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Merge pull request #23 from mnadareski/player-separation

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Separate out internal code more cleanly
This commit is contained in:
Natalia Portillo
2021-06-30 17:20:11 +01:00
committed by GitHub
parent ec53eee688 49c0423b5d
commit c0d9824da0
25 changed files with 1205 additions and 1148 deletions
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2
Aaru

Submodule Aaru updated: b41b167911...2a6903f866

7
RedBookPlayer.sln
View File

@@ -33,6 +33,13 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CUETools.Codecs", "Aaru\cue
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CUETools.Codecs.Flake", "Aaru\cuetools.net\CUETools.Codecs.Flake\CUETools.Codecs.Flake.csproj", "{ED8E11B7-786F-4EFF-9E4C-B937B7A2DE89}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{0531C157-8111-4BC9-8C65-A2FDDB0C96FD}"
ProjectSection(SolutionItems) = preProject
build.bat = build.bat
build.sh = build.sh
README.md = README.md
EndProjectSection
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU

1
RedBookPlayer/App.xaml.cs
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@@ -5,6 +5,7 @@ using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Markup.Xaml;
using RedBookPlayer.GUI;
namespace RedBookPlayer
{

406
RedBookPlayer/Discs/CompactDisc.cs Normal file
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@@ -0,0 +1,406 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using Aaru.CommonTypes.Structs;
using Aaru.Decoders.CD;
using Aaru.Helpers;
using static Aaru.Decoders.CD.FullTOC;
namespace RedBookPlayer.Discs
{
public class CompactDisc : OpticalDisc
{
#region Public Fields
/// <inheritdoc/>
public override int CurrentTrackNumber
{
get => _currentTrackNumber;
protected set
{
// Unset image means we can't do anything
if(_image == null)
return;
// Cache the value and the current track number
int cachedValue = value;
int cachedTrackNumber = _currentTrackNumber;
// Check if we're incrementing or decrementing the track
bool increment = cachedValue >= _currentTrackNumber;
do
{
// Ensure that the value is valid, wrapping around if necessary
if(cachedValue >= _image.Tracks.Count)
cachedValue = 0;
else if(cachedValue < 0)
cachedValue = _image.Tracks.Count - 1;
_currentTrackNumber = cachedValue;
// Cache the current track for easy access
Track track = _image.Tracks[_currentTrackNumber];
// Set track flags from subchannel data, if possible
SetTrackFlags(track);
TotalIndexes = track.Indexes.Keys.Max();
CurrentTrackIndex = track.Indexes.Keys.Min();
// If the track is playable, just return
if(TrackType == TrackType.Audio || App.Settings.PlayDataTracks)
return;
// If we're not playing the track, skip
if(increment)
cachedValue++;
else
cachedValue--;
}
while(cachedValue != cachedTrackNumber);
}
}
/// <inheritdoc/>
public override ushort CurrentTrackIndex
{
get => _currentTrackIndex;
protected set
{
// Unset image means we can't do anything
if(_image == null)
return;
// Cache the current track for easy access
Track track = _image.Tracks[CurrentTrackNumber];
// Ensure that the value is valid, wrapping around if necessary
if(value > track.Indexes.Keys.Max())
_currentTrackIndex = 0;
else if(value < 0)
_currentTrackIndex = track.Indexes.Keys.Max();
else
_currentTrackIndex = value;
// Set new index-specific data
SectionStartSector = (ulong)track.Indexes[CurrentTrackIndex];
TotalTime = track.TrackEndSector - track.TrackStartSector;
}
}
/// <inheritdoc/>
public override ulong CurrentSector
{
get => _currentSector;
set
{
// Unset image means we can't do anything
if(_image == null)
return;
// Cache the current track for easy access
Track track = _image.Tracks[CurrentTrackNumber];
_currentSector = value;
if((CurrentTrackNumber < _image.Tracks.Count - 1 && CurrentSector >= _image.Tracks[CurrentTrackNumber + 1].TrackStartSector)
|| (CurrentTrackNumber > 0 && CurrentSector < track.TrackStartSector))
{
foreach(Track trackData in _image.Tracks.ToArray().Reverse())
{
if(CurrentSector >= trackData.TrackStartSector)
{
CurrentTrackNumber = (int)trackData.TrackSequence - 1;
break;
}
}
}
foreach((ushort key, int i) in track.Indexes.Reverse())
{
if((int)CurrentSector >= i)
{
CurrentTrackIndex = key;
return;
}
}
CurrentTrackIndex = 0;
}
}
/// <summary>
/// Represents the 4CH flag
/// </summary>
public bool QuadChannel { get; private set; } = false;
/// <summary>
/// Represents the DATA flag
/// </summary>
public bool IsDataTrack => TrackType != TrackType.Audio;
/// <summary>
/// Represents the DCP flag
/// </summary>
public bool CopyAllowed { get; private set; } = false;
/// <summary>
/// Represents the PRE flag
/// </summary>
public bool TrackHasEmphasis { get; private set; } = false;
#endregion
#region Private State Variables
/// <summary>
/// Current track number
/// </summary>
private int _currentTrackNumber = 0;
/// <summary>
/// Current track index
/// </summary>
private ushort _currentTrackIndex = 0;
/// <summary>
/// Current sector number
/// </summary>
private ulong _currentSector = 0;
/// <summary>
/// Current disc table of contents
/// </summary>
private CDFullTOC _toc;
#endregion
/// <inheritdoc/>
public override void Init(IOpticalMediaImage image, bool autoPlay = false)
{
// If the image is null, we can't do anything
if(image == null)
return;
// Set the current disc image
_image = image;
// Attempt to load the TOC
if(!LoadTOC())
return;
// Load the first track
LoadFirstTrack();
// Reset total indexes if not in autoplay
if(!autoPlay)
TotalIndexes = 0;
// Set the internal disc state
TotalTracks = _image.Tracks.Count;
TrackDataDescriptor firstTrack = _toc.TrackDescriptors.First(d => d.ADR == 1 && d.POINT == 1);
TimeOffset = (ulong)((firstTrack.PMIN * 60 * 75) + (firstTrack.PSEC * 75) + firstTrack.PFRAME);
TotalTime = TimeOffset + _image.Tracks.Last().TrackEndSector;
// Mark the disc as ready
Initialized = true;
}
#region Seeking
/// <inheritdoc/>
public override bool NextIndex(bool changeTrack)
{
if(_image == null)
return false;
if(CurrentTrackIndex + 1 > _image.Tracks[CurrentTrackNumber].Indexes.Keys.Max())
{
if(changeTrack)
{
NextTrack();
CurrentSector = (ulong)_image.Tracks[CurrentTrackNumber].Indexes.Values.Min();
return true;
}
}
else
{
CurrentSector = (ulong)_image.Tracks[CurrentTrackNumber].Indexes[++CurrentTrackIndex];
}
return false;
}
/// <inheritdoc/>
public override bool PreviousIndex(bool changeTrack)
{
if(_image == null)
return false;
if(CurrentTrackIndex - 1 < _image.Tracks[CurrentTrackNumber].Indexes.Keys.Min())
{
if(changeTrack)
{
PreviousTrack();
CurrentSector = (ulong)_image.Tracks[CurrentTrackNumber].Indexes.Values.Max();
return true;
}
}
else
{
CurrentSector = (ulong)_image.Tracks[CurrentTrackNumber].Indexes[--CurrentTrackIndex];
}
return false;
}
#endregion
#region Helpers
/// <inheritdoc/>
public override void LoadFirstTrack()
{
CurrentTrackNumber = 0;
LoadTrack(CurrentTrackNumber);
}
/// <inheritdoc/>
public override void SetTotalIndexes()
{
if(_image == null)
return;
TotalIndexes = _image.Tracks[CurrentTrackNumber].Indexes.Keys.Max();
}
/// <inheritdoc/>
protected override void LoadTrack(int track)
{
if(_image == null)
return;
if(track < 0 || track >= _image.Tracks.Count)
return;
ushort firstIndex = _image.Tracks[track].Indexes.Keys.Min();
int firstSector = _image.Tracks[track].Indexes[firstIndex];
CurrentSector = (ulong)(firstSector >= 0 ? firstSector : _image.Tracks[track].Indexes[1]);
}
/// <summary>
/// Load TOC for the current disc image
/// </summary>
/// <returns>True if the TOC could be loaded, false otherwise</returns>
private bool LoadTOC()
{
// If the image is invalide, we can't load or generate a TOC
if(_image == null)
return false;
if(_image.Info.ReadableMediaTags?.Contains(MediaTagType.CD_FullTOC) != true)
{
// Only generate the TOC if we have it set
if(!App.Settings.GenerateMissingTOC)
{
Console.WriteLine("Full TOC not found");
return false;
}
Console.WriteLine("Attempting to generate TOC");
// Get the list of tracks and flags to create the TOC with
List<Track> tracks = _image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence).ToList();
Dictionary<byte, byte> trackFlags = new Dictionary<byte, byte>();
foreach(Track track in tracks)
{
byte[] singleTrackFlags = _image.ReadSectorTag(track.TrackStartSector + 1, SectorTagType.CdTrackFlags);
if(singleTrackFlags != null)
trackFlags.Add((byte)track.TrackStartSector, singleTrackFlags[0]);
}
try
{
_toc = Create(tracks, trackFlags);
Console.WriteLine(Prettify(_toc));
return true;
}
catch
{
Console.WriteLine("Full TOC not found or generated");
return false;
}
}
byte[] tocBytes = _image.ReadDiskTag(MediaTagType.CD_FullTOC);
if(tocBytes == null || tocBytes.Length == 0)
{
Console.WriteLine("Error reading TOC from disc image");
return false;
}
if(Swapping.Swap(BitConverter.ToUInt16(tocBytes, 0)) + 2 != tocBytes.Length)
{
byte[] tmp = new byte[tocBytes.Length + 2];
Array.Copy(tocBytes, 0, tmp, 2, tocBytes.Length);
tmp[0] = (byte)((tocBytes.Length & 0xFF00) >> 8);
tmp[1] = (byte)(tocBytes.Length & 0xFF);
tocBytes = tmp;
}
var nullableToc = Decode(tocBytes);
if(nullableToc == null)
{
Console.WriteLine("Error decoding TOC");
return false;
}
_toc = nullableToc.Value;
Console.WriteLine(Prettify(_toc));
return true;
}
/// <summary>
/// Set default track flags for the current track
/// </summary>
/// <param name="track">Track object to read from</param>
private void SetDefaultTrackFlags(Track track)
{
QuadChannel = false;
TrackType = track.TrackType;
CopyAllowed = false;
TrackHasEmphasis = false;
}
/// <summary>
/// Set track flags from the current track
/// </summary>
/// <param name="track">Track object to read from</param>
private void SetTrackFlags(Track track)
{
try
{
// Get the track descriptor from the TOC
TrackDataDescriptor descriptor = _toc.TrackDescriptors.First(d => d.POINT == track.TrackSequence);
// Set the track flags from TOC data
byte flags = (byte)(descriptor.CONTROL & 0x0D);
TrackHasEmphasis = (flags & (byte)TocControl.TwoChanPreEmph) == (byte)TocControl.TwoChanPreEmph;
CopyAllowed = (flags & (byte)TocControl.CopyPermissionMask) == (byte)TocControl.CopyPermissionMask;
TrackType = (flags & (byte)TocControl.DataTrack) == (byte)TocControl.DataTrack ? TrackType.Data : TrackType.Audio;
QuadChannel = (flags & (byte)TocControl.FourChanNoPreEmph) == (byte)TocControl.FourChanNoPreEmph;
return;
}
catch(Exception)
{
SetDefaultTrackFlags(track);
}
}
#endregion
}
}

