commit 09d1a52aed12ccc88ff5c7ae3ff3becd428a8217 Author: Eveldee Date: Sat Mar 12 17:12:52 2022 +0100 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..83c9038 --- /dev/null +++ b/.gitignore @@ -0,0 +1,696 @@ + +# Created by https://www.toptal.com/developers/gitignore/api/visualstudio,visualstudiocode,jetbrains+all,csharp,dotnetcore +# Edit at https://www.toptal.com/developers/gitignore?templates=visualstudio,visualstudiocode,jetbrains+all,csharp,dotnetcore + +### Csharp ### +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET Core +project.lock.json +project.fragment.lock.json +artifacts/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.tlog +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. 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Comment the next line if you want to +# checkin your Azure Web App publish settings, but sensitive information contained +# in these scripts will be unencrypted + +# NuGet Packages +# NuGet Symbol Packages +# The packages folder can be ignored because of Package Restore +# except build/, which is used as an MSBuild target. +# Uncomment if necessary however generally it will be regenerated when needed +# NuGet v3's project.json files produces more ignorable files + +# Microsoft Azure Build Output + +# Microsoft Azure Emulator + +# Windows Store app package directories and files + +# Visual Studio cache files +# files ending in .cache can be ignored +# but keep track of directories ending in .cache + +# Others + +# Including strong name files can present a security risk +# (https://github.com/github/gitignore/pull/2483#issue-259490424) + +# Since there are multiple workflows, uncomment next line to ignore bower_components +# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622) + +# RIA/Silverlight projects + +# Backup & report files from converting an old project file +# to a newer Visual Studio version. 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+ +public class MkvInfoReader +{ + public const char LineDelimiter = '\n'; + + private readonly ReadOnlyMemory _memory; + private ReadOnlyMemory _remainingMemory; + + private readonly MkvNodeRoot _root; + private MkvNode _currentNode; + + private int _currentPosition; + + public MkvInfoReader(string mkvInfoOutput) + { + _memory = mkvInfoOutput.AsMemory(); + _remainingMemory = _memory; + + _root = new MkvNodeRoot(); + _currentNode = _root; + + _currentPosition = 0; + } + + public MkvNodeRoot Read() + { + if (_root.Children.Count > 0) + { + return _root; + } + + while (_currentPosition < _memory.Length) + { + var line = ReadLine(); + + // Skip empty lines + if (line.Length < 1) + { + continue; + } + + ProcessLine(line); + } + + return _root; + } + + private void ProcessLine(ReadOnlyMemory line) + { + var lineSpan = line.Span; + + // Find depth + int depth = lineSpan.IndexOf('+'); + + // Climb up the node tree + while (depth <= _currentNode.Depth) + { + _currentNode = _currentNode.Parent!; + } + + // Node content + var content = line[(depth + 2)..]; + var contentSpan = content.Span; + + // Check for property + int propertyIndex = contentSpan.IndexOf(':'); + + MkvNode node; + // Property node + if (propertyIndex != -1) + { + var name = content[..propertyIndex]; + var value = content[(propertyIndex + 1)..]; + + node = new MkvProperty(_currentNode, name, value); + } + // Generic node + else + { + node = new MkvNode(_currentNode, content); + } + + _currentNode.Children.Add(node); + + _currentNode = node; + } + + /// + /// Read in the span till next \n or EOF while incrementing _currentPosition + /// + /// + private ReadOnlyMemory ReadLine() + { + var remainingSpan = _remainingMemory.Span; + ReadOnlyMemory line; + + int index = remainingSpan.IndexOf(LineDelimiter); + + // Reach the end + if (index == -1) + { + line = _remainingMemory; + _currentPosition = _memory.Length; + } + else + { + line = _remainingMemory[..