]> git.sesse.net Git - vlc/blobdiff - modules/gui/macosx/playlistinfo.m
macosx: Make sure there is a title or a name for the input item.
[vlc] / modules / gui / macosx / playlistinfo.m
index 925addb56a72c05729dc64fb86ae2d407a5c2608..16a51c3350d643c436c4d151c84925b9c93af400 100644 (file)
@@ -1,11 +1,11 @@
 /*****************************************************************************
  r playlistinfo.m: MacOS X interface module
  *****************************************************************************
- * Copyright (C) 2002-2006 the VideoLAN team
+ * Copyright (C) 2002-2008 the VideoLAN team
  * $Id$
  *
  * Authors: Benjamin Pracht <bigben at videolan dot org>
- *          Felix Kühne <fkuehne at videolan dot org>
+ *          Felix Paul Kühne <fkuehne at videolan dot 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
 
 @implementation VLCInfo
 
-- (id)init
+static VLCInfo *_o_sharedInstance = nil;
+
++ (VLCInfo *)sharedInstance
 {
-    self = [super init];
+    return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
+}
 
-    if( self != nil )
-    {
-        p_item = NULL;
-        o_statUpdateTimer = nil;
+- (id)init
+{
+    if( _o_sharedInstance ) {
+        [self dealloc];
+    } else {
+        _o_sharedInstance = [super init];
+        
+        if( _o_sharedInstance != nil )
+        {
+            p_item = NULL;
+            o_statUpdateTimer = nil;
+            [self updatePanelWithItem: NULL];
+            rootItem = [[VLCInfoTreeItem alloc] init];
+        }
     }
-    return( self );
+
+    return _o_sharedInstance;
 }
 
 - (void)awakeFromNib
 {
     [o_info_window setExcludedFromWindowsMenu: TRUE];
 
-    [o_info_window setTitle: _NS("Information")];
-    [o_uri_lbl setStringValue: _NS("URI")];
+    [o_info_window setTitle: _NS("Media Information")];
+    [o_uri_lbl setStringValue: _NS("Location")];
     [o_title_lbl setStringValue: _NS("Title")];
-    [o_author_lbl setStringValue: _NS("Author")];
-    [o_btn_ok setTitle: _NS("OK")];
-    [o_btn_cancel setTitle: _NS("Cancel")];
-    
+    [o_author_lbl setStringValue: _NS("Artist")];
+    [o_saveMetaData_btn setStringValue: _NS("Save Metadata" )];
+
     [[o_tab_view tabViewItemAtIndex: 0] setLabel: _NS("General")];
-    [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Advanced Information")];
+    [[o_tab_view tabViewItemAtIndex: 1] setLabel: _NS("Codec Details")];
     [[o_tab_view tabViewItemAtIndex: 2] setLabel: _NS("Statistics")];
     [o_tab_view selectTabViewItemAtIndex: 0];
 
