Spectre console UI added

Logger.cs

@@ -1,117 +0,0 @@
-namespace splitter;
-
-public class Logger(CommandLine cmd) : ILogger
-{
-    int             _logLines        = Math.Max(1, Environment.ProcessorCount / 2) * 2;
-    readonly object _consoleLock     = new();
-
-    public void Log(string prefix, ConsoleColor color, string msg)
-    {
-        lock (_consoleLock)
-        {
-            if (cmd.PlainText)
-            {
-                Console.WriteLine($"{prefix} {msg}");
-            }
-            else
-            {
-                Console.SetCursorPosition(0, _logLines);
-
-                Console.ForegroundColor = ConsoleColor.Cyan;
-                Console.Write($"{prefix} ");
-
-                Console.ForegroundColor = color;
-                Console.WriteLine(msg);
-
-                Console.ResetColor();
-
-                _logLines++;
-            }
-        }
-    }
-
-    private readonly Dictionary<int, int> _progressTrack = new();
-
-    public void DrawProgress(string name, int progressLine, double progress, TimeSpan eta, double speed)
-    {
-        if (cmd.PlainText || progressLine < 0)
-            return;
-
-        // Crop name to max 20 chars
-        name = name.Length > 20 ? name[..20] : name;
-
-        lock (_consoleLock)
-        {
-            var width = Math.Max(20, Console.WindowWidth - 20);
-
-            // Reserve space for name + space
-            var namePrefix = name + " ";
-            var barWidth = Math.Max(10, width - namePrefix.Length);
-
-            var filled = (int)(progress * barWidth);
-            if (filled < 0) filled = 0;
-            if (filled > barWidth) filled = barWidth;
-
-            // --- NEW: skip drawing if visually unchanged ---
-            if (_progressTrack.TryGetValue(progressLine, out var lastFilled) &&
-                lastFilled == filled)
-            {
-                return; // no visual change → skip
-            }
-
-            _progressTrack[progressLine] = filled;
-            // ------------------------------------------------
-
-            var barLine  = _logLines + 1 + progressLine * 2;
-            var infoLine = _logLines + 2 + progressLine * 2;
-
-            // Draw progress bar
-            Console.SetCursorPosition(0, barLine);
-            Console.Write("\u001b[38;2;0;255;0m"); // green
-            Console.Write(namePrefix);
-            Console.Write("[");
-            Console.Write(new string('#', filled));
-            Console.Write(new string('-', barWidth - filled));
-            Console.Write("]\u001b[0m");
-
-            // Info line
-            Console.SetCursorPosition(0, infoLine);
-
-            var etaStr = eta.TotalSeconds < 0 || double.IsInfinity(eta.TotalSeconds)
-            ? "ETA: --:--"
-            : $"ETA: {eta:mm\\:ss}";
-
-            var speedStr = double.IsNaN(speed) || double.IsInfinity(speed)
-            ? "Speed: -.-x"
-            : $"Speed: {speed:F2}x";
-
-            var info = $"{progress * 100:0.0}%  {etaStr}  {speedStr}   ";
-
-            Console.Write("\u001b[38;2;180;180;180m" +
-                          info.PadRight(Console.WindowWidth - 1) +
-                          "\u001b[0m");
-        }
-    }
-
-
-    public void ClearProgress(int progressLevel)
-    {
-        if (cmd.PlainText || progressLevel < 0)
-            return;
-
-        lock (_consoleLock)
-        {
-            var barLine  = _logLines + 1 + progressLevel * 2;
-            var infoLine = _logLines + 2 + progressLevel * 2;
-
-            // Clear bar line
-            Console.SetCursorPosition(0, barLine);
-            Console.Write(new string(' ', Console.WindowWidth - 1));
-
-            // Clear info line
-            Console.SetCursorPosition(0, infoLine);
-            Console.Write(new string(' ', Console.WindowWidth - 1));
-        }
-    }
-
-}