166
RedBookPlayer/Discs/OpticalDisc.cs Normal file
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@@ -0,0 +1,166 @@
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
namespace RedBookPlayer.Discs
{
public abstract class OpticalDisc
{
#region Public Fields
/// <summary>
/// Indicate if the disc is ready to be used
/// </summary>
public bool Initialized { get; protected set; } = false;
/// <summary>
/// Current track number
/// </summary>
public abstract int CurrentTrackNumber { get; protected set; }
/// <summary>
/// Current track index
/// </summary>
public abstract ushort CurrentTrackIndex { get; protected set; }
/// <summary>
/// Current sector number
/// </summary>
public abstract ulong CurrentSector { get; set; }
/// <summary>
/// Represents the sector starting the section
/// </summary>
public ulong SectionStartSector { get; protected set; }
/// <summary>
/// Number of bytes per sector for the current track
/// </summary>
public int BytesPerSector => _image.Tracks[CurrentTrackNumber].TrackBytesPerSector;
/// <summary>
/// Represents the track type
/// </summary>
public TrackType TrackType { get; protected set; }
/// <summary>
/// Represents the total tracks on the disc
/// </summary>
public int TotalTracks { get; protected set; } = 0;
/// <summary>
/// Represents the total indices on the disc
/// </summary>
public int TotalIndexes { get; protected set; } = 0;
/// <summary>
/// Total sectors in the image
/// </summary>
public ulong TotalSectors => _image.Info.Sectors;
/// <summary>
/// Represents the time adjustment offset for the disc
/// </summary>
public ulong TimeOffset { get; protected set; } = 0;
/// <summary>
/// Represents the total playing time for the disc
/// </summary>
public ulong TotalTime { get; protected set; } = 0;
#endregion
#region Protected State Variables
/// <summary>
/// Currently loaded disc image
/// </summary>
protected IOpticalMediaImage _image;
#endregion
/// <summary>
/// Initialize the disc with a given image
/// </summary>
/// <param name="image">Aaruformat image to load</param>
/// <param name="autoPlay">True if playback should begin immediately, false otherwise</param>
public abstract void Init(IOpticalMediaImage image, bool autoPlay = false);
#region Seeking
/// <summary>
/// Try to move to the next track, wrapping around if necessary
/// </summary>
public void NextTrack()
{
if(_image == null)
return;
CurrentTrackNumber++;
LoadTrack(CurrentTrackNumber);
}
/// <summary>
/// Try to move to the previous track, wrapping around if necessary
/// </summary>
public void PreviousTrack()
{
if(_image == null)
return;
if(CurrentSector < (ulong)_image.Tracks[CurrentTrackNumber].Indexes[1] + 75)
{
if(App.Settings.AllowSkipHiddenTrack && CurrentTrackNumber == 0 && CurrentSector >= 75)
CurrentSector = 0;
else
CurrentTrackNumber--;
}
else
CurrentTrackNumber--;
LoadTrack(CurrentTrackNumber);
}
/// <summary>
/// Try to move to the next track index
/// </summary>
/// <param name="changeTrack">True if index changes can trigger a track change, false otherwise</param>
/// <returns>True if the track was changed, false otherwise</returns>
public abstract bool NextIndex(bool changeTrack);
/// <summary>
/// Try to move to the previous track index
/// </summary>
/// <param name="changeTrack">True if index changes can trigger a track change, false otherwise</param>
/// <returns>True if the track was changed, false otherwise</returns>
public abstract bool PreviousIndex(bool changeTrack);
#endregion
#region Helpers
/// <summary>
/// Load the first valid track in the image
/// </summary>
public abstract void LoadFirstTrack();
/// <summary>
/// Read sector data from the base image starting from the current sector
/// </summary>
/// <param name="sectorsToRead">Current number of sectors to read</param>
/// <returns>Byte array representing the read sectors, if possible</returns>
public byte[] ReadSectors(uint sectorsToRead) => _image.ReadSectors(CurrentSector, sectorsToRead);
/// <summary>
/// Set the total indexes from the current track
/// </summary>
public abstract void SetTotalIndexes();
/// <summary>
/// Load the desired track, if possible
/// </summary>
/// <param name="track">Track number to load</param>
protected abstract void LoadTrack(int track);
#endregion
}
}

80
RedBookPlayer/Discs/OpticalDiscFactory.cs Normal file
View File

@@ -0,0 +1,80 @@
using Aaru.CommonTypes.Interfaces;
using Aaru.CommonTypes.Metadata;
namespace RedBookPlayer.Discs
{
public static class OpticalDiscFactory
{
/// <summary>
/// Generate an OpticalDisc from an input IOpticalMediaImage
/// </summary>
/// <param name="image">IOpticalMediaImage to create from</param>
/// <param name="autoPlay">True if the image should be playable immediately, false otherwise</param>
/// <returns>Instantiated OpticalDisc, if possible</returns>
public static OpticalDisc GenerateFromImage(IOpticalMediaImage image, bool autoPlay)
{
// If the image is not usable, we don't do anything
if(!IsUsableImage(image))
return null;
// Create the output object
OpticalDisc opticalDisc;
// Create the proper disc type
switch(GetMediaType(image))
{
case "Compact Disc":
case "GD":
opticalDisc = new CompactDisc();
break;
default:
opticalDisc = null;
break;
}
// Null image means we don't do anything
if(opticalDisc == null)
return opticalDisc;
// Instantiate the disc and return
opticalDisc.Init(image, autoPlay);
return opticalDisc;
}
/// <summary>
/// Gets the human-readable media type from an image
/// </summary>
/// <param name="image">Media image to check</param>
/// <returns>Type from the image, empty string on error</returns>
/// <remarks>TODO: Can we be more granular with sub types?</remarks>
private static string GetMediaType(IOpticalMediaImage image)
{
// Null image means we don't do anything
if(image == null)
return string.Empty;
(string type, string _) = MediaType.MediaTypeToString(image.Info.MediaType);
return type;
}
/// <summary>
/// Indicates if the image is considered "usable" or not
/// </summary>
/// <param name="image">Aaruformat image file</param>
/// <returns>True if the image is playble, false otherwise</returns>
private static bool IsUsableImage(IOpticalMediaImage image)
{
// Invalid images can't be used
if(image == null)
return false;
// Determine based on media type
return GetMediaType(image) switch
{
"Compact Disc" => true,
"GD" => true, // Requires TOC generation
_ => false,
};
}
}
}

3
RedBookPlayer/MainWindow.xaml → RedBookPlayer/GUI/MainWindow.xaml
View File

@@ -1,6 +1,7 @@
<Window xmlns="https://github.com/avaloniaui" 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" mc:Ignorable="d"
x:Class="RedBookPlayer.MainWindow" Title="RedBookPlayer" SizeToContent="WidthAndHeight">
x:Class="RedBookPlayer.GUI.MainWindow" Title="RedBookPlayer" SizeToContent="WidthAndHeight"
DragDrop.AllowDrop="True">
<ContentControl Name="Content" />
</Window>

