Updated SongPictureInfo use to async copy of picture data stream. Update other classes accordingly.

Harmonia.UI/ViewModels/PlaybackBarViewModel.cs

@@ -1,6 +1,7 @@
 using Avalonia.Controls;
 using Avalonia.Media.Imaging;
 using Avalonia.Threading;
+using CommunityToolkit.Mvvm.Input;
 using Harmonia.Core.Caching;
 using Harmonia.Core.Imaging;
 using Harmonia.Core.Models;
@@ -8,9 +9,11 @@ using Harmonia.Core.Player;
 using Harmonia.Core.Playlists;
 using Harmonia.Core.Scanner;
 using System;
+using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using System.Windows.Input;
 
 namespace Harmonia.UI.ViewModels;
 
@@ -33,6 +36,7 @@ public partial class PlaybackBarViewModel : ViewModelBase
         {
             _song = value;
             OnPropertyChanged();
+            OnPropertyChanged(nameof(FormattedSongInfo));
 
             CurrentPosition = 0; // What if player is being loaded and returning to save state?
             Position = 0;
@@ -54,6 +58,10 @@ public partial class PlaybackBarViewModel : ViewModelBase
         }
     }
 
+    public string FormattedSongInfo => Song != null
+        ? $"{Song.FileType} - {Song.BitRate} kbps - {Song.SampleRate} Hz"
+        : string.Empty;
+
     private double _currentPosition;
     public double CurrentPosition
     {
@@ -123,7 +131,11 @@ public partial class PlaybackBarViewModel : ViewModelBase
         }
     }
 
-    public string Greeting => "Welcome to Harmonia!";
+    public ICommand PlaySongCommand => new RelayCommand(Play);
+    public ICommand PauseSongCommand => new RelayCommand(Pause);
+    public ICommand StopSongCommand => new RelayCommand(Stop);
+    public ICommand PreviousSongCommand => new RelayCommand(Previous);
+    public ICommand NextSongCommand => new RelayCommand(Next);
 
     public PlaybackBarViewModel(IAudioPlayer audioPlayer, IAudioImageCache audioImageCache, IPlaylistRepository playlistRepository, IAudioFileScanner audioFileScanner)
     {
@@ -133,6 +145,27 @@ public partial class PlaybackBarViewModel : ViewModelBase
         _audioImageCache = audioImageCache;
 
         _timer = new(TimeSpan.FromMilliseconds(100), DispatcherPriority.Default, TickTock);
+
+        PlayDemoSong(playlistRepository, audioFileScanner);
+    }
+
+    private async Task PlayDemoSong(IPlaylistRepository playlistRepository, IAudioFileScanner audioFileScanner, CancellationToken cancellationToken = default)
+    {
+        if (playlistRepository.Get().Count == 0)
+        {
+            playlistRepository.AddPlaylist();
+
+            Playlist playlist = playlistRepository.Get().First();
+
+            //string songPath = @"D:\Music\Game Music\Bobby Prince\Doom II";
+            //string songPath = @"D:\Music\Anime Music\HimeHina";
+            string songPath = @"D:\Music\K-Pop";
+
+            Song[] songs = await audioFileScanner.GetSongsFromPathAsync(songPath, cancellationToken);
+            playlist.AddSongs(songs);
+        }
+
+        await _audioPlayer.LoadAsync(playlistRepository.Get().First().Songs[0], PlaybackMode.LoadAndPlay);
     }
 
     private void OnAudioPlayerPlayingSongChanged(object? sender, EventArgs e)
@@ -163,7 +196,11 @@ public partial class PlaybackBarViewModel : ViewModelBase
 
     private void SetSongImageSource(SongPictureInfo songPictureInfo)
     {
-        SongImageSource = new(songPictureInfo.Stream);
+        if (songPictureInfo.Data.Length == 0)
+            return;
+
+        using MemoryStream stream = new(songPictureInfo.Data);
+        SongImageSource = new(stream);
     }
 
     private void TickTock(object? sender, object e)