/***************************************************************************** * m3u.c : M3U playlist format import ***************************************************************************** * Copyright (C) 2004 the VideoLAN team * $Id$ * * Authors: Clément Stenac * Sigmund Augdal Helberg * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include "playlist.h" struct demux_sys_t { char *psz_prefix; }; /***************************************************************************** * Local prototypes *****************************************************************************/ static int Demux( demux_t *p_demux); static int Control( demux_t *p_demux, int i_query, va_list args ); static void parseEXTINF( char *psz_string, char **ppsz_artist, char **ppsz_name, int *pi_duration ); /***************************************************************************** * Import_M3U: main import function *****************************************************************************/ int E_(Import_M3U)( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t *)p_this; const uint8_t *p_peek; CHECK_PEEK( p_peek, 8 ); if(! ( POKE( p_peek, "#EXTM3U", 7 ) || POKE( p_peek, "RTSPtext", 8 ) || demux_IsPathExtension( p_demux, ".m3u" ) || demux_IsPathExtension( p_demux, ".vlc" ) || /* A .ram file can contain a single rtsp link */ demux_IsPathExtension( p_demux, ".ram" ) || demux_IsPathExtension( p_demux, ".rm" ) || demux_IsForced( p_demux, "m3u" ) ) ) return VLC_EGENERIC; STANDARD_DEMUX_INIT_MSG( "found valid M3U playlist" ); p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux ); return VLC_SUCCESS; } /***************************************************************************** * Deactivate: frees unused data *****************************************************************************/ void E_(Close_M3U)( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t *)p_this; free( p_demux->p_sys->psz_prefix ); free( p_demux->p_sys ); } /* Gruik! */ static inline char *MaybeFromLocaleDup (const char *str) { if (str == NULL) return NULL; return IsUTF8 (str) ? strdup (str) : FromLocaleDup (str); } static inline void MaybeFromLocaleRep (char **str) { char *const orig_str = *str; if ((orig_str != NULL) && !IsUTF8 (orig_str)) { *str = FromLocaleDup (orig_str); free (orig_str); } } static int Demux( demux_t *p_demux ) { char *psz_line; char *psz_name = NULL; char *psz_artist = NULL; int i_parsed_duration = 0; mtime_t i_duration = -1; const char**ppsz_options = NULL; int i_options = 0; bool b_cleanup = false; input_item_t *p_input; INIT_PLAYLIST_STUFF; psz_line = stream_ReadLine( p_demux->s ); while( psz_line ) { char *psz_parse = psz_line; /* Skip leading tabs and spaces */ while( *psz_parse == ' ' || *psz_parse == '\t' || *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++; if( *psz_parse == '#' ) { /* Parse extra info */ /* Skip leading tabs and spaces */ while( *psz_parse == ' ' || *psz_parse == '\t' || *psz_parse == '\n' || *psz_parse == '\r' || *psz_parse == '#' ) psz_parse++; if( !*psz_parse ) goto error; if( !strncasecmp( psz_parse, "EXTINF:", sizeof("EXTINF:") -1 ) ) { /* Extended info */ psz_parse += sizeof("EXTINF:") - 1; parseEXTINF( psz_parse, &psz_artist, &psz_name, &i_parsed_duration ); if( i_parsed_duration >= 0 ) i_duration = i_parsed_duration * I64C(1000000); if( psz_name ) psz_name = strdup( psz_name ); if( psz_artist ) psz_artist = strdup( psz_artist ); } else if( !strncasecmp( psz_parse, "EXTVLCOPT:", sizeof("EXTVLCOPT:") -1 ) ) { /* VLC Option */ char *psz_option; psz_parse += sizeof("EXTVLCOPT:") -1; if( !*psz_parse ) goto error; psz_option = MaybeFromLocaleDup( psz_parse ); if( psz_option ) INSERT_ELEM( ppsz_options, i_options, i_options, psz_option ); } } else if( !strncasecmp( psz_parse, "RTSPtext", sizeof("RTSPtext") -1 ) ) { ;/* special case to handle QuickTime RTSPtext redirect files */ } else if( *psz_parse ) { char *psz_mrl; if( !psz_name || !*psz_name ) { /* Use filename as name for relative entries */ psz_name = MaybeFromLocaleDup( psz_parse ); } psz_mrl = E_(ProcessMRL)( psz_parse, p_demux->p_sys->psz_prefix ); MaybeFromLocaleRep( &psz_mrl ); b_cleanup = true; if( !psz_mrl ) goto error; p_input = input_ItemNewExt( p_playlist, psz_mrl, psz_name, 0, NULL, i_duration ); if ( psz_artist && *psz_artist ) input_ItemAddInfo( p_input, _(VLC_META_INFO_CAT), _(VLC_META_ARTIST), "%s", psz_artist ); input_ItemAddSubItem( p_current_input, p_input ); for( unsigned i = 0; i < i_options; i++ ) input_ItemAddOpt( p_input, ppsz_options[i], 0 ); vlc_gc_decref( p_input ); free( psz_mrl ); } error: /* Fetch another line */ free( psz_line ); psz_line = stream_ReadLine( p_demux->s ); if( !psz_line ) b_cleanup = true; if( b_cleanup ) { /* Cleanup state */ while( i_options-- ) free( (char*)ppsz_options[i_options] ); free( ppsz_options ); ppsz_options = NULL; i_options = 0; free( psz_name ); psz_name = NULL; free( psz_artist ); psz_artist = NULL; i_parsed_duration = 0; i_duration = -1; b_cleanup = false; } } HANDLE_PLAY_AND_RELEASE; var_Destroy( p_demux, "m3u-extvlcopt" ); return 0; /* Needed for correct operation of go back */ } static int Control( demux_t *p_demux, int i_query, va_list args ) { VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args); return VLC_EGENERIC; } static void parseEXTINF(char *psz_string, char **ppsz_artist, char **ppsz_name, int *pi_duration) { char *end = NULL; char *psz_item = NULL; end = psz_string + strlen( psz_string ); /* ignore whitespaces */ for (; psz_string < end && ( *psz_string == '\t' || *psz_string == ' ' ); psz_string++ ); /* duration: read to next comma */ psz_item = psz_string; psz_string = strchr( psz_string, ',' ); if ( psz_string ) { *psz_string = '\0'; *pi_duration = atoi( psz_item ); } else { return; } if ( psz_string < end ) /* continue parsing if possible */ psz_string++; /* analyse the remaining string */ psz_item = strstr( psz_string, " - " ); /* here we have the 0.8.2+ format with artist */ if ( psz_item ) { /* *** "EXTINF:time,artist - name" */ *psz_item = '\0'; *ppsz_artist = psz_string; *ppsz_name = psz_item + 3; /* points directly after ' - ' */ return; } /* reaching this point means: 0.8.1- with artist or something without artist */ if ( *psz_string == ',' ) { /* *** "EXTINF:time,,name" */ psz_string++; *ppsz_name = psz_string; return; } psz_item = psz_string; psz_string = strchr( psz_string, ',' ); if ( psz_string ) { /* *** "EXTINF:time,artist,name" */ *psz_string = '\0'; *ppsz_artist = psz_item; *ppsz_name = psz_string+1; } else { /* *** "EXTINF:time,name" */ *ppsz_name = psz_item; } return; }