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 demux_IsForced( p_demux, "m3u" ) || ContainsURL( p_demux ) ) )
66 STANDARD_DEMUX_INIT_MSG( "found valid M3U playlist" );
67 p_demux->p_sys->psz_prefix = FindPrefix( p_demux );
72 static bool ContainsURL( demux_t *p_demux )
74 const uint8_t *p_peek, *p_peek_end;
77 i_peek = stream_Peek( p_demux->s, &p_peek, 1024 );
78 if( i_peek <= 0 ) return false;
79 p_peek_end = p_peek + i_peek;
81 while( p_peek + sizeof( "https://" ) < p_peek_end )
83 /* One line starting with an URL is enough */
84 if( !strncasecmp( (const char *)p_peek, "http://", 7 ) ||
85 !strncasecmp( (const char *)p_peek, "mms://", 6 ) ||
86 !strncasecmp( (const char *)p_peek, "rtsp://", 7 ) ||
87 !strncasecmp( (const char *)p_peek, "https://", 8 ) ||
88 !strncasecmp( (const char *)p_peek, "ftp://", 6 ) )
92 /* Comments and blank lines are ignored */
93 else if( *p_peek != '#' && *p_peek != '\n' && *p_peek != '\r')
98 while( p_peek < p_peek_end && *p_peek != '\n' )
100 if ( *p_peek == '\n' )
106 /*****************************************************************************
107 * Deactivate: frees unused data
108 *****************************************************************************/
109 void Close_M3U( vlc_object_t *p_this )
111 demux_t *p_demux = (demux_t *)p_this;
112 free( p_demux->p_sys->psz_prefix );
113 free( p_demux->p_sys );
117 static int Demux( demux_t *p_demux )
120 char *psz_name = NULL;
121 char *psz_artist = NULL;
122 int i_parsed_duration = 0;
123 mtime_t i_duration = -1;
124 const char**ppsz_options = NULL;
126 bool b_cleanup = false;
127 input_item_t *p_input;
129 input_item_t *p_current_input = GetCurrentItem(p_demux);
131 psz_line = stream_ReadLine( p_demux->s );
134 char *psz_parse = psz_line;
136 /* Skip leading tabs and spaces */
137 while( *psz_parse == ' ' || *psz_parse == '\t' ||
138 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
140 if( *psz_parse == '#' )
142 /* Parse extra info */
144 /* Skip leading tabs and spaces */
145 while( *psz_parse == ' ' || *psz_parse == '\t' ||
146 *psz_parse == '\n' || *psz_parse == '\r' ||
147 *psz_parse == '#' ) psz_parse++;
149 if( !*psz_parse ) goto error;
151 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
154 psz_parse += sizeof("EXTINF:") - 1;
155 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
156 if( i_parsed_duration >= 0 )
157 i_duration = i_parsed_duration * INT64_C(1000000);
159 psz_name = FromLocaleDup( psz_name );
161 psz_artist = FromLocaleDup( psz_artist );
163 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
164 sizeof("EXTVLCOPT:") -1 ) )
168 psz_parse += sizeof("EXTVLCOPT:") -1;
169 if( !*psz_parse ) goto error;
171 psz_option = FromLocaleDup( psz_parse );
173 INSERT_ELEM( ppsz_options, i_options, i_options,
177 else if( !strncasecmp( psz_parse, "RTSPtext", sizeof("RTSPtext") -1 ) )
179 ;/* special case to handle QuickTime RTSPtext redirect files */
181 else if( *psz_parse )
185 psz_parse = FromLocale( psz_parse );
186 if( !psz_name && psz_parse )
187 /* Use filename as name for relative entries */
188 psz_name = strdup( psz_parse );
190 psz_mrl = ProcessMRL( psz_parse, p_demux->p_sys->psz_prefix );
193 if( !psz_mrl ) goto error;
195 p_input = input_item_NewExt( p_demux, psz_mrl, psz_name,
196 i_options, ppsz_options, 0, i_duration );
198 LocaleFree( psz_parse );
201 if ( psz_artist && *psz_artist )
202 input_item_SetArtist( p_input, psz_artist );
204 input_item_AddSubItem( p_current_input, p_input );
205 vlc_gc_decref( p_input );
210 /* Fetch another line */
212 psz_line = stream_ReadLine( p_demux->s );
213 if( !psz_line ) b_cleanup = true;
218 while( i_options-- ) free( (char*)ppsz_options[i_options] );
219 free( ppsz_options );
220 ppsz_options = NULL; i_options = 0;
225 i_parsed_duration = 0;
231 vlc_gc_decref(p_current_input);
232 var_Destroy( p_demux, "m3u-extvlcopt" );
233 return 0; /* Needed for correct operation of go back */
236 static int Control( demux_t *p_demux, int i_query, va_list args )
238 VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);
242 static void parseEXTINF(char *psz_string, char **ppsz_artist,
243 char **ppsz_name, int *pi_duration)
246 char *psz_item = NULL;
248 end = psz_string + strlen( psz_string );
250 /* ignore whitespaces */
251 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
254 /* duration: read to next comma */
255 psz_item = psz_string;
256 psz_string = strchr( psz_string, ',' );
260 *pi_duration = atoi( psz_item );
267 if ( psz_string < end ) /* continue parsing if possible */
270 /* analyse the remaining string */
271 psz_item = strstr( psz_string, " - " );
273 /* here we have the 0.8.2+ format with artist */
276 /* *** "EXTINF:time,artist - name" */
278 *ppsz_artist = psz_string;
279 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
283 /* reaching this point means: 0.8.1- with artist or something without artist */
284 if ( *psz_string == ',' )
286 /* *** "EXTINF:time,,name" */
288 *ppsz_name = psz_string;
292 psz_item = psz_string;
293 psz_string = strchr( psz_string, ',' );
296 /* *** "EXTINF:time,artist,name" */
298 *ppsz_artist = psz_item;
299 *ppsz_name = psz_string+1;
303 /* *** "EXTINF:time,name" */
304 *ppsz_name = psz_item;