(index - 1)]; // -1 to skip \r + _currentPosition += index + 1; // Skip \n + } + + // Move forward in the span + _remainingMemory = _memory[_currentPosition..]; + + return line; + } +} \ No newline at end of file diff --git a/MkvToolnixWrapper/MkvInfo/MkvNode.cs b/MkvToolnixWrapper/MkvInfo/MkvNode.cs new file mode 100644 index 0000000..0a7603a --- /dev/null +++ b/MkvToolnixWrapper/MkvInfo/MkvNode.cs @@ -0,0 +1,80 @@ +using System.Collections; +using System.Text; + +namespace MkvPropEditWrapper.MkvInfo; + +public class MkvNode : IEnumerable +{ + private static class KnowNodeTypes + { + public const string Head = "EBML head"; + public const string Segment = "Segment"; + public const string Chapter = "Chapters"; + public const string Tag = "Tags"; + public const string Track = "Tracks"; + public const string Attachment = "Attachments"; + } + + public MkvNode? Parent { get; } + public IList Children { get; } + + public virtual NodeType NodeType { get; } + public virtual int Depth { get; } + + public ReadOnlyMemory Name { get; } + + public MkvNode(MkvNode? parent, ReadOnlyMemory name) + { + Parent = parent; + Name = name; + + Depth = parent?.Depth + 1 ?? 0; + + NodeType = parent is null ? NodeType.Root : FindNodeType(); + + Children = new List(); + } + + private NodeType FindNodeType() + { + var span = Name.Span; + + return Depth switch + { + 0 when span.SequenceEqual(KnowNodeTypes.Head) => NodeType.Head, + 0 when span.StartsWith(KnowNodeTypes.Segment) => NodeType.Segment, + 1 when span.SequenceEqual(KnowNodeTypes.Chapter) => NodeType.Chapter, + 1 when span.SequenceEqual(KnowNodeTypes.Tag) => NodeType.Tag, + 1 when span.SequenceEqual(KnowNodeTypes.Track) => NodeType.Track, + 1 when span.SequenceEqual(KnowNodeTypes.Attachment) => NodeType.Attachment, + 1 => NodeType.Unknown, + _ => Parent!.NodeType + }; + } + + protected virtual void AppendSelf(StringBuilder builder) => builder.AppendLine($"{new string('-', Depth)}> [{NodeType}] {Name}"); + + public IEnumerator GetEnumerator() + { + return Children.GetEnumerator(); + } + + IEnumerator IEnumerable.GetEnumerator() + { + return GetEnumerator(); + } + + public override string ToString() + { + var builder = new StringBuilder(); + + AppendSelf(builder); + + foreach (var mkvNode in Children) + { + builder.Append(mkvNode); + } + + return builder.ToString(); + } +} \ No newline at end of file diff --git a/MkvToolnixWrapper/MkvInfo/MkvNodeRoot.cs b/MkvToolnixWrapper/MkvInfo/MkvNodeRoot.cs new file mode 100644 index 0000000..03470f4 --- /dev/null +++ b/MkvToolnixWrapper/MkvInfo/MkvNodeRoot.cs @@ -0,0 +1,19 @@ +using System.Text; + +namespace MkvPropEditWrapper.MkvInfo; + +public class MkvNodeRoot : MkvNode +{ + public override NodeType NodeType => NodeType.Root; + public override int Depth => -1; + + public MkvNodeRoot() + : base(null, "Root".AsMemory()) + { + } + + protected override void AppendSelf(StringBuilder builder) + { + + } +} \ No newline at end of file diff --git a/MkvToolnixWrapper/MkvInfo/MkvProperty.cs b/MkvToolnixWrapper/MkvInfo/MkvProperty.cs new file mode 100644 index 