av/cmd/soundcheck/main.go

/*
AUTHORS
  Trek Hopton <trek@ausocean.org>

LICENSE
  Copyright (C) 2020 the Australian Ocean Lab (AusOcean)

  It is free software: you can redistribute it and/or modify them
  under the terms of the GNU General Public License as published by the
  Free Software Foundation, either version 3 of the License, or (at your
  option) any later version.

  It is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  for more details.

  You should have received a copy of the GNU General Public License
  in gpl.txt.  If not, see http://www.gnu.org/licenses.
*/

// Package soundcheck is a program for switching a transducer from playing to recording audio.
package main

import (
	"flag"
	"fmt"
	"log"
	"os/exec"
	"time"
)

func main() {
	var pTime time.Duration
	var rTime time.Duration
	var path string
	flag.DurationVar(&pTime, "ptime", 60, "duration to play audio")
	flag.DurationVar(&rTime, "rtime", 20, "duration to record audio")
	flag.StringVar(&path, "path", "", "path to sound file we wish to play")
	flag.Parse()

	loopCmd := exec.Command("../looper/looper", path)
	rvCmd := exec.Command("../rv/rv")
	for {
		if err := loopCmd.Start(); err != nil {
			log.Fatal(err)
		}
		time.Sleep(pTime)
		if err := loopCmd.Process.Kill(); err != nil {
			fmt.Println("failed to kill process: ", err)
		}

		if err := rvCmd.Start(); err != nil {
			log.Fatal(err)
		}
		time.Sleep(rTime)
		if err := rvCmd.Process.Kill(); err != nil {
			fmt.Println("failed to kill process: ", err)
		}
	}
}