pls.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:8k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * pls.c : PLS playlist format import
- *****************************************************************************
- * Copyright (C) 2004 the VideoLAN team
- * $Id: 3c056b1b907eba970619e0febe7f8ef725dc76ae $
- *
- * Authors: Clément Stenac <zorglub@videolan.org>
- * Authors: Sigmund Augdal Helberg <dnumgis@videolan.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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_demux.h>
- #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 );
- /*****************************************************************************
- * Import_PLS: main import function
- *****************************************************************************/
- int Import_PLS( vlc_object_t *p_this )
- {
- demux_t *p_demux = (demux_t *)p_this;
- const uint8_t *p_peek;
- CHECK_PEEK( p_peek, 10 );
- if( POKE( p_peek, "[playlist]", 10 ) || POKE( p_peek, "[Reference]", 10 ) ||
- demux_IsPathExtension( p_demux, ".pls" ) || demux_IsForced( p_demux, "pls" ) )
- {
- ;
- }
- else return VLC_EGENERIC;
- STANDARD_DEMUX_INIT_MSG( "found valid PLS playlist file");
- p_demux->p_sys->psz_prefix = FindPrefix( p_demux );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Deactivate: frees unused data
- *****************************************************************************/
- void Close_PLS( 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 );
- }
- static int Demux( demux_t *p_demux )
- {
- mtime_t i_duration = -1;
- char *psz_name = NULL;
- char *psz_line;
- char *psz_mrl = NULL;
- char *psz_mrl_orig = NULL;
- char *psz_key;
- char *psz_value;
- int i_item = -1;
- int i_new_item = 0;
- int i_key_length;
- input_item_t *p_input;
- INIT_PLAYLIST_STUFF;
- while( ( psz_line = stream_ReadLine( p_demux->s ) ) )
- {
- if( !strncasecmp( psz_line, "[playlist]", sizeof("[playlist]")-1 ) ||
- !strncasecmp( psz_line, "[Reference]", sizeof("[Reference]")-1 ) )
- {
- free( psz_line );
- continue;
- }
- psz_key = psz_line;
- psz_value = strchr( psz_line, '=' );
- if( psz_value )
- {
- *psz_value=' ';
- psz_value++;
- }
- else
- {
- msg_Warn( p_demux, "invalid line in pls file" );
- free( psz_line );
- continue;
- }
- if( !strcasecmp( psz_key, "version" ) )
- {
- msg_Dbg( p_demux, "pls file version: %s", psz_value );
- free( psz_line );
- continue;
- }
- if( !strcasecmp( psz_key, "numberofentries" ) )
- {
- msg_Dbg( p_demux, "pls should have %d entries", atoi(psz_value) );
- free( psz_line);
- continue;
- }
- /* find the number part of of file1, title1 or length1 etc */
- i_key_length = strlen( psz_key );
- if( i_key_length >= 4 ) /* Ref1 type case */
- {
- i_new_item = atoi( psz_key + 3 );
- if( i_new_item == 0 && i_key_length >= 5 ) /* file1 type case */
- {
- i_new_item = atoi( psz_key + 4 );
- if( i_new_item == 0 && i_key_length >= 6 ) /* title1 type case */
- {
- i_new_item = atoi( psz_key + 5 );
- if( i_new_item == 0 && i_key_length >= 7 ) /* length1 type case */
- {
- i_new_item = atoi( psz_key + 6 );
- }
- }
- }
- }
- if( i_new_item == 0 )
- {
- msg_Warn( p_demux, "couldn't find number of items" );
- free( psz_line );
- continue;
- }
- if( i_item == -1 )
- {
- i_item = i_new_item;
- }
- /* we found a new item, insert the previous */
- if( i_item != i_new_item )
- {
- if( psz_mrl )
- {
- p_input = input_item_New( p_demux, psz_mrl, psz_name );
- input_item_CopyOptions( p_current_input, p_input );
- input_item_AddSubItem( p_current_input, p_input );
- vlc_gc_decref( p_input );
- }
- else
- {
- msg_Warn( p_demux, "no file= part found for item %d", i_item );
- }
- free( psz_name );
- psz_name = NULL;
- i_duration = -1;
- i_item = i_new_item;
- i_new_item = 0;
- }
- if( !strncasecmp( psz_key, "file", sizeof("file") -1 ) ||
- !strncasecmp( psz_key, "Ref", sizeof("Ref") -1 ) )
- {
- free( psz_mrl_orig );
- psz_mrl_orig =
- psz_mrl = ProcessMRL( psz_value, p_demux->p_sys->psz_prefix );
- if( !strncasecmp( psz_key, "Ref", sizeof("Ref") -1 ) )
- {
- if( !strncasecmp( psz_mrl, "http://", sizeof("http://") -1 ) )
- {
- psz_mrl++;
- psz_mrl[0] = 'm';
- psz_mrl[1] = 'm';
- psz_mrl[2] = 's';
- }
- }
- }
- else if( !strncasecmp( psz_key, "title", sizeof("title") -1 ) )
- {
- free( psz_name );
- psz_name = strdup( psz_value );
- }
- else if( !strncasecmp( psz_key, "length", sizeof("length") -1 ) )
- {
- i_duration = atoi( psz_value );
- if( i_duration != -1 )
- {
- i_duration *= 1000000;
- }
- }
- else
- {
- msg_Warn( p_demux, "unknown key found in pls file: %s", psz_key );
- }
- free( psz_line );
- }
- /* Add last object */
- if( psz_mrl )
- {
- p_input = input_item_New( p_demux, psz_mrl, psz_name );
- input_item_CopyOptions( p_current_input, p_input );
- input_item_AddSubItem( p_current_input, p_input );
- vlc_gc_decref( p_input );
- free( psz_mrl_orig );
- psz_mrl = NULL;
- }
- else
- {
- msg_Warn( p_demux, "no file= part found for item %d", i_item );
- }
- free( psz_name );
- psz_name = NULL;
- HANDLE_PLAY_AND_RELEASE;
- 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;
- }