     /* constants defined in vlc_meta.h */
     [o_genre_lbl setStringValue: _NS(VLC_META_GENRE)];
     [o_copyright_lbl setStringValue: _NS(VLC_META_COPYRIGHT)];
-    [o_collection_lbl setStringValue: _NS(VLC_META_COLLECTION)];
-    [o_seqNum_lbl setStringValue: _NS(VLC_META_SEQ_NUM)];
+    [o_collection_lbl setStringValue: _NS(VLC_META_ALBUM)];
+    [o_seqNum_lbl setStringValue: _NS(VLC_META_TRACK_NUMBER)];
     [o_description_lbl setStringValue: _NS(VLC_META_DESCRIPTION)];
-    [o_rating_lbl setStringValue: _NS(VLC_META_RATING)];
     [o_date_lbl setStringValue: _NS(VLC_META_DATE)];
     [o_language_lbl setStringValue: _NS(VLC_META_LANGUAGE)];
     [o_nowPlaying_lbl setStringValue: _NS(VLC_META_NOW_PLAYING)];
     [o_publisher_lbl setStringValue: _NS(VLC_META_PUBLISHER)];
-    
+
     /* statistics */
     [o_input_box setTitle: _NS("Input")];
     [o_read_bytes_lbl setStringValue: _NS("Read at media")];
     [o_input_bitrate_lbl setStringValue: _NS("Input bitrate")];
     [o_demux_bytes_lbl setStringValue: _NS("Demuxed")];
     [o_demux_bitrate_lbl setStringValue: _NS("Stream bitrate")];
-    
+
     [o_video_box setTitle: _NS("Video")];
     [o_video_decoded_lbl setStringValue: _NS("Decoded blocks")];
     [o_displayed_lbl setStringValue: _NS("Displayed frames")];
     [o_lost_frames_lbl setStringValue: _NS("Lost frames")];
-    
+       [o_fps_lbl setStringValue: _NS("Frames per Second")];
+
     [o_sout_box setTitle: _NS("Streaming")];
     [o_sent_packets_lbl setStringValue: _NS("Sent packets")];
     [o_sent_bytes_lbl setStringValue: _NS("Sent bytes")];
     [o_sent_bitrate_lbl setStringValue: _NS("Send rate")];
-    
+
     [o_audio_box setTitle: _NS("Audio")];
     [o_audio_decoded_lbl setStringValue: _NS("Decoded blocks")];
     [o_played_abuffers_lbl setStringValue: _NS("Played buffers")];
     [o_lost_abuffers_lbl setStringValue: _NS("Lost buffers")];
+
+    [o_info_window setInitialFirstResponder: o_uri_txt];
+    [o_info_window setDelegate: self];
+
+    /* We may be awoken from nib way after initialiwation
+     * Update ourselves */
+    [self updatePanelWithItem:p_item];
+}
+
+- (void)stopTimers
+{
+    /* make sure that the timer is released in any case */
+    if( o_statUpdateTimer && [o_statUpdateTimer isValid] )
+        [o_statUpdateTimer invalidate];
+
+    [rootItem release];
+
+    [o_statUpdateTimer release];
+    o_statUpdateTimer = nil;
 }
 
 - (void)dealloc
 {
-    /* make that it is released in any case */
-    if ( o_statUpdateTimer )
-        [o_statUpdateTimer release];
+    /* make sure that the timer is released in any case */
+    if( o_statUpdateTimer && [o_statUpdateTimer isValid] )
+        [o_statUpdateTimer invalidate];
+
+    [o_statUpdateTimer release];
+
+    if( p_item ) vlc_gc_decref( p_item );
+
     [super dealloc];
 }
 
-- (IBAction)togglePlaylistInfoPanel:(id)sender
+- (void)windowDidBecomeKey:(NSNotification *)notification
 {
-    if( [o_info_window isVisible] )
-    {
-        [self windowShouldClose: nil];
-        [o_info_window orderOut: sender];
-    }
-    else
+    BOOL b_stats = config_GetInt(VLCIntf, "stats");
+    if( b_stats )
     {
-        p_item = [[[VLCMain sharedInstance] getPlaylist] selectedPlaylistItem];
-        [self initPanel:sender];
+        if( o_statUpdateTimer )
+        {
+            [o_statUpdateTimer invalidate];
+            [o_statUpdateTimer release];
+            o_statUpdateTimer = nil;
+        }
+        o_statUpdateTimer = [NSTimer scheduledTimerWithTimeInterval: 1
+            target: self selector: @selector(updateStatistics:)
+            userInfo: nil repeats: YES];
+        [o_statUpdateTimer fire];
+        [o_statUpdateTimer retain];
     }
 }
 
-- (IBAction)toggleInfoPanel:(id)sender
+- (BOOL)windowShouldClose:(id)sender
 {
-    if( [o_info_window isVisible] )
-    {
-        [self windowShouldClose: nil];
-        [o_info_window orderOut: sender];
-    }
-    else
-    {
-        intf_thread_t * p_intf = VLCIntf;
-        playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
-                                          FIND_ANYWHERE );
-
-        if( p_playlist )
-        {
-            p_item = p_playlist->status.p_item;
-            vlc_object_release( p_playlist );
-        }
+    if( [o_statUpdateTimer isValid] )
+        [o_statUpdateTimer invalidate];
 
