From cc993e05efef9fb1a797d686a18161fb906676d4 Mon Sep 17 00:00:00 2001
From: b5f0d6c3 <a@b.c>
Date: Fri, 22 Oct 2021 14:45:22 +0800
Subject: add mkvtool-gui

---
 mkvtool-gui/App.axaml                |  11 +
 mkvtool-gui/App.axaml.cs             |  35 +++
 mkvtool-gui/CustomFontManagerImpl.cs |  73 ++++++
 mkvtool-gui/MainWindow.axaml         | 218 ++++++++++++++++++
 mkvtool-gui/MainWindow.axaml.cs      | 428 +++++++++++++++++++++++++++++++++++
 mkvtool-gui/Program.cs               |  23 ++
 mkvtool-gui/mkvtool.csproj           |  28 +++
 mkvtool-gui/sdk.cs                   | 135 +++++++++++
 8 files changed, 951 insertions(+)
 create mode 100644 mkvtool-gui/App.axaml
 create mode 100644 mkvtool-gui/App.axaml.cs
 create mode 100644 mkvtool-gui/CustomFontManagerImpl.cs
 create mode 100644 mkvtool-gui/MainWindow.axaml
 create mode 100644 mkvtool-gui/MainWindow.axaml.cs
 create mode 100644 mkvtool-gui/Program.cs
 create mode 100644 mkvtool-gui/mkvtool.csproj
 create mode 100644 mkvtool-gui/sdk.cs

diff --git a/mkvtool-gui/App.axaml b/mkvtool-gui/App.axaml
new file mode 100644
index 0000000..9871dd1
--- /dev/null
+++ b/mkvtool-gui/App.axaml
@@ -0,0 +1,11 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="mkvtool.App">
+    <Application.Styles>
+        <FluentTheme Mode="Light" />
+    </Application.Styles>
+    <Application.Styles>
+        <StyleInclude Source="avares://Avalonia.Themes.Default/Accents/BaseLight.xaml" />
+        <StyleInclude Source="avares://Avalonia.Controlz/Styles/Generic.axaml" />
+    </Application.Styles>
+</Application>
\ No newline at end of file
diff --git a/mkvtool-gui/App.axaml.cs b/mkvtool-gui/App.axaml.cs
new file mode 100644
index 0000000..44e12cf
--- /dev/null
+++ b/mkvtool-gui/App.axaml.cs
@@ -0,0 +1,35 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using Avalonia.Platform;
+
+namespace mkvtool
+{
+    public class App : Application
+    {
+        public override void Initialize()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new MainWindow();
+            }
+
+            base.OnFrameworkInitializationCompleted();
+        }
+        
+        /// <summary>
+        /// override RegisterServices register custom service
+        /// </summary>
+        public override void RegisterServices()
+        {
+            AvaloniaLocator.CurrentMutable.Bind<IFontManagerImpl>().ToConstant(new CustomFontManagerImpl());
+            base.RegisterServices();
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/mkvtool-gui/CustomFontManagerImpl.cs b/mkvtool-gui/CustomFontManagerImpl.cs
new file mode 100644
index 0000000..c47fedb
--- /dev/null
+++ b/mkvtool-gui/CustomFontManagerImpl.cs
@@ -0,0 +1,73 @@
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using Avalonia.Media;
+using Avalonia.Platform;
+using Avalonia.Skia;
+using SkiaSharp;
+
+namespace mkvtool
+{
+    public class CustomFontManagerImpl : IFontManagerImpl
+    {
+        private readonly Typeface[] _customTypefaces;
+        private readonly string _defaultFamilyName;
+
+        private readonly Typeface _defaultTypeface =
+            new Typeface("Microsoft Yahei");
+
+        public CustomFontManagerImpl()
+        {
+            _customTypefaces = new[] {_defaultTypeface};
+            _defaultFamilyName = _defaultTypeface.FontFamily.FamilyNames.PrimaryFamilyName;
+        }
+
+        public string GetDefaultFontFamilyName()
+        {
+            return _defaultFamilyName;
+        }
+
+        public IEnumerable<string> GetInstalledFontFamilyNames(bool checkForUpdates = false)
+        {
+            return _customTypefaces.Select(x => x.FontFamily.Name);
+        }
+
+        private readonly string[] _bcp47 =
+        {
+            CultureInfo.CurrentCulture.ThreeLetterISOLanguageName, CultureInfo.CurrentCulture.TwoLetterISOLanguageName
+        };
+
+        public bool TryMatchCharacter(int codepoint, FontStyle fontStyle, FontWeight fontWeight, FontFamily fontFamily,
+            CultureInfo culture, out Typeface typeface)
+        {
+            foreach (var customTypeface in _customTypefaces)
+            {
+                if (customTypeface.GlyphTypeface.GetGlyph((uint) codepoint) == 0)
+                {
+                    continue;
+                }
+
+                typeface = new Typeface(customTypeface.FontFamily.Name, fontStyle, fontWeight);
+
+                return true;
+            }
+
+            var fallback = SKFontManager.Default.MatchCharacter(fontFamily?.Name, (SKFontStyleWeight) fontWeight,
+                SKFontStyleWidth.Normal, (SKFontStyleSlant) fontStyle, _bcp47, codepoint);
+
+            typeface = new Typeface(fallback?.FamilyName ?? _defaultFamilyName, fontStyle, fontWeight);
+
