#!/bin/bash

#Use ffprobe to find .mkv files with h264 encoding:

ffBin="/usr/bin/"
parentDir=$1
destDir="/tmp/transcode/"
mkdir -p "$destDir"
while read -r line;
do
 codec="$( $ffBin/ffprobe -loglevel error -select_streams v:0 -show_entries \
        stream=codec_name -of default=noprint_wrappers=1:nokey=1 "$line" )"
  if ! [[ $codec == *"av1"* ]]
  then
    echo "$line" >>"$destDir/list.txt"
  fi
done<<<"$( find "$parentDir" -name "*.mkv" -print )"