Make SoundOutput have events

RedBookPlayer/GUI/PlayerView.xaml.cs

@@ -193,8 +193,6 @@ namespace RedBookPlayer.GUI
                     if (_digits[i] != null)
                         _digits[i].Source = GetBitmap(digitString[i]);
                 }
-
-                PlayerViewModel?.UpdateView();
             });
         }
 
@@ -211,13 +209,19 @@ namespace RedBookPlayer.GUI
             await LoadImage(path);
         }
 
-        public void PlayButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Playing = true;
+        public void PlayButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Play();
 
-        public void PauseButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Playing = false;
+        public void PauseButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Pause();
 
-        public void PlayPauseButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Playing = !(PlayerViewModel.Playing ?? false);
+        public void PlayPauseButton_Click(object sender, RoutedEventArgs e)
+        {
+            if(PlayerViewModel.Playing == true)
+                PlayerViewModel.Pause();
+            else
+                PlayerViewModel.Play();
+        }
 
-        public void StopButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Playing = null;
+        public void StopButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.Stop();
 
         public void NextTrackButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.NextTrack();
 
@@ -237,11 +241,11 @@ namespace RedBookPlayer.GUI
 
         public void MuteToggleButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.ToggleMute();
 
-        public void EnableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.ApplyDeEmphasis = true;
+        public void EnableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.SetDeEmphasis(true);
 
-        public void DisableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.ApplyDeEmphasis = false;
+        public void DisableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.SetDeEmphasis(false);
 
-        public void EnableDisableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.ApplyDeEmphasis = !PlayerViewModel.ApplyDeEmphasis;
+        public void EnableDisableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayerViewModel.SetDeEmphasis(!PlayerViewModel.ApplyDeEmphasis);
 
         #endregion
     }

RedBookPlayer/GUI/PlayerViewModel.cs

@@ -1,7 +1,6 @@
+using System.ComponentModel;
 using System.Linq;
-using Aaru.CommonTypes.Enums;
 using ReactiveUI;
-using RedBookPlayer.Discs;
 using RedBookPlayer.Hardware;
 
 namespace RedBookPlayer.GUI
@@ -18,7 +17,7 @@ namespace RedBookPlayer.GUI
         /// </summary>
         private int? _lastVolume = null;
 
-        #region Player Status
+        #region Player Passthrough
 
         /// <summary>
         /// Indicate if the model is ready to be used
@@ -26,29 +25,12 @@ namespace RedBookPlayer.GUI
         public bool Initialized => _player?.Initialized ?? false;
 
         /// <summary>
-        /// Indicate the player state
+        /// Indicate if the output is playing
         /// </summary>
         public bool? Playing
         {
-            get => _player?.Playing ?? false;
-            set
-            {
-                if(_player != null)
-                    _player.Playing = value;
-            }
-        }
-
-        /// <summary>
-        /// Indicate the current playback volume
-        /// </summary>
-        public int Volume
-        {
-            get => _player?.Volume ?? 100;
-            set
-            {
-                if(_player != null)
-                    _player.Volume = value;
-            }
+            get => _playing;
+            private set => this.RaiseAndSetIfChanged(ref _playing, value);
         }
 
         /// <summary>
@@ -56,14 +38,23 @@ namespace RedBookPlayer.GUI
         /// </summary>
         public bool ApplyDeEmphasis
         {
-            get => _player?.ApplyDeEmphasis ?? false;
-            set
-            {
-                if(_player != null)
-                    _player.ApplyDeEmphasis = value;
-            }
+            get => _applyDeEmphasis;
+            private set => this.RaiseAndSetIfChanged(ref _applyDeEmphasis, value);
         }
 
+        /// <summary>
+        /// Current playback volume
+        /// </summary>
+        public int Volume
+        {
+            get => _volume;
+            set => this.RaiseAndSetIfChanged(ref _volume, value);
+        }
+
+        private bool? _playing;
+        private bool _applyDeEmphasis;
+        private int _volume;
+
         #endregion
 