-        BOOL b_stats = config_GetInt(VLCIntf, "stats");
-        if( b_stats )
-        {
-            o_statUpdateTimer = [NSTimer scheduledTimerWithTimeInterval: 1 \
-                target: self selector: @selector(updateStatistics:) \
-                userInfo: nil repeats: YES]; 
-            [o_statUpdateTimer fire];
-            [o_statUpdateTimer retain];
-        }
+    if( o_statUpdateTimer )
+        [o_statUpdateTimer release];
+    o_statUpdateTimer = nil;
+    return YES;
+}
 
-        [self initPanel:sender];
+- (void)initPanel
+{
+    BOOL b_stats = config_GetInt(VLCIntf, "stats");
+    if( !b_stats )
+    {
+        if( [o_tab_view numberOfTabViewItems] > 2 )
+            [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
     }
+
+    [self initMediaPanelStats];
+    [o_info_window makeKeyAndOrderFront: self];
 }
 
-- (void)initPanel:(id)sender
+- (void)initMediaPanelStats
 {
-    /* check whether our item is valid, because we would crash if not */
-    if(! [self isItemInPlaylist: p_item] ) return;
+    //Initializing Input Variables
+    [o_read_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f kB", (float)0]];
+    [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
+    [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f kB", (float)0]];
+    [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
+    
+    //Initializing Video Variables
+    [o_video_decoded_txt setIntValue:0];
+    [o_displayed_txt setIntValue:0];
+    [o_lost_frames_txt setIntValue:0];
+    [o_fps_txt setFloatValue:0];
+
+    //Initializing Output Variables
+    [o_sent_packets_txt setIntValue: 0];
+    [o_sent_bytes_txt setStringValue: [NSString stringWithFormat:@"%8.0f kB", (float)0]];
+    [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:@"%6.0f kb/s", (float)0]];
+
+    //Initializing Audio Variables
+    [o_audio_decoded_txt setIntValue:0];
+    [o_played_abuffers_txt setIntValue: 0];
+    [o_lost_abuffers_txt setIntValue: 0];
 
-    char *psz_temp;
-    vlc_mutex_lock( &p_item->input.lock );
+}
 
-    /* fill uri / title / author info */
-    if( p_item->input.psz_uri )
+- (void)updatePanelWithItem:(input_item_t *)_p_item;
+{
+    if( _p_item != p_item )
     {
-        [o_uri_txt setStringValue:
-            ([NSString stringWithUTF8String:p_item->input.psz_uri] == nil ) ?
-            [NSString stringWithCString:p_item->input.psz_uri] :
-            [NSString stringWithUTF8String:p_item->input.psz_uri]];
+        if( p_item ) vlc_gc_decref( p_item );
+        [o_saveMetaData_btn setEnabled: NO];
+        if( _p_item ) vlc_gc_incref( _p_item );
+        p_item = _p_item;
     }
 
-    if( p_item->input.psz_name )
+    if( !p_item )
     {
-        [o_title_txt setStringValue:
-            ([NSString stringWithUTF8String:p_item->input.psz_name] == nil ) ?
-            [NSString stringWithCString:p_item->input.psz_name] :
-            [NSString stringWithUTF8String:p_item->input.psz_name]];
+        /* Erase */
+    #define SET( foo ) \
+        [self setMeta: "" forLabel: o_##foo##_txt];
+        SET( uri );
+        SET( title );
+        SET( author );
+        SET( collection );
+        SET( seqNum );
+        SET( genre );
+        SET( copyright );
+        SET( publisher );
+        SET( nowPlaying );
+        SET( language );
+        SET( date );
+        SET( description );
+    #undef SET
+        [o_image_well setImage: [NSImage imageNamed: @"noart.png"]];
     }
-    vlc_mutex_unlock( &p_item->input.lock );
-
-    psz_temp = vlc_input_item_GetInfo( &p_item->input, _("Meta-information"), _("Artist") );
-
-    if( psz_temp )
+    else
     {
-        [o_author_txt setStringValue: [NSString stringWithUTF8String: psz_temp]];
-        free( psz_temp );
-    }
+        if( !input_item_IsPreparsed( p_item ) )
+        {
+            playlist_t * p_playlist = pl_Yield( VLCIntf );
+            playlist_PreparseEnqueue( p_playlist, p_item );
+            pl_Release( VLCIntf );
+        }
 
