func main() {
aArgs := base.GetArgs(map[string]int{})
sCurrentDir, _ := os.Getwd()
base.Dump(aArgs)
base.Dump(sCurrentDir)
oStream := audio.NewStream()
var iSampleRate = 44100
var oRand = rand.New(rand.NewSource(time.Now().Unix()))
var cSamplesWritten = oStream.Start(iSampleRate, time.Duration(100)*time.Millisecond)
defer oStream.Stop()
var oStartTime = time.Now()
//var iCooldownSamples = iSampleRate * 44 / 100;
//var oCooldownDuration = (1000 * time.Duration(iCooldownSamples) / time.Duration(iSampleRate)) * time.Millisecond;
var iNextPlayStart = 0
base.Dump(time.Now())
for {
var iSamplesWritten = <-cSamplesWritten
if iSamplesWritten > iNextPlayStart-5*iSampleRate {
var aSound = SoundA(iSampleRate, time.Duration(2)*time.Second/time.Duration(4), 16, 32)
for iKey := range aSound {
var nWavePart = float64(iKey) / float64(len(aSound))
var nVolume = 0.75 + 0.25*float32(math.Sin(math.Pi*nWavePart))
aSound[iKey] = nVolume * aSound[iKey]
}
for iS := 0; iS < len(aSound); iS++ {
}
if true || oRand.Intn(32) > 0 {
oStream.Play(iNextPlayStart, &aSound)
}
iNextPlayStart += len(aSound)
}
var oTimePassed = time.Now().Sub(oStartTime)
if oTimePassed > time.Duration(1)*time.Hour {
break
}
//time.Sleep(time.Duration(50) * time.Millisecond);
}
base.Dump(time.Now())
/*oStream.Play(0, aSound);
oStream.Play(0, aSound);*/
/*for {
//aSound = []float32{-1, -1, -1, -1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1};
//base.Dump("play");
//oStream.PlayNow(aSound);
time.Sleep(time.Duration(500) * time.Millisecond);
}*/
time.Sleep(time.Second)
}
func main() {
aArgs := base.GetArgs(map[string]int{})
sCurrentDir, _ := os.Getwd()
base.Dump(aArgs)
base.Dump(sCurrentDir)
oStream := audio.NewStream()
var iSampleRate = 44100
var iMinWaveSamples = iSampleRate / 32
var iMaxWaveSamples = iSampleRate / 16
var nWavePart = float64(0)
aSound := make([]float32, 64*iSampleRate)
rand.Seed(time.Now().Unix())
var iSoundAt = 0
for iSoundAt < len(aSound) {
var iWaveSamples = iMinWaveSamples + rand.Intn(iMaxWaveSamples-iMinWaveSamples)
if iWaveSamples > len(aSound)-iSoundAt {
iWaveSamples = len(aSound) - iSoundAt
}
for iWS := 0; iWS < iWaveSamples; iWS++ {
nWavePart = float64(iWS) / float64(iWaveSamples)
aSound[iSoundAt+iWS] = float32(0.8) * float32(math.Sin(math.Pi*nWavePart))
if nWavePart < 0.5 {
aSound[iSoundAt+iWS] = 1
} else {
aSound[iSoundAt+iWS] = -1
}
}
iSoundAt += iWaveSamples
}
//base.Dump(aSound);
oStream.Play(0, aSound)
oStream.Start(iSampleRate)
time.Sleep(time.Duration(100000) * time.Second)
}
func main() {
aArgs := base.GetArgs(map[string]int{"v": 1, "mode": 1})
sCurrentDir, _ := os.Getwd()
base.Dump(aArgs)
base.Dump(sCurrentDir)
var nVolume float32 = 1.0
if len(aArgs["v"]) > 0 {
var nVolume64, _ = strconv.ParseFloat(aArgs["v"][0], 32)
nVolume = float32(nVolume64)
}
base.Dump("nVolume = " + strconv.FormatFloat(float64(nVolume), 'f', 4, 32))
oStream := audio.NewStream()
oStream.SetVolume(nVolume)
var iSampleRate = 44100
//if _, bSet := aArgs["mode"]; !bSet {
// aArgs["mode"] = []string{"a"};
//}
//var sMode = aArgs["mode"];
var cSamplesWritten = oStream.Start(iSampleRate, time.Duration(100)*time.Millisecond)
defer oStream.Stop()
var sDuration = "1h"
if len(aArgs[""]) > 0 {
sDuration = aArgs[""][0]
}
var oDuration, errParse = time.ParseDuration(sDuration)
if errParse != nil {
oDuration = time.Duration(60) * time.Minute
}
