{ pkgs, ... }:
pkgs.writeShellScriptBin "roc-send-pcm" ''
  FORMAT=$1
  RATE=$2
  CHANNELS=$3
  IP_ADDR=$4

  ${pkgs.ffmpeg}/bin/ffmpeg -f $FORMAT -ar $RATE -ac $CHANNELS -i /dev/stdin -f wav -y /dev/stdout | ${pkgs.roc-toolkit-patched}/bin/roc-send --source "rtp:$IP_ADDR:10001" --driver wav /dev/stdin
''