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Comment by pjmlp | Hacker News Reader

This will only handle toy videos, given the browser limitations in sandboxing and 3D rendering.

Not really sure why someone would use this instead of a proper native application.

The goal here is not to replace Premiere Pro across every professional workflow. But it is also not intended to be a toy editor.

Modern browser and GPU capabilities are already sufficient for a large category of practical video editing tasks. We are not targeting blockbuster scale 8K movies at least for now, but we are targeting real jobs people do every day across social, commercial, and non-commercial video production.

Except WebGPU 1.0 isn't modern, it exposes hardware capabilities from a decade ago, better than WebGL 2.0 sure, which is what mobile GPUs were in 2010.

And the sandboxing get up to 4 GB, which in most cases will kill the browser depending on how many tabs are open.

Most real-world edits aren't hitting those limits. Constraint ≠ useless, it just defines the target use case.

Depends on the target audience.

A chrome tab still has 4gb max memory limit right ?

Sure, and most social/video workflows fit comfortably under that. Not everything is 8K RAW timelines.

Much of Tooscut's heavy data lives outside the V8 heap. We use WASM linear memory which is not counted against V8 heap. GPU buffers is in VRAM. Bitmaps are also native allocations.

Also, video files are never fully decoded. We use the browser's native WebCodecs on demand. Only a small buffered window gets decoded and sent to the compositor. So it can even handle long 4K videos.

good info, thanks.

Same argument was made about Figma vs native tools, didn't age well.

Same argument was also made about progressive web apps vs native apps, and the latter are still going quite strong. Idk

Figma is the exception that confirms the rule, and mostly used by Web designers anyway.

Figma made the switch in 2017, and since then, they are still the example that gets brought out because other deployments have been a lot more muted.

Unreal Engine 5 can run in your browser. What "3D rendering" capability is missing for video work?

Unreal Engine 5 can limp on my browser, and usually most demos end up crashing it, not really a good example.

What is the most successful game on the browser, done with Unreal 5 that can compare to Flash 3D games, other than the citadel demo done with Unreal 3, and with Infinity Blade graphics as baseline?

Exactly, crickets.

Photopea wasn't "Photoshop replacement" either, still massively useful.

Imo photopea is a Photoshop replacement, it's just not a professional Photoshop replacement.

It's for everyone who had a pirated version of cs3 on their computer for basic edits.

Never heard of it.

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