45
RedBookPlayer/MainWindow.xaml.cs → RedBookPlayer/GUI/MainWindow.xaml.cs
View File

@@ -1,11 +1,12 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Xml;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Markup.Xaml;
namespace RedBookPlayer
namespace RedBookPlayer.GUI
{
public class MainWindow : Window
{
@@ -62,15 +63,9 @@ namespace RedBookPlayer
Instance.Height = ((PlayerView)Instance.ContentControl.Content).Height;
}
public void OnKeyDown(object sender, KeyEventArgs e)
{
if(e.Key == Key.F1)
{
settingsWindow = new SettingsWindow(App.Settings);
settingsWindow.Show();
}
}
/// <summary>
/// Initialize the main window
/// </summary>
void InitializeComponent()
{
AvaloniaXamlLoader.Load(this);
@@ -97,6 +92,36 @@ namespace RedBookPlayer
{
PlayerView.Player.Stop();
};
AddHandler(DragDrop.DropEvent, MainWindow_Drop);
}
#region Event Handlers
public async void MainWindow_Drop(object sender, DragEventArgs e)
{
PlayerView playerView = ContentControl.Content as PlayerView;
if(playerView == null)
return;
IEnumerable<string> fileNames = e.Data.GetFileNames();
foreach(string filename in fileNames)
{
bool loaded = await playerView.LoadImage(filename);
if(loaded)
break;
}
}
public void OnKeyDown(object sender, KeyEventArgs e)
{
if(e.Key == Key.F1)
{
settingsWindow = new SettingsWindow(App.Settings);
settingsWindow.Show();
}
}
#endregion
}
}

6
RedBookPlayer/PlayerView.xaml → RedBookPlayer/GUI/PlayerView.xaml
View File

@@ -1,7 +1,7 @@
<UserControl xmlns="https://github.com/avaloniaui" 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" mc:Ignorable="d"
x:Class="RedBookPlayer.PlayerView" Width="900" Height="400">
x:Class="RedBookPlayer.GUI.PlayerView" Width="900" Height="400">
<StackPanel Margin="16" VerticalAlignment="Center">
<Button Click="LoadButton_Click" Margin="32,0,32,16">Load</Button>
<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,0,0,16">
@@ -86,8 +86,8 @@
</Button>
</StackPanel>
<StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
<TextBlock Margin="0,0,16,0" Foreground="LightGray" IsVisible="{Binding !IsAudioTrack}">AUDIO</TextBlock>
<TextBlock Margin="0,0,16,0" IsVisible="{Binding IsAudioTrack}">AUDIO</TextBlock>
<TextBlock Margin="0,0,16,0" Foreground="LightGray" IsVisible="{Binding IsDataTrack}">AUDIO</TextBlock>
<TextBlock Margin="0,0,16,0" IsVisible="{Binding !IsDataTrack}">AUDIO</TextBlock>
<TextBlock Margin="0,0,16,0" Foreground="LightGray" IsVisible="{Binding !IsDataTrack}">DATA</TextBlock>
<TextBlock Margin="0,0,16,0" IsVisible="{Binding IsDataTrack}">DATA</TextBlock>
<TextBlock Margin="0,0,16,0" Foreground="LightGray" IsVisible="{Binding !TrackHasEmphasis}">EMPHASIS</TextBlock>

246
RedBookPlayer/PlayerView.xaml.cs → RedBookPlayer/GUI/PlayerView.xaml.cs
View File

@@ -4,10 +4,6 @@ using System.IO;
using System.Linq;
using System.Threading.Tasks;
using System.Timers;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using Aaru.DiscImages;
using Aaru.Filters;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
@@ -15,8 +11,9 @@ using Avalonia.Markup.Xaml;
using Avalonia.Media.Imaging;
using Avalonia.Platform;
using Avalonia.Threading;
using RedBookPlayer.Hardware;
namespace RedBookPlayer
namespace RedBookPlayer.GUI
{
public class PlayerView : UserControl
{
@@ -25,11 +22,6 @@ namespace RedBookPlayer
/// </summary>
public static Player Player = new Player();
/// <summary>
/// Disc representing the loaded image
/// </summary>
public static PlayableDisc PlayableDisc = new PlayableDisc();
/// <summary>
/// Set of images representing the digits for the UI
/// </summary>
@@ -56,7 +48,7 @@ namespace RedBookPlayer
public async Task<string> GetPath()
{
var dialog = new OpenFileDialog { AllowMultiple = false };
List<string> knownExtensions = new AaruFormat().KnownExtensions.ToList();
List<string> knownExtensions = new Aaru.DiscImages.AaruFormat().KnownExtensions.ToList();
dialog.Filters.Add(new FileDialogFilter()
{
Name = "Aaru Image Format (*" + string.Join(", *", knownExtensions) + ")",
@@ -67,40 +59,26 @@ namespace RedBookPlayer
}
/// <summary>
/// Generate the digit string to be interpreted by the UI
/// Load an image from the path
/// </summary>
/// <returns>String representing the digits for the player</returns>
private string GenerateDigitString()
/// <param name="path">Path to the image to load</param>
public async Task<bool> LoadImage(string path)
{
// If the disc or player aren't initialized, return all '-' characters
if (!PlayableDisc.Initialized)
return string.Empty.PadLeft(20, '-');
// Otherwise, take the current time into account
ulong sectorTime = PlayableDisc.CurrentSector;
if (PlayableDisc.SectionStartSector != 0)
sectorTime -= PlayableDisc.SectionStartSector;
else
sectorTime += PlayableDisc.TimeOffset;
int[] numbers = new int[]
bool result = await Task.Run(() =>
{
PlayableDisc.CurrentTrackNumber + 1,
PlayableDisc.CurrentTrackIndex,
Player.Init(path, App.Settings.AutoPlay);
return Player.Initialized;
});
(int)(sectorTime / (75 * 60)),
(int)(sectorTime / 75 % 60),
(int)(sectorTime % 75),
if(result)
{
await Dispatcher.UIThread.InvokeAsync(() =>
{
MainWindow.Instance.Title = "RedBookPlayer - " + path.Split('/').Last().Split('\\').Last();
});
}
PlayableDisc.TotalTracks,
PlayableDisc.TotalIndexes,
(int)(PlayableDisc.TotalTime / (75 * 60)),
(int)(PlayableDisc.TotalTime / 75 % 60),
(int)(PlayableDisc.TotalTime % 75),
};
return string.Join("", numbers.Select(i => i.ToString().PadLeft(2, '0').Substring(0, 2)));
return result;
}
/// <summary>
@@ -127,10 +105,44 @@ namespace RedBookPlayer
}
}
/// <summary>
/// Initialize the UI based on the currently selected theme
/// </summary>
/// <param name="xaml">XAML data representing the theme, null for default</param>
private void InitializeComponent(string xaml)
{
DataContext = new PlayerViewModel();
// Load the theme
if (xaml != null)
new AvaloniaXamlLoader().Load(xaml, null, this);
else
AvaloniaXamlLoader.Load(this);
InitializeDigits();
_updateTimer = new Timer(1000 / 60);
_updateTimer.Elapsed += (sender, e) =>
{
try
{
UpdateView(sender, e);
}
catch(Exception ex)
{
Console.WriteLine(ex);
}
};
_updateTimer.AutoReset = true;
_updateTimer.Start();
}
/// <summary>
/// Initialize the displayed digits array
/// </summary>
private void Initialize()
private void InitializeDigits()
{
_digits = new Image[]
{
@@ -162,98 +174,6 @@ namespace RedBookPlayer
};
}
/// <summary>
/// Initialize the UI based on the currently selected theme
/// </summary>
/// <param name="xaml">XAML data representing the theme, null for default</param>
private void InitializeComponent(string xaml)
{
DataContext = new PlayerViewModel();
if (xaml != null)
new AvaloniaXamlLoader().Load(xaml, null, this);
else
AvaloniaXamlLoader.Load(this);
Initialize();
_updateTimer = new Timer(1000 / 60);
_updateTimer.Elapsed += (sender, e) =>
{
try
{
UpdateView(sender, e);
}
catch(Exception ex)
{
Console.WriteLine(ex);
}
};
_updateTimer.AutoReset = true;
_updateTimer.Start();
}
/// <summary>
/// Indicates if the image is considered "playable" or not
/// </summary>
/// <param name="image">Aaruformat image file</param>
/// <returns>True if the image is playble, false otherwise</returns>
private bool IsPlayableImage(IOpticalMediaImage image)
{
// Invalid images can't be played
if (image == null)
return false;
// Determine based on media type
// TODO: Can we be more granular with sub types?
(string type, string _) = Aaru.CommonTypes.Metadata.MediaType.MediaTypeToString(image.Info.MediaType);
return type switch
{
"Compact Disc" => true,
"GD" => true, // Requires TOC generation
_ => false,
};
}
/// <summary>
/// Load an image from the path
/// </summary>
/// <param name="path">Path to the image to load</param>
private async void LoadImage(string path)
{
bool result = await Task.Run(() =>
{
var image = new AaruFormat();
var filter = new ZZZNoFilter();
filter.Open(path);
image.Open(filter);
if(IsPlayableImage(image))
{
PlayableDisc.Init(image, App.Settings.AutoPlay);
if(PlayableDisc.Initialized)
{
Player.Init(PlayableDisc, App.Settings.AutoPlay);
return true;
}
return false;
}
else
return false;
});
if(result)
{
await Dispatcher.UIThread.InvokeAsync(() =>
{
MainWindow.Instance.Title = "RedBookPlayer - " + path.Split('/').Last().Split('\\').Last();
});
}
}
/// <summary>
/// Update the UI with the most recent information from the Player
/// </summary>
@@ -261,24 +181,14 @@ namespace RedBookPlayer
{
Dispatcher.UIThread.InvokeAsync(() =>
{
string digitString = GenerateDigitString();
string digitString = Player.GenerateDigitString();
for (int i = 0; i < _digits.Length; i++)
{
if (_digits[i] != null)
_digits[i].Source = GetBitmap(digitString[i]);
}
if (Player.Initialized)
{
PlayerViewModel dataContext = (PlayerViewModel)DataContext;
dataContext.HiddenTrack = PlayableDisc.TimeOffset > 150;
dataContext.ApplyDeEmphasis = PlayableDisc.ApplyDeEmphasis;
dataContext.TrackHasEmphasis = PlayableDisc.TrackHasEmphasis;
dataContext.CopyAllowed = PlayableDisc.CopyAllowed;
dataContext.QuadChannel = PlayableDisc.QuadChannel;
dataContext.IsAudioTrack = PlayableDisc.TrackType == TrackType.Audio;
dataContext.IsDataTrack = PlayableDisc.TrackType != TrackType.Audio;
}
Player.UpdateDataContext(DataContext as PlayerViewModel);
});
}
@@ -295,51 +205,29 @@ namespace RedBookPlayer
LoadImage(path);
}
public void PlayButton_Click(object sender, RoutedEventArgs e) => Player.Play();
public void PlayButton_Click(object sender, RoutedEventArgs e) => Player.TogglePlayPause(true);
public void PauseButton_Click(object sender, RoutedEventArgs e) => Player.Pause();
public void PauseButton_Click(object sender, RoutedEventArgs e) => Player.TogglePlayPause(false);
public void PlayPauseButton_Click(object sender, RoutedEventArgs e) => Player.TogglePlayPause(!Player.Playing);
public void StopButton_Click(object sender, RoutedEventArgs e) => Player.Stop();
public void NextTrackButton_Click(object sender, RoutedEventArgs e)
{
bool wasPlaying = Player.Playing;
if(wasPlaying) Player.Pause();
PlayableDisc.NextTrack();
if(wasPlaying) Player.Play();
}
public void NextTrackButton_Click(object sender, RoutedEventArgs e) => Player.NextTrack();
public void PreviousTrackButton_Click(object sender, RoutedEventArgs e)
{
bool wasPlaying = Player.Playing;
if(wasPlaying) Player.Pause();
PlayableDisc.PreviousTrack();
if(wasPlaying) Player.Play();
}
public void PreviousTrackButton_Click(object sender, RoutedEventArgs e) => Player.PreviousTrack();
public void NextIndexButton_Click(object sender, RoutedEventArgs e)
{
bool wasPlaying = Player.Playing;
if(wasPlaying) Player.Pause();
PlayableDisc.NextIndex(App.Settings.IndexButtonChangeTrack);
if(wasPlaying) Player.Play();
}
public void NextIndexButton_Click(object sender, RoutedEventArgs e) => Player.NextIndex(App.Settings.IndexButtonChangeTrack);
public void PreviousIndexButton_Click(object sender, RoutedEventArgs e)
{
bool wasPlaying = Player.Playing;
if(wasPlaying) Player.Pause();
PlayableDisc.PreviousIndex(App.Settings.IndexButtonChangeTrack);
if(wasPlaying) Player.Play();
}
public void PreviousIndexButton_Click(object sender, RoutedEventArgs e) => Player.PreviousIndex(App.Settings.IndexButtonChangeTrack);
public void FastForwardButton_Click(object sender, RoutedEventArgs e) => PlayableDisc.FastForward();
public void FastForwardButton_Click(object sender, RoutedEventArgs e) => Player.FastForward();
public void RewindButton_Click(object sender, RoutedEventArgs e) => PlayableDisc.Rewind();
public void RewindButton_Click(object sender, RoutedEventArgs e) => Player.Rewind();
public void EnableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayableDisc.ToggleDeEmphasis(true);
public void EnableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => Player.ToggleDeEmphasis(true);
public void DisableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => PlayableDisc.ToggleDeEmphasis(false);
public void DisableDeEmphasisButton_Click(object sender, RoutedEventArgs e) => Player.ToggleDeEmphasis(false);
#endregion
}