-    /* fill the other fields */
-    [self setMeta: VLC_META_GENRE forLabel: o_genre_txt];
-    [self setMeta: VLC_META_COPYRIGHT forLabel: o_copyright_txt];
-    [self setMeta: VLC_META_COLLECTION forLabel: o_collection_txt];
-    [self setMeta: VLC_META_SEQ_NUM forLabel: o_seqNum_txt];
-    [self setMeta: VLC_META_DESCRIPTION forLabel: o_description_txt];
-    [self setMeta: VLC_META_RATING forLabel: o_rating_txt];
-    [self setMeta: VLC_META_DATE forLabel: o_date_txt];
-    [self setMeta: VLC_META_LANGUAGE forLabel: o_language_txt];
-    [self setMeta: VLC_META_NOW_PLAYING forLabel: o_nowPlaying_txt];
-    [self setMeta: VLC_META_PUBLISHER forLabel: o_publisher_txt];
+        /* fill uri info */
+        char * psz_url = input_item_GetURI( p_item );
+        [o_uri_txt setStringValue: [NSString stringWithUTF8String: psz_url ? psz_url : ""  ]];
+        free( psz_url );
+
+        /* fill title info */
+        char * psz_title = input_item_GetTitle( p_item );
+        if( !psz_title )
+            psz_title = input_item_GetName( p_item );
+        [o_title_txt setStringValue: [NSString stringWithUTF8String: psz_title ? : ""  ]];
+        free( psz_title );
+
+    #define SET( foo, bar ) \
+        char *psz_##foo = input_item_Get##bar ( p_item ); \
+        [self setMeta: psz_##foo forLabel: o_##foo##_txt]; \
+        FREENULL( psz_##foo );
+
+        /* fill the other fields */
+        SET( author, Artist );
+        SET( collection, Album );
+        SET( seqNum, TrackNum );
+        SET( genre, Genre );
+        SET( copyright, Copyright );
+        SET( publisher, Publisher );
+        SET( nowPlaying, NowPlaying );
+        SET( language, Language );
+        SET( date, Date );
+        SET( description, Description );
+
+    #undef SET
+
+        char *psz_meta;
+        NSImage *o_image;
+        psz_meta = input_item_GetArtURL( p_item );
+        if( psz_meta && !strncmp( psz_meta, "file://", 7 ) )
+            o_image = [[NSImage alloc] initWithContentsOfFile: [NSString stringWithUTF8String: psz_meta+7]];
+        else
+            o_image = [[NSImage imageNamed: @"noart.png"] retain];
+        [o_image_well setImage: o_image];
+        [o_image release];
+        FREENULL( psz_meta );
+    }
 
     /* reload the advanced table */
-    [[VLCInfoTreeItem rootItem] refresh];
+    [rootItem refresh];
     [o_outline_view reloadData];
 
-    BOOL b_stats = config_GetInt(VLCIntf, "stats");
-    if(! b_stats )
-    {
-        if( [o_tab_view numberOfTabViewItems] > 2 )
-            [o_tab_view removeTabViewItem: [o_tab_view tabViewItemAtIndex: 2]];
-    }
-    else
-    {
-        [self updateStatistics: nil];
-    }
-    [o_info_window makeKeyAndOrderFront: sender];
+    /* update the stats once to display p_item change faster */
+    [self updateStatistics: nil];
+
 }
 
-- (void)setMeta: (char *)meta forLabel: (id)theItem
+- (void)setMeta: (char *)psz_meta forLabel: (id)theItem
 {
-    char *psz_meta = vlc_input_item_GetInfo( &p_item->input, \
-        _(VLC_META_INFO_CAT), _(meta) );
     if( psz_meta != NULL && *psz_meta)
-        [theItem setStringValue: [NSString stringWithUTF8String: psz_meta]];
+        [theItem setStringValue: [NSString stringWithUTF8String:psz_meta]];
     else
-        [theItem setStringValue: @"-"];
+        [theItem setStringValue: @""];
 }
 
