config.go

/*
audiobait - play sounds to lure animals for The Cacophony Project API.
Copyright (C) 2018, The Cacophony Project

This program is free software: you can redistribute it and/or modify
it 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.

This program 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
along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

package main

import (
	"io/ioutil"

	yaml "gopkg.in/yaml.v1"
)

type AudioConfig struct {
	AudioDir      string `yaml:"audio-directory"`
	Card          int    `yaml:"card"`
	VolumeControl string `yaml:"volume-control"`
}

func ParseConfigFile(filename string) (*AudioConfig, error) {
	buf, err := ioutil.ReadFile(filename)
	if err != nil {
		return nil, err
	}

	var audioConfig AudioConfig
	err = yaml.Unmarshal(buf, &audioConfig)
	if err != nil {
		return nil, err
	}
	return &audioConfig, nil
}