51
RedBookPlayer/PlayerViewModel.cs → RedBookPlayer/GUI/PlayerViewModel.cs
View File

@@ -1,6 +1,6 @@
using ReactiveUI;
namespace RedBookPlayer
namespace RedBookPlayer.GUI
{
public class PlayerViewModel : ReactiveObject
{
@@ -11,6 +11,27 @@ namespace RedBookPlayer
set => this.RaiseAndSetIfChanged(ref _applyDeEmphasis, value);
}
private bool _quadChannel;
public bool QuadChannel
{
get => _quadChannel;
set => this.RaiseAndSetIfChanged(ref _quadChannel, value);
}
private bool _isDataTrack;
public bool IsDataTrack
{
get => _isDataTrack;
set => this.RaiseAndSetIfChanged(ref _isDataTrack, value);
}
private bool _copyAllowed;
public bool CopyAllowed
{
get => _copyAllowed;
set => this.RaiseAndSetIfChanged(ref _copyAllowed, value);
}
private bool _trackHasEmphasis;
public bool TrackHasEmphasis
{
@@ -24,33 +45,5 @@ namespace RedBookPlayer
get => _hiddenTrack;
set => this.RaiseAndSetIfChanged(ref _hiddenTrack, value);
}
private bool _copyAllowed;
public bool CopyAllowed
{
get => _copyAllowed;
set => this.RaiseAndSetIfChanged(ref _copyAllowed, value);
}
private bool _quadChannel;
public bool QuadChannel
{
get => _quadChannel;
set => this.RaiseAndSetIfChanged(ref _quadChannel, value);
}
private bool _isAudioTrack;
public bool IsAudioTrack
{
get => _isAudioTrack;
set => this.RaiseAndSetIfChanged(ref _isAudioTrack, value);
}
private bool _isDataTrack;
public bool IsDataTrack
{
get => _isDataTrack;
set => this.RaiseAndSetIfChanged(ref _isDataTrack, value);
}
}
}

2
RedBookPlayer/SettingsWindow.xaml → RedBookPlayer/GUI/SettingsWindow.xaml
View File

@@ -1,7 +1,7 @@
<Window xmlns="https://github.com/avaloniaui" 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" mc:Ignorable="d" d:DesignWidth="800"
d:DesignHeight="450" x:Class="RedBookPlayer.SettingsWindow" Title="Settings" Width="450" Height="600">
d:DesignHeight="450" x:Class="RedBookPlayer.GUI.SettingsWindow" Title="Settings" Width="450" Height="600">
<DockPanel Margin="16">
<TextBlock DockPanel.Dock="Top" Margin="0,0,0,4">Themes</TextBlock>
<StackPanel DockPanel.Dock="Bottom">

56
RedBookPlayer/SettingsWindow.xaml.cs → RedBookPlayer/GUI/SettingsWindow.xaml.cs
View File

@@ -4,7 +4,7 @@ using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
namespace RedBookPlayer
namespace RedBookPlayer.GUI
{
public class SettingsWindow : Window
{
@@ -44,30 +44,42 @@ namespace RedBookPlayer
void InitializeComponent()
{
AvaloniaXamlLoader.Load(this);
_themeList = this.FindControl<ListBox>("ThemeList");
_themeList.SelectionChanged += ThemeList_SelectionChanged;
List<string> items = new List<string>();
items.Add("default");
if(Directory.Exists("themes/"))
{
foreach(string dir in Directory.EnumerateDirectories("themes/"))
{
string themeName = dir.Split('/')[1];
if (!File.Exists($"themes/{themeName}/view.xaml"))
continue;
items.Add(themeName);
}
}
_themeList.Items = items;
PopulateThemes();
this.FindControl<Button>("ApplyButton").Click += ApplySettings;
this.FindControl<Slider>("VolumeSlider").PropertyChanged += (s, e) => UpdateView();
}
/// <summary>
/// Populate the list of themes
/// </summary>
private void PopulateThemes()
{
// Get a reference to the theme list
_themeList = this.FindControl<ListBox>("ThemeList");
_themeList.SelectionChanged += ThemeList_SelectionChanged;
// Create a list of all found themes
List<string> items = new List<string>();
items.Add("default");
// Ensure the theme directory exists
if(!Directory.Exists("themes/"))
Directory.CreateDirectory("themes/");
// Add all theme directories if they're valid
foreach(string dir in Directory.EnumerateDirectories("themes/"))
{
string themeName = dir.Split('/')[1];
if(!File.Exists($"themes/{themeName}/view.xaml"))
continue;
items.Add(themeName);
}
_themeList.Items = items;
}
}
}

2
RedBookPlayer/DeEmphasisFilter.cs → RedBookPlayer/Hardware/DeEmphasisFilter.cs
View File

@@ -1,7 +1,7 @@
using System;
using NWaves.Filters.BiQuad;
namespace RedBookPlayer
namespace RedBookPlayer.Hardware
{
/// <summary>
/// Filter for applying de-emphasis to audio