 - (void)updateStatistics:(NSTimer*)theTimer
 {
-    if( [self isItemInPlaylist: p_item] )
+    if( !p_item || !p_item->p_stats )
     {
-        /* we can only do that if there's a valid input around */
-
-        vlc_mutex_lock( &p_item->input.p_stats->lock );
-
-        /* input */
-        [o_read_bytes_txt setStringValue: [NSString stringWithFormat: \
-            @"%8.0f kB", (float)(p_item->input.p_stats->i_read_bytes)/1000]];
-        [o_input_bitrate_txt setStringValue: [NSString stringWithFormat: \
-            @"%6.0f kb/s", (float)(p_item->input.p_stats->f_input_bitrate)*8000]];
-        [o_demux_bytes_txt setStringValue: [NSString stringWithFormat: \
-            @"%8.0f kB", (float)(p_item->input.p_stats->i_demux_read_bytes)/1000]];
-        [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat: \
-            @"%6.0f kb/s", (float)(p_item->input.p_stats->f_demux_bitrate)*8000]];
-
-        /* Video */
-        [o_video_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
-            p_item->input.p_stats->i_decoded_video]];
-        [o_displayed_txt setStringValue: [NSString stringWithFormat: @"%5i", \
-            p_item->input.p_stats->i_displayed_pictures]];
-        [o_lost_frames_txt setStringValue: [NSString stringWithFormat: @"%5i", \
-            p_item->input.p_stats->i_lost_pictures]];
-
-        /* Sout */
-        [o_sent_packets_txt setStringValue: [NSString stringWithFormat: @"%5i", \
-            p_item->input.p_stats->i_sent_packets]];
-        [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB", \
-            (float)(p_item->input.p_stats->i_sent_bytes)/1000]];
-        [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat: \
-            @"%6.0f kb/s", (float)(p_item->input.p_stats->f_send_bitrate*8)*1000]];
-
-        /* Audio */
-        [o_audio_decoded_txt setStringValue: [NSString stringWithFormat: @"%5i", \
-            p_item->input.p_stats->i_decoded_audio]];
-        [o_played_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
-            p_item->input.p_stats->i_played_abuffers]];
-        [o_lost_abuffers_txt setStringValue: [NSString stringWithFormat: @"%5i", \
-            p_item->input.p_stats->i_lost_abuffers]];
-
-        vlc_mutex_unlock( &p_item->input.p_stats->lock );
+        [self initMediaPanelStats];
+        return;
     }
+
+    vlc_mutex_lock( &p_item->p_stats->lock );
+
+    /* input */
+    [o_read_bytes_txt setStringValue: [NSString stringWithFormat:
+        @"%8.0f kB", (float)(p_item->p_stats->i_read_bytes)/1000]];
+    [o_input_bitrate_txt setStringValue: [NSString stringWithFormat:
+        @"%6.0f kb/s", (float)(p_item->p_stats->f_input_bitrate)*8000]];
+    [o_demux_bytes_txt setStringValue: [NSString stringWithFormat:
+        @"%8.0f kB", (float)(p_item->p_stats->i_demux_read_bytes)/1000]];
+    [o_demux_bitrate_txt setStringValue: [NSString stringWithFormat:
+        @"%6.0f kb/s", (float)(p_item->p_stats->f_demux_bitrate)*8000]];
+
+    /* Video */
+    [o_video_decoded_txt setIntValue: p_item->p_stats->i_decoded_video];
+    [o_displayed_txt setIntValue: p_item->p_stats->i_displayed_pictures];
+    [o_lost_frames_txt setIntValue: p_item->p_stats->i_lost_pictures];
+    float f_fps = 0;
+    /* FIXME: input_Control( p_item, INPUT_GET_VIDEO_FPS, &f_fps ); */
+    [o_fps_txt setFloatValue: f_fps];
+
+    /* Sout */
+    [o_sent_packets_txt setIntValue: p_item->p_stats->i_sent_packets];
+    [o_sent_bytes_txt setStringValue: [NSString stringWithFormat: @"%8.0f kB",
+        (float)(p_item->p_stats->i_sent_bytes)/1000]];
+    [o_sent_bitrate_txt setStringValue: [NSString stringWithFormat:
+        @"%6.0f kb/s", (float)(p_item->p_stats->f_send_bitrate*8)*1000]];
+
+    /* Audio */
+    [o_audio_decoded_txt setIntValue: p_item->p_stats->i_decoded_audio];
+    [o_played_abuffers_txt setIntValue: p_item->p_stats->i_played_abuffers];
+    [o_lost_abuffers_txt setIntValue: p_item->p_stats->i_lost_abuffers];
+
+    vlc_mutex_unlock( &p_item->p_stats->lock );
 }
 
