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 *****************************************************************************/
33 #include <vlc_common.h>
34 #include <vlc_demux.h>
35 #include <vlc_charset.h>
44 /*****************************************************************************
46 *****************************************************************************/
47 static int Demux( demux_t *p_demux);
48 static int Control( demux_t *p_demux, int i_query, va_list args );
49 static void parseEXTINF( char *psz_string, char **ppsz_artist, char **ppsz_name, int *pi_duration );
51 /*****************************************************************************
52 * Import_M3U: main import function
53 *****************************************************************************/
54 int Import_M3U( vlc_object_t *p_this )
56 demux_t *p_demux = (demux_t *)p_this;
57 const uint8_t *p_peek;
58 CHECK_PEEK( p_peek, 8 );
60 if(! ( POKE( p_peek, "#EXTM3U", 7 ) || POKE( p_peek, "RTSPtext", 8 ) ||
61 demux_IsPathExtension( p_demux, ".m3u" ) || demux_IsPathExtension( p_demux, ".vlc" ) ||
62 /* A .ram file can contain a single rtsp link */
63 demux_IsPathExtension( p_demux, ".ram" ) || demux_IsPathExtension( p_demux, ".rm" ) ||
64 demux_IsForced( p_demux, "m3u" ) ) )
67 STANDARD_DEMUX_INIT_MSG( "found valid M3U playlist" );
68 p_demux->p_sys->psz_prefix = FindPrefix( p_demux );
73 /*****************************************************************************
74 * Deactivate: frees unused data
75 *****************************************************************************/
76 void Close_M3U( vlc_object_t *p_this )
78 demux_t *p_demux = (demux_t *)p_this;
79 free( p_demux->p_sys->psz_prefix );
80 free( p_demux->p_sys );
85 static inline char *MaybeFromLocaleDup (const char *str)
90 return IsUTF8 (str) ? strdup (str) : FromLocaleDup (str);
94 static inline void MaybeFromLocaleRep (char **str)
96 char *const orig_str = *str;
98 if ((orig_str != NULL) && !IsUTF8 (orig_str))
100 *str = FromLocaleDup (orig_str);
106 static int Demux( demux_t *p_demux )
109 char *psz_name = NULL;
110 char *psz_artist = NULL;
111 int i_parsed_duration = 0;
112 mtime_t i_duration = -1;
113 const char**ppsz_options = NULL;
115 bool b_cleanup = false;
116 input_item_t *p_input;
120 psz_line = stream_ReadLine( p_demux->s );
123 char *psz_parse = psz_line;
125 /* Skip leading tabs and spaces */
126 while( *psz_parse == ' ' || *psz_parse == '\t' ||
127 *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
129 if( *psz_parse == '#' )
131 /* Parse extra info */
133 /* Skip leading tabs and spaces */
134 while( *psz_parse == ' ' || *psz_parse == '\t' ||
135 *psz_parse == '\n' || *psz_parse == '\r' ||
136 *psz_parse == '#' ) psz_parse++;
138 if( !*psz_parse ) goto error;
140 if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) )
143 psz_parse += sizeof("EXTINF:") - 1;
144 parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration );
145 if( i_parsed_duration >= 0 )
146 i_duration = i_parsed_duration * INT64_C(1000000);
148 psz_name = strdup( psz_name );
150 psz_artist = strdup( psz_artist );
152 else if( !strncasecmp( psz_parse, "EXTVLCOPT:",
153 sizeof("EXTVLCOPT:") -1 ) )
157 psz_parse += sizeof("EXTVLCOPT:") -1;
158 if( !*psz_parse ) goto error;
160 psz_option = MaybeFromLocaleDup( psz_parse );
162 INSERT_ELEM( ppsz_options, i_options, i_options,
166 else if( !strncasecmp( psz_parse, "RTSPtext", sizeof("RTSPtext") -1 ) )
168 ;/* special case to handle QuickTime RTSPtext redirect files */
170 else if( *psz_parse )
173 if( !psz_name || !*psz_name )
175 /* Use filename as name for relative entries */
176 psz_name = MaybeFromLocaleDup( psz_parse );
179 psz_mrl = ProcessMRL( psz_parse, p_demux->p_sys->psz_prefix );
180 MaybeFromLocaleRep( &psz_mrl );
183 if( !psz_mrl ) goto error;
185 p_input = input_ItemNewExt( p_playlist, psz_mrl, psz_name,
186 0, NULL, i_duration );
188 if ( psz_artist && *psz_artist )
189 input_item_SetArtist( p_input, psz_artist );
191 input_ItemAddSubItem( p_current_input, p_input );
192 for( unsigned i = 0; i < i_options; i++ )
193 input_ItemAddOpt( p_input, ppsz_options[i], 0 );
194 vlc_gc_decref( p_input );
200 /* Fetch another line */
202 psz_line = stream_ReadLine( p_demux->s );
203 if( !psz_line ) b_cleanup = true;
208 while( i_options-- ) free( (char*)ppsz_options[i_options] );
209 free( ppsz_options );
210 ppsz_options = NULL; i_options = 0;
215 i_parsed_duration = 0;
221 HANDLE_PLAY_AND_RELEASE;
222 var_Destroy( p_demux, "m3u-extvlcopt" );
223 return 0; /* Needed for correct operation of go back */
226 static int Control( demux_t *p_demux, int i_query, va_list args )
228 VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(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;