Initial commit

.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
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+
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+
+# JetBrains Rider
+*.sln.iml

.idea/.idea.MediaPlayer/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/modules.xml
+/contentModel.xml
+/.idea.MediaPlayer.iml
+/projectSettingsUpdater.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/.idea.MediaPlayer/.idea/.name

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+MediaPlayer

.idea/.idea.MediaPlayer/.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>

.idea/.idea.MediaPlayer/.idea/indexLayout.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

README.md

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+# TechMedia
+
+## Requirements
+
+* Utilize a playlist
+* Play music
+* Facilitate requests (external media control, searching current playlist for available matching songs)
+* Make metadata externally available (album art, track info, etc)
+
+## Wish List
+
+* Queue Update (allow updating playlist without taking requests offline)
+* Playback/request statistics

TechMedia.Backend.Vlc/TechMedia.Backend.Vlc.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\TechMedia.Core\TechMedia.Core.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="LibVLCSharp" Version="3.6.5" />
+      <PackageReference Include="VideoLAN.LibVLC.Windows" Version="3.0.16" />
+    </ItemGroup>
+
+</Project>

TechMedia.Backend.Vlc/VlcAudioBackend.cs

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+using LibVLCSharp.Shared;
+using TechMedia.Core.Backend;
+using TechMedia.Core.Model;
+
+namespace TechMedia.Backend.Vlc;
+
+public class VlcAudioBackend : IAudioBackend
+{
+    private readonly LibVLC _libVlc;
+    private readonly MediaPlayer _player;
+    private readonly Dictionary<IProgress<float>, EventHandler<MediaPlayerPositionChangedEventArgs>> _progressReporters = new();
+
+    public VlcAudioBackend()
+    {
+        LibVLCSharp.Shared.Core.Initialize();
+        _libVlc = new LibVLC();
+        _player = new MediaPlayer(_libVlc);
+    }
+
+    public void JustPlay()
+    {
+        _player.Play();
+    }
+
+    public void PlayFile(string filename)
+    {
+        //_player.Stop();
+        var media = new Media(_libVlc, filename);
+        _player.Media = media;
+        
+        media.Dispose();
+        
+        _player.Play();
+        //_player.Position = 0.97f;
+    }
+
+    public async Task<Track?> GetFileMetadata(string filename)
+    {
+        using var media = new Media(_libVlc, filename);
+        await Task.Run(async () => await media.Parse());
+        if (media.Duration <= 0)
+        {
+            return null;
+        }
+
+        return new Track
+        {
+            Title = media.Meta(MetadataType.Title),
+            Album = media.Meta(MetadataType.Album),
+            AlbumArt = media.Meta(MetadataType.ArtworkURL),
+            Duration = media.Duration,
+            Filename = filename
+        };
+    }
+
+    public void StopPlayback()
+    {
+        _player.Stop();
+    }
+
+    public void RegisterProgressWatcher(IProgress<float> reporter)
+    {
+        void Handler(object? _, MediaPlayerPositionChangedEventArgs args)
+        {
+            reporter.Report(args.Position);
+        }
+
+        _player.PositionChanged += Handler;
+        _progressReporters.Add(reporter, Handler);
+    }
+
+    public void RemoveProgressWatcher(IProgress<float> reporter)
+    {
+        if (_progressReporters.ContainsKey(reporter))
+        {
+            _player.PositionChanged -= _progressReporters[reporter];
+            _progressReporters.Remove(reporter);
+        }
+    }
+
+    public void RegisterTrackEndHandler(EventHandler<EventArgs> onEndReached)
+    {
+        _player.EndReached += onEndReached;
+    }
+}

TechMedia.Backend.WinAudio/MediaPlayer.Backend.WinAudio.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\TechMedia.Core\TechMedia.Core.csproj" />
+    </ItemGroup>
+
+</Project>

TechMedia.Backend.WinAudio/WinAudioBackend.cs

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+using TechMedia.Core.Backend;
+
+namespace TechMedia.Backend.WinAudio;
+
+public class WinAudioBackend : IAudioBackend
+{
+    public void PlayFile(string filename)
+    {
+        throw new NotImplementedException();
+    }
+}

TechMedia.Core/Backend/IAudioBackend.cs

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+using TechMedia.Core.Model;
+
+namespace TechMedia.Core.Backend;
+
+public interface IAudioBackend
+{
+    public void JustPlay();
+    public void PlayFile(string filename);
+    public void StopPlayback();
+    public Task<Track?> GetFileMetadata(string filename);
+    public void RegisterTrackEndHandler(EventHandler<EventArgs> onEndReached);
+    void RegisterProgressWatcher(IProgress<float> reporter);
+    void RemoveProgressWatcher(IProgress<float> reporter);
+}

