Frame Player

Frame Player is a frame-first cross-platform video review tool for exact stepping, seeking, compare review, loop review, and export workflows.

Downloads

Release track	Platform	Current release	Download
Stable (Unified)	Windows x64 and Apple Silicon macOS	v2.1.1	Frame Player v2.1.1
Beta	macOS Intel x64	v2.1.1-beta.1	FramePlayer-macOS-x64-2.1.1-beta.1.zip

Frame Player v2.1.1 is the universal Avalonia application for Windows x64 and Apple Silicon macOS. Release notes: minor UI fixes.

Quality Evidence

These indicators are live measurements for main. The security policy and security and quality baseline describe the scope and release controls behind them.

Highlights

• Exact frame stepping and frame jumps based on decoded display-order frame identity.
• Single-pane and two-pane compare review for original vs processed media.
• Pane-local and shared transport controls with timeline scrubbing and frame entry.
• A/B loop playback with clip export and side-by-side compare export.
• Audio playback when supported, with video-only fallback for silent or unsupported audio.
• Recent files, diagnostics export, Video Info, About, and Help surfaces.
• Bundled pinned FFmpeg runtimes; no Homebrew or external FFmpeg install required for released apps.

Documentation

• Wiki: user guide, shortcuts, troubleshooting, build notes, validation, and security notes.
• All releases: Current unified stable downloads and historical artifacts.
• Release checklist: release validation steps.
• Security policy: supported versions and reporting process.
• Third-party notices: FFmpeg and runtime licensing notes.

Build From Source

dotnet build src/FramePlayer.Avalonia/FramePlayer.Avalonia.csproj -c Release
dotnet test tests/FramePlayer.Core.Tests/FramePlayer.Core.Tests.csproj -c Release
dotnet test tests/FramePlayer.Avalonia.Tests/FramePlayer.Avalonia.Tests.csproj -c Release --filter "Category!=ReleaseCandidate"

See the Wiki build guide for runtime staging, corpus validation, signing, and notarization details.

Release Tracks

• Frame Player v2.1.1 has one Avalonia codebase and one release line for both supported stable platforms.
• Frame Player v2.1.1-beta.1 provides a macOS Intel x64 beta from the same Avalonia application.

License

Frame Player source is licensed under MIT. Third-party runtime and FFmpeg notices are documented in THIRD_PARTY_NOTICES.md.