SpectreConsoleLogger.cs

@@ -0,0 +1,426 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Spectre.Console;
+using Spectre.Console.Rendering;
+
+namespace splitter;
+
+
+/// <summary>
+/// Spectre.Console-based live TUI logger.
+/// - Title centered at top of outer box
+/// - Progress section (N rows) with name, gradient bar, %, ETA, FPS
+/// - Log section taking remaining space, auto-scrolling to latest messages
+/// - Bottom row with a [ Cancel ] button (dummy handler: key 'c' / 'C')
+/// - Resizes with console window
+/// </summary>
+public sealed class SpectreConsoleLogger : ILogger, IDisposable
+{
+    private readonly object _sync = new();
+    private readonly List<LogEntry> _logs = new();
+    private readonly Dictionary<int, ProgressEntry> _progress = new();
+
+    private readonly CancellationTokenSource _cts = new();
+    private Task? _uiTask;
+    private Task? _inputTask;
+
+    // Public configuration
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Number of logical progress rows. UI reacts dynamically.
+    /// </summary>
+    public int NumberOfProcesses
+    {
+        get => _numberOfProcesses;
+        set
+        {
+            lock (_sync)
+            {
+                _numberOfProcesses = Math.Max(1, value);
+                for (int i = 0; i < _numberOfProcesses; i++)
+                {
+                    if (!_progress.ContainsKey(i))
+                        _progress[i] = ProgressEntry.Empty;
+                }
+            }
+        }
+    }
+
+    private int _numberOfProcesses = 1;
+
+    private const int MaxLogEntries = 500;
+
+    public SpectreConsoleLogger()
+    {
+        NumberOfProcesses = 1;
+    }
+
+    // ---- ILogger ----
+
+    public void ClearProgress(int progressLevel)
+    {
+        lock (_sync)
+        {
+            _progress[progressLevel] = ProgressEntry.Empty;
+        }
+    }
+
+    public void DrawProgress(string name, int progressLine, double progress, TimeSpan eta, double speed)
+    {
+        lock (_sync)
+        {
+            if (progressLine < 0)
+                return;
+
+            if (progressLine >= NumberOfProcesses)
+                NumberOfProcesses = progressLine + 1;
+
+            _progress[progressLine] = new ProgressEntry(
+                name ?? string.Empty,
+                Math.Clamp(progress, 0.0, 1.0),
+                eta,
+                speed
+            );
+        }
+    }
+
+    public void Log(string prefix, ConsoleColor color, string msg)
+    {
+        lock (_sync)
+        {
+            if (_logs.Count >= MaxLogEntries)
+                _logs.RemoveRange(0, _logs.Count - MaxLogEntries + 1);
+
+            _logs.Add(new LogEntry(
+                DateTime.Now,
+                prefix ?? string.Empty,
+                color,
+                msg ?? string.Empty
+            ));
+        }
+    }
+
+    // ---- UI lifecycle ----
+
+    /// <summary>
+    /// Starts the live TUI loop. This method blocks until the cancellation token is triggered.
+    /// </summary>
+    public Task RunAsync(CancellationToken cancellationToken = default)
+    {
+        if (_uiTask != null)
+            throw new InvalidOperationException("UI already started.");
+
+        var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(_cts.Token, cancellationToken);
+        var token = linkedCts.Token;
+
+        _uiTask = Task.Run(() => RunUiAsync(token), token);
+        _inputTask = Task.Run(() => RunInputLoopAsync(token), token);
+
+        return _uiTask;
+    }
+
+    private async Task RunUiAsync(CancellationToken token)
+    {
+        await AnsiConsole.Live(BuildRoot())
+            .AutoClear(false)
+            .StartAsync(async ctx =>
+            {
+                while (!token.IsCancellationRequested)
+                {
+                    ctx.UpdateTarget(BuildRoot());
+                    await Task.Delay(100, token);
+                }
+            });
+    }
+
+    private async Task RunInputLoopAsync(CancellationToken token)
+    {
+        // Dummy handler for Cancel button: press 'c' or 'C'
+        while (!token.IsCancellationRequested)
+        {
+            if (Console.KeyAvailable)
+            {
+                var key = Console.ReadKey(intercept: true);