         #region Model-Provided Playback Information
@@ -145,11 +136,29 @@ namespace RedBookPlayer.GUI
             // Create and attempt to initialize new Player
             _player = new Player(path, autoPlay, defaultVolume);
             if(Initialized)
-                UpdateView();
+            {
+                _player.PropertyChanged += PlayerStateChanged;
+                PlayerStateChanged(this, null);
+            }
         }
 
         #region Playback
 
+        /// <summary>
+        /// Begin playback
+        /// </summary>
+        public void Play() => _player.Play();
+
+        /// <summary>
+        /// Pause current playback
+        /// </summary>
+        public void Pause() => _player.Pause();
+
+        /// <summary>
+        /// Stop current playback
+        /// </summary>
+        public void Stop() => _player.Stop();
+
         /// <summary>
         /// Move to the next playable track
         /// </summary>
@@ -193,7 +202,7 @@ namespace RedBookPlayer.GUI
         public string GenerateDigitString()
         {
             // If the disc isn't initialized, return all '-' characters
-            if(_player?.OpticalDisc == null || !_player.OpticalDisc.Initialized)
+            if(_player?.Initialized != true)
                 return string.Empty.PadLeft(20, '-');
 
             // Otherwise, take the current time into account
@@ -201,24 +210,30 @@ namespace RedBookPlayer.GUI
 
             int[] numbers = new int[]
             {
-                _player.OpticalDisc.CurrentTrackNumber + 1,
-                _player.OpticalDisc.CurrentTrackIndex,
+                _player.CurrentTrackNumber + 1,
+                _player.CurrentTrackIndex,
 
                 (int)(sectorTime / (75 * 60)),
                 (int)(sectorTime / 75 % 60),
                 (int)(sectorTime % 75),
 
-                _player.OpticalDisc.TotalTracks,
-                _player.OpticalDisc.TotalIndexes,
+                _player.TotalTracks,
+                _player.TotalIndexes,
 
-                (int)(_player.OpticalDisc.TotalTime / (75 * 60)),
-                (int)(_player.OpticalDisc.TotalTime / 75 % 60),
-                (int)(_player.OpticalDisc.TotalTime % 75),
+                (int)(_player.TotalTime / (75 * 60)),
+                (int)(_player.TotalTime / 75 % 60),
+                (int)(_player.TotalTime % 75),
             };
 
             return string.Join("", numbers.Select(i => i.ToString().PadLeft(2, '0').Substring(0, 2)));
         }
 
+        /// <summary>
+        /// Set de-emphasis status
+        /// </summary>
+        /// <param name="apply"></param>
+        public void SetDeEmphasis(bool apply) => _player?.SetDeEmphasis(apply);
+
         /// <summary>
         /// Temporarily mute playback
         /// </summary>
@@ -239,30 +254,24 @@ namespace RedBookPlayer.GUI
         /// <summary>
         /// Update the UI from the internal player
         /// </summary>
-        public void UpdateView()
+        private void PlayerStateChanged(object sender, PropertyChangedEventArgs e)
         {
             if(_player?.Initialized != true)
                 return;
 
+            Playing = _player.Playing;
+            ApplyDeEmphasis = _player.ApplyDeEmphasis;
+            Volume = _player.Volume;
+
             CurrentSector = _player.GetCurrentSectorTime();
-            TotalSectors = _player.OpticalDisc.TotalTime;
+            TotalSectors = _player.TotalTime;
 
-            HiddenTrack = _player.OpticalDisc.TimeOffset > 150;
+            HiddenTrack = _player.HiddenTrack;
 
-            if(_player.OpticalDisc is CompactDisc compactDisc)
-            {
-                QuadChannel = compactDisc.QuadChannel;
-                IsDataTrack = compactDisc.IsDataTrack;
-                CopyAllowed = compactDisc.CopyAllowed;
-                TrackHasEmphasis = compactDisc.TrackHasEmphasis;
-            }
-            else
-            {
-                QuadChannel = false;
-                IsDataTrack = _player.OpticalDisc.TrackType != TrackType.Audio;
-                CopyAllowed = false;
-                TrackHasEmphasis = false;
-            }
+            QuadChannel = _player.QuadChannel;
+            IsDataTrack = _player.IsDataTrack;
+            CopyAllowed = _player.CopyAllowed;
+            TrackHasEmphasis = _player.TrackHasEmphasis;
         }
 
