1 /*****************************************************************************
2 * m3u.c : M3U playlist format import
3 *****************************************************************************
4 * Copyright (C) 2004 VideoLAN
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Sigmund Augdal <sigmunau@idi.ntnu.no>
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
28 #include <stdlib.h> /* malloc(), free() */
31 #include <vlc/input.h>
34 #include <errno.h> /* ENOMEM */
42 /*****************************************************************************
44 *****************************************************************************/
45 static int Demux( demux_t *p_demux);
46 static int Control( demux_t *p_demux, int i_query, va_list args );
48 /*****************************************************************************
49 * Import_M3U: main import function
50 *****************************************************************************/
51 int Import_M3U( vlc_object_t *p_this )
53 demux_t *p_demux = (demux_t *)p_this;
58 if( stream_Peek( p_demux->s , &p_peek, 7 ) < 7 )
62 psz_ext = strrchr ( p_demux->psz_path, '.' );
64 if( !strncmp( p_peek, "#EXTM3U", 7 ) )
68 else if( ( psz_ext && !strcasecmp( psz_ext, ".m3u") ) ||
69 ( psz_ext && !strcasecmp( psz_ext, ".ram") ) ||
70 /* A .ram file can contain a single rtsp link */
71 ( p_demux->psz_demux && !strcmp(p_demux->psz_demux, "m3u") ) )
79 msg_Dbg( p_demux, "found valid M3U playlist file");
81 p_demux->pf_control = Control;
82 p_demux->pf_demux = Demux;
83 p_demux->p_sys = malloc( sizeof(demux_sys_t) );
84 if( p_demux->p_sys == NULL )
86 msg_Err( p_demux, "Out of memory" );
89 p_demux->p_sys->psz_prefix = FindPrefix( p_demux );
94 /*****************************************************************************
95 * Deactivate: frees unused data
96 *****************************************************************************/
97 void Close_M3U( vlc_object_t *p_this )
99 demux_t *p_demux = (demux_t *)p_this;
101 if( p_demux->p_sys->psz_prefix ) free( p_demux->p_sys->psz_prefix );
102 free( p_demux->p_sys );
105 static int Demux( demux_t *p_demux )
107 playlist_t *p_playlist;
110 char *psz_name = NULL;
111 mtime_t i_duration = -1;
112 char **ppsz_options = NULL;
113 int i_options = 0, i;
115 playlist_item_t *p_item, *p_current;
119 vlc_bool_t b_cleanup = VLC_FALSE;
121 p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST,
125 msg_Err( p_demux, "can't find playlist" );
129 b_play = FindItem( p_demux, p_playlist, &p_current );
131 playlist_ItemToNode( p_playlist, p_current );
132 p_current->input.i_type = ITEM_TYPE_PLAYLIST;
134 psz_line = stream_ReadLine( p_demux->s );
137 char *psz_parse = psz_line;
139 /* Skip leading tabs and spaces */
140 while( *psz_parse == ' ' || *psz_parse == '\t' ||
141 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
143 if( *psz_parse == '#' )
145 /* Parse extra info */
147 /* Skip leading tabs and spaces */
148 while( *psz_parse == ' ' || *psz_parse == '\t' ||
149 *psz_parse == '\n' || *psz_parse == '\r' ||
150 *psz_parse == '#' ) psz_parse++;
152 if( !*psz_parse ) goto error;
154 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
158 psz_parse += sizeof("EXTINF:") - 1;
159 while( *psz_parse == '\t' || *psz_parse == ' ' ) psz_parse++;
161 psz_duration = psz_parse;
162 psz_parse = strchr( psz_parse, ',' );
167 psz_name = strdup( psz_parse );
168 i_duration = atoi( psz_duration );
169 if( i_duration != -1 ) i_duration *= 1000000;
172 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
173 sizeof("EXTVLCOPT:") -1 ) )
178 psz_parse += sizeof("EXTVLCOPT:") -1;
179 if( !*psz_parse ) goto error;
181 psz_option = strdup( psz_parse );
183 INSERT_ELEM( ppsz_options, i_options, i_options,
187 else if( *psz_parse )
189 if( !psz_name || !*psz_name )
191 psz_name = strdup( psz_parse ); /* Use filename as name for relative entries */
194 ProcessMRL( psz_parse, p_demux->p_sys->psz_prefix );
196 b_cleanup = VLC_TRUE;
197 if( !psz_mrl ) goto error;
199 p_item = playlist_ItemNew( p_playlist, psz_mrl, psz_name );
200 for( i = 0; i< i_options; i++ )
202 playlist_ItemAddOption( p_item, ppsz_options[i] );
204 p_item->input.i_duration = i_duration;
206 playlist_NodeAddItem( p_playlist, p_item,
207 p_current->pp_parents[0]->i_view,
208 p_current, PLAYLIST_APPEND,
211 /* We need to declare the parents of the node as the
212 * * same of the parent's ones */
213 playlist_CopyParents( p_current, p_item );
215 vlc_input_item_CopyOptions( &p_current->input,
223 /* Fetch another line */
225 psz_line = stream_ReadLine( p_demux->s );
226 if( !psz_line ) b_cleanup = VLC_TRUE;
231 while( i_options-- ) free( ppsz_options[i_options] );
232 if( ppsz_options ) free( ppsz_options );
233 ppsz_options = NULL; i_options = 0;
234 if( psz_name ) free( psz_name );
238 b_cleanup = VLC_FALSE;
242 /* Go back and play the playlist */
245 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
246 p_playlist->status.i_view,
247 p_playlist->status.p_item, NULL );
250 vlc_object_release( p_playlist );
254 static int Control( demux_t *p_demux, int i_query, va_list args )