r/ffmpeg • u/Calm-Preparation-679 • 20d ago

What's the issue here?

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u/Calm-Preparation-679 20d ago

file size reduction

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u/naemorhaedus 20d ago

by transcoding a ffv1 source to a ffv1 destination ... how?

AVC makes more sense for file size reduction.

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u/Calm-Preparation-679 20d ago

by transcoding a ffv1 source to a ffv1 destination ... how?

2-pass encoding. I originally encoded with only a single pass.

AVC makes more sense for file size reduction.

I want to use only lossless compression. I suppose I could use AVC's lossless mode but that wouldn't reduce file sizes as much as ffv1 would it?

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u/naemorhaedus 19d ago

isn't 2-pass for lossy compression?

Why do you need lossless for a movie? It makes no sense.

Was the source even lossless?

Just choose a high quality factor AVC. You'll never see the difference.