#!/bin/bash

if [[ -z "$1" ]]; then
  printf 'Need an input file.\n' >&2
  exit 1
fi

if [[ ! -f "$1" ]]; then
  printf '%s doesnt exist.\n' >&2 "$1"
  exit 1
fi

full_filename="$1"
filename=$(basename -- "$1")
output_file="${filename%.*}.webm"
log1="/dev/shm/${filename%.*}.log1"
log2="/dev/shm/${filename%.*}.log2"

read width height < <(mediainfo --Output=JSON "$full_filename" | jq -r '.media.track[] | select(."@type"=="Video") | .Width + " " + .Height')

aomenc -o "$output_file" --codec=av1 --passes=3 --pass=1 --fpf="$log1" \
       -v --webm -u 0 -t 24 --enable-dnl-denoising=0 --denoise-noise-level=5 \
       --target-bitrate=50000 "$full_filename" -w "$width" -h "$height"
if [[ $? != 0 ]]; then
  printf 'oops\n' >&2
  exit 1
fi

aomenc -o "$output_file" --codec=av1 --passes=3 --pass=2 --fpf="$log1" \
       -spf "$log2" -v --webm -u 0 -t 24 --enable-dnl-denoising=0 \
       --denoise-noise-level=5 --target-bitrate=50000 "$full_filename"
if [[ $? != 0 ]]; then
  printf 'oops\n' >&2
  exit 1
fi

aomenc -o "$output_file" --codec=av1 --passes=3 --pass=3 --fpf="$log1" \
       -spf "$log2" -v --webm -u 0 -t 24 --enable-dnl-denoising=0 \
       --denoise-noise-level=5 --target-bitrate=50000 "$full_filename"
if [[ $? != 0 ]]; then
  printf 'oops\n' >&2
  exit 1
fi