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>
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 );
47 static void parseEXTINF( char *psz_string, char **ppsz_artist, char **ppsz_name, int *pi_duration );
49 /*****************************************************************************
50 * Import_M3U: main import function
51 *****************************************************************************/
52 int E_(Import_M3U)( vlc_object_t *p_this )
54 demux_t *p_demux = (demux_t *)p_this;
59 if( stream_Peek( p_demux->s , &p_peek, 7 ) < 7 )
63 psz_ext = strrchr ( p_demux->psz_path, '.' );
65 if( !strncmp( (char *)p_peek, "#EXTM3U", 7 ) )
69 else if( ( psz_ext && !strcasecmp( psz_ext, ".m3u") ) ||
70 ( psz_ext && !strcasecmp( psz_ext, ".ram") ) ||
71 ( psz_ext && !strcasecmp( psz_ext, ".rm") ) ||
72 /* A .ram file can contain a single rtsp link */
73 ( p_demux->psz_demux && !strcmp(p_demux->psz_demux, "m3u") ) )
81 msg_Dbg( p_demux, "found valid M3U playlist file");
83 p_demux->pf_control = Control;
84 p_demux->pf_demux = Demux;
85 p_demux->p_sys = malloc( sizeof(demux_sys_t) );
86 if( p_demux->p_sys == NULL )
88 msg_Err( p_demux, "Out of memory" );
91 p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );
96 /*****************************************************************************
97 * Deactivate: frees unused data
98 *****************************************************************************/
99 void E_(Close_M3U)( vlc_object_t *p_this )
101 demux_t *p_demux = (demux_t *)p_this;
103 if( p_demux->p_sys->psz_prefix ) free( p_demux->p_sys->psz_prefix );
104 free( p_demux->p_sys );
107 static int Demux( demux_t *p_demux )
109 playlist_t *p_playlist;
112 char *psz_name = NULL;
113 char *psz_artist = NULL;
114 int i_parsed_duration = 0;
115 mtime_t i_duration = -1;
116 char **ppsz_options = NULL;
117 int i_options = 0, i;
119 playlist_item_t *p_item, *p_current;
123 vlc_bool_t b_cleanup = VLC_FALSE;
125 p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST,
129 msg_Err( p_demux, "can't find playlist" );
133 b_play = E_(FindItem)( p_demux, p_playlist, &p_current );
135 playlist_ItemToNode( p_playlist, p_current );
136 p_current->input.i_type = ITEM_TYPE_PLAYLIST;
138 psz_line = stream_ReadLine( p_demux->s );
141 char *psz_parse = psz_line;
143 /* Skip leading tabs and spaces */
144 while( *psz_parse == ' ' || *psz_parse == '\t' ||
145 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
147 if( *psz_parse == '#' )
149 /* Parse extra info */
151 /* Skip leading tabs and spaces */
152 while( *psz_parse == ' ' || *psz_parse == '\t' ||
153 *psz_parse == '\n' || *psz_parse == '\r' ||
154 *psz_parse == '#' ) psz_parse++;
156 if( !*psz_parse ) goto error;
158 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
161 psz_parse += sizeof("EXTINF:") - 1;
162 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
163 if ( i_parsed_duration >= 0 )
164 i_duration = i_parsed_duration * 1000000;
166 psz_name = strdup( psz_name );
168 psz_artist = strdup( psz_artist );
170 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
171 sizeof("EXTVLCOPT:") -1 ) )
175 psz_parse += sizeof("EXTVLCOPT:") -1;
176 if( !*psz_parse ) goto error;
178 psz_option = strdup( psz_parse );
180 INSERT_ELEM( ppsz_options, i_options, i_options,
184 else if( *psz_parse )
187 if( !psz_name || !*psz_name )
189 /* Use filename as name for relative entries */
190 psz_name = strdup( psz_parse );
193 psz_mrl = E_(ProcessMRL)( psz_parse, p_demux->p_sys->psz_prefix );
195 b_cleanup = VLC_TRUE;
196 if( !psz_mrl ) goto error;
198 EnsureUTF8( psz_name );
199 EnsureUTF8( psz_mrl );
201 p_item = playlist_ItemNew( p_playlist, psz_mrl, psz_name );
202 for( i = 0; i< i_options; i++ )
204 EnsureUTF8( ppsz_options[i] );
205 playlist_ItemAddOption( p_item, ppsz_options[i] );
207 p_item->input.i_duration = i_duration;
208 if ( psz_artist && *psz_artist )
209 vlc_input_item_AddInfo( &p_item->input, _("Meta-information"),
210 _("Artist"), "%s", psz_artist );
211 playlist_NodeAddItem( p_playlist, p_item,
212 p_current->pp_parents[0]->i_view,
213 p_current, PLAYLIST_APPEND,
216 /* We need to declare the parents of the node as the
217 * * same of the parent's ones */
218 playlist_CopyParents( p_current, p_item );
220 vlc_input_item_CopyOptions( &p_current->input,
228 /* Fetch another line */
230 psz_line = stream_ReadLine( p_demux->s );
231 if( !psz_line ) b_cleanup = VLC_TRUE;
236 while( i_options-- ) free( ppsz_options[i_options] );
237 if( ppsz_options ) free( ppsz_options );
238 ppsz_options = NULL; i_options = 0;
239 if( psz_name ) free( psz_name );
241 if ( psz_artist ) free( psz_artist );
243 i_parsed_duration = 0;
246 b_cleanup = VLC_FALSE;
250 /* Go back and play the playlist */
251 if( b_play && p_playlist->status.p_item &&
252 p_playlist->status.p_item->i_children > 0 )
254 playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
255 p_playlist->status.i_view,
256 p_playlist->status.p_item,
257 p_playlist->status.p_item->pp_children[0] );
260 vlc_object_release( p_playlist );
264 static int Control( demux_t *p_demux, int i_query, va_list args )
269 static void parseEXTINF(char *psz_string, char **ppsz_artist,
270 char **ppsz_name, int *pi_duration)
273 char *psz_item = NULL;
275 end = psz_string + strlen( psz_string );
277 /* ignore whitespaces */
278 for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' );
281 /* duration: read to next comma */
282 psz_item = psz_string;
283 psz_string = strchr( psz_string, ',' );
287 *pi_duration = atoi( psz_item );
294 if ( psz_string < end ) /* continue parsing if possible */
297 /* analyse the remaining string */
298 psz_item = strstr( psz_string, " - " );
300 /* here we have the 0.8.2+ format with artist */
303 /* *** "EXTINF:time,artist - name" */
305 *ppsz_artist = psz_string;
306 *ppsz_name = psz_item + 3; /* points directly after ' - ' */
310 /* reaching this point means: 0.8.1- with artist or something without artist */
311 if ( *psz_string == ',' )
313 /* *** "EXTINF:time,,name" */
315 *ppsz_name = psz_string;
319 psz_item = psz_string;
320 psz_string = strchr( psz_string, ',' );
323 /* *** "EXTINF:time,artist,name" */
325 *ppsz_artist = psz_item;
326 *ppsz_name = psz_string+1;
330 /* *** "EXTINF:time,name" */
331 *ppsz_name = psz_item;