_cleanup = true;
244 while( i_options-- ) free( (char*)ppsz_options[i_options] );
245 free( ppsz_options );
246 ppsz_options = NULL; i_options = 0;
251 i_parsed_duration = 0;
257 HANDLE_PLAY_AND_RELEASE;
258 var_Destroy( p_demux, "m3u-extvlcopt" );
259 return 0; /* Needed for correct operation of go back */
262 static int Control( demux_t *p_demux, int i_query, va_list args )
264 VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);
268 static void parseEXTINF(char *psz_string, char **ppsz_artist,
269 char **ppsz_name, int *pi_duration)
272 char *psz_item = NULL;
274 end = psz_string + strlen( psz_string );
276 /* ignore whitespaces */
277 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
280 /* duration: read to next comma */
281 psz_item = psz_string;
282 psz_string = strchr( psz_string, ',' );
286 *pi_duration = atoi( psz_item );
293 if ( psz_string < end ) /* continue parsing if possible */
296 /* analyse the remaining string */
297 psz_item = strstr( psz_string, " - " );
299 /* here we have the 0.8.2+ format with artist */
302 /* *** "EXTINF:time,artist - name" */
304 *ppsz_artist = psz_string;
305 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
309 /* reaching this point means: 0.8.1- with artist or something without artist */
310 if ( *psz_string == ',' )
312 /* *** "EXTINF:time,,name" */
314 *ppsz_name = psz_string;
318 psz_item = psz_string;
319 psz_string = strchr( psz_string, ',' );
322 /* *** "EXTINF:time,artist,name" */
324 *ppsz_artist = psz_item;
325 *ppsz_name = psz_string+1;
329 /* *** "EXTINF:time,name" */
330 *ppsz_name = psz_item;