Recorder for ustream.tv. usage: ustream.sh CHANNELID [loop]

ustreamtv.sh

#!/bin/bash
# coding: utf-8
# ustreamtv.sh by fcicq

(jq --version 1>/dev/null 2>&1) || (echo 'install jq first'; exit)
(livestreamer --version 1>/dev/null 2>&1) || (echo 'install livestreamer first (run pip/pip3 install livestreamer)'; exit)
if [ -n "$1" ]; then
    id=$(echo "$1" | sed 's|^.*/||g')
    while true; do
        while true; do
            (curl -s "https://api.ustream.tv/channels/$id.json" | jq ".channel | {id: .id, status:.status}" | grep "live") && break
            echo "Not Alive, Sleeping $(date +'%F_%H-%M-%S')"
            sleep 30
        done
        fname="${id}_$(date +'%F_%H-%M-%S').ts"
        url="http://iphone-streaming.ustream.tv/uhls/$id/streams/live/playlist.m3u8"
        livestreamer --hls-segment-threads 3 --hls-segment-timeout 1.5 --http-timeout 1.5 -o "$fname" "hlsvariant://$url" best
        # ffmpeg -nostdin -i "$url" \
        #       -vcodec copy -acodec copy -f mpegts "$fname"
        if [ "$2" != "loop" ]; then
            break
        fi
    done
else
    echo "usage: $0 cid"
fi