TechMedia.Core/Backend/ProgressListener.cs

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+namespace TechMedia.Core.Backend;
+
+public class ProgressListener
+{
+    private readonly IProgress<float> _reporter;
+    public ProgressListener(IProgress<float> reporter)
+    {
+        _reporter = reporter;
+    }
+}

TechMedia.Core/ITechMediaCore.cs

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+using TechMedia.Core.Model;
+
+namespace TechMedia.Core;
+
+public interface ITechMediaCore
+{
+    public void Play();
+    public void StartPlaylistPlayback(IProgress<Track>? trackReporter = null, IProgress<float>? progressReporter = null);
+    public void Stop();
+    public void Pause();
+    public void NextTrack();
+    public void PreviousTrack();
+    public void GetNextTrackInfo();
+    public void GetCurrentTrackInfo();
+    public void OpenMediaFile(string filename);
+    public void OpenPlaylistFile();
+    public Task<int> LoadFiles(List<string> files, IProgress<int>? progress = null);
+    public List<Track> ShuffleCurrentPlaylist();
+    public List<Track> GetCurrentPlaylist();
+    public void RegisterPlaylistChangeListener(IProgress<List<Track>> playlistWatcher);
+    public Track? SubmitRequest(string filename);
+}

TechMedia.Core/Model/Track.cs

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+namespace TechMedia.Core.Model;
+
+public class Track
+{
+    public string? Title { get; set; }
+    public string? Album { get; set; }
+    public string? AlbumArt { get; set; }
+    public long Duration { get; set; }
+    public string Filename { get; set; } = "";
+    public override string ToString() => $"{Title ?? "?"} - {Album ?? "?"}";
+}

TechMedia.Core/TechMedia.Core.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

TechMedia.Core/TechMediaCore.cs

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+using TechMedia.Core.Backend;
+using TechMedia.Core.Model;
+
+namespace TechMedia.Core
+{
+    public class TechMediaCore : ITechMediaCore
+    {
+        private readonly IAudioBackend _backend;
+        private List<Track> _currentPlaylist = new();
+        private Queue<Track> _requestQueue = new();
+
+        private IProgress<Track>? _trackReporter;
+        private IProgress<float>? _progressReporter;
+        private IProgress<List<Track>>? _playlistWatcher;
+        private int _playbackIndex = 0;
+
+        public TechMediaCore(IAudioBackend backend)
+        {
+            _backend = backend;
+            _backend.RegisterTrackEndHandler(TrackEndHandler);
+        }
+
+        public void StartPlaylistPlayback(IProgress<Track>? trackReporter = null, IProgress<float>? progressReporter = null)
+        {
+            if (trackReporter != null)
+                _trackReporter = trackReporter;
+
+            if (progressReporter != null)
+            {
+                if (_progressReporter != null)
+                {
+                    _backend.RemoveProgressWatcher(_progressReporter);
+                }
+                _progressReporter = progressReporter;
+                _backend.RegisterProgressWatcher(progressReporter);
+            }
+            
+            var firstTrack = _currentPlaylist[_playbackIndex++];
+            _backend.PlayFile(firstTrack.Filename);
+            _trackReporter?.Report(firstTrack);
+        }
+
+        private void QueueFilePlayback(string filename)
+        {
+            // LibVLC has a famous bug when calling LibVLC from a LibVLC callback (which is what this method is) that results in a deadlock.
+            // Workaround is to queue the action on another thread.
+            ThreadPool.QueueUserWorkItem(_ => _backend.PlayFile(filename));
+        }
+
+        public void TrackEndHandler(object? sender, EventArgs args)
+        {
+            if (_requestQueue.Count > 0)
+            {
+                var requestTrack = _requestQueue.Dequeue();
+                _trackReporter?.Report(requestTrack);
+                QueueFilePlayback(requestTrack.Filename);
+            }
+            else if (_playbackIndex < _currentPlaylist.Count)
+            {
+                var nextTrack = _currentPlaylist[_playbackIndex++];
+                _trackReporter?.Report(nextTrack);
+                QueueFilePlayback(nextTrack.Filename);
+            }
+            else
+            {
+                ThreadPool.QueueUserWorkItem(state =>
+                {
+                    ShuffleCurrentPlaylist();
+                    StartPlaylistPlayback();
+                });
+            }
+        }
+
+        public void Stop()
+        {
+            _backend.StopPlayback();
+            _playbackIndex = 0;
+        }
+
+        public void Play()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void Pause()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void NextTrack()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void PreviousTrack()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void GetNextTrackInfo()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void GetCurrentTrackInfo()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void OpenMediaFile(string filename)
+        {
+            _backend.PlayFile(filename);
+        }
+
+        public void OpenPlaylistFile()
+        {
+            throw new NotImplementedException();
+        }
+
+        public async Task<int> LoadFiles(List<string> files, IProgress<int>? progress = null)
+        {
+            _currentPlaylist = new List<Track>();
+            foreach (var (file, index) in files.Select((filename, index) => (filename, index)))
+            {
+                var track = await _backend.GetFileMetadata(file);
+                progress?.Report(index);
+                if (track != null)
+                    _currentPlaylist.Add(track);
+            }
+            return _currentPlaylist.Count;
+        }
+
+        public List<Track> ShuffleCurrentPlaylist()
+        {
+            _backend.StopPlayback();
+            _playbackIndex = 0;
+            var random = new Random();
+            _currentPlaylist = _currentPlaylist.OrderBy(t => random.Next()).ToList();
+            _playlistWatcher?.Report(_currentPlaylist);
+            return _currentPlaylist;
+        }
+
+        public List<Track> GetCurrentPlaylist() => _currentPlaylist;
+        public void RegisterPlaylistChangeListener(IProgress<List<Track>> playlistWatcher)
+        {
+            _playlistWatcher = playlistWatcher;
+        }
+
+        public Track? SubmitRequest(string filename)
+        {
+            var requestedTrack = _currentPlaylist.FirstOrDefault(t => t.Filename.Equals(filename, StringComparison.OrdinalIgnoreCase));
+            if (requestedTrack != null) 
+                _requestQueue.Enqueue(requestedTrack);
+            
+            return requestedTrack;
+        }
+    }
+}

