/
main.go
49 lines (41 loc) · 907 Bytes
/
main.go
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package main
import (
"fmt"
"log"
"os"
"time"
"github.com/faiface/beep"
"github.com/faiface/beep/effects"
"github.com/faiface/beep/mp3"
"github.com/faiface/beep/speaker"
)
func main() {
f, err := os.Open("../Miami_Slice_-_04_-_Step_Into_Me.mp3")
if err != nil {
log.Fatal(err)
}
streamer, format, err := mp3.Decode(f)
if err != nil {
log.Fatal(err)
}
defer streamer.Close()
speaker.Init(format.SampleRate, format.SampleRate.N(time.Second/10))
ctrl := &beep.Ctrl{Streamer: beep.Loop(-1, streamer), Paused: false}
volume := &effects.Volume{
Streamer: ctrl,
Base: 2,
Volume: 0,
Silent: false,
}
speedy := beep.ResampleRatio(4, 1, volume)
speaker.Play(speedy)
for {
fmt.Print("Press [ENTER] to pause/resume. ")
fmt.Scanln()
speaker.Lock()
ctrl.Paused = !ctrl.Paused
volume.Volume += 0.5
speedy.SetRatio(speedy.Ratio() + 0.1)
speaker.Unlock()
}
}