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/*
Copyright (C) 2019 Leo Tenenbaum
This file is part of AutoArt.
AutoArt 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.
AutoArt 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 AutoArt. If not, see <https://www.gnu.org/licenses/>.
*/
package main
import (
"bufio"
"os"
"github.com/pommicket/autoart/autoart"
"github.com/pommicket/autoart/autoutils"
"fmt"
"math/rand"
"time"
)
func generateAudio(seed int64, length int64, sampleRate int64, functionLength int64, number int64) error {
rand.Seed(seed)
dir := fmt.Sprintf("autoaudio%v", seed)
err := os.MkdirAll(dir, 0700)
if err != nil { return err }
err = autoutils.RunInBatches(number, "Generating audio...", func (n int64, errs chan<- error) {
filename := fmt.Sprintf("%v/%09d.wav", dir, n)
file, err := os.Create(filename)
if err != nil {
errs <- err
return
}
err = autoart.GenerateAudio(file, float64(length), int32(sampleRate), int(functionLength), autoart.MOD)
if err != nil {
errs <- err
return
}
errs <- file.Close()
})
if err != nil { return err }
fmt.Println("Done. Your audio is in this directory:", dir)
return nil
}
func autoAudio(reader *bufio.Reader) error {
prompt := `How many options do you want?
1. None - Just make some audio
2. Some - Basic options
3. All - Advanced options
Please enter 1, 2, or 3 (default: 1): `
option, err := readInt64(reader, prompt, func (i int64) bool {
return i >= 1 && i <= 3
}, 1)
if err != nil {
return err
}
t := time.Now().UTC().UnixNano()
if option == 1 {
filename := fmt.Sprintf("autoaudio%v.wav", t)
rand.Seed(t)
file, err := os.Create(filename)
if err != nil { return err }
err = autoart.GenerateAudio(file, 60, 44100, 80, autoart.MOD)
if err != nil { return err }
fmt.Println("Generated audio:", filename)
return nil
}
positive := func (i int64) bool { return i > 0 }
length, err := readInt64(reader, "Length in seconds (default: 60)? ", positive, 60)
if err != nil { return err }
number, err := readInt64(reader, "Number (default: 1)? ", positive, 1)
if err != nil { return err }
if option == 2 {
return generateAudio(t, length, 44100, 80, number)
}
sampleRate, err := readInt64(reader, "Sample rate (default: 44100)? ", positive, 44100)
if err != nil { return err }
functionLength, err := readInt64(reader, "Function length (default: 80)? ", positive, 80)
if err != nil { return err }
seed, err := readInt64(reader, "Random seed (default: current time)? ", positive, t)
if err != nil { return err }
return generateAudio(seed, length, sampleRate, functionLength, number)
}
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