0000000..d69f721 --- /dev/null +++ b/MkvToolnixWrapper/MkvInfo/MkvProperty.cs @@ -0,0 +1,52 @@ +using System.Text; + +namespace MkvPropEditWrapper.MkvInfo; + +public class MkvProperty : MkvNode +{ + private static class KnownProperties + { + public const string FlagDefault = "\"Default track\" flag"; + public const string FlagForced = "\"Forced display\" flag"; + public const string Language = "Language"; + } + + public override NodeType NodeType => NodeType.Property; + public PropertyType PropertyType { get; } + public ReadOnlyMemory Value { get; } + + public MkvProperty(MkvNode? parent, ReadOnlyMemory name, ReadOnlyMemory value) + : base(parent, name) + { + Value = value; + + PropertyType = FindPropertyType(name); + } + + private static PropertyType FindPropertyType(ReadOnlyMemory name) + { + var span = name.Span; + + if (span.SequenceEqual(KnownProperties.FlagDefault)) + { + return PropertyType.FlagDefault; + } + + if (span.SequenceEqual(KnownProperties.FlagForced)) + { + return PropertyType.FlagForced; + } + + if (span.SequenceEqual(KnownProperties.Language)) + { + return PropertyType.Language; + } + + return PropertyType.Unknown; + } + + protected override void AppendSelf(StringBuilder builder) + { + builder.AppendLine($"{new string('-', Depth)}> [{NodeType}] {Name}: {Value}"); + } +} \ No newline at end of file diff --git a/MkvToolnixWrapper/MkvInfo/NodeType.cs b/MkvToolnixWrapper/MkvInfo/NodeType.cs new file mode 100644 index 0000000..839d2db --- /dev/null +++ b/MkvToolnixWrapper/MkvInfo/NodeType.cs @@ -0,0 +1,14 @@ +namespace MkvPropEditWrapper.MkvInfo; + +public enum NodeType +{ + Unknown, + Property, + Root, + Head, + Segment, + Track, + Tag, + Attachment, + Chapter +} \ No newline at end of file diff --git a/MkvToolnixWrapper/MkvInfo/NodeUtils.cs b/MkvToolnixWrapper/MkvInfo/NodeUtils.cs new file mode 100644 index 0000000..7acddab --- /dev/null +++ b/MkvToolnixWrapper/MkvInfo/NodeUtils.cs @@ -0,0 +1,21 @@ +namespace MkvPropEditWrapper.MkvInfo; + +public static class NodeUtils +{ + public static IEnumerable Descendants(this MkvNode root) + { + var nodes = new Stack(new[] {root}); + + while (nodes.Any()) + { + var node = nodes.Pop(); + + yield return node; + + foreach (var newNode in node.Children) + { + nodes.Push(newNode); + } + } + } +} \ No newline at end of file diff --git a/MkvToolnixWrapper/MkvInfo/PropertyType.cs b/MkvToolnixWrapper/MkvInfo/PropertyType.cs new file mode 100644 index 0000000..ee436ad --- /dev/null +++ b/MkvToolnixWrapper/MkvInfo/PropertyType.cs @@ -0,0 +1,9 @@ +namespace MkvPropEditWrapper.MkvInfo; + +public enum PropertyType +{ + Unknown, + FlagDefault, + FlagForced, + Language +} \ No newline at end of file diff --git a/MkvToolnixWrapper/MkvPropEdit/Flags.cs b/MkvToolnixWrapper/MkvPropEdit/Flags.cs new file mode 100644 index 0000000..7f8c8ef --- /dev/null +++ b/MkvToolnixWrapper/MkvPropEdit/Flags.cs @@ -0,0 +1,8 @@ +namespace MkvPropEditWrapper; + +public static class Flags +{ + public const string Default = "flag-default"; + public const string Enabled = "flag-enabled"; + public const string Forced = "flag-forced"; +} \ No newline at end of file diff --git a/MkvToolnixWrapper/MkvToolnixWrapper.csproj b/MkvToolnixWrapper/MkvToolnixWrapper.csproj new file mode 100644 index 0000000..b516515 --- /dev/null +++ b/MkvToolnixWrapper/MkvToolnixWrapper.csproj @@ -0,0 +1,10 @@ + + + + net6.0 + enable + enable + MkvPropEditWrapper + + + diff --git a/MkvToolnixWrapper/Utils/ProcessRunner.cs