         #endregion

RedBookPlayer/Hardware/Player.cs

@@ -1,68 +1,141 @@
 using System;
+using System.ComponentModel;
 using System.IO;
+using Aaru.CommonTypes.Enums;
 using Aaru.DiscImages;
 using Aaru.Filters;
+using ReactiveUI;
 using RedBookPlayer.Discs;
 
 namespace RedBookPlayer.Hardware
 {
-    public class Player
+    public class Player : ReactiveObject
     {
-        #region Public Fields
-
         /// <summary>
         /// Indicate if the player is ready to be used
         /// </summary>
         public bool Initialized { get; private set; } = false;
 
-        /// <summary>
-        /// OpticalDisc object
-        /// </summary>
-        public OpticalDisc OpticalDisc { get; private set; }
+        #region OpticalDisc Passthrough
 
         /// <summary>
-        /// Indicate if the disc is playing
+        /// Current track number
         /// </summary>
-        public bool? Playing
+        public int CurrentTrackNumber
         {
-            get => _soundOutput?.Playing;
-            set
-            {
-                if(OpticalDisc == null || !OpticalDisc.Initialized)
-                    return;
-
-                // If the playing state has not changed, do nothing
-                if(value == _soundOutput?.Playing)
-                    return;
-
-                if(value == true)
-                {
-                    _soundOutput.Play();
-                    OpticalDisc.SetTotalIndexes();
-                }
-                else if(value == false)
-                {
-                    _soundOutput.Stop();
-                }
-                else
-                {
-                    _soundOutput.Stop();
-                    OpticalDisc.LoadFirstTrack();
-                }
-            }
+            get => _currentTrackNumber;
+            private set => this.RaiseAndSetIfChanged(ref _currentTrackNumber, value);
         }
 
         /// <summary>
-        /// Indicate the current playback volume
+        /// Current track index
         /// </summary>
-        public int Volume
+        public ushort CurrentTrackIndex
         {
-            get => _soundOutput?.Volume ?? 100;
-            set
-            {
-                if(_soundOutput != null)
-                    _soundOutput.Volume = value;
-            }
+            get => _currentTrackIndex;
+            private set => this.RaiseAndSetIfChanged(ref _currentTrackIndex, value);
+        }
+
+        /// <summary>
+        /// Current sector number
+        /// </summary>
+        public ulong CurrentSector
+        {
+            get => _currentSector;
+            private set => this.RaiseAndSetIfChanged(ref _currentSector, value);
+        }
+
+        /// <summary>
+        /// Represents if the disc has a hidden track
+        /// </summary>
+        public bool HiddenTrack
+        {
+            get => _hasHiddenTrack;
+            private set => this.RaiseAndSetIfChanged(ref _hasHiddenTrack, value);
+        }
+
+        /// <summary>
+        /// Represents the 4CH flag [CompactDisc only]
+        /// </summary>
+        public bool QuadChannel
+        {
+            get => _quadChannel;
+            private set => this.RaiseAndSetIfChanged(ref _quadChannel, value);
+        }
+
+        /// <summary>
+        /// Represents the DATA flag [CompactDisc only]
+        /// </summary>
+        public bool IsDataTrack
+        {
+            get => _isDataTrack;
+            private set => this.RaiseAndSetIfChanged(ref _isDataTrack, value);
+        }
+
+        /// <summary>
+        /// Represents the DCP flag [CompactDisc only]
+        /// </summary>
+        public bool CopyAllowed
+        {
+            get => _copyAllowed;
+            private set => this.RaiseAndSetIfChanged(ref _copyAllowed, value);
+        }
+
+        /// <summary>
+        /// Represents the PRE flag [CompactDisc only]
+        /// </summary>
+        public bool TrackHasEmphasis
+        {
+            get => _trackHasEmphasis;
+            private set => this.RaiseAndSetIfChanged(ref _trackHasEmphasis, value);
+        }
+
+        /// <summary>
+        /// Represents the total tracks on the disc
+        /// </summary>
+        public int TotalTracks => _opticalDisc.TotalTracks;
+
+        /// <summary>
+        /// Represents the total indices on the disc
+        /// </summary>
+        public int TotalIndexes => _opticalDisc.TotalIndexes;
+
+        /// <summary>
+        /// Total sectors in the image
+        /// </summary>
+        public ulong TotalSectors => _opticalDisc.TotalSectors;
+
+        /// <summary>
+        /// Represents the time adjustment offset for the disc
+        /// </summary>
+        public ulong TimeOffset => _opticalDisc.TimeOffset;
+
+        /// <summary>
+        /// Represents the total playing time for the disc
+        /// </summary>
+        public ulong TotalTime => _opticalDisc.TotalTime;
+
+        private int _currentTrackNumber;
+        private ushort _currentTrackIndex;
+        private ulong _currentSector;
+
+        private bool _hasHiddenTrack;
+        private bool _quadChannel;
+        private bool _isDataTrack;
+        private bool _copyAllowed;
+        private bool _trackHasEmphasis;
+
+        #endregion
+
+        #region SoundOutput Passthrough
+
+        /// <summary>
+        /// Indicate if the output is playing
+        /// </summary>
+        public bool? Playing
+        {
+            get => _playing;
+            private set => this.RaiseAndSetIfChanged(ref _playing, value);
         }
 
