#!/usr/bin/env bash

# Convert h264 (or something else) to high-quality av1.
# h264 audio must be opus.

F="${1:?need arg1 to be set to input .mkv}"
OUT="${1%.mkv}.webm"

ffmpeg \
    -i "$F" \
    -map 0 \
    -c:a copy \
    -c:v libsvtav1 \
    -preset 6 \
    -crf 28 \
    -pix_fmt yuv420p10le \
    "$OUT"