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>
42 char *(*pf_dup) (const char *);
45 /*****************************************************************************
47 *****************************************************************************/
48 static int Demux( demux_t *p_demux);
49 static int Control( demux_t *p_demux, int i_query, va_list args );
50 static void parseEXTINF( char *psz_string, char **ppsz_artist, char **ppsz_name, int *pi_duration );
51 static bool ContainsURL( demux_t *p_demux );
53 static char *GuessEncoding (const char *str)
55 return IsUTF8 (str) ? strdup (str) : FromLatin1 (str);
58 /*****************************************************************************
59 * Import_M3U: main import function
60 *****************************************************************************/
61 int Import_M3U( vlc_object_t *p_this )
63 demux_t *p_demux = (demux_t *)p_this;
64 const uint8_t *p_peek;
65 CHECK_PEEK( p_peek, 8 );
66 char *(*pf_dup) (const char *);
68 if( POKE( p_peek, "RTSPtext", 8 ) /* QuickTime */
69 || demux_IsPathExtension( p_demux, ".m3u8" )
70 || demux_IsForced( p_demux, "m3u8" ) )
71 pf_dup = strdup; /* UTF-8 */
73 if( POKE( p_peek, "#EXTM3U", 7 )
74 || demux_IsPathExtension( p_demux, ".m3u" )
75 || demux_IsPathExtension( p_demux, ".vlc" )
76 || demux_IsForced( p_demux, "m3u" )
77 || ContainsURL( p_demux ) )
78 pf_dup = GuessEncoding;
82 STANDARD_DEMUX_INIT_MSG( "found valid M3U playlist" );
83 p_demux->p_sys->psz_prefix = FindPrefix( p_demux );
84 p_demux->p_sys->pf_dup = pf_dup;
89 static bool ContainsURL( demux_t *p_demux )
91 const uint8_t *p_peek, *p_peek_end;
94 i_peek = stream_Peek( p_demux->s, &p_peek, 1024 );
95 if( i_peek <= 0 ) return false;
96 p_peek_end = p_peek + i_peek;
98 while( p_peek + sizeof( "https://" ) < p_peek_end )
100 /* One line starting with an URL is enough */
101 if( !strncasecmp( (const char *)p_peek, "http://", 7 ) ||
102 !strncasecmp( (const char *)p_peek, "mms://", 6 ) ||
103 !strncasecmp( (const char *)p_peek, "rtsp://", 7 ) ||
104 !strncasecmp( (const char *)p_peek, "https://", 8 ) ||
105 !strncasecmp( (const char *)p_peek, "ftp://", 6 ) )
109 /* Comments and blank lines are ignored */
110 else if( *p_peek != '#' && *p_peek != '\n' && *p_peek != '\r')
115 while( p_peek < p_peek_end && *p_peek != '\n' )
117 if ( *p_peek == '\n' )
123 /*****************************************************************************
124 * Deactivate: frees unused data
125 *****************************************************************************/
126 void Close_M3U( vlc_object_t *p_this )
128 demux_t *p_demux = (demux_t *)p_this;
129 free( p_demux->p_sys->psz_prefix );
130 free( p_demux->p_sys );
134 static int Demux( demux_t *p_demux )
137 char *psz_name = NULL;
138 char *psz_artist = NULL;
139 int i_parsed_duration = 0;
140 mtime_t i_duration = -1;
141 const char**ppsz_options = NULL;
142 char * (*pf_dup) (const char *) = p_demux->p_sys->pf_dup;
144 bool b_cleanup = false;
145 input_item_t *p_input;
147 input_item_t *p_current_input = GetCurrentItem(p_demux);
149 psz_line = stream_ReadLine( p_demux->s );
152 char *psz_parse = psz_line;
154 /* Skip leading tabs and spaces */
155 while( *psz_parse == ' ' || *psz_parse == '\t' ||
156 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
158 if( *psz_parse == '#' )
160 /* Parse extra info */
162 /* Skip leading tabs and spaces */
163 while( *psz_parse == ' ' || *psz_parse == '\t' ||
164 *psz_parse == '\n' || *psz_parse == '\r' ||
165 *psz_parse == '#' ) psz_parse++;
167 if( !*psz_parse ) goto error;
169 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
172 psz_parse += sizeof("EXTINF:") - 1;
173 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
174 if( i_parsed_duration >= 0 )
175 i_duration = i_parsed_duration * INT64_C(1000000);
177 psz_name = pf_dup( psz_name );
179 psz_artist = pf_dup( psz_artist );
181 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
182 sizeof("EXTVLCOPT:") -1 ) )
186 psz_parse += sizeof("EXTVLCOPT:") -1;
187 if( !*psz_parse ) goto error;
189 psz_option = pf_dup( psz_parse );
191 INSERT_ELEM( ppsz_options, i_options, i_options,
195 else if( !strncasecmp( psz_parse, "RTSPtext", sizeof("RTSPtext") -1 ) )
197 ;/* special case to handle QuickTime RTSPtext redirect files */
199 else if( *psz_parse )
203 psz_parse = pf_dup( psz_parse );
204 if( !psz_name && psz_parse )
205 /* Use filename as name for relative entries */
206 psz_name = strdup( psz_parse );
208 psz_mrl = ProcessMRL( psz_parse, p_demux->p_sys->psz_prefix );
211 if( !psz_mrl ) goto error;
213 p_input = input_item_NewExt( p_demux, psz_mrl, psz_name,
214 i_options, ppsz_options, 0, i_duration );
216 LocaleFree( psz_parse );
219 if ( psz_artist && *psz_artist )
220 input_item_SetArtist( p_input, psz_artist );
221 if( psz_name ) input_item_SetTitle( p_input, psz_name );
223 input_item_AddSubItem( p_current_input, p_input );
224 vlc_gc_decref( p_input );
229 /* Fetch another line */
231 psz_line = stream_ReadLine( p_demux->s );
232 if( !psz_line ) b_cleanup = true;
237 while( i_options-- ) free( (char*)ppsz_options[i_options] );
238 free( ppsz_options );
239 ppsz_options = NULL; i_options = 0;
244 i_parsed_duration = 0;
250 vlc_gc_decref(p_current_input);
251 var_Destroy( p_demux, "m3u-extvlcopt" );
252 return 0; /* Needed for correct operation of go back */
255 static int Control( demux_t *p_demux, int i_query, va_list args )
257 VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);
261 static void parseEXTINF(char *psz_string, char **ppsz_artist,
262 char **ppsz_name, int *pi_duration)
265 char *psz_item = NULL;
267 end = psz_string + strlen( psz_string );
269 /* ignore whitespaces */
270 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
273 /* duration: read to next comma */
274 psz_item = psz_string;
275 psz_string = strchr( psz_string, ',' );
279 *pi_duration = atoi( psz_item );
286 if ( psz_string < end ) /* continue parsing if possible */
289 /* analyse the remaining string */
290 psz_item = strstr( psz_string, " - " );
292 /* here we have the 0.8.2+ format with artist */
295 /* *** "EXTINF:time,artist - name" */
297 *ppsz_artist = psz_string;
298 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
302 /* reaching this point means: 0.8.1- with artist or something without artist */
303 if ( *psz_string == ',' )
305 /* *** "EXTINF:time,,name" */
307 *ppsz_name = psz_string;
311 psz_item = psz_string;
312 psz_string = strchr( psz_string, ',' );
315 /* *** "EXTINF:time,artist,name" */
317 *ppsz_artist = psz_item;
318 *ppsz_name = psz_string+1;
322 /* *** "EXTINF:time,name" */
323 *ppsz_name = psz_item;