TechMedia.Interface.WindowsDesktop/App.xaml

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+<Application x:Class="TechMedia.Interface.WindowsDesktop.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:TechMedia.Interface.WindowsDesktop"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

TechMedia.Interface.WindowsDesktop/App.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace TechMedia.Interface.WindowsDesktop
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

TechMedia.Interface.WindowsDesktop/AssemblyInfo.cs

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+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+    //(used if a resource is not found in the page,
+    // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+    //(used if a resource is not found in the page,
+    // app, or any theme specific resource dictionaries)
+)]

TechMedia.Interface.WindowsDesktop/MainWindow.xaml

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+<Window x:Class="TechMedia.Interface.WindowsDesktop.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:TechMedia.Interface.WindowsDesktop"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition/>
+            <ColumnDefinition/>
+        </Grid.ColumnDefinitions>
+        <Label>Filename:</Label>
+        <TextBox Name="FilenameTextBox" Grid.Row="0" Grid.Column="1" Margin="6"></TextBox>
+        <Button Name="PlayButton" 
+                Grid.Row="1" 
+                Grid.ColumnSpan="2" 
+                Grid.Column="0" 
+                Margin="6"
+                Click="PlayButtonClicked">
+            Play
+        </Button>
+    </Grid>
+</Window>

TechMedia.Interface.WindowsDesktop/MainWindow.xaml.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using TechMedia.Backend.Vlc;
+using TechMedia.Core;
+
+namespace TechMedia.Interface.WindowsDesktop
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private ITechMediaCore _player = new TechMediaCore(new VlcAudioBackend()); 
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        private void PlayButtonClicked(object sender, EventArgs e)
+        {
+            var filename = FilenameTextBox.Text;
+            _player.OpenMediaFile(filename);
+        }
+    }
+}

TechMedia.Interface.WindowsDesktop/TechMedia.Interface.WindowsDesktop.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net6.0-windows</TargetFramework>
+        <Nullable>enable</Nullable>
+        <UseWPF>true</UseWPF>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\TechMedia.Backend.Vlc\TechMedia.Backend.Vlc.csproj" />
+      <ProjectReference Include="..\TechMedia.Core\TechMedia.Core.csproj" />
+    </ItemGroup>
+
+</Project>

TechMedia.Interface.Wpf/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="TechMedia.Interface.Wpf.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:TechMedia.Interface.Wpf"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

TechMedia.Interface.Wpf/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace TechMedia.Interface.Wpf
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

TechMedia.Interface.Wpf/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+    //(used if a resource is not found in the page,
+    // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+    //(used if a resource is not found in the page,
+    // app, or any theme specific resource dictionaries)
+)]