293
RedBookPlayer/Hardware/Player.cs Normal file
View File

@@ -0,0 +1,293 @@
using System;
using System.IO;
using System.Linq;
using Aaru.CommonTypes.Enums;
using Aaru.DiscImages;
using Aaru.Filters;
using RedBookPlayer.Discs;
using RedBookPlayer.GUI;
namespace RedBookPlayer.Hardware
{
public class Player
{
#region Public Fields
/// <summary>
/// Indicate if the player is ready to be used
/// </summary>
public bool Initialized { get; private set; } = false;
/// <summary>
/// Indicate if the disc is playing
/// </summary>
public bool Playing => _soundOutput?.Playing ?? false;
#endregion
#region Private State Variables
/// <summary>
/// OpticalDisc object
/// </summary>
private OpticalDisc _opticalDisc;
/// <summary>
/// Sound output handling class
/// </summary>
public SoundOutput _soundOutput;
#endregion
/// <summary>
/// Initialize the player with a given image path
/// </summary>
/// <param name="path">Path to the disc image</param>
/// <param name="autoPlay">True if playback should begin immediately, false otherwise</param>
public void Init(string path, bool autoPlay = false)
{
// Reset the internal state for initialization
Initialized = false;
_soundOutput = new SoundOutput();
_soundOutput.ApplyDeEmphasis = false;
_opticalDisc = null;
try
{
// Validate the image exists
if(string.IsNullOrWhiteSpace(path) || !File.Exists(path))
return;
// Load the disc image to memory
var image = new AaruFormat();
var filter = new ZZZNoFilter();
filter.Open(path);
image.Open(filter);
// Generate and instantiate the disc
_opticalDisc = OpticalDiscFactory.GenerateFromImage(image, App.Settings.AutoPlay);
}
catch
{
// All errors mean an invalid image in some way
return;
}
// Initialize the sound output
_soundOutput.Init(_opticalDisc, autoPlay);
if(_soundOutput == null || !_soundOutput.Initialized)
return;
// Mark the player as ready
Initialized = true;
}
#region Playback
/// <summary>
/// Toggle audio playback
/// </summary>
/// <param name="start">True to start playback, false to pause</param>
public void TogglePlayPause(bool start)
{
if(_opticalDisc == null || !_opticalDisc.Initialized)
return;
if(start)
{
_soundOutput.Play();
_opticalDisc.SetTotalIndexes();
}
else
{
_soundOutput.Stop();
}
}
/// <summary>
/// Stop the current audio playback
/// </summary>
public void Stop()
{
if(_opticalDisc == null || !_opticalDisc.Initialized)
return;
_soundOutput.Stop();
_opticalDisc.LoadFirstTrack();
}
/// <summary>
/// Move to the next playable track
/// </summary>
public void NextTrack()
{
if(_opticalDisc == null || !_opticalDisc.Initialized)
return;
bool wasPlaying = Playing;
if(wasPlaying) TogglePlayPause(false);
_opticalDisc.NextTrack();
if(_opticalDisc is CompactDisc compactDisc)
_soundOutput.ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
if(wasPlaying) TogglePlayPause(true);
}
/// <summary>
/// Move to the previous playable track
/// </summary>
public void PreviousTrack()
{
if(_opticalDisc == null || !_opticalDisc.Initialized)
return;
bool wasPlaying = Playing;
if(wasPlaying) TogglePlayPause(false);
_opticalDisc.PreviousTrack();
if(_opticalDisc is CompactDisc compactDisc)
_soundOutput.ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
if(wasPlaying) TogglePlayPause(true);
}
/// <summary>
/// Move to the next index
/// </summary>
/// <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)
return;
bool wasPlaying = Playing;
if(wasPlaying) TogglePlayPause(false);
_opticalDisc.NextIndex(changeTrack);
if(_opticalDisc is CompactDisc compactDisc)
_soundOutput.ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
if(wasPlaying) TogglePlayPause(true);
}
/// <summary>
/// Move to the previous index
/// </summary>
/// <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)
return;
bool wasPlaying = Playing;
if(wasPlaying) TogglePlayPause(false);
_opticalDisc.PreviousIndex(changeTrack);
if(_opticalDisc is CompactDisc compactDisc)
_soundOutput.ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
if(wasPlaying) TogglePlayPause(true);
}
/// <summary>
/// Fast-forward playback by 75 sectors, if possible
/// </summary>
public void FastForward()
{
if(_opticalDisc == null || !_opticalDisc.Initialized)
return;
_opticalDisc.CurrentSector = Math.Min(_opticalDisc.TotalSectors, _opticalDisc.CurrentSector + 75);
}
/// <summary>
/// Rewind playback by 75 sectors, if possible
/// </summary>
public void Rewind()
{
if(_opticalDisc == null || !_opticalDisc.Initialized)
return;
if(_opticalDisc.CurrentSector >= 75)
_opticalDisc.CurrentSector -= 75;
}
#endregion
#region Helpers
/// <summary>
/// Generate the digit string to be interpreted by the frontend
/// </summary>
/// <returns>String representing the digits for the frontend</returns>
public string GenerateDigitString()
{
// If the disc isn't initialized, return all '-' characters
if(_opticalDisc == null || !_opticalDisc.Initialized)
return string.Empty.PadLeft(20, '-');
// Otherwise, take the current time into account
ulong sectorTime = _opticalDisc.CurrentSector;
if(_opticalDisc.SectionStartSector != 0)
sectorTime -= _opticalDisc.SectionStartSector;
else
sectorTime += _opticalDisc.TimeOffset;
int[] numbers = new int[]
{
_opticalDisc.CurrentTrackNumber + 1,
_opticalDisc.CurrentTrackIndex,
(int)(sectorTime / (75 * 60)),
(int)(sectorTime / 75 % 60),
(int)(sectorTime % 75),
_opticalDisc.TotalTracks,
_opticalDisc.TotalIndexes,
(int)(_opticalDisc.TotalTime / (75 * 60)),
(int)(_opticalDisc.TotalTime / 75 % 60),
(int)(_opticalDisc.TotalTime % 75),
};
return string.Join("", numbers.Select(i => i.ToString().PadLeft(2, '0').Substring(0, 2)));
}
/// <summary>
/// Toggle de-emphasis processing
/// </summary>
/// <param name="enable">True to apply de-emphasis, false otherwise</param>
public void ToggleDeEmphasis(bool enable) => _soundOutput.ToggleDeEmphasis(enable);
/// <summary>
/// Update the data context for the frontend
/// </summary>
/// <param name="dataContext">Data context to be updated</param>
public void UpdateDataContext(PlayerViewModel dataContext)
{
if(!Initialized || dataContext == null)
return;
dataContext.HiddenTrack = _opticalDisc.TimeOffset > 150;
dataContext.ApplyDeEmphasis = _soundOutput.ApplyDeEmphasis;
if(_opticalDisc is CompactDisc compactDisc)
{
dataContext.QuadChannel = compactDisc.QuadChannel;
dataContext.IsDataTrack = compactDisc.IsDataTrack;
dataContext.CopyAllowed = compactDisc.CopyAllowed;
dataContext.TrackHasEmphasis = compactDisc.TrackHasEmphasis;
}
else
{
dataContext.QuadChannel = false;
dataContext.IsDataTrack = _opticalDisc.TrackType != TrackType.Audio;
dataContext.CopyAllowed = false;
dataContext.TrackHasEmphasis = false;
}
}
#endregion
}
}

2
RedBookPlayer/PlayerSource.cs → RedBookPlayer/Hardware/PlayerSource.cs
View File

@@ -2,7 +2,7 @@ using System;
using CSCore;
using WaveFormat = CSCore.WaveFormat;
namespace RedBookPlayer
namespace RedBookPlayer.Hardware
{
public class PlayerSource : IWaveSource
{

