Launch daemons for streaming a UniFi camera to YouTube

heartbeat.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>Label</key>
        <string>...</string>

        <key>StartInterval</key>
        <integer>30</integer>

        <key>RunAtLoad</key>
        <true/>

        <key>LimitLoadToSessionType</key>
        <array>
            <string>Aqua</string>
            <string>Background</string>
            <string>LoginWindow</string>
            <string>StandardIO</string>
            <string>System</string>
        </array>

        <key>ProgramArguments</key>
        <array>
            <string>/usr/bin/python3</string>
            <string>-c</string>
            <string>import urllib.request, json, sys; response = urllib.request.urlopen("https://youtube.googleapis.com/youtube/v3/videos?id=...&key=...&part=snippet&fields=items.snippet.liveBroadcastContent").read().decode(); json.loads(response)["items"][0]["snippet"]["liveBroadcastContent"] == "live" and urllib.request.urlopen("https://uptime.betterstack.com/api/v1/heartbeat/...")</string>
        </array>

        <key>WorkingDirectory</key>
        <string>/Users/eigenein/Downloads</string>

        <key>UserName</key>
        <string>eigenein</string>
    </dict>
</plist>

offline.sh

# Backup stream for maintainance works:
ffmpeg -f image2 -loop 1 -i "Cover 2304p.png" -re -f lavfi -i anullsrc -vf format=yuv420p -c:v libx264 -c:a aac -f flv "rtmp://b.rtmp.youtube.com/live2/...?backup=1"

stream.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>Label</key>
        <string>...</string>

        <key>KeepAlive</key>
        <true/>

        <key>RunAtLoad</key>
        <true/>

        <key>ThrottleInterval</key>
        <integer>20</integer>

        <key>LimitLoadToSessionType</key>
        <array>
            <string>Aqua</string>
            <string>Background</string>
            <string>LoginWindow</string>
            <string>StandardIO</string>
            <string>System</string>
        </array>

        <key>ProgramArguments</key>
        <array>
            <string>/opt/homebrew/bin/ffmpeg</string>

            <string>-nostdin</string>

            <string>-t</string>
            <string>12:00:00</string>

            <string>-i</string>
            <string>rtsps://192.168.1.1:7441/...?enableSrtp</string>

            <string>-tune</string>
            <string>zerolatency</string>

            <string>-map</string>
            <string>0:2</string>

            <string>-c:v</string>
            <string>copy</string>

            <string>-map</string>
            <string>0:0</string>

            <string>-c:a</string>
            <string>aac_at</string>

            <string>-f</string>
            <string>flv</string>

            <string>-xerror</string>

            <string>-err_detect</string>
            <string>ignore_err</string>

            <string>-loglevel</string>
            <string>level+warning</string>

            <string>-reconnect</string>
            <string>1</string>

            <string>-reconnect_at_eof</string>
            <string>1</string>

            <string>-reconnect_streamed</string>
            <string>1</string>

            <string>-reconnect_delay_max</string>
            <string>20</string>

            <string>-t</string>
            <string>12:00:00</string>

            <string>rtmp://a.rtmp.youtube.com/live2/...</string>
        </array>

        <key>WorkingDirectory</key>
        <string>/Users/.../Downloads</string>

        <key>StandardErrorPath</key>
        <string>/Users/.../Library/Logs/....log</string>

        <key>StandardOutPath</key>
        <string>/Users/.../Library/Logs/....log</string>

        <key>UserName</key>
        <string>eigenein</string>
    </dict>
</plist>