         /// <summary>
@@ -70,10 +143,23 @@ namespace RedBookPlayer.Hardware
         /// </summary>
         public bool ApplyDeEmphasis
         {
-            get => _soundOutput?.ApplyDeEmphasis ?? false;
-            set => _soundOutput?.SetDeEmphasis(value);
+            get => _applyDeEmphasis;
+            private set => this.RaiseAndSetIfChanged(ref _applyDeEmphasis, value);
         }
 
+        /// <summary>
+        /// Current playback volume
+        /// </summary>
+        public int Volume
+        {
+            get => _volume;
+            set => this.RaiseAndSetIfChanged(ref _volume, value);
+        }
+
+        private bool? _playing;
+        private bool _applyDeEmphasis;
+        private int _volume;
+
         #endregion
 
         #region Private State Variables
@@ -81,7 +167,12 @@ namespace RedBookPlayer.Hardware
         /// <summary>
         /// Sound output handling class
         /// </summary>
-        public SoundOutput _soundOutput;
+        private readonly SoundOutput _soundOutput;
+
+        /// <summary>
+        /// OpticalDisc object
+        /// </summary>
+        private readonly OpticalDisc _opticalDisc;
 
         #endregion
 
@@ -96,8 +187,8 @@ namespace RedBookPlayer.Hardware
             // Set the internal state for initialization
             Initialized = false;
             _soundOutput = new SoundOutput();
-            _soundOutput.ApplyDeEmphasis = false;
-            OpticalDisc = null;
+            _soundOutput.SetDeEmphasis(false);
+            _opticalDisc = null;
 
             try
             {
@@ -112,7 +203,7 @@ namespace RedBookPlayer.Hardware
                 image.Open(filter);
 
                 // Generate and instantiate the disc
-                OpticalDisc = OpticalDiscFactory.GenerateFromImage(image, autoPlay);
+                _opticalDisc = OpticalDiscFactory.GenerateFromImage(image, autoPlay);
             }
             catch
             {
@@ -121,32 +212,88 @@ namespace RedBookPlayer.Hardware
             }
 
             // Initialize the sound output
-            _soundOutput.Init(OpticalDisc, autoPlay, defaultVolume);
+            _soundOutput.Init(_opticalDisc, autoPlay, defaultVolume);
             if(_soundOutput == null || !_soundOutput.Initialized)
                 return;
 
+            // Add event handling for the sound output
+            _soundOutput.PropertyChanged += SoundOutputStateChanged;
+
             // Mark the player as ready
             Initialized = true;
+            SetDiscInformation();
         }
 