-- (IBAction)infoCancel:(id)sender
+- (IBAction)metaFieldChanged:(id)sender
 {
-    [self windowShouldClose: nil];
-    [o_info_window orderOut: self];
+    [o_saveMetaData_btn setEnabled: YES];
 }
 
-
-- (IBAction)infoOk:(id)sender
+- (IBAction)saveMetaData:(id)sender
 {
-    intf_thread_t * p_intf = VLCIntf;
-    playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
-                                          FIND_ANYWHERE );
+    playlist_t * p_playlist = pl_Yield( VLCIntf );
     vlc_value_t val;
 
-    if( [self isItemInPlaylist: p_item] )
-    {
-        vlc_mutex_lock( &p_item->input.lock );
-
-        p_item->input.psz_uri = strdup( [[o_uri_txt stringValue] UTF8String] );
-        p_item->input.psz_name = strdup( [[o_title_txt stringValue] UTF8String] );
-        vlc_mutex_unlock( &p_item->input.lock );
-        vlc_input_item_AddInfo( &p_item->input, _("Meta-information"), _("Artist"), [[o_author_txt stringValue] UTF8String]);
-        
-        val.b_bool = VLC_TRUE;
-        var_Set( p_playlist, "intf-change", val );
-    }
-    vlc_object_release( p_playlist );
-    [self windowShouldClose: nil];
-    [o_info_window orderOut: self];
+    if( !p_item ) goto error;
+
+    meta_export_t p_export;
+    p_export.p_item = p_item;
+
+    /* we can write meta data only in a file */
+    vlc_mutex_lock( &p_item->lock );
+    int i_type = p_item->i_type;
+    vlc_mutex_unlock( &p_item->lock );
+
+    if( i_type != ITEM_TYPE_FILE )
+        goto error;
+
+    char *psz_uri_orig = input_item_GetURI( p_item );
+    char *psz_uri = psz_uri_orig;
+    if( !strncmp( psz_uri, "file://", 7 ) )
+        psz_uri += 7; /* strlen("file://") = 7 */
+
+    p_export.psz_file = strndup( psz_uri, PATH_MAX );
+    free( psz_uri_orig );
+
+    #define utf8( o_blub ) \
+        [[o_blub stringValue] UTF8String]
+
+    input_item_SetName( p_item, utf8( o_title_txt ) );
+    input_item_SetTitle( p_item, utf8( o_title_txt ) );
+    input_item_SetArtist( p_item, utf8( o_author_txt ) );
+    input_item_SetAlbum( p_item, utf8( o_collection_txt ) );
+    input_item_SetGenre( p_item, utf8( o_genre_txt ) );
+    input_item_SetTrackNum( p_item, utf8( o_seqNum_txt ) );
+    input_item_SetDate( p_item, utf8( o_date_txt ) );
+    input_item_SetCopyright( p_item, utf8( o_copyright_txt ) );
+    input_item_SetPublisher( p_item, utf8( o_publisher_txt ) );
+    input_item_SetDescription( p_item, utf8( o_description_txt ) );
+    input_item_SetLanguage( p_item, utf8( o_language_txt ) );
+
+    PL_LOCK;
+    p_playlist->p_private = &p_export;
+
+    module_t *p_mod = module_Need( p_playlist, "meta writer", NULL, 0 );
+    if( p_mod )
+        module_Unneed( p_playlist, p_mod );
+    PL_UNLOCK;
+
+    val.b_bool = true;
+    var_Set( p_playlist, "intf-change", val );
+    [self updatePanelWithItem: p_item];
+
+    pl_Release( VLCIntf );
+    [o_saveMetaData_btn setEnabled: NO];
+    return;
+
+error:
+    pl_Release( VLCIntf );
+    NSRunAlertPanel(_NS("Error while saving meta"),
+        _NS("Impossible to save the meta data."),
+        _NS("OK"), nil, nil);
 }
 
-- (playlist_item_t *)getItem
+- (input_item_t *)item
 {
+    vlc_gc_incref( p_item );
     return p_item;
 }
 
