Add Shorts wizard and v4 video-style pipeline

Turn the Shorts tab into a step-by-step wizard and port amigadb-short-fx-v4.sh: Video background style, auto/manual crop, source fade-in, and blur/opacity/margin settings.
2026-08-15 17:59:18 +02:00
parent 58e11ba4e3
commit 8a734d58d9
10 changed files with 1911 additions and 145 deletions
@@ -0,0 +1,63 @@
+namespace AmiReel.Models;
+
+/// <summary>One page of the Shorts create-wizard. Extra effect pages are inserted only when the style needs them.</summary>
+public enum ShortWizardStep
+{
+    Clip,
+    Effect,
+    StyleOptions,
+    Titles,
+    Encode,
+}
+
+/// <summary>Builds the Shorts wizard page list for a chosen visual style.</summary>
+public static class ShortWizard
+{
+    public static IReadOnlyList<ShortWizardStep> StepsFor(ShortStyle style)
+    {
+        List<ShortWizardStep> steps = [ShortWizardStep.Clip, ShortWizardStep.Effect];
+        if (NeedsStyleOptions(style))
+            steps.Add(ShortWizardStep.StyleOptions);
+        steps.Add(ShortWizardStep.Titles);
+        steps.Add(ShortWizardStep.Encode);
+        return steps;
+    }
+
+    public static bool NeedsStyleOptions(ShortStyle style) =>
+        style is ShortStyle.Brand or ShortStyle.Video;
+
+    public static string Title(ShortWizardStep step) => step switch
+    {
+        ShortWizardStep.Clip => "Source clip",
+        ShortWizardStep.Effect => "Visual effect",
+        ShortWizardStep.StyleOptions => "Effect settings",
+        ShortWizardStep.Titles => "Title card",
+        ShortWizardStep.Encode => "Encoding",
+        _ => "Short",
+    };
+
+    public static string Description(ShortStyle style) => style switch
+    {
+        ShortStyle.Brand => "Title-card background image with a framed source clip.",
+        ShortStyle.Pixel => "Pixelated backdrop with neon scan bars.",
+        ShortStyle.Mirror => "Reflected source strips above and below the clip.",
+        ShortStyle.Crop => "Full-frame vertical crop of the source.",
+        ShortStyle.Workbench => "Workbench-style window around the source.",
+        ShortStyle.Blur => "Blurred backdrop with a centered source.",
+        ShortStyle.Crt => "CRT curvature, scanlines, and a rolling highlight.",
+        ShortStyle.Copper => "Amiga copper bars behind the source.",
+        ShortStyle.Stars => "Twinkling star field behind a framed clip.",
+        ShortStyle.Grid => "Neon grid horizon behind the source.",
+        ShortStyle.Tiles => "Four-tile mirrored backdrop.",
+        ShortStyle.Scan => "Chunky scanlines and moving bars.",
+        ShortStyle.Starfield => "Fast-moving star streaks.",
+        ShortStyle.Plasma => "Demoscene plasma backdrop.",
+        ShortStyle.Rasterbars => "Classic raster bars above and below the clip.",
+        ShortStyle.Vhs => "Tape noise, chroma shift, and scanlines.",
+        ShortStyle.Monitor => "CRT monitor bezel around the source.",
+        ShortStyle.Split => "Split-band source strips around the main clip.",
+        ShortStyle.Spectrum => "Scrolling audio spectrum. The source video must have audio.",
+        ShortStyle.Video => "Looping background video with the Amiga clip overlaid.",
+        _ => "",
+    };
+}