+            return true;
+        }
+
+        public IGlyphTypefaceImpl CreateGlyphTypeface(Typeface typeface)
+        {
+            SKTypeface skTypeface;
+            skTypeface = SKTypeface.FromFamilyName(_defaultTypeface.FontFamily.Name,
+                (SKFontStyleWeight) typeface.Weight, SKFontStyleWidth.Normal, (SKFontStyleSlant) typeface.Style);
+
+
+            return new GlyphTypefaceImpl(skTypeface);
+        }
+    }
+}
\ No newline at end of file
diff --git a/mkvtool-gui/MainWindow.axaml b/mkvtool-gui/MainWindow.axaml
new file mode 100644
index 0000000..014010e
--- /dev/null
+++ b/mkvtool-gui/MainWindow.axaml
@@ -0,0 +1,218 @@
+<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="600"
+        d:DesignHeight="600"
+        Width="850"
+        Height="650"
+        x:Class="mkvtool.MainWindow"
+        WindowStartupLocation="CenterScreen"
+        xmlns:Controls="clr-namespace:Avalonia.Controlz.Controls;assembly=Avalonia.Controlz"
+        Title="MKV Tool" Opened="TopLevel_OnOpened">
+    <DockPanel>
+        <TabControl DockPanel.Dock="Left">
+            <TabItem Header="Subset">
+                <StackPanel>
+                    <Controls:GroupBox Header="Check subsetted" Margin="10">
+                        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
+                            <Button Content="File..." Click="CheckFileBtn_OnClick" Margin="5" />
+                            <Button Content="Folder..." Click="CheckFolderBtn_OnClick" Margin="5" />
+                        </StackPanel>
+                    </Controls:GroupBox>
+                    <Controls:GroupBox Header="Do subset" Margin="10">
+                        <StackPanel Margin="5" HorizontalAlignment="Center">
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="ASS subtitles:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="sa1" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="asses" Click="SubsetSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <StackPanel Orientation="Horizontal">
+                                        <TextBlock Text="Fonts:" />
+                                        <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                      VerticalScrollBarVisibility="Auto">
+                                            <TextBlock Name="sa2" />
+                                        </ScrollViewer>
+                                    </StackPanel>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="fonts" Click="SubsetSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Output folder:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="sa3" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="output" Click="SubsetSelectBtns_OnClick" />
+                            </StackPanel>
+                            <CheckBox Content="Output in sub folder" IsChecked="True" Name="sa4" />
+                            <Button Margin="10" Content="Go" Click="DoSubsetBtn_OnClick" />
+                        </StackPanel>
+                    </Controls:GroupBox>
+                </StackPanel>
+            </TabItem>
+            <TabItem Header="Dump / Make">
+                <StackPanel>
+                    <Controls:GroupBox Header="Dump" Margin="10">
+                        <StackPanel Margin="5" HorizontalAlignment="Center">
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="File or folder:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="da1" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select file..." Tag="file" Click="DumpSelectBtns_OnClick" />
+                                <Button Content="Select folder..." Tag="folder" Click="DumpSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Output folder:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="da2" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="output" Click="DumpSelectBtns_OnClick" />
+                            </StackPanel>
+                            <CheckBox Content="Subset" IsChecked="True" Name="da3" />
+                            <Button Margin="10" Content="Go" Click="DoDumpBtn_OnClick" />
+                        </StackPanel>
+                    </Controls:GroupBox>
+                    <Controls:GroupBox Header="Make" Margin="10">
+                        <StackPanel Margin="5" HorizontalAlignment="Center">
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <StackPanel Orientation="Horizontal">
+                                        <TextBlock Text="Video folder:" />
+                                        <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                      VerticalScrollBarVisibility="Auto">
+                                            <TextBlock Name="ma1" />