131
RedBookPlayer/Player.cs → RedBookPlayer/Hardware/SoundOutput.cs
View File

@@ -4,20 +4,26 @@ using System.Threading.Tasks;
using CSCore.SoundOut;
using NWaves.Audio;
using NWaves.Filters.BiQuad;
using RedBookPlayer.Discs;
namespace RedBookPlayer
namespace RedBookPlayer.Hardware
{
public class Player
public class SoundOutput
{
#region Public Fields
/// <summary>
/// Indicate if the player is ready to be used
/// Indicate if the output is ready to be used
/// </summary>
public bool Initialized { get; private set; } = false;
/// <summary>
/// Indicate if the disc is playing
/// 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;
@@ -31,9 +37,12 @@ namespace RedBookPlayer
private int _currentSectorReadPosition = 0;
/// <summary>
/// PlaybableDisc object
/// OpticalDisc from the parent player for easy access
/// </summary>
private PlayableDisc _playableDisc;
/// <remarks>
/// TODO: Can we remove the need for a local reference to OpticalDisc?
/// </remarks>
private OpticalDisc _opticalDisc;
/// <summary>
/// Data provider for sound output
@@ -63,20 +72,24 @@ namespace RedBookPlayer
#endregion
/// <summary>
/// Initialize the player with a given image
/// Initialize the output with a given image
/// </summary>
/// <param name="disc">Initialized disc image</param>
/// <param name="opticalDisc">OpticalDisc to load from</param>
/// <param name="autoPlay">True if playback should begin immediately, false otherwise</param>
public void Init(PlayableDisc disc, bool autoPlay = false)
public void Init(OpticalDisc opticalDisc, bool autoPlay = false)
{
// If the disc is not initalized, we can't do anything
if(!disc.Initialized)
// If we have an unusable disc, just return
if(opticalDisc == null || !opticalDisc.Initialized)
return;
// Set the internal reference to the disc
_playableDisc = disc;
// Save a reference to the disc
_opticalDisc = opticalDisc;
// Setup the de-emphasis filters
// Enable de-emphasis for CDs, if necessary
if(opticalDisc is CompactDisc compactDisc)
ApplyDeEmphasis = compactDisc.TrackHasEmphasis;
// Setup de-emphasis filters
SetupFilters();
// Setup the audio output
@@ -86,7 +99,7 @@ namespace RedBookPlayer
if(autoPlay)
_soundOut.Play();
// Mark the player as ready
// Mark the output as ready
Initialized = true;
// Begin loading data
@@ -111,27 +124,29 @@ namespace RedBookPlayer
do
{
// Attempt to read 2 more sectors than requested
sectorsToRead = ((ulong)count / 2352) + 2;
sectorsToRead = ((ulong)count / (ulong)_opticalDisc.BytesPerSector) + 2;
zeroSectorsAmount = 0;
// Avoid overreads by padding with 0-byte data at the end
if(_playableDisc.CurrentSector + sectorsToRead > _playableDisc.TotalSectors)
if(_opticalDisc.CurrentSector + sectorsToRead > _opticalDisc.TotalSectors)
{
ulong oldSectorsToRead = sectorsToRead;
sectorsToRead = _playableDisc.TotalSectors - _playableDisc.CurrentSector;
zeroSectorsAmount = oldSectorsToRead - sectorsToRead;
sectorsToRead = _opticalDisc.TotalSectors - _opticalDisc.CurrentSector;
int tempZeroSectorCount = (int)(oldSectorsToRead - sectorsToRead);
zeroSectorsAmount = (ulong)(tempZeroSectorCount < 0 ? 0 : tempZeroSectorCount);
}
// TODO: Figure out when this value could be negative
if(sectorsToRead <= 0)
{
_playableDisc.LoadFirstTrack();
_opticalDisc.LoadFirstTrack();
_currentSectorReadPosition = 0;
}
} while(sectorsToRead <= 0);
// Create padding data for overreads
byte[] zeroSectors = new byte[zeroSectorsAmount * 2352];
byte[] zeroSectors = new byte[(int)zeroSectorsAmount * _opticalDisc.BytesPerSector];
byte[] audioData;
// Attempt to read the required number of sectors
@@ -139,15 +154,19 @@ namespace RedBookPlayer
{
lock(_readingImage)
{
try
for(int i = 0; i < 4; i++)
{
return _playableDisc.ReadSectors((uint)sectorsToRead).Concat(zeroSectors).ToArray();
}
catch(ArgumentOutOfRangeException)
{
_playableDisc.LoadFirstTrack();
return _playableDisc.ReadSectors((uint)sectorsToRead).Concat(zeroSectors).ToArray();
try
{
return _opticalDisc.ReadSectors((uint)sectorsToRead).Concat(zeroSectors).ToArray();
}
catch(ArgumentOutOfRangeException)
{
_opticalDisc.LoadFirstTrack();
}
}
return zeroSectors;
}
});
@@ -164,10 +183,17 @@ namespace RedBookPlayer
// Load only the requested audio segment
byte[] audioDataSegment = new byte[count];
Array.Copy(audioData, _currentSectorReadPosition, audioDataSegment, 0, Math.Min(count, audioData.Length - _currentSectorReadPosition));
int copyAmount = Math.Min(count, audioData.Length - _currentSectorReadPosition);
if(Math.Max(0, copyAmount) == 0)
{
Array.Clear(buffer, offset, count);
return count;
}
Array.Copy(audioData, _currentSectorReadPosition, audioDataSegment, 0, copyAmount);
// Apply de-emphasis filtering, only if enabled
if(_playableDisc.ApplyDeEmphasis)
if(ApplyDeEmphasis)
{
float[][] floatAudioData = new float[2][];
floatAudioData[0] = new float[audioDataSegment.Length / 4];
@@ -188,10 +214,10 @@ namespace RedBookPlayer
// Set the read position in the sector for easier access
_currentSectorReadPosition += count;
if(_currentSectorReadPosition >= 2352)
if(_currentSectorReadPosition >= _opticalDisc.BytesPerSector)
{
_playableDisc.CurrentSector += (ulong)_currentSectorReadPosition / 2352;
_currentSectorReadPosition %= 2352;
_opticalDisc.CurrentSector += (ulong)(_currentSectorReadPosition / _opticalDisc.BytesPerSector);
_currentSectorReadPosition %= _opticalDisc.BytesPerSector;
}
return count;
@@ -202,42 +228,23 @@ namespace RedBookPlayer
/// <summary>
/// Start audio playback
/// </summary>
public void Play()
{
if(!_playableDisc.Initialized)
return;
_soundOut.Play();
_playableDisc.SetTotalIndexes();
}
public void Play() => _soundOut.Play();
/// <summary>
/// Pause the current audio playback
/// Stop audio playback
/// </summary>
public void Pause()
{
if(!_playableDisc.Initialized)
return;
_soundOut.Stop();
}
/// <summary>
/// Stop the current audio playback
/// </summary>
public void Stop()
{
if(!_playableDisc.Initialized)
return;
_soundOut.Stop();
_playableDisc.LoadFirstTrack();
}
public void Stop() => _soundOut.Stop();
#endregion
#region Helpers
/// <summary>
/// Toggle de-emphasis processing
/// </summary>
/// <param name="enable">True to apply de-emphasis, false otherwise</param>
public void ToggleDeEmphasis(bool enable) => ApplyDeEmphasis = enable;
/// <summary>
/// Sets or resets the de-emphasis filters
/// </summary>
@@ -274,4 +281,4 @@ namespace RedBookPlayer
#endregion
}
}
}

116
RedBookPlayer/HiResTimer.cs
View File

@@ -1,116 +0,0 @@
using System;
using System.Diagnostics;
using System.Threading;
namespace RedBookPlayer
{
/// <summary>
/// Recurring timer wrapper with a high degree of accuracy
/// </summary>
public class HiResTimer
{
static readonly float tickFrequency = 1000f / Stopwatch.Frequency;
volatile float _interval;
volatile bool _isRunning;
public HiResTimer() : this(1f) {}
public HiResTimer(float interval)
{
if(interval < 0f ||
float.IsNaN(interval))
throw new ArgumentOutOfRangeException(nameof(interval));
_interval = interval;
}
public float Interval
{
get => _interval;
set
{
if(value < 0f ||
float.IsNaN(value))
throw new ArgumentOutOfRangeException(nameof(value));
_interval = value;
}
}
public bool Enabled
{
get => _isRunning;
set
{
if(value)
Start();
else
Stop();
}
}
public event EventHandler<HiResTimerElapsedEventArgs> Elapsed;
public void Start()
{
if(_isRunning)
return;
_isRunning = true;
var thread = new Thread(ExecuteTimer);
thread.Priority = ThreadPriority.Highest;
thread.Start();
}
public void Stop() => _isRunning = false;
void ExecuteTimer()
{
float nextTrigger = 0f;
var stopwatch = new Stopwatch();
stopwatch.Start();
while(_isRunning)
{
nextTrigger += _interval;
float elapsed;
while(true)
{
elapsed = ElapsedHiRes(stopwatch);
float diff = nextTrigger - elapsed;
if(diff <= 0f)
break;
if(diff < 1f)
Thread.SpinWait(10);
else if(diff < 5f)
Thread.SpinWait(100);
else if(diff < 15f)
Thread.Sleep(1);
else
Thread.Sleep(10);
if(!_isRunning)
return;
}
float delay = elapsed - nextTrigger;
Elapsed?.Invoke(this, new HiResTimerElapsedEventArgs(delay));
if(!(stopwatch.Elapsed.TotalHours >= 1d))
continue;
stopwatch.Restart();
nextTrigger = 0f;
}
stopwatch.Stop();
}
static float ElapsedHiRes(Stopwatch stopwatch) => stopwatch.ElapsedTicks * tickFrequency;
}
}

11
RedBookPlayer/HiResTimerElapsedEventArgs.cs
View File

@@ -1,11 +0,0 @@
using System;
namespace RedBookPlayer
{
public class HiResTimerElapsedEventArgs : EventArgs
{
internal HiResTimerElapsedEventArgs(float delay) => Delay = delay;
public float Delay { get; }
}
}