b/MkvToolnixWrapper/Utils/ProcessRunner.cs new file mode 100644 index 0000000..12f95a5 --- /dev/null +++ b/MkvToolnixWrapper/Utils/ProcessRunner.cs @@ -0,0 +1,103 @@ +using System.Diagnostics; +using System.Text; + +namespace MkvPropEditWrapper.Utils; + +public sealed class ProcessRunner +{ + private readonly ProcessStartInfo _startInfo; + + public ProcessRunner(ProcessStartInfo startInfo) + { + _startInfo = startInfo; + + _startInfo.RedirectStandardOutput = true; + _startInfo.RedirectStandardError = true; + _startInfo.StandardOutputEncoding = Encoding.UTF8; + _startInfo.StandardErrorEncoding = Encoding.UTF8; + } + + public bool TryRun(out string output) + { + using var process = Process.Start(_startInfo); + + var outputBuilder = new StringBuilder(); + var errorBuilder = new StringBuilder(); + + if (process is null) + { + output = ""; + + return false; + } + + process.OutputDataReceived += (_, args) => + { + outputBuilder.AppendLine(args.Data); + }; + + process.ErrorDataReceived += (_, args) => + { + errorBuilder.AppendLine(args.Data); + }; + + process.BeginOutputReadLine(); + process.BeginErrorReadLine(); + + process.WaitForExit(); + + if (process.ExitCode != 0) + { + output = BuildError(process, outputBuilder, errorBuilder); + + return false; + } + + output = outputBuilder.ToString(); + + return true; + } + + public async Task<(bool sucess, string output)> TryRunAsync() + { + using var process = Process.Start(_startInfo); + + var outputBuilder = new StringBuilder(); + var errorBuilder = new StringBuilder(); + + if (process is null) + { + return (false, ""); + } + + process.OutputDataReceived += (_, args) => + { + outputBuilder.AppendLine(args.Data); + }; + + process.ErrorDataReceived += (_, args) => + { + errorBuilder.AppendLine(args.Data); + }; + + process.BeginOutputReadLine(); + process.BeginErrorReadLine(); + + await process.WaitForExitAsync(); + + return process.ExitCode != 0 + ? (false, BuildError(process, outputBuilder, errorBuilder)) + : (true, outputBuilder.ToString()); + } + + private static string BuildError(Process process, StringBuilder output, StringBuilder error) + { + StringBuilder builder = new(); + + builder.AppendLine($"Error while running process '{process.StartInfo.FileName} {process.StartInfo.Arguments}'\n"); + builder.AppendLine($"Standard output:\n{output.ToString()}\n"); + builder.AppendLine($"Standard error:\n{error.ToString()}\n"); + + return builder.ToString(); + } +} \ No newline at end of file diff --git a/WrapperDebug/Program.cs b/WrapperDebug/Program.cs new file mode 100644 index 0000000..a6094a4 --- /dev/null +++ b/WrapperDebug/Program.cs @@ -0,0 +1,24 @@ +// See https://aka.ms/new-console-template for more information + +using System.Diagnostics; +using MkvPropEditWrapper.MkvInfo; +using MkvPropEditWrapper.Utils; + +var startInfo = new ProcessStartInfo() +{ + FileName = "mkvinfo", + Arguments = "--ui-language en-US video.mkv" +}; + +if (new ProcessRunner(startInfo).TryRun(out var output)) +{ + var reader = new MkvInfoReader(output); + + var root = reader.Read(); + + var tracks = root.Descendants().Where(n => n is { Depth: 2, NodeType: NodeType.Track }); + + var result = root.ToString(); +} + +Console.WriteLine("Hello, World!"); \ No newline at end of file diff --git a/WrapperDebug/WrapperDebug.csproj b/WrapperDebug/WrapperDebug.csproj new file mode 100644 index 0000000..cdc69ac --- /dev/null +++ b/WrapperDebug/WrapperDebug.csproj @@ -0,0 +1,14 @@ + + + + Exe + net6.0 + enable + enable + + + + + + +