+                                        </ScrollViewer>
+                                    </StackPanel>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="dir" Click="MakeSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Data folder:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="ma2" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="data" Click="MakeSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Output folder:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="ma3" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="output" Click="MakeSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Default Subtitle language:" VerticalAlignment="Center"
+                                               TextAlignment="Center" />
+                                    <TextBox Name="ma4" />
+                                </StackPanel>
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Default Subtitle title:" VerticalAlignment="Center"
+                                               TextAlignment="Center" />
+                                    <TextBox Name="ma5" />
+                                </StackPanel>
+                            </StackPanel>
+                            <Button Margin="10" Content="Go" Click="DoMakeBtn_OnClick" />
+                        </StackPanel>
+                    </Controls:GroupBox>
+                </StackPanel>
+            </TabItem>
+            <TabItem Header="Create">
+                <StackPanel>
+                    <Controls:GroupBox Header="Do Create" Margin="10">
+                        <StackPanel Margin="5" HorizontalAlignment="Center">
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <StackPanel Orientation="Horizontal">
+                                        <TextBlock Text="Video folder:" />
+                                        <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                      VerticalScrollBarVisibility="Auto">
+                                            <TextBlock Name="ca1" />
+                                        </ScrollViewer>
+                                    </StackPanel>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="v" Click="CreateSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Subtitles folder:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="ca2" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="s" Click="CreateSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Fonts folder:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="ca3" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="f" Click="CreateSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Output folder:" />
+                                    <ScrollViewer HorizontalScrollBarVisibility="Auto"
+                                                  VerticalScrollBarVisibility="Auto">
+                                        <TextBlock Name="ca4" />
+                                    </ScrollViewer>
+                                </StackPanel>
+                                <Button Content="Select..." Tag="o" Click="CreateSelectBtns_OnClick" />
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Default Subtitle language:" VerticalAlignment="Center"
+                                               TextAlignment="Center" />
+                                    <TextBox Name="ca5" />
+                                </StackPanel>
+                            </StackPanel>
+                            <StackPanel Orientation="Horizontal" Margin="5">
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
+                                    <TextBlock Text="Default Subtitle title:" VerticalAlignment="Center"
+                                               TextAlignment="Center" />
+                                    <TextBox Name="ca6" />
+                                </StackPanel>
+                            </StackPanel>
+                            <CheckBox Content="Clean old data" IsChecked="False" Name="ca7" />
+                            <Button Margin="10" Content="Go" Click="DoCreatetn_OnClick" />
+                        </StackPanel>
+                    </Controls:GroupBox>
+                </StackPanel>
+            </TabItem>
+        </TabControl>
+        <Controls:GroupBox Header="Log" Margin="10" DockPanel.Dock="Right">
+            <ScrollViewer HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
+                <TextBox IsReadOnly="True" Name="logBox" Margin="10" />
+            </ScrollViewer>
+        </Controls:GroupBox>
+    </DockPanel>
+</Window>
\ No newline at end of file
diff --git a/mkvtool-gui/MainWindow.axaml.cs b/mkvtool-gui/MainWindow.axaml.cs
new file mode 100644
