A wrapper script for `transcode-video` with an experimental average variable bitrate (AVBR) ratecontrol system for the x264 encoder.

experimental-x264-avbr-transcode-video.sh

#!/bin/bash
#
# experimental-x264-avbr-transcode-video.sh
#
# Copyright (c) 2013-2019 Don Melton
#

die() {
    echo "$(basename "$0"): $1" >&2
    exit ${2:-1}
}

args=()

while [ "$1" ]; do
    case $1 in
        --encoder|--abr|--simple)
            die "unsupported argument: $1"
            ;;
        *)
            args=("${args[@]}" "$1")
            ;;
    esac
    shift
done

transcode-video \
    --abr \
    --encoder-option '_vbv-maxrate' \
    --encoder-option '_vbv-bufsize' \
    --encoder-option '_nal-hrd' \
    --encoder-option 'ratetol=inf' \
    --encoder-option 'mbtree=0' \
    "${args[@]}"

exit $?