gistfile1.sh

#!/usr/bin/env bash

source venv/bin/activate

echo "Starting to save ROC"
gst-launch-1.0 alsasrc ! audio/x-raw,channels=2,rate=48000 ! audioconvert ! audioconvert ! queue min-threshold-bytes=96000 max-size-bytes=192000 ! opusenc bitrate=128000 inband-fec=true frame-size=20 ! oggmux max-delay=100 ! filesink location=roc.opus >/dev/null &
gstpid="$!"

sleep 30

echo "Starting to save icecast"
curl -Ss http://peppuli.idm.wappuradio.fi/wappuradio1.opus -o icecast.opus &
curlpid="$!"

sleep 30

echo "Killing streams"
kill "$gstpid"
kill "$curlpid"

echo "Comparing"
# https://github.com/bbc/audio-offset-finder
audio-offset-finder --find-offset-of icecast.opus --within roc.opus