TechMedia.Interface.Wpf/MainWindow.xaml

@@ -0,0 +1,58 @@
+<Window x:Class="TechMedia.Interface.Wpf.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:TechMedia.Interface.Wpf"
+        mc:Ignorable="d"
+        Title="TechMedia" Height="450" Width="800"
+        Padding="3">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition/>
+            <ColumnDefinition/>
+            <ColumnDefinition/>
+        </Grid.ColumnDefinitions>
+        <Label>Folder:</Label>
+        <TextBox Name="FilenameTextBox" Grid.Row="0" Grid.Column="1" Margin="6">D:\users\mikah\music</TextBox>
+        <Button Name="LoadButton" Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2" Margin="6" Click="LoadButton_Click">Load Folder</Button>
+        <Button Name="PlayButton" 
+                Grid.Row="2" 
+                Grid.Column="0" 
+                Margin="6"
+                Click="PlayButtonClicked">
+            Play
+        </Button>
+        <Button Grid.Row="2" Grid.Column="1" Margin="6" Click="Button_Click">Stop</Button>
+        <Button Name="ShuffleButton" Grid.Row="4" Grid.ColumnSpan="2" Grid.Column="0" Margin="6" Click="ShuffleButton_Click">Shuffle</Button>
+        <DataGrid Name="TrackDataGrid" Grid.Row="5" Grid.ColumnSpan="2" Grid.Column="0" ItemsSource="{Binding}">
+        </DataGrid>
+        <ProgressBar Grid.Row="6" Grid.Column="0" Grid.ColumnSpan="2" Height="20" Name="LoadProgressBar">
+        </ProgressBar>
+        <TextBlock Grid.Row="6" Grid.Column="0" Grid.ColumnSpan="2" HorizontalAlignment="Center" Name="LoadingTextBlock">Waiting for tracks</TextBlock>
+        <Image Grid.Row="7" Grid.RowSpan="2" Grid.Column="0"></Image>
+        <Label Grid.Row="7" Grid.Column="1" Name="TitleLabel">Track Name</Label>
+        <Label Grid.Row="8" Grid.Column="1" Name="AlbumLabel">Track Album</Label>
+        <Label Grid.Row="9" Grid.Column="1" Name="TimeLabel">0:00/0:00</Label>
+        <ProgressBar Grid.Row="10" Grid.Column="0" Grid.ColumnSpan="2" Height="10" Name="PlaybackProgressBar" Foreground="#FF066EB0">
+        </ProgressBar>
+
+        <Label Grid.Row="0" Grid.Column="2">Request filename:</Label>
+        <TextBox Grid.Row="1" Grid.Column="2" Margin="6" Name="RequestFilenameTextBox"></TextBox>
+        <Button Grid.Row="2" Grid.Column="2" Margin="6" Click="Button_Click_1">Submit Request</Button>
+        <Label Grid.Row="3" Grid.Column="2" Name="RequestStatusLabel">No requests submitted</Label>
+    </Grid>
+</Window>

TechMedia.Interface.Wpf/MainWindow.xaml.cs

@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using TechMedia.Backend.Vlc;
+using TechMedia.Core;
+using TechMedia.Core.Model;
+
+namespace TechMedia.Interface.Wpf
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public Track CurrentTrack { get; set; } = new();
+        private readonly ITechMediaCore _player = new TechMediaCore(new VlcAudioBackend());
+        public MainWindow()
+        {
+            InitializeComponent();
+            DataContext = CurrentTrack;
+            _player.RegisterPlaylistChangeListener(new Progress<List<Track>>(newPlaylist => TrackDataGrid.DataContext = newPlaylist));
+        }
+
+        private static string FormatMillis(int millis)
+        {
+            var seconds = millis / 1000;
+            return $"{seconds / 60}:{(seconds % 60).ToString().PadLeft(2, '0')}";
+        }
+        
+        private void PlayButtonClicked(object sender, EventArgs e)
+        {
+            var trackUpdater = new Progress<Track>(track =>
+            {
+                CurrentTrack = track;
+                TitleLabel.Content = track.Title ?? "No title available";
+                AlbumLabel.Content = track.Album ?? "No album available";
+            });
+            var progressUpdater = new Progress<float>(p =>
+            {
+                PlaybackProgressBar.Value = p;
+                TimeLabel.Content = $"{FormatMillis((int)(CurrentTrack.Duration * p))}/{FormatMillis((int)(CurrentTrack.Duration))}";
+            });
+            PlaybackProgressBar.Maximum = 1.0f;
+            _player.StartPlaylistPlayback(trackUpdater, progressUpdater);
+        }
+
+        private async void LoadButton_Click(object sender, RoutedEventArgs e)
+        {
+            var allFiles = Directory.EnumerateFiles(FilenameTextBox.Text, "*.*", SearchOption.AllDirectories).ToList();
+            LoadProgressBar.Maximum = allFiles.Count;
+            IProgress<int> progress = new Progress<int>(state =>
+            {
+                LoadProgressBar.Value = state;
+                LoadingTextBlock.Text = $"Loading... {state}/{allFiles.Count}";
+            });
+            var loadedCount = await _player.LoadFiles(allFiles, progress);
+            LoadingTextBlock.Text = $"Tracks loaded: {loadedCount}";
+            LoadProgressBar.Value = LoadProgressBar.Maximum;
+            MessageBox.Show($"Loaded {loadedCount} tracks");
+            TrackDataGrid.DataContext = _player.GetCurrentPlaylist();
+        }
+
+        private void ShuffleButton_Click(object sender, RoutedEventArgs e)
+        {
+            TrackDataGrid.DataContext = _player.ShuffleCurrentPlaylist();
+        }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            _player.Stop();
+        }
+
+        private void Button_Click_1(object sender, RoutedEventArgs e)
+        {
+            var requestedTrack = _player.SubmitRequest(RequestFilenameTextBox.Text);
+            if (requestedTrack != null)
+            {
+                RequestStatusLabel.Content = $"{requestedTrack.Title} added to queue";
+            }
+            else
+            {
+                RequestStatusLabel.Content = "File not found in playlist";
+            }
+        }
+    }
+}

