Initial AmiReel application

README.md

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+# AmiReel
+
+Windows WPF replacement for `amigadb-render.sh`. The first milestone implements:
+
+- multiple ordered AVI inputs;
+- 3840×2160 at 50 FPS;
+- automatic NVIDIA NVENC detection with libx264 fallback;
+- configurable trim, fade and end-card hold;
+- PNG/JPG screenshots at a configurable interval;
+- animated WebP screenshot preview;
+- optional custom paths for `ffmpeg.exe` and `ffprobe.exe`;
+- non-fatal missing thumbnails;
+- live FFmpeg log, progress and cancellation;
+- one-file Windows publishing with embedded FFmpeg and FFprobe.
+
+## Build
+
+Requirements:
+
+- Windows 10/11 x64
+- .NET 8 SDK
+- matching Windows x64 `ffmpeg.exe` and `ffprobe.exe` in `ThirdParty`
+
+Development build (does not require FFmpeg until render is started):
+
+```powershell
+dotnet build .\AmigaDB.VideoRenderer.csproj
+```
+
+Portable publish:
+
+```powershell
+.\publish-win-x64.ps1
+```
+
+The publish target intentionally fails when either FFmpeg executable is absent,
+preventing creation of an application that cannot render.
+
+## Distribution and FFmpeg
+
+The application embeds the selected FFmpeg binaries and extracts them into its
+private local runtime cache. Include the license and source/build offer required
+by the exact FFmpeg distribution you choose. Do not remove its copyright and
+licensing notices.
+
+If you prefer not to use the embedded binaries at runtime, you can point the UI
+at external `ffmpeg.exe` and `ffprobe.exe` files. Those paths are saved in the
+user settings file under `%LOCALAPPDATA%\AmiReel\settings.json`.