         #region Playback
 
+        /// <summary>
+        /// Begin playback
+        /// </summary>
+        public void Play()
+        {
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
+                return;
+            else if(_soundOutput == null)
+                return;
+            else if(_soundOutput.Playing)
+                return;
+
+            _soundOutput.Play();
+            _opticalDisc.SetTotalIndexes();
+            Playing = true;
+        }
+
+        /// <summary>
+        /// Pause current playback
+        /// </summary>
+        public void Pause()
+        {
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
+                return;
+            else if(_soundOutput == null)
+                return;
+            else if(!_soundOutput.Playing)
+                return;
+
+            _soundOutput?.Stop();
+            Playing = false;
+        }
+
+        /// <summary>
+        /// Stop current playback
+        /// </summary>
+        public void Stop()
+        {
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
+                return;
+            else if(_soundOutput == null)
+                return;
+            else if(!_soundOutput.Playing)
+                return;
+
+            _soundOutput?.Stop();
+            _opticalDisc.LoadFirstTrack();
+            Playing = null;
+        }
+
         /// <summary>
         /// Move to the next playable track
         /// </summary>
         public void NextTrack()
         {
-            if(OpticalDisc == null || !OpticalDisc.Initialized)
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
                 return;
 
             bool? wasPlaying = Playing;
-            if(wasPlaying == true) Playing = false;
+            if(wasPlaying == true) Pause();
 
-            OpticalDisc.NextTrack();
-            if(OpticalDisc is CompactDisc compactDisc)
-                _soundOutput.ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
+            _opticalDisc.NextTrack();
+            if(_opticalDisc is CompactDisc compactDisc)
+                _soundOutput.SetDeEmphasis(compactDisc.TrackHasEmphasis);
 
-            if(wasPlaying == true) Playing = true;
+            SetDiscInformation();
+
+            if(wasPlaying == true) Play();
         }
 
         /// <summary>
@@ -154,17 +301,19 @@ namespace RedBookPlayer.Hardware
         /// </summary>
         public void PreviousTrack()
         {
-            if(OpticalDisc == null || !OpticalDisc.Initialized)
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
                 return;
 
             bool? wasPlaying = Playing;
-            if(wasPlaying == true) Playing = false;
+            if(wasPlaying == true) Pause();
 
-            OpticalDisc.PreviousTrack();
-            if(OpticalDisc is CompactDisc compactDisc)
-                _soundOutput.ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
+            _opticalDisc.PreviousTrack();
+            if(_opticalDisc is CompactDisc compactDisc)
+                _soundOutput.SetDeEmphasis(compactDisc.TrackHasEmphasis);
 
-            if(wasPlaying == true) Playing = true;
+            SetDiscInformation();
+
+            if(wasPlaying == true) Play();
         }
 
         /// <summary>
@@ -173,17 +322,19 @@ namespace RedBookPlayer.Hardware
         /// <param name="changeTrack">True if index changes can trigger a track change, false otherwise</param>
         public void NextIndex(bool changeTrack)
         {
-            if(OpticalDisc == null || !OpticalDisc.Initialized)
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
                 return;
 
             bool? wasPlaying = Playing;
-            if(wasPlaying == true) Playing = false;
+            if(wasPlaying == true) Pause();
 
-            OpticalDisc.NextIndex(changeTrack);
-            if(OpticalDisc is CompactDisc compactDisc)
-                _soundOutput.ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
+            _opticalDisc.NextIndex(changeTrack);
+            if(_opticalDisc is CompactDisc compactDisc)
+                _soundOutput.SetDeEmphasis(compactDisc.TrackHasEmphasis);
 
-            if(wasPlaying == true) Playing = true;
+            SetDiscInformation();
+
+            if(wasPlaying == true) Play();
         }
 
         /// <summary>
@@ -192,17 +343,19 @@ namespace RedBookPlayer.Hardware
         /// <param name="changeTrack">True if index changes can trigger a track change, false otherwise</param>
         public void PreviousIndex(bool changeTrack)
         {
-            if(OpticalDisc == null || !OpticalDisc.Initialized)
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
                 return;
 
             bool? wasPlaying = Playing;
-            if(wasPlaying == true) Playing = false;
+            if(wasPlaying == true) Pause();
 
-            OpticalDisc.PreviousIndex(changeTrack);
-            if(OpticalDisc is CompactDisc compactDisc)
-                _soundOutput.ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
+            _opticalDisc.PreviousIndex(changeTrack);
+            if(_opticalDisc is CompactDisc compactDisc)
+                _soundOutput.SetDeEmphasis(compactDisc.TrackHasEmphasis);
 
