Improve crop editor and copy publish output to dist

Add resize handles, zoom, view brightness, and a multi-frame still strip. Keep the crop box on mouse-up, and copy AmiReel.exe to dist.
2026-08-15 22:59:20 +02:00
parent 323324d713
commit e635b708a2
10 changed files with 801 additions and 96 deletions
@@ -160,6 +160,62 @@ public sealed class ShortsPipeline
        await _runner.RunAsync(tools.Ffmpeg, BuildExtractFrameArguments(inputFile, start, outputPath), log, null, token);
    }

+    /// <summary>Writes several raw source frames across the clip so the crop editor can switch stills.</summary>
+    public async Task<IReadOnlyList<string>> ExtractSourceFramesAsync(
+        string inputFile,
+        string start,
+        IReadOnlyList<double> offsetsSeconds,
+        string ffmpegPath,
+        string ffprobePath,
+        string outputDirectory,
+        Action<string> log,
+        CancellationToken token)
+    {
+        if (string.IsNullOrWhiteSpace(inputFile) || !File.Exists(inputFile))
+            throw new FileNotFoundException("Select a valid source video for the Short.");
+        if (offsetsSeconds.Count == 0)
+            throw new ArgumentException("At least one preview offset is required.");
+
+        Directory.CreateDirectory(outputDirectory);
+        ToolPaths tools = await ToolExtractor.ResolveAsync(ffmpegPath, ffprobePath, token);
+        List<string> paths = [];
+        for (int index = 0; index < offsetsSeconds.Count; index++)
+        {
+            string seek = AddTimestampOffset(start, offsetsSeconds[index]);
+            string path = Path.Combine(outputDirectory, $"frame-{index:00}.png");
+            log($"Extracting crop preview {index + 1} of {offsetsSeconds.Count} ({seek})...");
+            await _runner.RunAsync(tools.Ffmpeg, BuildExtractFrameArguments(inputFile, seek, path), log, null, token);
+            paths.Add(path);
+        }
+
+        return paths;
+    }
+
+    internal const int CropPreviewFrameCount = 6;
+
+    internal static IReadOnlyList<double> CropPreviewOffsets(double durationSeconds, int count = CropPreviewFrameCount)
+    {
+        if (count <= 1 || durationSeconds <= 0)
+            return [0];
+
+        double last = Math.Max(0, durationSeconds - 0.15);
+        if (last <= 0)
+            return [0];
+
+        double[] offsets = new double[count];
+        for (int index = 0; index < count; index++)
+            offsets[index] = Math.Round(last * index / (count - 1), 3, MidpointRounding.AwayFromZero);
+        return offsets;
+    }
+
+    internal static string FormatPreviewOffsetLabel(double seconds)
+    {
+        TimeSpan value = TimeSpan.FromSeconds(Math.Max(0, seconds));
+        return value.TotalHours >= 1
+            ? value.ToString(@"h\:mm\:ss", CultureInfo.InvariantCulture)
+            : value.ToString(@"m\:ss", CultureInfo.InvariantCulture);
+    }
+
    internal static List<string> BuildExtractFrameArguments(string inputFile, string start, string outputPath) =>
    [
        "-hide_banner",