+                if (key.KeyChar == 'c' || key.KeyChar == 'C')
+                {
+                    ((ILogger)this).LogWarn("Cancel button pressed (dummy handler).");
+                }
+            }
+
+            await Task.Delay(50, token).ConfigureAwait(false);
+        }
+    }
+
+    // ---- Rendering ----
+
+    private IRenderable BuildRoot()
+    {
+        List<ProgressEntry> progressSnapshot;
+        List<LogEntry> logSnapshot;
+        string titleSnapshot;
+        int numberOfProcessesSnapshot;
+
+        lock (_sync)
+        {
+            titleSnapshot = Title;
+            numberOfProcessesSnapshot = NumberOfProcesses;
+            progressSnapshot = Enumerable.Range(0, numberOfProcessesSnapshot)
+                .Select(i => _progress.TryGetValue(i, out var p) ? p : ProgressEntry.Empty)
+                .ToList();
+            logSnapshot = _logs.ToList();
+        }
+
+        var layout = new Layout("root")
+            .SplitRows(
+                new Layout("progress") { Size = Math.Max(3, numberOfProcessesSnapshot + 2) },
+                new Layout("log"),
+                new Layout("buttons") { Size = 3 }
+            );
+
+        layout["progress"].Update(BuildProgressPanel(progressSnapshot));
+        layout["log"].Update(BuildLogPanel(logSnapshot));
+        layout["buttons"].Update(BuildButtonsPanel());
+        return layout;
+    }
+
+    private static IRenderable BuildProgressPanel(IReadOnlyList<ProgressEntry> entries)
+    {
+        var table = new Table()
+            .Expand()
+            .Border(TableBorder.Rounded)
+            .AddColumn("[bold]Name[/]")
+            .AddColumn("[bold]Progress[/]")
+            .AddColumn("[bold]%[/]")
+            .AddColumn("[bold]ETA[/]")
+            .AddColumn("[bold]FPS[/]");
+
+        foreach (var entry in entries)
+        {
+            var bar = new DynamicGradientBar(entry.Progress);
+
+            var percentText = $"{entry.Progress * 100:0.0}%";
+            var etaText = entry.Eta == TimeSpan.Zero
+                ? "--:--"
+                : $"{(int)entry.Eta.TotalMinutes:00}:{entry.Eta.Seconds:00}";
+            var fpsText = entry.Speed <= 0 ? "-" : $"{entry.Speed:0.0}";
+
+            table.AddRow(
+                new Markup(Escape(entry.Name)),
+                bar,
+                new Markup(percentText),
+                new Markup(etaText),
+                new Markup(fpsText)
+            );
+        }
+        return table;
+    }
+
+    private static IRenderable BuildLogPanel(IReadOnlyList<LogEntry> logs)
+    {
+        const int maxVisible = 200;
+        var slice = logs.Count > maxVisible
+        ? logs.Skip(logs.Count - maxVisible).ToList()
+        : logs.ToList();
+
+        var rows = new List<IRenderable>();
+
+        foreach (var log in slice)
+        {
+            var time = log.Timestamp.ToString("HH:mm:ss");
+            var timeColor = "deepskyblue1";          // dark-ish blue
+            var prefixColor = "lightpink1";          // light magenta
+            var msgColor = MapConsoleColor(log.Color);
+
+            var line =
+            $"[{timeColor}]{Escape(time)}[/] " +
+            $"[{prefixColor}]{Escape(log.Prefix)}[/] " +
+            $"[{msgColor}]{Escape(log.Message)}[/]";
+
+            rows.Add(new Markup(line));
+        }
+
+        IRenderable content =
+        rows.Count == 0
+            ? new Markup("[grey]No log messages yet.[/]")
+            : new Rows(rows);
+
+        var panel = new Panel(content)
+        {
+            Header = new PanelHeader("Log", Justify.Left),
+            Border = BoxBorder.Rounded,
+            Expand = true
+        };
+
+        return panel;
+    }
+
+
+    private static IRenderable BuildButtonsPanel()
+    {
+        // Visual [ Cancel ] button; key handling is in RunInputLoopAsync
+        var text = new Markup("[bold white on red] Cancel [/]");
+        var grid = new Grid();
+        grid.AddColumn(new GridColumn().Centered());
+        grid.AddRow(text);
+
+        var panel = new Panel(grid)
+        {
+            Border = BoxBorder.Rounded,
+            Header = new PanelHeader("Actions", Justify.Left),
+            Expand = true
+        };
+
+        return panel;
+    }
+
+    // ---- Helpers ----
+
+    private static string Escape(string value) =>
