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 *****************************************************************************/
28 #include <stdlib.h> /* malloc(), free() */
31 #include <vlc/input.h>
35 #include <errno.h> /* ENOMEM */
43 /*****************************************************************************
45 *****************************************************************************/
46 static int Demux( demux_t *p_demux);
47 static int Control( demux_t *p_demux, int i_query, va_list args );
48 static void parseEXTINF( char *psz_string, char **ppsz_artist, char **ppsz_name, int *pi_duration );
50 /*****************************************************************************
51 * Import_M3U: main import function
52 *****************************************************************************/
53 int E_(Import_M3U)( vlc_object_t *p_this )
55 demux_t *p_demux = (demux_t *)p_this;
57 CHECK_PEEK( p_peek, 8 );
59 if(! ( POKE( p_peek, "#EXTM3U", 7 ) || POKE( p_peek, "RTSPtext", 8 ) ||
60 isExtension( p_demux, ".m3u" ) || isExtension( p_demux, ".vlc" ) ||
61 /* A .ram file can contain a single rtsp link */
62 isExtension( p_demux, ".ram" ) || isExtension( p_demux, ".rm" ) ||
63 isDemux( p_demux, "m3u" ) ) )
66 STANDARD_DEMUX_INIT_MSG( "found valid M3U playlist" );
67 p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );
72 /*****************************************************************************
73 * Deactivate: frees unused data
74 *****************************************************************************/
75 void E_(Close_M3U)( vlc_object_t *p_this )
77 demux_t *p_demux = (demux_t *)p_this;
78 free( p_demux->p_sys->psz_prefix );
79 free( p_demux->p_sys );
82 static int Demux( demux_t *p_demux )
85 char *psz_name = NULL;
86 char *psz_artist = NULL;
87 int i_parsed_duration = 0;
88 mtime_t i_duration = -1;
89 const char**ppsz_options = NULL;
91 vlc_bool_t b_cleanup = VLC_FALSE;
92 input_item_t *p_input;
96 psz_line = stream_ReadLine( p_demux->s );
99 char *psz_parse = psz_line;
101 /* Skip leading tabs and spaces */
102 while( *psz_parse == ' ' || *psz_parse == '\t' ||
103 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
105 if( *psz_parse == '#' )
107 /* Parse extra info */
109 /* Skip leading tabs and spaces */
110 while( *psz_parse == ' ' || *psz_parse == '\t' ||
111 *psz_parse == '\n' || *psz_parse == '\r' ||
112 *psz_parse == '#' ) psz_parse++;
114 if( !*psz_parse ) goto error;
116 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
119 psz_parse += sizeof("EXTINF:") - 1;
120 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
121 if ( i_parsed_duration >= 0 )
122 i_duration = i_parsed_duration * 1000000;
124 psz_name = strdup( psz_name );
126 psz_artist = strdup( psz_artist );
128 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
129 sizeof("EXTVLCOPT:") -1 ) )
132 const char *psz_option;
133 psz_parse += sizeof("EXTVLCOPT:") -1;
134 if( !*psz_parse ) goto error;
136 psz_option = strdup( psz_parse );
138 INSERT_ELEM( ppsz_options, i_options, i_options,
142 else if( !strncasecmp( psz_parse, "RTSPtext", sizeof("RTSPtext") -1 ) )
144 ;/* special case to handle QuickTime RTSPtext redirect files */
146 else if( *psz_parse )
149 if( !psz_name || !*psz_name )
151 /* Use filename as name for relative entries */
152 psz_name = strdup( psz_parse );
155 psz_mrl = E_(ProcessMRL)( psz_parse, p_demux->p_sys->psz_prefix );
157 b_cleanup = VLC_TRUE;
158 if( !psz_mrl ) goto error;
160 EnsureUTF8( psz_name );
161 EnsureUTF8( psz_mrl );
163 for( i = 0; i< i_options; i++ )
164 EnsureUTF8( (char*)ppsz_options[i] );
166 p_input = input_ItemNewExt( p_playlist, psz_mrl, psz_name,
167 i_options, ppsz_options, i_duration );
168 if ( psz_artist && *psz_artist )
169 input_ItemAddInfo( p_input, _(VLC_META_INFO_CAT),
170 _(VLC_META_ARTIST), "%s", psz_artist );
171 playlist_BothAddInput( p_playlist, p_input, p_item_in_category,
172 PLAYLIST_APPEND | PLAYLIST_SPREPARSE,
179 /* Fetch another line */
181 psz_line = stream_ReadLine( p_demux->s );
182 if( !psz_line ) b_cleanup = VLC_TRUE;
187 while( i_options-- ) free( (char*)ppsz_options[i_options] );
188 if( ppsz_options ) free( ppsz_options );
189 ppsz_options = NULL; i_options = 0;
190 if( psz_name ) free( psz_name );
192 if ( psz_artist ) free( psz_artist );
194 i_parsed_duration = 0;
197 b_cleanup = VLC_FALSE;
200 HANDLE_PLAY_AND_RELEASE;
201 return -1; /* Needed for correct operation of go back */
204 static int Control( demux_t *p_demux, int i_query, va_list args )
209 static void parseEXTINF(char *psz_string, char **ppsz_artist,
210 char **ppsz_name, int *pi_duration)
213 char *psz_item = NULL;
215 end = psz_string + strlen( psz_string );
217 /* ignore whitespaces */
218 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
221 /* duration: read to next comma */
222 psz_item = psz_string;
223 psz_string = strchr( psz_string, ',' );
227 *pi_duration = atoi( psz_item );
234 if ( psz_string < end ) /* continue parsing if possible */
237 /* analyse the remaining string */
238 psz_item = strstr( psz_string, " - " );
240 /* here we have the 0.8.2+ format with artist */
243 /* *** "EXTINF:time,artist - name" */
245 *ppsz_artist = psz_string;
246 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
250 /* reaching this point means: 0.8.1- with artist or something without artist */
251 if ( *psz_string == ',' )
253 /* *** "EXTINF:time,,name" */
255 *ppsz_name = psz_string;
259 psz_item = psz_string;
260 psz_string = strchr( psz_string, ',' );
263 /* *** "EXTINF:time,artist,name" */
265 *ppsz_artist = psz_item;
266 *ppsz_name = psz_string+1;
270 /* *** "EXTINF:time,name" */
271 *ppsz_name = psz_item;