-            if(wasPlaying == true) Playing = true;
+            SetDiscInformation();
+
+            if(wasPlaying == true) Play();
         }
 
         /// <summary>
@@ -210,10 +363,11 @@ namespace RedBookPlayer.Hardware
         /// </summary>
         public void FastForward()
         {
-            if(OpticalDisc == null || !OpticalDisc.Initialized)
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
                 return;
 
-            OpticalDisc.CurrentSector = Math.Min(OpticalDisc.TotalSectors, OpticalDisc.CurrentSector + 75);
+            _opticalDisc.CurrentSector = Math.Min(_opticalDisc.TotalSectors, _opticalDisc.CurrentSector + 75);
+            SetDiscInformation();
         }
 
         /// <summary>
@@ -221,11 +375,13 @@ namespace RedBookPlayer.Hardware
         /// </summary>
         public void Rewind()
         {
-            if(OpticalDisc == null || !OpticalDisc.Initialized)
+            if(_opticalDisc == null || !_opticalDisc.Initialized)
                 return;
 
-            if(OpticalDisc.CurrentSector >= 75)
-                OpticalDisc.CurrentSector -= 75;
+            if(_opticalDisc.CurrentSector >= 75)
+                _opticalDisc.CurrentSector -= 75;
+
+            SetDiscInformation();
         }
 
         #endregion
@@ -238,21 +394,58 @@ namespace RedBookPlayer.Hardware
         /// <returns>ulong representing the current sector time</returns>
         public ulong GetCurrentSectorTime()
         {
-            ulong sectorTime = OpticalDisc.CurrentSector;
-            if (OpticalDisc.SectionStartSector != 0)
-                sectorTime -= OpticalDisc.SectionStartSector;
+            ulong sectorTime = _opticalDisc.CurrentSector;
+            if (_opticalDisc.SectionStartSector != 0)
+                sectorTime -= _opticalDisc.SectionStartSector;
             else
-                sectorTime += OpticalDisc.TimeOffset;
+                sectorTime += _opticalDisc.TimeOffset;
 
             return sectorTime;
         }
 
         /// <summary>
-        /// Set if de-emphasis should be applied
+        /// Set de-emphasis status
         /// </summary>
-        /// <param name="apply">True to enable, false to disable</param>
+        /// <param name="apply"></param>
         public void SetDeEmphasis(bool apply) => _soundOutput?.SetDeEmphasis(apply);
 
+        /// <summary>
+        /// Update the player from the current SoundOutput
+        /// </summary>
+        private void SoundOutputStateChanged(object sender, PropertyChangedEventArgs e)
+        {
+            Playing = _soundOutput.Playing;
+            ApplyDeEmphasis = _soundOutput.ApplyDeEmphasis;
+            //Volume = _soundOutput.Volume;
+        }
+
+        /// <summary>
+        /// Set all current disc information
+        /// </summary>
+        private void SetDiscInformation()
+        {
+            CurrentTrackNumber = _opticalDisc.CurrentTrackNumber;
+            CurrentTrackIndex = _opticalDisc.CurrentTrackIndex;
+            CurrentSector = _opticalDisc.CurrentSector;
+
+            HiddenTrack = TimeOffset > 150;
+
+            if(_opticalDisc is CompactDisc compactDisc)
+            {
+                QuadChannel = compactDisc.QuadChannel;
+                IsDataTrack = compactDisc.IsDataTrack;
+                CopyAllowed = compactDisc.CopyAllowed;
+                TrackHasEmphasis = compactDisc.TrackHasEmphasis;
+            }
+            else
+            {
+                QuadChannel = false;
+                IsDataTrack = _opticalDisc.TrackType != TrackType.Audio;
+                CopyAllowed = false;
+                TrackHasEmphasis = false;
+            }
+        }
+
         #endregion
     }
 }

RedBookPlayer/Hardware/SoundOutput.cs

@@ -4,11 +4,12 @@ using System.Threading.Tasks;
 using CSCore.SoundOut;
 using NWaves.Audio;
 using NWaves.Filters.BiQuad;
+using ReactiveUI;
 using RedBookPlayer.Discs;
 
 namespace RedBookPlayer.Hardware
 {
-    public class SoundOutput
+    public class SoundOutput : ReactiveObject
     {
         #region Public Fields
 