+        value is null ? string.Empty : Markup.Escape(value);
+
+    private static string MapConsoleColor(ConsoleColor color) =>
+        color switch
+        {
+            ConsoleColor.Black => "black",
+            ConsoleColor.DarkBlue => "navy",
+            ConsoleColor.DarkGreen => "green",
+            ConsoleColor.DarkCyan => "teal",
+            ConsoleColor.DarkRed => "maroon",
+            ConsoleColor.DarkMagenta => "purple",
+            ConsoleColor.DarkYellow => "olive",
+            ConsoleColor.Gray => "silver",
+            ConsoleColor.DarkGray => "grey",
+            ConsoleColor.Blue => "blue",
+            ConsoleColor.Green => "lime",
+            ConsoleColor.Cyan => "aqua",
+            ConsoleColor.Red => "red",
+            ConsoleColor.Magenta => "fuchsia",
+            ConsoleColor.Yellow => "yellow",
+            ConsoleColor.White => "white",
+            _ => "white"
+        };
+
+    /// <summary>
+    /// Renders a horizontal gradient bar (blue → yellow → green) for the given progress [0..1].
+    /// </summary>
+    private static string RenderGradientBar(double progress, int width)
+    {
+        progress = Math.Clamp(progress, 0.0, 1.0);
+        if (width <= 0)
+            return string.Empty;
+
+        int filled = (int)Math.Round(progress * width);
+        int empty = width - filled;
+
+        if (filled <= 0)
+            return $"[grey]{new string('─', width)}[/]";
+
+        // Split filled part into three segments: blue / yellow / green
+        // low progress: mostly blue; mid: yellow; high: green
+        int blueCount = (int)Math.Round(filled * 0.33);
+        int yellowCount = (int)Math.Round(filled * 0.34);
+        int greenCount = filled - blueCount - yellowCount;
+
+        var sb = new StringBuilder();
+
+        if (blueCount > 0)
+        {
+            sb.Append("[blue]");
+            sb.Append(new string('█', blueCount));
+            sb.Append("[/]");
+        }
+
+        if (yellowCount > 0)
+        {
+            sb.Append("[yellow]");
+            sb.Append(new string('█', yellowCount));
+            sb.Append("[/]");
+        }
+
+        if (greenCount > 0)
+        {
+            sb.Append("[green]");
+            sb.Append(new string('█', greenCount));
+            sb.Append("[/]");
+        }
+
+        if (empty > 0)
+        {
+            sb.Append("[grey]");
+            sb.Append(new string('─', empty));
+            sb.Append("[/]");
+        }
+
+        return sb.ToString();
+    }
+
+    // ---- Types & disposal ----
+
+    private readonly record struct ProgressEntry(
+        string Name,
+        double Progress,
+        TimeSpan Eta,
+        double Speed)
+    {
+        public static ProgressEntry Empty => new(string.Empty, 0.0, TimeSpan.Zero, 0.0);
+    }
+
+    private readonly record struct LogEntry(
+        DateTime Timestamp,
+        string Prefix,
+        ConsoleColor Color,
+        string Message);
+
+    public void Dispose()
+    {
+        _cts.Cancel();
+        try
+        {
+            _uiTask?.Wait(500);
+            _inputTask?.Wait(500);
+        }
+        catch
+        {
+            // ignore
+        }
+        _cts.Dispose();
+    }
+
+    private sealed class DynamicGradientBar : IRenderable
+    {
+        private readonly double _progress;
+
+        public DynamicGradientBar(double progress)
+        {
+            _progress = Math.Clamp(progress, 0, 1);
+        }
+
+        public Measurement Measure(RenderOptions options, int maxWidth)
+        {
+            // Use the full width Spectre gives us
+            var width = Math.Max(1, maxWidth);
+            return new Measurement(width, width);
+        }
+
+        public IEnumerable<Segment> Render(RenderOptions options, int maxWidth)
+        {
+            var width = Math.Max(1, maxWidth);
+
+            // Your gradient bar string WITH markup
+            var bar = RenderGradientBar(_progress, width);
+
+            // Wrap it in a Markup renderable
+            var markup = new Markup(bar);
+
+            // Correct: delegate rendering to Markup
+            foreach (var segment in ((IRenderable)markup).Render(options, maxWidth))
+                yield return segment;
+        }
+    }
+
+}

