/******************************************************************************
* xspf.c : XSPF playlist export functions
******************************************************************************
* Copyright (C) 2006-2009 the VideoLAN team
*
* Authors: Daniel Stränger <vlc at schmaller dot de>
* Yoann Peronneau <yoann@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.
*******************************************************************************/
/**
* \file modules/misc/playlist/xspf.c
* \brief XSPF playlist export functions
*/
#ifdef HAVE_CONFIG_H
# include
"config.h"
#endif
#include <vlc_common.h>
#include <vlc_input_item.h>
#include <vlc_playlist_export.h>
#include <vlc_strings.h>
#include <vlc_url.h>
#include <assert.h>
int xspf_export_playlist( vlc_object_t *p_this );
static char *input_xml( input_item_t *p_item,
char *(*func)(input_item_t *) )
{
char *tmp = func( p_item );
if( tmp == NULL )
return NULL;
char *ret = vlc_xml_encode( tmp );
free( tmp );
return ret;
}
/**
* \brief exports one item to file or traverse if item is a node
* \param p_item playlist item to export
* \param p_file file to write xml-converted item to
* \param p_i_count counter for track identifiers
*/
static void xspf_export_item( input_item_t *p_input, FILE *p_file, uint64_t id)
{
char *psz;
vlc_tick_t i_duration;
fputs(
"\t\t<track>\n", p_file );
/* -> the location */
char *psz_uri = input_xml( p_input, input_item_GetURI );
if( psz_uri && *psz_uri )
fprintf( p_file,
"\t\t\t<location>%s</location>\n", psz_uri );
/* -> the name/title (only if different from uri)*/
psz = input_xml( p_input, input_item_GetTitle );
if( psz && strcmp( psz_uri, psz ) )
fprintf( p_file,
"\t\t\t<title>%s</title>\n", psz );
free( psz );
free( psz_uri );
if( p_input->p_meta == NULL )
{
goto xspfexportitem_end;
}
/* -> the artist/creator */
psz = input_xml( p_input, input_item_GetArtist );
if( psz && *psz )
fprintf( p_file,
"\t\t\t<creator>%s</creator>\n", psz );
free( psz );
/* -> the album */
psz = input_xml( p_input, input_item_GetAlbum );
if( psz && *psz )
fprintf( p_file,
"\t\t\t<album>%s</album>\n", psz );
free( psz );
/* -> the track number */
psz = input_xml( p_input, input_item_GetTrackNum );
if( psz )
{
int i_tracknum = atoi( psz );
free( psz );
if( i_tracknum >
0 )
fprintf( p_file,
"\t\t\t<trackNum>%i</trackNum>\n", i_tracknum );
}
/* -> the description */
psz = input_xml( p_input, input_item_GetDescription );
if( psz && *psz )
fprintf( p_file,
"\t\t\t<annotation>%s</annotation>\n", psz );
free( psz );
psz = input_xml( p_input, input_item_GetURL );
if( psz && *psz )
fprintf( p_file,
"\t\t\t<info>%s</info>\n", psz );
free( psz );
psz = input_xml( p_input, input_item_GetArtURL );
if( psz && *psz )
fprintf( p_file,
"\t\t\t<image>%s</image>\n", psz );
free( psz );
xspfexportitem_end:
/* -> the duration */
i_duration = input_item_GetDuration( p_input );
if( i_duration >
0 )
fprintf( p_file,
"\t\t\t<duration>%"PRIu64
"</duration>\n",
MS_FROM_VLC_TICK(i_duration) );
/* export the intenal id and the input's options (bookmarks, ...)
* in <extension> */
fputs(
"\t\t\t<extension application=\""
"http://www.videolan.org/vlc/playlist/0\">\n", p_file );
/* print the id */
fprintf( p_file,
"\t\t\t\t<vlc:id>%"PRIu64
"</vlc:id>\n", id );
for(
int i =
0; i < p_input->i_options; i++ )
{
char* psz_src = p_input->ppsz_options[i];
char* psz_ret = NULL;
if ( psz_src[
0] ==
':' )
psz_src++;
psz_ret = vlc_xml_encode( psz_src );
if ( psz_ret == NULL )
continue;
fprintf( p_file,
"\t\t\t\t<vlc:option>%s</vlc:option>\n", psz_ret );
free( psz_ret );
}
fputs(
"\t\t\t</extension>\n", p_file );
fputs(
"\t\t</track>\n", p_file );
}
/**
* \brief Prints the XSPF header to file, writes each item by xspf_export_item()
* and closes the open xml elements
* \param p_this the VLC playlist object
* \return VLC_SUCCESS if some memory is available, otherwise VLC_ENOMEM
*/
int xspf_export_playlist( vlc_object_t *p_this )
{
struct vlc_playlist_export *p_export = (
struct vlc_playlist_export *) p_this;
/* write XSPF XML header */
fprintf( p_export->file,
"<?xml version=\"1.
0\
" encoding=\"UTF-
8\
"?>\n" );
fprintf( p_export->file,
"<playlist xmlns=\"http:
//xspf.org/ns/0/\" " \
"xmlns:vlc=\"http:
//www.videolan.org/vlc/playlist/ns/0/\" " \
"version=\"1\
">\n" );
fprintf( p_export->file,
"\t<trackList>\n" );
size_t count = vlc_playlist_view_Count(p_export->playlist_view);
for( size_t i =
0; i < count; ++i )
{
vlc_playlist_item_t *item =
vlc_playlist_view_Get(p_export->playlist_view, i);
input_item_t *media = vlc_playlist_item_GetMedia(item);
xspf_export_item(media, p_export->file, i);
}
fprintf( p_export->file,
"\t</trackList>\n" );
/* close the header elements */
fprintf( p_export->file,
"</playlist>\n" );
return VLC_SUCCESS;
}