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 /* A .ram file can contain a single rtsp link */
74 ( p_demux->psz_demux && !strcmp(p_demux->psz_demux, "m3u") ) )
82 msg_Dbg( p_demux, "found valid M3U playlist file");
84 p_demux->pf_control = Control;
85 p_demux->pf_demux = Demux;
86 p_demux->p_sys = malloc( sizeof(demux_sys_t) );
87 if( p_demux->p_sys == NULL )
89 msg_Err( p_demux, "Out of memory" );
92 p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );
97 /*****************************************************************************
98 * Deactivate: frees unused data
99 *****************************************************************************/
100 void E_(Close_M3U)( vlc_object_t *p_this )
102 demux_t *p_demux = (demux_t *)p_this;
104 if( p_demux->p_sys->psz_prefix ) free( p_demux->p_sys->psz_prefix );
105 free( p_demux->p_sys );
108 static int Demux( demux_t *p_demux )
110 playlist_t *p_playlist;
113 char *psz_name = NULL;
114 char *psz_artist = NULL;
115 int i_parsed_duration = 0;
116 mtime_t i_duration = -1;
117 char **ppsz_options = NULL;
118 int i_options = 0, i;
120 playlist_item_t *p_item, *p_current;
124 vlc_bool_t b_cleanup = VLC_FALSE;
126 p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST,
130 msg_Err( p_demux, "can't find playlist" );
134 b_play = E_(FindItem)( p_demux, p_playlist, &p_current );
136 playlist_ItemToNode( p_playlist, p_current );
137 p_current->input.i_type = ITEM_TYPE_PLAYLIST;
139 psz_line = stream_ReadLine( p_demux->s );
142 char *psz_parse = psz_line;
144 /* Skip leading tabs and spaces */
145 while( *psz_parse == ' ' || *psz_parse == '\t' ||
146 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
148 if( *psz_parse == '#' )
150 /* Parse extra info */
152 /* Skip leading tabs and spaces */
153 while( *psz_parse == ' ' || *psz_parse == '\t' ||
154 *psz_parse == '\n' || *psz_parse == '\r' ||
155 *psz_parse == '#' ) psz_parse++;
157 if( !*psz_parse ) goto error;
159 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
162 psz_parse += sizeof("EXTINF:") - 1;
163 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
164 if ( i_parsed_duration >= 0 )
165 i_duration = i_parsed_duration * 1000000;
167 psz_name = strdup( psz_name );
169 psz_artist = strdup( psz_artist );
171 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
172 sizeof("EXTVLCOPT:") -1 ) )
176 psz_parse += sizeof("EXTVLCOPT:") -1;
177 if( !*psz_parse ) goto error;
179 psz_option = strdup( psz_parse );
181 INSERT_ELEM( ppsz_options, i_options, i_options,
185 else if( *psz_parse )
188 if( !psz_name || !*psz_name )
190 /* Use filename as name for relative entries */
191 psz_name = strdup( psz_parse );
194 psz_mrl = E_(ProcessMRL)( psz_parse, p_demux->p_sys->psz_prefix );
196 b_cleanup = VLC_TRUE;
197 if( !psz_mrl ) goto error;
199 EnsureUTF8( psz_name );
200 EnsureUTF8( psz_mrl );
202 p_item = playlist_ItemNew( p_playlist, psz_mrl, psz_name );
203 for( i = 0; i< i_options; i++ )
205 EnsureUTF8( ppsz_options[i] );
206 playlist_ItemAddOption( p_item, ppsz_options[i] );
208 p_item->input.i_duration = i_duration;
209 if ( psz_artist && *psz_artist )
210 vlc_input_item_AddInfo( &p_item->input, _(VLC_META_INFO_CAT),
211 _(VLC_META_ARTIST), "%s", psz_artist );
212 playlist_NodeAddItem( p_playlist, p_item,
213 p_current->pp_parents[0]->i_view,
214 p_current, PLAYLIST_APPEND,
217 /* We need to declare the parents of the node as the
218 * * same of the parent's ones */
219 playlist_CopyParents( p_current, p_item );
221 vlc_input_item_CopyOptions( &p_current->input,
229 /* Fetch another line */
231 psz_line = stream_ReadLine( p_demux->s );
232 if( !psz_line ) b_cleanup = VLC_TRUE;
237 while( i_options-- ) free( ppsz_options[i_options] );
238 if( ppsz_options ) free( ppsz_options );
239 ppsz_options = NULL; i_options = 0;
240 if( psz_name ) free( psz_name );
242 if ( psz_artist ) free( psz_artist );
244 i_parsed_duration = 0;
247 b_cleanup = VLC_FALSE;
251 /* Go back and play the playlist */
252 if( b_play && p_playlist->status.p_item &&
253 p_playlist->status.p_item->i_children > 0 )
255 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
256 p_playlist->status.i_view,
257 p_playlist->status.p_item,
258 p_playlist->status.p_item->pp_children[0] );
261 vlc_object_release( p_playlist );
265 static int Control( demux_t *p_demux, int i_query, va_list args )
270 static void parseEXTINF(char *psz_string, char **ppsz_artist,
271 char **ppsz_name, int *pi_duration)
274 char *psz_item = NULL;
276 end = psz_string + strlen( psz_string );
278 /* ignore whitespaces */
279 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
282 /* duration: read to next comma */
283 psz_item = psz_string;
284 psz_string = strchr( psz_string, ',' );
288 *pi_duration = atoi( psz_item );
295 if ( psz_string < end ) /* continue parsing if possible */
298 /* analyse the remaining string */
299 psz_item = strstr( psz_string, " - " );
301 /* here we have the 0.8.2+ format with artist */
304 /* *** "EXTINF:time,artist - name" */
306 *ppsz_artist = psz_string;
307 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
311 /* reaching this point means: 0.8.1- with artist or something without artist */
312 if ( *psz_string == ',' )
314 /* *** "EXTINF:time,,name" */
316 *ppsz_name = psz_string;
320 psz_item = psz_string;
321 psz_string = strchr( psz_string, ',' );
324 /* *** "EXTINF:time,artist,name" */
326 *ppsz_artist = psz_item;
327 *ppsz_name = psz_string+1;
331 /* *** "EXTINF:time,name" */
332 *ppsz_name = psz_item;