699
RedBookPlayer/PlayableDisc.cs
View File

@@ -1,699 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using Aaru.CommonTypes.Structs;
using Aaru.Decoders.CD;
using Aaru.Helpers;
using static Aaru.Decoders.CD.FullTOC;
namespace RedBookPlayer
{
public class PlayableDisc
{
#region Public Fields
/// <summary>
/// Indicate if the disc is ready to be used
/// </summary>
public bool Initialized { get; private set; } = false;
/// <summary>
/// Current track number
/// </summary>
public int CurrentTrackNumber
{
get => _currentTrackNumber;
set
{
// Unset image means we can't do anything
if(_image == null)
return;
// Cache the value and the current track number
int cachedValue = value;
int cachedTrackNumber = _currentTrackNumber;
// Check if we're incrementing or decrementing the track
bool increment = cachedValue >= _currentTrackNumber;
do
{
// Ensure that the value is valid, wrapping around if necessary
if(cachedValue >= _image.Tracks.Count)
cachedValue = 0;
else if(cachedValue < 0)
cachedValue = _image.Tracks.Count - 1;
_currentTrackNumber = cachedValue;
// Cache the current track for easy access
Track track = _image.Tracks[_currentTrackNumber];
// Set track flags from subchannel data, if possible
SetTrackFlags(track);
ApplyDeEmphasis = TrackHasEmphasis;
TotalIndexes = track.Indexes.Keys.Max();
CurrentTrackIndex = track.Indexes.Keys.Min();
// If the track is playable, just return
if(TrackType == TrackType.Audio || App.Settings.PlayDataTracks)
return;
// If we're not playing the track, skip
if(increment)
cachedValue++;
else
cachedValue--;
}
while(cachedValue != cachedTrackNumber);
}
}
/// <summary>
/// Current track index
/// </summary>
public ushort CurrentTrackIndex
{
get => _currentTrackIndex;
set
{
// Unset image means we can't do anything
if(_image == null)
return;
// Cache the current track for easy access
Track track = _image.Tracks[CurrentTrackNumber];
// Ensure that the value is valid, wrapping around if necessary
if(value > track.Indexes.Keys.Max())
_currentTrackIndex = 0;
else if(value < 0)
_currentTrackIndex = track.Indexes.Keys.Max();
else
_currentTrackIndex = value;
// Set new index-specific data
SectionStartSector = (ulong)track.Indexes[CurrentTrackIndex];
TotalTime = track.TrackEndSector - track.TrackStartSector;
}
}
/// <summary>
/// Current sector number
/// </summary>
public ulong CurrentSector
{
get => _currentSector;
set
{
// Unset image means we can't do anything
if(_image == null)
return;
// Cache the current track for easy access
Track track = _image.Tracks[CurrentTrackNumber];
_currentSector = value;
if((CurrentTrackNumber < _image.Tracks.Count - 1 && CurrentSector >= _image.Tracks[CurrentTrackNumber + 1].TrackStartSector)
|| (CurrentTrackNumber > 0 && CurrentSector < track.TrackStartSector))
{
foreach(Track trackData in _image.Tracks.ToArray().Reverse())
{
if(CurrentSector >= trackData.TrackStartSector)
{
CurrentTrackNumber = (int)trackData.TrackSequence - 1;
break;
}
}
}
foreach((ushort key, int i) in track.Indexes.Reverse())
{
if((int)CurrentSector >= i)
{
CurrentTrackIndex = key;
return;
}
}
CurrentTrackIndex = 0;
}
}
/// <summary>
/// Represents the PRE flag
/// </summary>
public bool TrackHasEmphasis { get; private set; } = false;
/// <summary>
/// Indicates if de-emphasis should be applied
/// </summary>
public bool ApplyDeEmphasis { get; private set; } = false;
/// <summary>
/// Represents the DCP flag
/// </summary>
public bool CopyAllowed { get; private set; } = false;
/// <summary>
/// Represents the track type
/// </summary>
public TrackType TrackType { get; private set; }
/// <summary>
/// Represents the 4CH flag
/// </summary>
public bool QuadChannel { get; private set; } = false;
/// <summary>
/// Represents the sector starting the section
/// </summary>
public ulong SectionStartSector { get; private set; }
/// <summary>
/// Represents the total tracks on the disc
/// </summary>
public int TotalTracks { get; private set; } = 0;
/// <summary>
/// Represents the total indices on the disc
/// </summary>
public int TotalIndexes { get; private set; } = 0;
/// <summary>
/// Total sectors in the image
/// </summary>
public ulong TotalSectors => _image.Info.Sectors;
/// <summary>
/// Represents the time adjustment offset for the disc
/// </summary>
public ulong TimeOffset { get; private set; } = 0;
/// <summary>
/// Represents the total playing time for the disc
/// </summary>
public ulong TotalTime { get; private set; } = 0;
#endregion
#region Private State Variables
/// <summary>
/// Currently loaded disc image
/// </summary>
private IOpticalMediaImage _image;
/// <summary>
/// Current track number
/// </summary>
private int _currentTrackNumber = 0;
/// <summary>
/// Current track index
/// </summary>
private ushort _currentTrackIndex = 0;
/// <summary>
/// Current sector number
/// </summary>
private ulong _currentSector = 0;
/// <summary>
/// Current disc table of contents
/// </summary>
private CDFullTOC _toc;
#endregion
/// <summary>
/// Initialize the disc with a given image
/// </summary>
/// <param name="image">Aaruformat image to load</param>
/// <param name="autoPlay">True if playback should begin immediately, false otherwise</param>
public void Init(IOpticalMediaImage image, bool autoPlay = false)
{
// If the image is null, we can't do anything
if(image == null)
return;
// Set the current disc image
_image = image;
// Attempt to load the TOC
if(!LoadTOC())
return;
// Load the first track
LoadFirstTrack();
// Reset total indexes if not in autoplay
if(!autoPlay)
TotalIndexes = 0;
// Set the internal disc state
TotalTracks = _image.Tracks.Count;
TrackDataDescriptor firstTrack = _toc.TrackDescriptors.First(d => d.ADR == 1 && d.POINT == 1);
TimeOffset = (ulong)((firstTrack.PMIN * 60 * 75) + (firstTrack.PSEC * 75) + firstTrack.PFRAME);
TotalTime = TimeOffset + _image.Tracks.Last().TrackEndSector;
// Mark the disc as ready
Initialized = true;
}
#region Seeking
/// <summary>
/// Try to move to the next track, wrapping around if necessary
/// </summary>
public void NextTrack()
{
if(_image == null)
return;
CurrentTrackNumber++;
LoadTrack(CurrentTrackNumber);
}
/// <summary>
/// Try to move to the previous track, wrapping around if necessary
/// </summary>
public void PreviousTrack()
{
if(_image == null)
return;
if(CurrentSector < (ulong)_image.Tracks[CurrentTrackNumber].Indexes[1] + 75)
{
if(App.Settings.AllowSkipHiddenTrack && CurrentTrackNumber == 0 && CurrentSector >= 75)
CurrentSector = 0;
else
CurrentTrackNumber--;
}
else
CurrentTrackNumber--;
LoadTrack(CurrentTrackNumber);
}
/// <summary>
/// Try to move to the next track index
/// </summary>
/// <param name="changeTrack">True if index changes can trigger a track change, false otherwise</param>
/// <returns>True if the track was changed, false otherwise</returns>
public bool NextIndex(bool changeTrack)
{
if(_image == null)
return false;
if(CurrentTrackIndex + 1 > _image.Tracks[CurrentTrackNumber].Indexes.Keys.Max())
{
if(changeTrack)
{
NextTrack();
CurrentSector = (ulong)_image.Tracks[CurrentTrackNumber].Indexes.Values.Min();
return true;
}
}
else
{
CurrentSector = (ulong)_image.Tracks[CurrentTrackNumber].Indexes[++CurrentTrackIndex];
}
return false;
}
/// <summary>
/// Try to move to the previous track index
/// </summary>
/// <param name="changeTrack">True if index changes can trigger a track change, false otherwise</param>
/// <returns>True if the track was changed, false otherwise</returns>
public bool PreviousIndex(bool changeTrack)
{
if(_image == null)
return false;
if(CurrentTrackIndex - 1 < _image.Tracks[CurrentTrackNumber].Indexes.Keys.Min())
{
if(changeTrack)
{
PreviousTrack();
CurrentSector = (ulong)_image.Tracks[CurrentTrackNumber].Indexes.Values.Max();
return true;
}
}
else
{
CurrentSector = (ulong)_image.Tracks[CurrentTrackNumber].Indexes[--CurrentTrackIndex];
}
return false;
}
/// <summary>
/// Fast-forward playback by 75 sectors, if possible
/// </summary>
public void FastForward()
{
if(_image == null)
return;
CurrentSector = Math.Min(_image.Info.Sectors - 1, CurrentSector + 75);
}
/// <summary>
/// Rewind playback by 75 sectors, if possible
/// </summary>
public void Rewind()
{
if(_image == null)
return;
if(CurrentSector >= 75)
CurrentSector -= 75;
}
/// <summary>
/// Toggle de-emphasis processing
/// </summary>
/// <param name="enable">True to apply de-emphasis, false otherwise</param>
public void ToggleDeEmphasis(bool enable) => ApplyDeEmphasis = enable;
#endregion
#region Helpers
/// <summary>
/// Load the first valid track in the image
/// </summary>
public void LoadFirstTrack()
{
CurrentTrackNumber = 0;
LoadTrack(CurrentTrackNumber);
}
/// <summary>
/// Read sector data from the base image starting from the current sector
/// </summary>
/// <param name="sectorsToRead">Current number of sectors to read</param>
/// <returns>Byte array representing the read sectors, if possible</returns>
public byte[] ReadSectors(uint sectorsToRead) => _image.ReadSectors(CurrentSector, sectorsToRead);
/// <summary>
/// Set the total indexes from the current track
/// </summary>
public void SetTotalIndexes()
{
if(_image == null)
return;
TotalIndexes = _image.Tracks[CurrentTrackNumber].Indexes.Keys.Max();
}
/// <summary>
/// Generate a CDFullTOC object from the current image
/// </summary>
/// <returns>CDFullTOC object, if possible</returns>
/// <remarks>Copied from <see cref="Aaru.DiscImages.CloneCd"/></remarks>
private bool GenerateTOC()
{
// Invalid image means we can't generate anything
if(_image == null)
return false;
_toc = new CDFullTOC();
Dictionary<byte, byte> _trackFlags = new Dictionary<byte, byte>();
Dictionary<byte, byte> sessionEndingTrack = new Dictionary<byte, byte>();
_toc.FirstCompleteSession = byte.MaxValue;
_toc.LastCompleteSession = byte.MinValue;
List<TrackDataDescriptor> trackDescriptors = new List<TrackDataDescriptor>();
byte currentTrack = 0;
foreach(Track track in _image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
{
byte[] trackFlags = _image.ReadSectorTag(track.TrackStartSector + 1, SectorTagType.CdTrackFlags);
if(trackFlags != null)
_trackFlags.Add((byte)track.TrackStartSector, trackFlags[0]);
}
foreach(Track track in _image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
{
if(track.TrackSession < _toc.FirstCompleteSession)
_toc.FirstCompleteSession = (byte)track.TrackSession;
if(track.TrackSession <= _toc.LastCompleteSession)
{
currentTrack = (byte)track.TrackSequence;
continue;
}
if(_toc.LastCompleteSession > 0)
sessionEndingTrack.Add(_toc.LastCompleteSession, currentTrack);
_toc.LastCompleteSession = (byte)track.TrackSession;
}
byte currentSession = 0;
foreach(Track track in _image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
{
_trackFlags.TryGetValue((byte)track.TrackSequence, out byte trackControl);
if(trackControl == 0 &&
track.TrackType != Aaru.CommonTypes.Enums.TrackType.Audio)
trackControl = (byte)CdFlags.DataTrack;
// Lead-Out
if(track.TrackSession > currentSession &&
currentSession != 0)
{
(byte minute, byte second, byte frame) leadoutAmsf = LbaToMsf(track.TrackStartSector - 150);
(byte minute, byte second, byte frame) leadoutPmsf =
LbaToMsf(_image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence).Last().
TrackStartSector);
// Lead-out
trackDescriptors.Add(new TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xB0,
ADR = 5,
CONTROL = 0,
HOUR = 0,
Min = leadoutAmsf.minute,
Sec = leadoutAmsf.second,
Frame = leadoutAmsf.frame,
PHOUR = 2,
PMIN = leadoutPmsf.minute,
PSEC = leadoutPmsf.second,
PFRAME = leadoutPmsf.frame
});
// This seems to be constant? It should not exist on CD-ROM but CloneCD creates them anyway
// Format seems like ATIP, but ATIP should not be as 0xC0 in TOC...
//trackDescriptors.Add(new TrackDataDescriptor
//{
// SessionNumber = currentSession,
// POINT = 0xC0,
// ADR = 5,
// CONTROL = 0,
// Min = 128,
// PMIN = 97,
// PSEC = 25
//});
}
// Lead-in
if(track.TrackSession > currentSession)
{
currentSession = (byte)track.TrackSession;
sessionEndingTrack.TryGetValue(currentSession, out byte endingTrackNumber);
(byte minute, byte second, byte frame) leadinPmsf =
LbaToMsf(_image.Tracks.FirstOrDefault(t => t.TrackSequence == endingTrackNumber)?.TrackEndSector ??
0 + 1);
// Starting track
trackDescriptors.Add(new TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xA0,
ADR = 1,
CONTROL = trackControl,
PMIN = (byte)track.TrackSequence
});
// Ending track
trackDescriptors.Add(new TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xA1,
ADR = 1,
CONTROL = trackControl,
PMIN = endingTrackNumber
});
// Lead-out start
trackDescriptors.Add(new TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xA2,
ADR = 1,
CONTROL = trackControl,
PHOUR = 0,
PMIN = leadinPmsf.minute,
PSEC = leadinPmsf.second,
PFRAME = leadinPmsf.frame
});
}
(byte minute, byte second, byte frame) pmsf = LbaToMsf(track.TrackStartSector);
// Track
trackDescriptors.Add(new TrackDataDescriptor
{
SessionNumber = (byte)track.TrackSession,
POINT = (byte)track.TrackSequence,
ADR = 1,
CONTROL = trackControl,
PHOUR = 0,
PMIN = pmsf.minute,
PSEC = pmsf.second,
PFRAME = pmsf.frame
});
}
_toc.TrackDescriptors = trackDescriptors.ToArray();
return true;
}
/// <summary>
/// Convert the sector to LBA values
/// </summary>
/// <param name="sector">Sector to convert</param>
/// <returns>LBA values for the sector number</returns>
/// <remarks>Copied from <see cref="Aaru.DiscImages.CloneCd"/></remarks>
private (byte minute, byte second, byte frame) LbaToMsf(ulong sector) =>
((byte)((sector + 150) / 75 / 60), (byte)((sector + 150) / 75 % 60), (byte)((sector + 150) % 75));
/// <summary>
/// Load TOC for the current disc image
/// </summary>
/// <returns>True if the TOC could be loaded, false otherwise</returns>
private bool LoadTOC()
{
if(_image.Info.ReadableMediaTags?.Contains(MediaTagType.CD_FullTOC) != true)
{
// Only generate the TOC if we have it set
if(!App.Settings.GenerateMissingTOC)
{
Console.WriteLine("Full TOC not found");
return false;
}
Console.WriteLine("Attempting to generate TOC");
if(GenerateTOC())
{
Console.WriteLine(Prettify(_toc));
return true;
}
else
{
Console.WriteLine("Full TOC not found or generated");
return false;
}
}
byte[] tocBytes = _image.ReadDiskTag(MediaTagType.CD_FullTOC);
if(tocBytes == null || tocBytes.Length == 0)
{
Console.WriteLine("Error reading TOC from disc image");
return false;
}
if(Swapping.Swap(BitConverter.ToUInt16(tocBytes, 0)) + 2 != tocBytes.Length)
{
byte[] tmp = new byte[tocBytes.Length + 2];
Array.Copy(tocBytes, 0, tmp, 2, tocBytes.Length);
tmp[0] = (byte)((tocBytes.Length & 0xFF00) >> 8);
tmp[1] = (byte)(tocBytes.Length & 0xFF);
tocBytes = tmp;
}
var nullableToc = Decode(tocBytes);
if(nullableToc == null)
{
Console.WriteLine("Error decoding TOC");
return false;
}
_toc = nullableToc.Value;
Console.WriteLine(Prettify(_toc));
return true;
}
/// <summary>
/// Load the desired track, if possible
/// </summary>
/// <param name="track">Track number to load</param>
private void LoadTrack(int track)
{
if(_image == null)
return;
if(track < 0 || track >= _image.Tracks.Count)
return;
ushort firstIndex = _image.Tracks[track].Indexes.Keys.Min();
int firstSector = _image.Tracks[track].Indexes[firstIndex];
CurrentSector = (ulong)(firstSector >= 0 ? firstSector : _image.Tracks[track].Indexes[1]);
}
/// <summary>
/// Set default track flags for the current track
/// </summary>
/// <param name="track">Track object to read from</param>
private void SetDefaultTrackFlags(Track track)
{
QuadChannel = false;
TrackType = track.TrackType;
CopyAllowed = false;
TrackHasEmphasis = false;
}
/// <summary>
/// Set track flags from the current track
/// </summary>
/// <param name="track">Track object to read from</param>
private void SetTrackFlags(Track track)
{
try
{
// Get the track descriptor from the TOC
TrackDataDescriptor descriptor = _toc.TrackDescriptors.First(d => d.POINT == track.TrackSequence);
// Set the track flags from TOC data
byte flags = (byte)(descriptor.CONTROL & 0x0D);
TrackHasEmphasis = (flags & (byte)TocControl.TwoChanPreEmph) == (byte)TocControl.TwoChanPreEmph;
CopyAllowed = (flags & (byte)TocControl.CopyPermissionMask) == (byte)TocControl.CopyPermissionMask;
TrackType = (flags & (byte)TocControl.DataTrack) == (byte)TocControl.DataTrack ? TrackType.Data : TrackType.Audio;
QuadChannel = (flags & (byte)TocControl.FourChanNoPreEmph) == (byte)TocControl.FourChanNoPreEmph;
return;
}
catch(Exception)
{
SetDefaultTrackFlags(track);
}
}
#endregion
}
}

