vapoursynth-interlace is an open-source plugin for VapourSynth that converts progressive video to interlaced format using the BBC WHP 315 optimal vertical-temporal prefilter. It is designed for developers and video engineers who need to prepare video content for broadcast or legacy systems requiring interlaced video.
In the Frameworks & SDKs space, vapoursynth-interlace takes a focused approach. It focuses on converting progressive video sources to interlaced format for broadcast or compatibility purposes. vapoursynth-interlace is an open-source project aimed at video processing developers. The project is open source (GPL-2.0-or-later). It runs on the command line.
Behind vapoursynth-interlace is pblucas, and the product first shipped in 2026. Among its 5 catalogued features are progressive to interlaced, BBC WHP 315 prefilter, and vapourSynth plugin.
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