wiki/docs/media/vapoursynth.md

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Vapoursynth

Limit memory usage

:::python3
core.max_cache_size = 1000

Basic encoding options for 10 bit

x265

x265 only outputs to its own bistream format.

:::shell
vapoursynth sh -c 'vspipe --y4m script.vpy - | x265 --y4m -D 10 --preset slow --crf 18 -o output.265 -'

x264

Unlike x265, x264 supports mkv containers as output.

:::shell
vapoursynth sh -c 'vspipe --y4m script.vpy - | x264 --demuxer y4m --profile high10 --input-depth 10 --output-depth 10 --preset slow --crf 18 -o output.mkv -'