func main() {
maxfreq := flag.Float64("maxfreq", 440, "max freq for sweep")
// sinchg := flag.Float64("sinchgrate", 15, "chg rate for sin wav")
bufsize := flag.Int("bufsize", 4096, "buffer size")
t := flag.Int64("time", 15000, "milliseconds")
flag.Parse()
fmt.Println("start!")
var s0 ugen.UGen = ugen.NewSin(float32(*maxfreq), 0, 0, 1)
// var s1 ugen.UGen = ugen.NewSin(1004, 0, 0, 1)
// var s2 ugen.UGen = ugen.NewSin(1008, 0, 0, 1)
// var s3 ugen.UGen = ugen.NewSin(1016, 0, 0, 1)
// var sp ugen.UGen = ugen.NewSin(float32(*sinchg), 0, 440, float32(*maxfreq - 440))
// ml := ugen.NewMixer(4,2)
//
// ml.SetInput(0, ugen.NewSpreaderWithUGen(2, s0))
// ml.SetInput(1, ugen.NewSpreaderWithUGen(2, s1))
// ml.SetInput(2, ugen.NewSpreaderWithUGen(2, s2))
// ml.SetInput(3, ugen.NewSpreaderWithUGen(2, s3))
// ml.ParamChannel() <- ugen.ParamValue{0, 0.05}
// ml.ParamChannel() <- ugen.ParamValue{1, 0.05}
// ml.ParamChannel() <- ugen.ParamValue{2, 0.05}
// ml.ParamChannel() <- ugen.ParamValue{3, 0.05}
// var ps = ugen.NewAudioParam()
// ps.SetUGenSource(0, sp, 0)
// ps.SetDest(0, s0, 0)
var o = ugen.NewPortAudioOutput(2)
var op = ugen.OutputParams{SampleRate: 44100, BufferSize: *bufsize}
// o.SetInput(0, ml)
o.SetInput(0, ugen.NewSpreaderWithUGen(2, s0))
// ps.Start(op)
o.Start(op)
go func() {
t := time.Tick(time.Second)
for {
<-t
ugen.LogRecycleStats()
// ugen.LogStackTrace()
}
}()
fmt.Println("sleeping!")
time.Sleep(time.Duration(*t) * time.Millisecond)
fmt.Println("stopping!")
o.Stop()
// ps.Stop()
}
func main() {
count := flag.Int("count", 0, "Number of sines")
interval := flag.Float64("interval", 2, "Multiplier for each increment. If <= 1 increase arithmetically, not geometrically")
outch := flag.Int("channels", 2, "channels in output device")
bufsize := flag.Int("bufsize", 4096, "buffer size")
samplerate := flag.Float64("samplerate", 44100, "sample rate")
minfreq := flag.Float64("minfreq", 20, "starting frequency")
maxfreq := flag.Float64("maxfreq", -1, "ending frequency")
t := flag.Int64("time", 15000, "milliseconds")
flag.Parse()
freqs := make([]float32, 0)
if *maxfreq == -1 {
if *count <= 0 {
fmt.Println("No maxfreq, no count. Can't read your mind, human.")
return
}
if *interval > 1 {
for f, i := float32(*minfreq), 0; i < *count; f, i = f*float32(*interval), i+1 {
freqs = append(freqs, f)
}
} else {
for f, i := float32(*minfreq), 0; i < *count; f, i = f+float32(*minfreq), i+1 {
freqs = append(freqs, f)
}
}
} else {
if *interval > 1 {
for f, i := float32(*minfreq), 0; i < *count && f < float32(*maxfreq); f, i = f*float32(*interval), i+1 {
freqs = append(freqs, f)
}
} else {
for f, i := float32(*minfreq), 0; i < *count && f < float32(*maxfreq); f, i = f+float32(*minfreq), i+1 {
freqs = append(freqs, f)
}
}
}
fmt.Println("frequencies", freqs)
mx := ugen.NewMixer(len(freqs), *outch)
for i := 0; i < len(freqs); i++ {
mx.SetInput(i, ugen.NewSpreaderWithUGen(*outch, ugen.NewSin(freqs[i], 0, 0, 1/float32(len(freqs)))))
}
fmt.Println("start!")
var o = ugen.NewPortAudioOutput(*outch)
var op = ugen.OutputParams{SampleRate: *samplerate, BufferSize: *bufsize}
o.SetInput(0, mx)
o.Start(op)
go func() {
t := time.Tick(time.Second)
for {
<-t
ugen.LogRecycleStats()
// ugen.LogStackTrace()
}
}()
fmt.Println("sleeping!")
time.Sleep(time.Duration(*t) * time.Millisecond)
fmt.Println("stopping!")
o.Stop()
}