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 ( psz_ext && !strcasecmp( psz_ext, ".rm") ) ||
71 /* A .ram file can contain a single rtsp link */
72 ( p_demux->psz_demux && !strcmp(p_demux->psz_demux, "m3u") ) )
80 msg_Dbg( p_demux, "found valid M3U playlist file");
82 p_demux->pf_control = Control;
83 p_demux->pf_demux = Demux;
84 p_demux->p_sys = malloc( sizeof(demux_sys_t) );
85 if( p_demux->p_sys == NULL )
87 msg_Err( p_demux, "Out of memory" );
90 p_demux->p_sys->psz_prefix = FindPrefix( p_demux );
95 /*****************************************************************************
96 * Deactivate: frees unused data
97 *****************************************************************************/
98 void Close_M3U( vlc_object_t *p_this )
100 demux_t *p_demux = (demux_t *)p_this;
102 if( p_demux->p_sys->psz_prefix ) free( p_demux->p_sys->psz_prefix );
103 free( p_demux->p_sys );
106 static int Demux( demux_t *p_demux )
108 playlist_t *p_playlist;
111 char *psz_name = NULL;
112 mtime_t i_duration = -1;
113 char **ppsz_options = NULL;
114 int i_options = 0, i;
116 playlist_item_t *p_item, *p_current;
120 vlc_bool_t b_cleanup = VLC_FALSE;
122 p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST,
126 msg_Err( p_demux, "can't find playlist" );
130 b_play = FindItem( p_demux, p_playlist, &p_current );
132 playlist_ItemToNode( p_playlist, p_current );
133 p_current->input.i_type = ITEM_TYPE_PLAYLIST;
135 psz_line = stream_ReadLine( p_demux->s );
138 char *psz_parse = psz_line;
140 /* Skip leading tabs and spaces */
141 while( *psz_parse == ' ' || *psz_parse == '\t' ||
142 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
144 if( *psz_parse == '#' )
146 /* Parse extra info */
148 /* Skip leading tabs and spaces */
149 while( *psz_parse == ' ' || *psz_parse == '\t' ||
150 *psz_parse == '\n' || *psz_parse == '\r' ||
151 *psz_parse == '#' ) psz_parse++;
153 if( !*psz_parse ) goto error;
155 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
159 psz_parse += sizeof("EXTINF:") - 1;
160 while( *psz_parse == '\t' || *psz_parse == ' ' ) psz_parse++;
162 psz_duration = psz_parse;
163 psz_parse = strchr( psz_parse, ',' );
168 psz_name = strdup( psz_parse );
169 i_duration = atoi( psz_duration );
170 if( i_duration != -1 ) i_duration *= 1000000;
173 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
174 sizeof("EXTVLCOPT:") -1 ) )
179 psz_parse += sizeof("EXTVLCOPT:") -1;
180 if( !*psz_parse ) goto error;
182 psz_option = strdup( psz_parse );
184 INSERT_ELEM( ppsz_options, i_options, i_options,
188 else if( *psz_parse )
191 if( !psz_name || !*psz_name )
193 /* Use filename as name for relative entries */
194 psz_name = strdup( psz_parse );
197 psz_mrl = ProcessMRL( psz_parse, p_demux->p_sys->psz_prefix );
199 b_cleanup = VLC_TRUE;
200 if( !psz_mrl ) goto error;
202 p_item = playlist_ItemNew( p_playlist, psz_mrl, psz_name );
203 for( i = 0; i< i_options; i++ )
205 playlist_ItemAddOption( p_item, ppsz_options[i] );
207 p_item->input.i_duration = i_duration;
209 playlist_NodeAddItem( p_playlist, p_item,
210 p_current->pp_parents[0]->i_view,
211 p_current, PLAYLIST_APPEND,
214 /* We need to declare the parents of the node as the
215 * * same of the parent's ones */
216 playlist_CopyParents( p_current, p_item );
218 vlc_input_item_CopyOptions( &p_current->input,
226 /* Fetch another line */
228 psz_line = stream_ReadLine( p_demux->s );
229 if( !psz_line ) b_cleanup = VLC_TRUE;
234 while( i_options-- ) free( ppsz_options[i_options] );
235 if( ppsz_options ) free( ppsz_options );
236 ppsz_options = NULL; i_options = 0;
237 if( psz_name ) free( psz_name );
241 b_cleanup = VLC_FALSE;
245 /* Go back and play the playlist */
246 if( b_play && p_playlist->status.p_item &&
247 p_playlist->status.p_item->i_children > 0 )
249 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
250 p_playlist->status.i_view,
251 p_playlist->status.p_item,
252 p_playlist->status.p_item->pp_children[0] );
255 vlc_object_release( p_playlist );
259 static int Control( demux_t *p_demux, int i_query, va_list args )