add youtube restreaming, add systemd service files

etc/systemd/system/cccc-youtube.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=cccc youtube restream
+
+[Service]
+Type=simple
+Restart=always
+User=cccc
+Group=cccc
+WorkingDirectory=/opt/cccc
+ExecStart=/opt/cccc/youtube.py
+
+[Install]
+WantedBy=multi-user.target

etc/systemd/system/cccc.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=cccc server
+
+[Service]
+Type=simple
+Restart=always
+User=cccc
+Group=cccc
+WorkingDirectory=/opt/cccc
+ExecStart=/opt/cccc/server.py
+ExecReload=/bin/kill -HUP $MAINPID
+
+[Install]
+WantedBy=multi-user.target

youtube.py

@@ -0,0 +1,32 @@
+#!/usr/bin/python3
+import os
+import json
+import subprocess
+
+config = {
+    'RTMP_URL': "rtmp://a.rtmp.youtube.com/live2",
+    'SRC': 'rtsp://192.168.1.64:554/Streaming/channels/103',
+    'STREAM_KEY': 'not-set'
+}
+with open('youtube.json') as fd:
+    config.update(json.load(fd))
+
+cmd = [
+    'ffmpeg',
+    '-hide_banner',
+    '-i',
+    config['SRC'],
+    '-f', 'lavfi', '-i', 'anullsrc=channel_layout=stereo:sample_rate=44100',
+    '-map', '0:v',
+    '-map', '1:a',
+    '-codec:a', 'libmp3lame',
+    '-threads', '4',
+    '-b:a', '11025',
+    '-bufsize', '1024k',
+    '-fflags', '+genpts',
+    '-c:v', 'copy',
+    '-f', 'flv',
+    '-reconnect', '1',
+    '{RTMP_URL}/{STREAM_KEY}'.format(**config)
+]
+subprocess.check_output(cmd)