index 0000000..10b34de
--- /dev/null
+++ b/mkvtool-gui/MainWindow.axaml.cs
@@ -0,0 +1,428 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using MessageBox.Avalonia;
+using MEnums = MessageBox.Avalonia.Enums;
+
+namespace mkvtool
+{
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        private async void CheckFileBtn_OnClick(object? sender, RoutedEventArgs e)
+        {
+            string[] files = await ShowSelectFileDialog("MKV file", new string[] {"mkv"}, false);
+            if (files != null)
+            {
+                bool[] result = mkvlib.CheckSubset(files[0], lcb);
+                if (result[1])
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Check result",
+                        "Has error.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Error, WindowStartupLocation.CenterOwner).Show();
+                else if (result[0])
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Check result",
+                        "This mkv file are subsetted.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+                else
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Check result",
+                        "This mkv file are not subsetted.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Warning, WindowStartupLocation.CenterOwner).Show();
+            }
+        }
+
+        private async void CheckFolderBtn_OnClick(object? sender, RoutedEventArgs e)
+        {
+            string dir = await new OpenFolderDialog().ShowAsync(this);
+            if (!string.IsNullOrEmpty(dir))
+            {
+                string[] list = mkvlib.QueryFolder(dir, lcb);
+                if (list != null && list.Length > 0)
+                {
+                    lcb("Not subsetted file list:");
+                    lcb(" ----- Begin ----- ");
+                    lcb(string.Join(Environment.NewLine, list));
+                    lcb(" -----  End  ----- ");
+                }
+                else
+                    lcb("All files are subseted.");
+            }
+        }
+
+        void lcb(string str)
+        {
+            this.FindControl<TextBox>("logBox").Text += str + Environment.NewLine;
+        }
+
+        private async void TopLevel_OnOpened(object? sender, EventArgs e)
+        {
+            if (!mkvlib.InitInstance(lcb))
+            {
+                await MessageBoxManager.GetMessageBoxStandardWindow("Check result",
+                    "Failed to init mkvlib.", MEnums.ButtonEnum.Ok,
+                    MEnums.Icon.Error, WindowStartupLocation.CenterOwner).Show();
+                this.IsEnabled = false;
+            }
+        }
+
+        class SubsetArg
+        {
+            public static string[] Asses { get; set; }
+            public static string Fonts { get; set; }
+            public static string Output { get; set; }
+            public static bool DirSafe { get; set; }
+        }
+
+        private async void SubsetSelectBtns_OnClick(object? sender, RoutedEventArgs e)
+        {
+            Button btn = (Button) sender;
+            string dir;
+            switch (btn.Tag.ToString())
+            {
+                case "asses":
+                    SubsetArg.Asses = null;
+                    this.FindControl<TextBlock>("sa1").Text = string.Empty;
+                    string[] files = await ShowSelectFileDialog("ASS file(s)", new[] {"ass"}, true);
+                    if (files != null && files.Length > 0)
+                    {
+                        SubsetArg.Asses = files;
+                        this.FindControl<TextBlock>("sa1").Text = string.Join(Environment.NewLine, files);
+                    }
+
+                    break;
+                case "fonts":
+                    SubsetArg.Fonts = string.Empty;
+                    this.FindControl<TextBlock>("sa2").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        SubsetArg.Fonts = dir;
+                        this.FindControl<TextBlock>("sa2").Text = dir;
+                    }
+
+                    break;
+                case "output":
+                    SubsetArg.Output = string.Empty;
+                    this.FindControl<TextBlock>("sa3").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        SubsetArg.Output = dir;
+                        this.FindControl<TextBlock>("sa3").Text = dir;
+                    }
+
+                    break;
+            }
+        }
+
+        async Task<string[]> ShowSelectFileDialog(string name, string[] ext, bool multiple)
+        {
+            OpenFileDialog fileDialog = new OpenFileDialog();
+            fileDialog.AllowMultiple = multiple;
+            FileDialogFilter filter = new FileDialogFilter();
+            filter.Name = name;