base.Dump(oDuration)
fSound := func(iSampleRate int) []float32 {
return SoundA(iSampleRate, time.Duration(2)*time.Second, 16, 32)
}
if len(aArgs["mode"]) > 0 && aArgs["mode"][0] == "b" {
fSound = func(iSampleRate int) []float32 {
return SoundB(iSampleRate /*, time.Duration(2) * time.Second*/, 16, 32)
}
}
var iNextPlayStart = 0
var oStartTime = time.Now()
var oLastLoggedTime = time.Time{}
var iTotalSamples = int(float64(iSampleRate) * oDuration.Seconds())
var iSamplesPushed = 0
for {
var iSamplesWritten = <-cSamplesWritten
if iSamplesWritten > iNextPlayStart-5*iSampleRate {
var oNow = time.Now()
if oNow.Sub(oLastLoggedTime) > (time.Duration(1) * time.Minute) {
base.Dump(time.Now())
oLastLoggedTime = oNow
}
var aSound = fSound(iSampleRate)
for iKey := range aSound {
var nWavePart = float64(iKey) / float64(len(aSound))
var nVolume = 0.75 + 0.25*float32(math.Sin(math.Pi*nWavePart))
aSound[iKey] = nVolume * aSound[iKey]
}
var iSamplesLeft = iTotalSamples - iSamplesPushed
if iSamplesLeft < 0 {
break
}
if iSamplesLeft < len(aSound) {
for iS := iSamplesLeft; iS < len(aSound); iS++ {
aSound[iS] = 0
}
}
oStream.Play(iNextPlayStart, &aSound)
iSamplesPushed += len(aSound)
iNextPlayStart += len(aSound)
}
var oTimePassed = time.Now().Sub(oStartTime)
if oTimePassed > oDuration {
break
}
time.Sleep(time.Duration(50) * time.Millisecond)
}
time.Sleep(time.Second)
}
func main() {
aArgs := base.GetArgs(map[string]int{})
sCurrentDir, _ := os.Getwd()
base.Dump(aArgs)
base.Dump(sCurrentDir)
oStream := audio.NewStream()
var iSampleRate = 44100
var oRand = rand.New(rand.NewSource(time.Now().Unix()))
var cSamplesWritten = oStream.Start(iSampleRate, time.Duration(100)*time.Millisecond)
defer oStream.Stop()
var oStartTime = time.Now()
//var iCooldownSamples = iSampleRate * 44 / 100;
//var oCooldownDuration = (1000 * time.Duration(iCooldownSamples) / time.Duration(iSampleRate)) * time.Millisecond;
var sDuration = "1h"
if len(aArgs[""]) > 0 {
sDuration = aArgs[""][0]
}
var oDuration, errParse = time.ParseDuration(sDuration)
if errParse != nil {
oDuration = time.Duration(60) * time.Minute
}
base.Dump(oDuration)
var oImage = image.NewImage(20000, 200)
oImage.FillRect(0, 0, oImage.Width(), oImage.Height(), image.NewColor(255, 255, 255, 255))
oImage.DrawPoint(10, 10, image.NewColor(255, 0, 0, 255))
var iNextPlayStart = 0
for {
var iSamplesWritten = <-cSamplesWritten
if iSamplesWritten > iNextPlayStart-5*iSampleRate {
base.Dump(time.Now())
var aSound = SoundA(iSampleRate, time.Duration(2)*time.Second/time.Duration(8), 16, 32)
for iKey := range aSound {
var nWavePart = float64(iKey) / float64(len(aSound))
var nVolume = 0.75 + 0.25*float32(math.Sin(math.Pi*nWavePart))
//nVolume = float32(1.0);
aSound[iKey] = nVolume * aSound[iKey]
}
// for iS := 0; iS < len(aSound); iS ++ {}
if true || oRand.Intn(32) > 0 {
oStream.Play(iNextPlayStart, &aSound)
drawSound(oImage, &aSound, iNextPlayStart, 8)
}
iNextPlayStart += len(aSound)
}
var oTimePassed = time.Now().Sub(oStartTime)
if oTimePassed > oDuration {
break
}
time.Sleep(time.Duration(50) * time.Millisecond)
}
/*oStream.Play(0, aSound);
oStream.Play(0, aSound);*/
/*for {
//aSound = []float32{-1, -1, -1, -1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1};
//base.Dump("play");
//oStream.PlayNow(aSound);
time.Sleep(time.Duration(500) * time.Millisecond);
}*/
time.Sleep(time.Second)
}