12
RedBookPlayer/Program.cs
View File

@@ -1,4 +1,5 @@
#if Windows
using System;
#if WindowsDebug
using System.Runtime.InteropServices;
#endif
using Avalonia;
@@ -8,19 +9,20 @@ namespace RedBookPlayer
{
internal class Program
{
[STAThread]
public static void Main(string[] args)
{
#if Windows
#if WindowsDebug
AllocConsole();
#endif
#endif
BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
}
#if Windows
#if WindowsDebug
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool AllocConsole();
#endif
#endif
public static AppBuilder BuildAvaloniaApp() => AppBuilder.Configure<App>().UsePlatformDetect().LogToDebug();
}

10
RedBookPlayer/RedBookPlayer.csproj
View File

@@ -1,17 +1,13 @@
<Project Sdk="Microsoft.NET.Sdk">
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>netcoreapp3.1</TargetFramework>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<RuntimeIdentifiers>win-x64;linux-x64</RuntimeIdentifiers>
<RuntimeIdentifier>linux-x64</RuntimeIdentifier>
<DebugType>embedded</DebugType>
<PublishSingleFile>true</PublishSingleFile>
<SelfContained>true</SelfContained>
<PublishTrimmed>true</PublishTrimmed>
</PropertyGroup>
<PropertyGroup Condition="'$(RuntimeIdentifier)' == 'win-x64'">
<DefineConstants>Windows</DefineConstants>
<PropertyGroup Condition="'$(RuntimeIdentifier)|$(Configuration)' == 'win-x64|Debug'">
<DefineConstants>WindowsDebug</DefineConstants>
</PropertyGroup>
<ItemGroup>
<Compile Update="**\*.xaml.cs">

1
RedBookPlayer/Settings.cs
View File

@@ -1,6 +1,7 @@
using System;
using System.IO;
using System.Text.Json;
using RedBookPlayer.GUI;
namespace RedBookPlayer
{

2
build.bat Normal file
View File

@@ -0,0 +1,2 @@
dotnet publish -f netcoreapp3.1 -r win-x64 -c Debug -p:PublishSingleFile=true -p:PublishTrimmed=true --self-contained true
dotnet publish -f netcoreapp3.1 -r win-x64 -c Release -p:PublishSingleFile=true -p:PublishTrimmed=true --self-contained true

3
build.sh Normal file
View File

@@ -0,0 +1,3 @@
#!/usr/bin/env bash
dotnet publish -f netcoreapp3.1 -r linux-x64 -c Debug -p:PublishSingleFile=true -p:PublishTrimmed=true --self-contained true
dotnet publish -f netcoreapp3.1 -r linux-x64 -c Release -p:PublishSingleFile=true -p:PublishTrimmed=true --self-contained true