-- (BOOL)isItemInPlaylist:(playlist_item_t *)p_local_item
-{
-    intf_thread_t * p_intf = VLCIntf;
-    playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
-                                          FIND_ANYWHERE );
-    int i;
-
-    if( p_playlist == NULL )
-    {
-        return NO;
-    }
-
-    for( i = 0 ; i < p_playlist->i_all_size ; i++ )
-    {
-        if( p_playlist->pp_all_items[i] == p_local_item )
-        {
-            vlc_object_release( p_playlist );
-            return YES;
-        }
-    }
-    vlc_object_release( p_playlist );
-    return NO;
-}
-
-- (BOOL)windowShouldClose:(id)sender
-{
-    if( o_statUpdateTimer )
-    {
-        [o_statUpdateTimer invalidate];
-        [o_statUpdateTimer release];
-    }
-    return YES;
-}
-
 @end
 
 @implementation VLCInfo (NSMenuValidation)
 {
     BOOL bEnabled = TRUE;
 
-    intf_thread_t * p_intf = VLCIntf;
-    input_thread_t * p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
-                                                       FIND_ANYWHERE );
-
     if( [[o_mi title] isEqualToString: _NS("Information")] )
     {
-        if( p_input == NULL )
-        {
-            bEnabled = FALSE;
-        }
+        return ![[[VLCMain sharedInstance] getPlaylist] isSelectionEmpty];
     }
-    if( p_input ) vlc_object_release( p_input );
 
-    return( bEnabled );
+    return TRUE;
 }
 
 @end
 
 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 {
-    return (item == nil) ? [[VLCInfoTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
+    return (item == nil) ? [rootItem numberOfChildren] : [item numberOfChildren];
 }
 
 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
 
 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 {
-    return (item == nil) ? [[VLCInfoTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
+    return (item == nil) ? [rootItem childAtIndex:index] : (id)[item childAtIndex:index];
 }
 
 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item
 {
     if ([[tableColumn identifier] isEqualToString:@"0"])
     {
-        return (item == nil) ? @"" : (id)[item getName];
+        return (item == nil) ? @"" : (id)[item name];
     }
     else
     {
-        return (item == nil) ? @"" : (id)[item getValue];
+        return (item == nil) ? @"" : (id)[item value];
     }
 }
 
 
 @implementation VLCInfoTreeItem
 
-static VLCInfoTreeItem *o_root_item = nil;
-
 #define IsALeafNode ((id)-1)
 
-- (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id parent:(VLCInfoTreeItem *)o_parent_item
+- (id)initWithName: (NSString *)o_item_name value: (NSString *)o_item_value ID: (int)i_id
+       parent:(VLCInfoTreeItem *)o_parent_item
 {
     self = [super init];
 
@@ -416,23 +494,23 @@ static VLCInfoTreeItem *o_root_item = nil;
         o_value = [o_item_value copy];
         i_object_id = i_id;
         o_parent = o_parent_item;
-        if( [[VLCMain sharedInstance] getInfo] != nil )
-            p_item = [[[VLCMain sharedInstance] getInfo] getItem];
-        else
-            p_item = NULL;
+        p_item = [[[VLCMain sharedInstance] getInfo] item];
+        o_children = nil;
     }
     return( self );
 }
 
-+ (VLCInfoTreeItem *)rootItem {
-    if (o_root_item == nil) o_root_item = [[VLCInfoTreeItem alloc] initWithName:@"main" value: @"" ID: 0 parent:nil];
-    return o_root_item;
+- (id)init
+{
+    return [self initWithName:@"main" value:@"" ID:-1 parent:nil];
 }
 
 - (void)dealloc
 {
     if( o_children != IsALeafNode ) [o_children release];
     [o_name release];
+    [o_value release];
+    if( p_item ) vlc_gc_decref( p_item );
     [super dealloc];
 }
 
@@ -440,82 +518,62 @@ static VLCInfoTreeItem *o_root_item = nil;
  * Loads children incrementally */
 - (NSArray *)children
 {
+    if( !p_item ) return nil;
+
     if (o_children == NULL)
     {
         int i;
 