+            filter.Extensions.AddRange(ext);
+            fileDialog.Filters.Add(filter);
+            string[] files = await fileDialog.ShowAsync(this);
+            return files;
+        }
+
+        private async void DoSubsetBtn_OnClick(object? sender, RoutedEventArgs e)
+        {
+            if (SubsetArg.Asses != null && SubsetArg.Asses.Length > 0 && !string.IsNullOrEmpty(SubsetArg.Fonts) &&
+                !string.IsNullOrEmpty(SubsetArg.Output))
+            {
+                SubsetArg.DirSafe = this.FindControl<CheckBox>("sa4").IsChecked == true;
+                if (mkvlib.ASSFontSubset(SubsetArg.Asses, SubsetArg.Fonts, SubsetArg.Output, SubsetArg.DirSafe, lcb))
+                {
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Subset result",
+                        "Subset successfully.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+                    SubsetArg.Asses = null;
+                    SubsetArg.Fonts = string.Empty;
+                    SubsetArg.Output = string.Empty;
+                    this.FindControl<TextBlock>("sa1").Text = string.Empty;
+                    this.FindControl<TextBlock>("sa2").Text = string.Empty;
+                    this.FindControl<TextBlock>("sa3").Text = string.Empty;
+                    this.FindControl<CheckBox>("sa4").IsCancel = true;
+                }
+                else
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Subset result",
+                        "Failed to subset.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+            }
+        }
+
+        class DumpArg
+        {
+            public static string Path { get; set; }
+            public static string Output { get; set; }
+            public static bool Subset { get; set; }
+            public static bool Dir { get; set; }
+        }
+
+        private async void DumpSelectBtns_OnClick(object? sender, RoutedEventArgs e)
+        {
+            Button btn = (Button) sender;
+            string dir;
+            switch (btn.Tag.ToString())
+            {
+                case "file":
+                    DumpArg.Path = string.Empty;
+                    DumpArg.Dir = false;
+                    this.FindControl<TextBlock>("da1").Text = string.Empty;
+                    string[] files = await ShowSelectFileDialog("MKV file",
+                        new[] {"mkv"},
+                        false);
+                    if (files != null && files.Length > 0)
+                    {
+                        DumpArg.Path = files[0];
+                        this.FindControl<TextBlock>("da1").Text = files[0];
+                    }
+
+                    break;
+                case "folder":
+                    DumpArg.Path = string.Empty;
+                    this.FindControl<TextBlock>("da1").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        DumpArg.Path = dir;
+                        this.FindControl<TextBlock>("da1").Text = dir;
+                        DumpArg.Dir = true;
+                    }
+
+                    break;
+                case "output":
+                    DumpArg.Output = string.Empty;
+                    this.FindControl<TextBlock>("da2").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        DumpArg.Output = dir;
+                        this.FindControl<TextBlock>("da2").Text = dir;
+                    }
+
+                    break;
+            }
+        }
+
+        private async void DoDumpBtn_OnClick(object? sender, RoutedEventArgs e)
+        {
+            if (!string.IsNullOrEmpty(DumpArg.Path) &&
+                !string.IsNullOrEmpty(DumpArg.Output))
+            {
+                DumpArg.Subset = this.FindControl<CheckBox>("da3").IsChecked == true;
+                bool r = !DumpArg.Dir
+                    ? mkvlib.DumpMKV(DumpArg.Path, DumpArg.Output, DumpArg.Subset, lcb)
+                    : mkvlib.DumpMKVs(DumpArg.Path, DumpArg.Output, DumpArg.Subset, lcb);
+                if (r)
+                {
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Dump result",
+                        "Dump successfully.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+                    DumpArg.Path = string.Empty;
+                    DumpArg.Output = string.Empty;
+                    DumpArg.Dir = false;
+                    this.FindControl<TextBlock>("da1").Text = string.Empty;
+                    this.FindControl<TextBlock>("da2").Text = string.Empty;
+                    this.FindControl<CheckBox>("da3").IsCancel = true;
+                }
+                else
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Dump result",
+                        "Failed to dump.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+            }
