convertvp9.sh

#!/bin/bash
for i in *.ts
    do
        ffmpeg -i "$i" -y -c:v libvpx-vp9 -vf yadif=0:-1:1,decimate -pass 1 -b:v 0 -crf 33 -threads 8 -speed 4 -tile-columns 6 -frame-parallel 1 -an -f webm /dev/null
        ffmpeg -i "$i" -c:v libvpx-vp9 -vf yadif=0:-1:1,decimate -pass 2 -b:v 0 -crf 33 -threads 8 -speed 1  -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -c:a libopus -f webm "${i%ts}webm"
    done