![]() C zscale V->V Apply resizing, colorspace and bit depth tested ffmkv itself with a big upscale in size: ffmkv -preset 'Up to 4K, original audio, 4GB per hour VBR, HDR' input.mkv output.mkvĪudio is Stream Copy VBR, filesize will be greater than estimated. configure string: -enable-libzimgĪnd this will be enough to enable the zscale filter.įFmpeg itself can be tested for presence of the zscale filter: ffmpeg -filters 2> /dev/null |grep zscale This installs a local copy of zimg that FFmpeg will pick up when it is compiled.įollow the full FFmpeg trac guide and when you reach the section where FFmpeg is compiled simply add the following to the. configure -prefix="$HOME/ffmpeg_build" -disable-shared
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