/***************************************************************************** * pls.c : PLS playlist format import ***************************************************************************** * Copyright (C) 2004 the VideoLAN team * $Id: pls.c 14790 2006-03-18 02:06:16Z xtophe $ * * 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 *****************************************************************************/#include <stdlib.h>                                      /* malloc(), free() */#include <vlc/vlc.h>#include <vlc/input.h>#include <vlc/intf.h>#include <errno.h>                                                 /* ENOMEM */#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 E_(Import_PLS)( vlc_object_t *p_this ){    demux_t *p_demux = (demux_t *)p_this;    uint8_t *p_peek;    char    *psz_ext;    if( stream_Peek( p_demux->s , &p_peek, 7 ) < 7 ) return VLC_EGENERIC;    psz_ext = strrchr ( p_demux->psz_path, '.' );    if( !strncasecmp( (char *)p_peek, "[playlist]", 10 ) )    {        ;    }    else if( ( psz_ext && !strcasecmp( psz_ext, ".pls") ) ||             ( p_demux->psz_demux && !strcmp(p_demux->psz_demux, "pls") ) )    {        ;    }    else return VLC_EGENERIC;    msg_Dbg( p_demux, "found valid PLS playlist file");    p_demux->pf_control = Control;    p_demux->pf_demux = Demux;    p_demux->p_sys = malloc( sizeof(demux_sys_t) );    if( p_demux->p_sys == NULL )    {        msg_Err( p_demux, "out of memory" );        return VLC_ENOMEM;    }    p_demux->p_sys->psz_prefix = E_(FindPrefix)( p_demux );    return VLC_SUCCESS;}/***************************************************************************** * Deactivate: frees unused data *****************************************************************************/void E_(Close_PLS)( vlc_object_t *p_this ){    demux_t *p_demux = (demux_t *)p_this;    if( p_demux->p_sys->psz_prefix )    {        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_key;    char          *psz_value;    playlist_t    *p_playlist;    int            i_position;    int            i_item = -1;    int            i_new_item = 0;    int            i_key_length;    playlist_item_t *p_parent;    vlc_bool_t b_play;    p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST,                                                 FIND_ANYWHERE );    if( !p_playlist )    {        msg_Err( p_demux, "can't find playlist" );        return -1;    }    b_play = E_(FindItem)( p_demux, p_playlist, &p_parent );    p_parent->input.i_type = ITEM_TYPE_PLAYLIST;    /* Change the item to a node */    if( p_parent->i_children == -1)    {        playlist_ItemToNode( p_playlist,p_parent );    }    while( ( psz_line = stream_ReadLine( p_demux->s ) ) )    {        if( !strncasecmp( psz_line, "[playlist]", sizeof("[playlist]")-1 ) )        {            free( psz_line );            continue;        }        psz_key = psz_line;        psz_value = strchr( psz_line, '=' );        if( psz_value )        {            *psz_value='\0';            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;        }        /* find the number part of of file1, title1 or length1 etc */        i_key_length = strlen( psz_key );        if( 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 )            {                playlist_item_t *p_item = playlist_ItemNew( p_playlist, psz_mrl,                                                            psz_name );                playlist_NodeAddItem( p_playlist,p_item,                                      p_parent->pp_parents[0]->i_view,                                      p_parent,                                      PLAYLIST_APPEND, PLAYLIST_END );                playlist_CopyParents( p_parent, p_item );                if( i_duration != -1 )                {                    //playlist_SetDuration( p_playlist, i_position, i_duration );                }                i_position++;                free( psz_mrl );                psz_mrl = NULL;                vlc_input_item_CopyOptions( &p_parent->input,                                            &p_item->input );            }            else            {                msg_Warn( p_demux, "no file= part found for item %d", i_item );            }            if( psz_name )            {                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 ) )        {            psz_mrl = E_(ProcessMRL)( psz_value, p_demux->p_sys->psz_prefix );        }        else if( !strncasecmp( psz_key, "title", sizeof("title") -1 ) )        {            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 )    {        playlist_item_t *p_item = playlist_ItemNew( p_playlist, psz_mrl,                                                    psz_name );        playlist_NodeAddItem( p_playlist,p_item,                              p_parent->pp_parents[0]->i_view,                              p_parent,                              PLAYLIST_APPEND, PLAYLIST_END );        playlist_CopyParents( p_parent, p_item );        if( i_duration != -1 )        {            //playlist_SetDuration( p_playlist, i_position, i_duration );        }        free( psz_mrl );        psz_mrl = NULL;        vlc_input_item_CopyOptions( &p_parent->input,                                    &p_item->input );    }    else    {        msg_Warn( p_demux, "no file= part found for item %d", i_item );    }    if( psz_name )    {        free( psz_name );        psz_name = NULL;    }    if( b_play && p_playlist->status.p_item &&        p_playlist->status.p_item->i_children > 0 )    {        playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,                          p_playlist->status.i_view,                          p_playlist->status.p_item,                          p_playlist->status.p_item->pp_children[0] );    }    vlc_object_release( p_playlist );    return VLC_SUCCESS;}static int Control( demux_t *p_demux, int i_query, va_list args ){    return VLC_EGENERIC;}