TextLogger.cs

@@ -0,0 +1,18 @@
+namespace splitter;
+
+public class TextLogger() : ILogger
+{
+    readonly object _consoleLock     = new();
+
+    public void Log(string prefix, ConsoleColor color, string msg)
+    {
+        lock (_consoleLock)
+        {
+            Console.WriteLine($"{prefix} {msg}");
+        }
+    }
+
+    public void DrawProgress(string name, int progressLine, double progress, TimeSpan eta, double speed) {}
+    public void ClearProgress(int progressLevel){}
+
+}

TrackingSplitter.cs

@@ -56,7 +56,7 @@ public class TrackingSplitter : LoggingBase, ISegmentProcessor, IDisposable
         var originalCropWidth  = _cropWidth;
         var originalCropHeight = _cropHeight;
 
-        Console.WriteLine($"[TrackingSplitter] skip={skip}, duration={duration}, fps={fps}, totalFrames={totalFrames}");
+        LogInfo($"[TrackingSplitter] skip={skip}, duration={duration}, fps={fps}, totalFrames={totalFrames}");
 
         var encWidth  = _debugOverlay ? videoWidth  : originalCropWidth;
         var encHeight = _debugOverlay ? videoHeight : originalCropHeight;

splitter.cs

@@ -1,20 +1,58 @@
 using System.Diagnostics;
 using System.Globalization;
 using System.Text;
+using Spectre.Console;
 using splitter;
 
 static class Program
 {
     private static ILogger _logger = null!;
-    static async Task Main(string[] args)
+    static async Task<int> Main(string[] args)
     {
+        Task? uiTask = null;
+
         var cmd = new CommandLine(args);
-        _logger = new Logger(cmd);
+        if ( !cmd.IsValid)
-        
+            return -1;
+
+        if (cmd.PlainText)
+        {
+            _logger = new TextLogger();
+        }
+        else
+        {
+            Console.SetBufferSize(Console.WindowWidth, Console.BufferHeight);
+
+            var logger = new SpectreConsoleLogger
+            {
+                Title = "Splitter",
+                NumberOfProcesses = cmd.SingleThreaded ? 1 : Math.Max(1, Environment.ProcessorCount / 2)
+            };
+            _logger = logger;
+
+            using var cts = new CancellationTokenSource();
+
+            uiTask = logger.RunAsync(cts.Token);
+        }
+
+        var success = await ProcessAll(cmd);
+
+        if (uiTask != null)
+        {
+            await uiTask;
+        }
+        if (_logger is IDisposable disposable)
+            disposable.Dispose();
+
+        return success ? 1 : 0;
+    }
+
+    private static async Task<bool> ProcessAll(CommandLine cmd)
+    {
         if (!File.Exists(cmd.InputFile))
         {
             LogError("Input file not found.");
-            return;
+            return false;
         }
 
         if (!Directory.Exists(cmd.OutputFolder))
@@ -28,7 +66,7 @@ static class Program
         if (duration <= 0)
         {
             LogError("Could not read duration.");
-            return;
+            return false;
         }
 
         var target = cmd.OverrideTargetDuration ?? 58.0;
@@ -58,7 +96,7 @@ static class Program
             LogInfo(cmd.ForceFixed
                 ? $"Fixed segment length: {segmentLength:F2}s (last may be shorter)"
                 : $"Equalized segment length: {segmentLength:F2}s");
-            return;
+            return false;
         }
 
         LogInfo($"Duration: {duration:F2}s");
@@ -95,6 +133,7 @@ static class Program
         }
 
         LogInfo("Done.");
+        return true;
     }
 
     private static void LogInfo(string message)

splitter.csproj

@@ -45,6 +45,7 @@
     <PackageReference Include="Microsoft.ML.OnnxRuntime.DirectML" Version="1.24.4" />
     <PackageReference Include="OpenCvSharp4" Version="4.13.0.20260427" />
     <PackageReference Include="OpenCvSharp4.runtime.win" Version="4.13.0.20260302" />
+    <PackageReference Include="Spectre.Console" Version="0.55.2" />
     <PackageReference Include="UltraFaceDotNet" Version="1.0.0.2" />
   </ItemGroup>