====== ffmpeg - Conversions - Convert 4k(h.264) to 1080(h.265) ======

Downscaling + Change in compression codec

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<code bash>
ffmpeg -i input.mp4 -c:v libx265 -vtag hvc1 -vf scale=1920:1080 -crf 20 -c:a copy output.mp4
</code>