@@ -17,15 +18,23 @@ namespace RedBookPlayer.Hardware
         /// </summary>
         public bool Initialized { get; private set; } = false;
 
-        /// <summary>
-        /// Indicates if de-emphasis should be applied
-        /// </summary>
-        public bool ApplyDeEmphasis { get; set; } = false;
-
         /// <summary>
         /// Indicate if the output is playing
         /// </summary>
-        public bool Playing => _soundOut.PlaybackState == PlaybackState.Playing;
+        public bool Playing
+        {
+            get => _playing;
+            private set => this.RaiseAndSetIfChanged(ref _playing, value);
+        }
+
+        /// <summary>
+        /// Indicates if de-emphasis should be applied
+        /// </summary>
+        public bool ApplyDeEmphasis
+        {
+            get => _applyDeEmphasis;
+            private set => this.RaiseAndSetIfChanged(ref _applyDeEmphasis, value);
+        }
 
         /// <summary>
         /// Current playback volume
@@ -35,24 +44,24 @@ namespace RedBookPlayer.Hardware
             get => _volume;
             set
             {
+                int tempVolume = value;
                 if(value > 100)
-                    _volume = 100;
+                    tempVolume = 100;
                 else if(value < 0)
-                    _volume = 0;
-                else
-                    _volume = value;
+                    tempVolume = 0;
+
+                this.RaiseAndSetIfChanged(ref _volume, tempVolume);
             }
         }
 
+        private bool _playing;
+        private bool _applyDeEmphasis;
+        private int _volume;
+
         #endregion
 
         #region Private State Variables
 
-        /// <summary>
-        /// Current position in the sector
-        /// </summary>
-        private int _currentSectorReadPosition = 0;
-
         /// <summary>
         /// OpticalDisc from the parent player for easy access
         /// </summary>
@@ -61,11 +70,6 @@ namespace RedBookPlayer.Hardware
         /// </remarks>
         private OpticalDisc _opticalDisc;
 
-        /// <summary>
-        /// Internal value for the volume
-        /// </summary>
-        private int _volume;
-
         /// <summary>
         /// Data provider for sound output
         /// </summary>
@@ -86,6 +90,11 @@ namespace RedBookPlayer.Hardware
         /// </summary>
         private BiQuadFilter _deEmphasisFilterRight;
 
+        /// <summary>
+        /// Current position in the sector
+        /// </summary>
+        private int _currentSectorReadPosition = 0;
+
         /// <summary>
         /// Lock object for reading track data
         /// </summary>
@@ -254,22 +263,45 @@ namespace RedBookPlayer.Hardware
         /// <summary>
         /// Start audio playback
         /// </summary>
-        public void Play() => _soundOut.Play();
+        public void Play()
+        {
+            if (_soundOut.PlaybackState != PlaybackState.Playing)
+                _soundOut.Play();
+
+            Playing = _soundOut.PlaybackState == PlaybackState.Playing;
+        }
+
+        /// <summary>
+        /// Pause audio playback
+        /// </summary>
+        public void Pause()
+        {
+            if(_soundOut.PlaybackState != PlaybackState.Paused)
+                _soundOut.Pause();
+
+            Playing = _soundOut.PlaybackState == PlaybackState.Playing;
+        }
 
         /// <summary>
         /// Stop audio playback
         /// </summary>
-        public void Stop() => _soundOut.Stop();
+        public void Stop()
+        {
+            if(_soundOut.PlaybackState != PlaybackState.Stopped)
+                _soundOut.Stop();
+
+            Playing = _soundOut.PlaybackState == PlaybackState.Playing;
+        }
 
         #endregion
 
         #region Helpers
 
         /// <summary>
-        /// Toggle de-emphasis processing
+        /// Set de-emphasis status
         /// </summary>
-        /// <param name="enable">True to apply de-emphasis, false otherwise</param>
-        public void SetDeEmphasis(bool enable) => ApplyDeEmphasis = enable;
+        /// <param name="apply"></param>
+        public void SetDeEmphasis(bool apply) => ApplyDeEmphasis = apply;
 
         /// <summary>
         /// Sets or resets the de-emphasis filters