+        }
+
+        class MakeArg
+        {
+            public static string Dir { get; set; }
+            public static string Data { get; set; }
+            public static string Output { get; set; }
+            public static string slang { get; set; }
+            public static string stitle { get; set; }
+        }
+
+        private async void MakeSelectBtns_OnClick(object? sender, RoutedEventArgs e)
+        {
+            Button btn = (Button) sender;
+            string dir;
+            switch (btn.Tag.ToString())
+            {
+                case "dir":
+                    MakeArg.Dir = string.Empty;
+                    this.FindControl<TextBlock>("ma1").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        MakeArg.Dir = dir;
+                        this.FindControl<TextBlock>("ma1").Text = dir;
+                    }
+
+                    break;
+                case "data":
+                    MakeArg.Data = string.Empty;
+                    this.FindControl<TextBlock>("ma2").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        MakeArg.Data = dir;
+                        this.FindControl<TextBlock>("ma2").Text = dir;
+                    }
+
+                    break;
+                case "output":
+                    MakeArg.Output = string.Empty;
+                    this.FindControl<TextBlock>("ma3").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        MakeArg.Output = dir;
+                        this.FindControl<TextBlock>("ma3").Text = dir;
+                    }
+
+                    break;
+            }
+        }
+
+        private async void DoMakeBtn_OnClick(object? sender, RoutedEventArgs e)
+        {
+            if (!string.IsNullOrEmpty(MakeArg.Dir) && !string.IsNullOrEmpty(MakeArg.Data) &&
+                !string.IsNullOrEmpty(MakeArg.Output))
+            {
+                MakeArg.slang = this.FindControl<TextBox>("ma4").Text;
+                MakeArg.stitle = this.FindControl<TextBox>("ma5").Text;
+                if (mkvlib.MakeMKVs(MakeArg.Dir, MakeArg.Data, MakeArg.Output, MakeArg.slang, MakeArg.stitle, lcb))
+                {
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Make result",
+                        "Make successfully.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+                    MakeArg.Dir = string.Empty;
+                    MakeArg.Data = string.Empty;
+                    MakeArg.Output = string.Empty;
+                    MakeArg.slang = string.Empty;
+                    MakeArg.stitle = string.Empty;
+                    this.FindControl<TextBlock>("ma1").Text = string.Empty;
+                    this.FindControl<TextBlock>("ma2").Text = string.Empty;
+                    this.FindControl<TextBlock>("ma3").Text = string.Empty;
+                    this.FindControl<TextBox>("ma4").Text = string.Empty;
+                    this.FindControl<TextBox>("ma5").Text = string.Empty;
+                }
+                else
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Make result",
+                        "Failed to make.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+            }
+        }
+
+        class CreateArg
+        {
+            public static string vDir { get; set; }
+            public static string sDir { get; set; }
+            public static string fDir { get; set; }
+            public static string oDir { get; set; }
+            public static string slang { get; set; }
+            public static string stitle { get; set; }
+            public static bool clean { get; set; }
+        }
+
+        private async void CreateSelectBtns_OnClick(object? sender, RoutedEventArgs e)
+        {
+            Button btn = (Button) sender;
+            string dir;
+            switch (btn.Tag.ToString())
+            {
+                case "v":
+                    CreateArg.vDir = string.Empty;
+                    this.FindControl<TextBlock>("ca1").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        CreateArg.vDir = dir;
+                        this.FindControl<TextBlock>("ca1").Text = dir;
+                    }
+
+                    break;
+                case "s":
+                    CreateArg.sDir = string.Empty;
+                    this.FindControl<TextBlock>("ca2").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        CreateArg.sDir = dir;
+                        this.FindControl<TextBlock>("ca2").Text = dir;
+                    }
+
+                    break;
+                case "f":
+                    CreateArg.fDir = string.Empty;
+                    this.FindControl<TextBlock>("ca3").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        CreateArg.fDir = dir;
