func main() {
const buffers = 1
if err := al.OpenDevice(buffers); err != nil {
log.Fatal(err)
}
al.Start()
sine := snd.Sine()
// mod is a modulator; try replacing the nil argument to
// the oscillator with this.
// mod := snd.NewOscil(sine, 200, nil)
osc := snd.NewOscil(sine, 440, nil) // oscillator
al.AddSource(osc)
for range time.Tick(time.Second) {
log.Printf("underruns=%-4v buflen=%-4v tickavg=%-12s drift=%s\n",
al.Underruns(), al.BufLen(), al.TickAverge(), al.DriftApprox())
}
}
package main import ( "math" "time" "dasa.cc/snd" "dasa.cc/snd/al" ) var ( sawtooth = snd.Sawtooth() sawsine = snd.SawtoothSynthesis(8) square = snd.Square() sqsine = snd.SquareSynthesis(49) sine = snd.Sine() triangle = snd.Triangle() notes = snd.EqualTempermant(12, 440, 48) keys [12]Key reverb snd.Sound metronome snd.Sound loop *snd.Loop lowpass *snd.LowPass keymix *snd.Mixer keygain *snd.Gain master *snd.Mixer mastergain *snd.Gain bpm = snd.BPM(80) loopdur = snd.Dtof(bpm.Dur(), snd.DefaultSampleRate) * 8 //nframes