#!/usr/bin/env bash

set -euxo pipefail

cd "$(dirname -- "$(readlink -f -- "$0")")"

find . -type f -name 'twitcast*.ts' -print0 |
    while IFS= read -r -d '' ts_file; do
        if [ -f "${ts_file%.*}.mp4" ]; then
            continue
        fi
        if MP4Box -add "$ts_file" "${ts_file%.*}.mp4"; then
            touch -r "$ts_file" "${ts_file%.*}.mp4"
            rm "$ts_file"
        else
            rm -f "${ts_file%.*}.mp4"
            echo "MP4Box errored!"
            exit 1
        fi
    done