+                        this.FindControl<TextBlock>("ca3").Text = dir;
+                    }
+
+                    break;
+                case "o":
+                    CreateArg.oDir = string.Empty;
+                    this.FindControl<TextBlock>("ca4").Text = string.Empty;
+                    dir = await new OpenFolderDialog().ShowAsync(this);
+                    if (!string.IsNullOrEmpty(dir))
+                    {
+                        CreateArg.oDir = dir;
+                        this.FindControl<TextBlock>("ca4").Text = dir;
+                    }
+
+                    break;
+            }
+        }
+
+        private async void DoCreatetn_OnClick(object? sender, RoutedEventArgs e)
+        {
+            if (!string.IsNullOrEmpty(CreateArg.vDir) && !string.IsNullOrEmpty(CreateArg.sDir) &&
+                !string.IsNullOrEmpty(CreateArg.fDir) && !string.IsNullOrEmpty(CreateArg.oDir))
+            {
+                CreateArg.slang = this.FindControl<TextBox>("ca5").Text;
+                CreateArg.stitle = this.FindControl<TextBox>("ca6").Text;
+                CreateArg.clean = this.FindControl<CheckBox>("ca7").IsChecked == true;
+                if (mkvlib.CreateMKVs(CreateArg.vDir, CreateArg.sDir, CreateArg.fDir, string.Empty, CreateArg.oDir,
+                    CreateArg.slang, CreateArg.stitle, CreateArg.clean, lcb))
+                {
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Create result",
+                        "Create successfully.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+                    CreateArg.vDir = string.Empty;
+                    CreateArg.sDir = string.Empty;
+                    CreateArg.fDir = string.Empty;
+                    CreateArg.oDir = string.Empty;
+                    CreateArg.clean = false;
+                    this.FindControl<TextBlock>("ca1").Text = string.Empty;
+                    this.FindControl<TextBlock>("ca2").Text = string.Empty;
+                    this.FindControl<TextBlock>("ca3").Text = string.Empty;
+                    this.FindControl<TextBlock>("ca4").Text = string.Empty;
+                    this.FindControl<TextBox>("ca5").Text = string.Empty;
+                    this.FindControl<TextBox>("ca6").Text = string.Empty;
+                    this.FindControl<CheckBox>("ca7").IsChecked = false;
+                }
+                else
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Create result",
+                        "Failed to create.", MEnums.ButtonEnum.Ok,
+                        MEnums.Icon.Info, WindowStartupLocation.CenterOwner).Show();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/mkvtool-gui/Program.cs b/mkvtool-gui/Program.cs
new file mode 100644
index 0000000..7eb68e0
--- /dev/null
+++ b/mkvtool-gui/Program.cs
@@ -0,0 +1,23 @@
+using System;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+
+namespace mkvtool
+{
+    class Program
+    {
+        // Initialization code. Don't use any Avalonia, third-party APIs or any
+        // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+        // yet and stuff might break.
+        [STAThread]
+        public static void Main(string[] args) => BuildAvaloniaApp()
+            .StartWithClassicDesktopLifetime(args);
+
+        // Avalonia configuration, don't remove; also used by visual designer.
+        public static AppBuilder BuildAvaloniaApp()
+            => AppBuilder.Configure<App>()
+                .UsePlatformDetect()
+                .LogToTrace();
+    }
+}
\ No newline at end of file
diff --git a/mkvtool-gui/mkvtool.csproj b/mkvtool-gui/mkvtool.csproj
new file mode 100644
index 0000000..0791134
--- /dev/null
+++ b/mkvtool-gui/mkvtool.csproj
@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <IsWindows Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Windows)))' == 'true'">true</IsWindows>
+    <IsOSX Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::OSX)))' == 'true'">true</IsOSX>
+    <IsLinux Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true'">true</IsLinux>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(IsWindows)'=='true'">
+    <DefineConstants>Windows</DefineConstants>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(IsOSX)'=='true'">
+    <DefineConstants>OSX</DefineConstants>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(IsLinux)'=='true'">
+    <DefineConstants>Linux</DefineConstants>
+  </PropertyGroup>
+  <ItemGroup>
+    <None Remove=".gitignore" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="0.10.8" />
+    <PackageReference Include="Avalonia.Desktop" Version="0.10.8" />
+    <PackageReference Include="mameolan.Avalonia.Controlz" Version="1.0.0-CI-20211017-144151" />
