loadsave.c
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上传日期:2009-03-27
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- /*****************************************************************************
- * loadsave.c : Playlist loading / saving functions
- *****************************************************************************
- * Copyright (C) 1999-2004 VideoLAN
- * $Id: loadsave.c 8905 2004-10-04 13:34:42Z gbazin $
- *
- * Authors: Samuel Hocevar <sam@zoy.org>
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include <stdlib.h> /* free(), strtol() */
- #include <stdio.h> /* sprintf() */
- #include <string.h> /* strerror() */
- #include <errno.h>
- #include <vlc/vlc.h>
- #include <vlc/vout.h>
- #include <vlc/sout.h>
- #include <vlc/input.h>
- #include "vlc_playlist.h"
- #define PLAYLIST_FILE_HEADER "# vlc playlist file version 0.5"
- /**
- * Import a certain playlist file into the playlist
- *
- * param p_playlist the playlist to which the new items will be added
- * param psz_filename the name of the playlistfile to import
- * return VLC_SUCCESS on success
- */
- int playlist_Import( playlist_t * p_playlist, const char *psz_filename )
- {
- playlist_item_t *p_item;
- char *psz_uri;
- int i_id;
- msg_Dbg( p_playlist, "clearing playlist");
- playlist_Clear( p_playlist );
- psz_uri = (char *)malloc(sizeof(char)*strlen(psz_filename) + 17 );
- sprintf( psz_uri, "file/playlist://%s", psz_filename);
- i_id = playlist_Add( p_playlist, psz_uri, psz_uri,
- PLAYLIST_INSERT , PLAYLIST_END);
- vlc_mutex_lock( &p_playlist->object_lock );
- p_item = playlist_ItemGetById( p_playlist, i_id );
- p_item->b_autodeletion = VLC_TRUE;
- vlc_mutex_unlock( &p_playlist->object_lock );
- playlist_Play(p_playlist);
- return VLC_SUCCESS;
- }
- /**
- * Export a playlist to a certain type of playlistfile
- *
- * param p_playlist the playlist to export
- * param psz_filename the location where the exported file will be saved
- * param psz_type the type of playlist file to create.
- * return VLC_SUCCESS on success
- */
- int playlist_Export( playlist_t * p_playlist, const char *psz_filename ,
- const char *psz_type)
- {
- module_t *p_module;
- playlist_export_t *p_export;
- msg_Info( p_playlist, "saving playlist to file %s", psz_filename );
- /* Prepare the playlist_export_t structure */
- p_export = (playlist_export_t *)malloc( sizeof(playlist_export_t) );
- if( !p_export)
- {
- msg_Err( p_playlist, "out of memory");
- return VLC_ENOMEM;
- }
- p_export->p_file = fopen( psz_filename, "wt" );
- if( !p_export->p_file )
- {
- msg_Err( p_playlist , "could not create playlist file %s"
- " (%s)", psz_filename, strerror(errno) );
- return VLC_EGENERIC;
- }
- p_playlist->p_private = (void *)p_export;
- /* Lock the playlist */
- vlc_mutex_lock( &p_playlist->object_lock );
- /* And call the module ! All work is done now */
- p_module = module_Need( p_playlist, "playlist export", psz_type, VLC_TRUE);
- if( !p_module )
- {
- msg_Warn( p_playlist, "failed to export playlist" );
- vlc_mutex_unlock( &p_playlist->object_lock );
- return VLC_ENOOBJ;
- }
- module_Unneed( p_playlist , p_module );
- fclose( p_export->p_file );
- vlc_mutex_unlock( &p_playlist->object_lock );
- return VLC_SUCCESS;
- }