-        if( [[[VLCMain sharedInstance] getInfo] isItemInPlaylist: p_item] )
+        if( i_object_id == -1 )
         {
-            if( self == o_root_item )
+            vlc_mutex_lock( &p_item->lock );
+            o_children = [[NSMutableArray alloc] initWithCapacity: p_item->i_categories];
+            for (i = 0 ; i < p_item->i_categories ; i++)
             {
-                vlc_mutex_lock( &p_item->input.lock );
-                o_children = [[NSMutableArray alloc] initWithCapacity:
-                                                p_item->input.i_categories];
-                for (i = 0 ; i < p_item->input.i_categories ; i++)
-                {
-                    [o_children addObject:[[VLCInfoTreeItem alloc]
-                        initWithName: [NSString stringWithUTF8String:
-                            p_item->input.pp_categories[i]->psz_name]
-                        value: @""
-                        ID: i
-                        parent: self]];
-                }
-                vlc_mutex_unlock( &p_item->input.lock );
+                NSString * name = [NSString stringWithUTF8String: p_item->pp_categories[i]->psz_name];
+                VLCInfoTreeItem * item = [[VLCInfoTreeItem alloc] initWithName:name value:@"" ID:i parent:self];
+                [item autorelease];
+                [o_children addObject:item];
             }
-            else if( o_parent == o_root_item )
-            {
-                vlc_mutex_lock( &p_item->input.lock );
-                o_children = [[NSMutableArray alloc] initWithCapacity:
-                    p_item->input.pp_categories[i_object_id]->i_infos];
-
-                for (i = 0 ; i < p_item->input.pp_categories[i_object_id]->i_infos ; i++)
-                {
-                    [o_children addObject:[[VLCInfoTreeItem alloc]
-                    initWithName: [NSString stringWithUTF8String:
-                            p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_name]
-                        value: [NSString stringWithUTF8String:
-                            p_item->input.pp_categories[i_object_id]->pp_infos[i]->psz_value]
-                        ID: i
-                        parent: self]];
-                }
-                vlc_mutex_unlock( &p_item->input.lock );
-            }
-            else
+            vlc_mutex_unlock( &p_item->lock );
+        }
+        else if( o_parent->i_object_id == -1 )
+        {
+            vlc_mutex_lock( &p_item->lock );
+            info_category_t * cat = p_item->pp_categories[i_object_id];
+            o_children = [[NSMutableArray alloc] initWithCapacity: cat->i_infos];
+            for (i = 0 ; i < cat->i_infos ; i++)
             {
-                o_children = IsALeafNode;
+                NSString * name = [NSString stringWithUTF8String: cat->pp_infos[i]->psz_name];
+                NSString * value = [NSString stringWithUTF8String: cat->pp_infos[i]->psz_value ? : ""];
+                VLCInfoTreeItem * item = [[VLCInfoTreeItem alloc] initWithName:name value:value ID:i parent:self];
+                [item autorelease];
+                [o_children addObject:item];
             }
+            vlc_mutex_unlock( &p_item->lock );
+        }
+        else
+        {
+            o_children = IsALeafNode;
         }
     }
     return o_children;
 }
 
-- (NSString *)getName
+- (NSString *)name
 {
-    return o_name;
+    return [[o_name retain] autorelease];
 }
 
-- (NSString *)getValue
+- (NSString *)value
 {
-    return o_value;
+    return [[o_value retain] autorelease];
 }
 
-- (VLCInfoTreeItem *)childAtIndex:(int)i_index {
-    return [[self children] objectAtIndex:i_index];
-}
-
-- (int)numberOfChildren {
-    id i_tmp = [self children];
-    return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
-}
-
-/*- (int)selectedPlaylistItem
-{
-    return i_item;
-}
-*/
 - (void)refresh
 {
-    p_item = [[[VLCMain sharedInstance] getInfo] getItem];
+    if( p_item ) vlc_gc_decref( p_item );
+    p_item = [[[VLCMain sharedInstance] getInfo] item];
     if( o_children != NULL )
     {
         [o_children release];
@@ -523,5 +581,15 @@ static VLCInfoTreeItem *o_root_item = nil;
     }
 }
 
+- (VLCInfoTreeItem *)childAtIndex:(int)i_index {
+    return [[self children] objectAtIndex:i_index];
+}
+
+- (int)numberOfChildren {
+
+    id i_tmp = [self children];
+    return ( i_tmp == IsALeafNode ) ? (-1) : (int)[i_tmp count];
+}
+
 @end