AVAL: A new open-source format for interactive video on the web

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AVAL · Interactive video for the web

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Key features

Deterministic state graph

Package named states, authored triggers, and latest-wins routing in the asset.

Frame-accurate routes

Start transitions on authored content frames using portals, finishes, cuts, and reversals.

Seekless loops

Keep the decoder timeline moving forward across loop seams instead of seeking.

Packed-alpha transparency

Composite transparent prerendered motion with a packed-alpha WebGL2 renderer.

Web-native runtime

Decode with WebCodecs and present with WebGL2, without a mandatory WASM runtime.

Progressive fallback

Keep host-owned fallback markup available for unsupported or reduced-motion contexts.

aval interactive video authored keep packed

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