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;
60 if( stream_Peek( p_demux->s , &p_peek, 7 ) < 7 )
64 psz_ext = strrchr ( p_demux->psz_path, '.' );
66 if( !strncmp( (char *)p_peek, "#EXTM3U", 7 ) )
70 else if( ( psz_ext && !strcasecmp( psz_ext, ".m3u") ) ||
71 ( psz_ext && !strcasecmp( psz_ext, ".ram") ) ||
72 ( psz_ext && !strcasecmp( psz_ext, ".rm") ) ||
73 ( psz_ext && !strcasecmp( psz_ext, ".vlc") ) ||
74 /* A .ram file can contain a single rtsp link */
75 ( p_demux->psz_demux && !strcmp(p_demux->psz_demux, "m3u") ) )
83 msg_Dbg( p_demux, "found valid M3U playlist file");
85 p_demux->pf_control = Control;
86 p_demux->pf_demux = Demux;
87 p_demux->p_sys = malloc( sizeof(demux_sys_t) );
88 if( p_demux->p_sys == NULL )
90 msg_Err( p_demux, "Out of memory" );
93 p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );
98 /*****************************************************************************
99 * Deactivate: frees unused data
100 *****************************************************************************/
101 void E_(Close_M3U)( vlc_object_t *p_this )
103 demux_t *p_demux = (demux_t *)p_this;
105 if( p_demux->p_sys->psz_prefix ) free( p_demux->p_sys->psz_prefix );
106 free( p_demux->p_sys );
109 static int Demux( demux_t *p_demux )
112 char *psz_name = NULL;
113 char *psz_artist = NULL;
114 int i_parsed_duration = 0;
115 mtime_t i_duration = -1;
116 const char**ppsz_options = NULL;
117 int i_options = 0, i;
118 vlc_bool_t b_cleanup = VLC_FALSE;
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 * 1000000;
150 psz_name = strdup( psz_name );
152 psz_artist = strdup( psz_artist );
154 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
155 sizeof("EXTVLCOPT:") -1 ) )
158 const char *psz_option;
159 psz_parse += sizeof("EXTVLCOPT:") -1;
160 if( !*psz_parse ) goto error;
162 psz_option = strdup( psz_parse );
164 INSERT_ELEM( ppsz_options, i_options, i_options,
168 else if( *psz_parse )
171 if( !psz_name || !*psz_name )
173 /* Use filename as name for relative entries */
174 psz_name = strdup( psz_parse );
177 psz_mrl = E_(ProcessMRL)( psz_parse, p_demux->p_sys->psz_prefix );
179 b_cleanup = VLC_TRUE;
180 if( !psz_mrl ) goto error;
182 EnsureUTF8( psz_name );
183 EnsureUTF8( psz_mrl );
185 for( i = 0; i< i_options; i++ )
186 EnsureUTF8( (char*)ppsz_options[i] );
188 p_input = input_ItemNewExt( p_playlist, psz_mrl, psz_name,
189 i_options, ppsz_options, i_duration );
190 if ( psz_artist && *psz_artist )
191 vlc_input_item_AddInfo( p_input, _(VLC_META_INFO_CAT),
192 _(VLC_META_ARTIST), "%s", psz_artist );
193 msg_Dbg( p_demux, "Adding %s\n", p_input->psz_uri );
194 playlist_AddWhereverNeeded( p_playlist, p_input, p_current,
195 p_item_in_category, (i_parent_id > 0 )? VLC_TRUE : VLC_FALSE,
202 /* Fetch another line */
204 psz_line = stream_ReadLine( p_demux->s );
205 if( !psz_line ) b_cleanup = VLC_TRUE;
210 while( i_options-- ) free( (char*)ppsz_options[i_options] );
211 if( ppsz_options ) free( ppsz_options );
212 ppsz_options = NULL; i_options = 0;
213 if( psz_name ) free( psz_name );
215 if ( psz_artist ) free( psz_artist );
217 i_parsed_duration = 0;
220 b_cleanup = VLC_FALSE;
223 HANDLE_PLAY_AND_RELEASE;
227 static int Control( demux_t *p_demux, int i_query, va_list args )
232 static void parseEXTINF(char *psz_string, char **ppsz_artist,
233 char **ppsz_name, int *pi_duration)
236 char *psz_item = NULL;
238 end = psz_string + strlen( psz_string );
240 /* ignore whitespaces */
241 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
244 /* duration: read to next comma */
245 psz_item = psz_string;
246 psz_string = strchr( psz_string, ',' );
250 *pi_duration = atoi( psz_item );
257 if ( psz_string < end ) /* continue parsing if possible */
260 /* analyse the remaining string */
261 psz_item = strstr( psz_string, " - " );
263 /* here we have the 0.8.2+ format with artist */
266 /* *** "EXTINF:time,artist - name" */
268 *ppsz_artist = psz_string;
269 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
273 /* reaching this point means: 0.8.1- with artist or something without artist */
274 if ( *psz_string == ',' )
276 /* *** "EXTINF:time,,name" */
278 *ppsz_name = psz_string;
282 psz_item = psz_string;
283 psz_string = strchr( psz_string, ',' );
286 /* *** "EXTINF:time,artist,name" */
288 *ppsz_artist = psz_item;
289 *ppsz_name = psz_string+1;
293 /* *** "EXTINF:time,name" */
294 *ppsz_name = psz_item;