+    <PackageReference Include="MessageBox.Avalonia" Version="1.5.3" />
+   </ItemGroup>
+</Project>
diff --git a/mkvtool-gui/sdk.cs b/mkvtool-gui/sdk.cs
new file mode 100644
index 0000000..2be1922
--- /dev/null
+++ b/mkvtool-gui/sdk.cs
@@ -0,0 +1,135 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Text.Json;
+
+public static class mkvlib
+{
+#if OSX
+    const string so = "mkvlib_osx.so";
+#endif
+#if Linux
+    const string so = "mkvlib_linux.so";
+#endif
+#if Windows
+    const string so = "mkvlib_windows.so";
+#endif
+
+    #region imports
+
+    [DllImport(so)]
+    static extern bool InitInstance(logCallback lcb);
+
+    [DllImport(so)]
+    static extern IntPtr GetMKVInfo(IntPtr ptr);
+
+    [DllImport(so)]
+    static extern bool DumpMKV(IntPtr file, IntPtr output, bool subset, logCallback lcb);
+
+    [DllImport(so)]
+    static extern IntPtr CheckSubset(IntPtr file, logCallback lcb);
+
+    [DllImport(so)]
+    static extern bool CreateMKV(IntPtr file, IntPtr tracks, IntPtr attachments, IntPtr output, IntPtr slang,
+        IntPtr stitle, bool clean);
+
+    [DllImport(so)]
+    static extern bool ASSFontSubset(IntPtr files, IntPtr fonts, IntPtr output, bool dirSafe, logCallback lcb);
+
+    [DllImport(so)]
+    static extern IntPtr QueryFolder(IntPtr dir, logCallback lcb);
+
+    [DllImport(so)]
+    static extern bool DumpMKVs(IntPtr dir, IntPtr output, bool subset, logCallback lcb);
+
+    [DllImport(so)]
+    static extern bool CreateMKVs(IntPtr vDir, IntPtr sDir, IntPtr fDir, IntPtr tDir, IntPtr oDir, IntPtr slang,
+        IntPtr stitle, bool clean, logCallback lcb);
+
+    [DllImport(so)]
+    static extern bool MakeMKVs(IntPtr dir, IntPtr data, IntPtr output, IntPtr slang, IntPtr stitle, logCallback lcb);
+
+    #endregion
+
+    public static bool InitInstance(Action<string> lcb)
+    {
+        return InitInstance(_lcb(lcb));
+    }
+
+    public static string GetMKVInfo(string file)
+    {
+        return css(GetMKVInfo(cs(file)));
+    }
+
+    public static bool DumpMKV(string file, string output, bool subset, Action<string> lcb)
+    {
+        return DumpMKV(cs(file), cs(output), subset, _lcb(lcb));
+    }
+
+    public static bool[] CheckSubset(string file, Action<string> lcb)
+    {
+        string json = css(CheckSubset(cs(file), _lcb(lcb)));
+        JsonDocument doc = JsonDocument.Parse(json);
+        bool[] result = new bool[2];
+        result[0] = doc.RootElement.GetProperty("subsetted").GetBoolean();
+        result[1] = doc.RootElement.GetProperty("error").GetBoolean();
+        return result;
+    }
+
+    public static bool CreateMKV(string file, string[] tracks, string[] attachments, string output, string slang,
+        string stitle, bool clean)
+    {
+        string _tracks = JsonSerializer.Serialize<string[]>(tracks);
+        string _attachments = JsonSerializer.Serialize<string[]>(attachments);
+        return CreateMKV(cs(file), cs(_tracks), cs(_attachments), cs(output), cs(slang), cs(stitle), clean);
+    }
+
+    public static bool ASSFontSubset(string[] files, string fonts, string output, bool dirSafe, Action<string> lcb)
+    {
+        string _files = JsonSerializer.Serialize<string[]>(files);
+        return ASSFontSubset(cs(_files), cs(fonts), cs(output), dirSafe, _lcb(lcb));
+    }
+
+    public static string[] QueryFolder(string dir, Action<string> lcb)
+    {
+        string result = css(QueryFolder(cs(dir), _lcb(lcb)));
+        return JsonSerializer.Deserialize<string[]>(result);
+    }
+
+    public static bool DumpMKVs(string dir, string output, bool subset, Action<string> lcb)
+    {
+        return DumpMKVs(cs(dir), cs(output), subset, _lcb(lcb));
+    }
+
+    public static bool CreateMKVs(string vDir, string sDir, string fDir, string tDir, string oDir, string slang,
+        string stitle, bool clean, Action<string> lcb)
+    {
+        return CreateMKVs(cs(vDir), cs(sDir), cs(fDir), cs(tDir), cs(oDir), cs(slang), cs(stitle), clean, _lcb(lcb));
+    }
+
+    public static bool MakeMKVs(string dir, string data, string output, string slang, string stitle, Action<string> lcb)
+    {
+        return MakeMKVs(cs(dir), cs(data), cs(output), cs(slang), cs(stitle), _lcb(lcb));
+    }
+
+
+    delegate void logCallback(IntPtr ptr);
+
+    static logCallback _lcb(Action<string> lcb)
+    {
+        return (ptr) =>
+        {
+            if (lcb != null)
+                lcb(css(ptr));
+        };
+    }
+
+    static IntPtr cs(string str)
+    {
+        return Marshal.StringToCoTaskMemUTF8(str);
+    }
+
+    static string css(IntPtr ptr)
+    {
+        return Marshal.PtrToStringUTF8(ptr);
+    }
+}
\ No newline at end of file
-- 
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