TechMedia.Interface.Wpf/TechMedia.Interface.Wpf.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net6.0-windows</TargetFramework>
+        <Nullable>enable</Nullable>
+        <UseWPF>true</UseWPF>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\TechMedia.Backend.Vlc\TechMedia.Backend.Vlc.csproj" />
+      <ProjectReference Include="..\TechMedia.Core\TechMedia.Core.csproj" />
+    </ItemGroup>
+
+</Project>

TechMedia.sln

@@ -0,0 +1,59 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.1.32210.238
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TechMedia.Core", "TechMedia.Core\TechMedia.Core.csproj", "{6A96DD50-5AD0-471B-8E42-DED4880524B4}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Interface", "Interface", "{1BC62E19-F845-4B07-B6C7-77FB76447F48}"
+EndProject
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+EndProject
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+EndProject
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+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TechMedia.Backend.Vlc", "TechMedia.Backend.Vlc\TechMedia.Backend.Vlc.csproj", "{8410B599-D63C-4642-8C21-965E01D06C47}"
+EndProject
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+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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+		{6A96DD50-5AD0-471B-8E42-DED4880524B4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CADCE703-C81F-481C-9CE6-ACB245AD5824}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CADCE703-C81F-481C-9CE6-ACB245AD5824}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CADCE703-C81F-481C-9CE6-ACB245AD5824}.Release|Any CPU.ActiveCfg = Release|Any CPU
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+		{E5904ADA-A91D-4B6E-887C-C5CC6ADFB64D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E5904ADA-A91D-4B6E-887C-C5CC6ADFB64D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E5904ADA-A91D-4B6E-887C-C5CC6ADFB64D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8410B599-D63C-4642-8C21-965E01D06C47}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8410B599-D63C-4642-8C21-965E01D06C47}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8410B599-D63C-4642-8C21-965E01D06C47}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8410B599-D63C-4642-8C21-965E01D06C47}.Release|Any CPU.Build.0 = Release|Any CPU
+		{76E19714-561A-4E1A-B3C2-E07572A2ECC8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{76E19714-561A-4E1A-B3C2-E07572A2ECC8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{76E19714-561A-4E1A-B3C2-E07572A2ECC8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{76E19714-561A-4E1A-B3C2-E07572A2ECC8}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
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+		SolutionGuid = {5E7B7F46-0387-4E54-8739-F44888457444}
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{CADCE703-C81F-481C-9CE6-ACB245AD5824} = {A0D7E6E6-BA14-412B-BEF6-2E9F47D1EB95}
+		{E5904ADA-A91D-4B6E-887C-C5CC6ADFB64D} = {1BC62E19-F845-4B07-B6C7-77FB76447F48}
+		{8410B599-D63C-4642-8C21-965E01D06C47} = {A0D7E6E6-BA14-412B-BEF6-2E9F47D1EB95}
+		{76E19714-561A-4E1A-B3C2-E07572A2ECC8} = {1BC62E19-F845-4B07-B6C7-77FB76447F48}
+	EndGlobalSection
+EndGlobal