func NewAudioSource(clip AudioClip) *AudioSource {
as := &AudioSource{engine.NewComponent(), openal.NewSource(), false, InverseDistanceClamped, nil, nil, nil, true, false, 0}
if clip != nil {
c, e := clip.Clone()
if e != nil {
panic(e)
}
as.Clip = c
}
as.source.SetMinGain(0)
as.source.SetMaxGain(1)
if clip.AudioFormat() == Mono16 || clip.AudioFormat() == Mono8 {
as.Set2D()
}
return as
}
func main() {
device := openal.OpenDevice("")
context := device.CreateContext()
context.Activate()
//listener := new(openal.Listener)
//listener.
source := openal.NewSource()
source.SetPitch(1)
source.SetGain(1)
source.SetPosition(0, 0, 0)
source.SetVelocity(0, 0, 0)
source.SetLooping(false)
buffer := openal.NewBuffer()
format, data, err := ReadWavFile("welcome.wav")
if err != nil {
panic(err)
}
switch format.Channels {
case 1:
buffer.SetData(openal.FormatMono16, data[:len(data)], int32(format.Samples))
case 2:
buffer.SetData(openal.FormatStereo16, data[:len(data)], int32(format.Samples))
}
source.SetBuffer(buffer)
source.Play()
for source.State() == openal.Playing {
//loop long enough to let the wave file finish
}
fmt.Println(source.State())
source.Pause()
source.Stop()
return
context.Destroy()
time.Sleep(time.Second)
}
// NewSound returns a new Sound object based on the provided file. As of right
// now, NewSound only supports standard WAV files.
func NewSound(filename string) (*Sound, error) {
sound := &Sound{}
tmpSource := al.NewSource()
sound.source = &tmpSource
tmpBuffer := al.NewBuffer()
sound.buffer = &tmpBuffer
var err error
var info soundInfo
split := strings.Split(filename, ".")
if split[len(split)-1] == "wav" {
info, err = loadWAV(filename)
} else if split[len(split)-1] == "ogg" {
info, err = loadOGG(filename)
}
if err != nil {
return sound, err
}
if info.bitRate == 8 {
if info.numChannels == 1 {
sound.buffer.SetData(al.FormatMono8, info.data8, info.sampleRate)
} else if info.numChannels == 2 {
sound.buffer.SetData(al.FormatStereo8, info.data8, info.sampleRate)
} else {
return sound, errors.New("invalid number of channels")
}
} else if info.bitRate == 16 {
if info.numChannels == 1 {
sound.buffer.SetDataInt(al.FormatMono16, info.data16, info.sampleRate)
} else if info.numChannels == 2 {
sound.buffer.SetDataInt(al.FormatStereo16, info.data16, info.sampleRate)
} else {
return sound, errors.New("invalid number of channels")
}
}
sound.source.Seti(al.AlBuffer, int32(*sound.buffer))
return sound, nil
}
func main() {
test := "./test2.mod"
if len(os.Args) > 1 {
test = os.Args[1]
}
f, e := os.Open(test)
if e != nil {
panic(e)
}
m, e := ibxmgo.Decode(f)
if e != nil {
panic(e)
}
ibxm, e := ibxmgo.NewIBXM(m, 48000)
if e != nil {
panic(e)
}
//f2, _ := os.Create("./output.raw")
//ibxm.Dump(f2)
//return
duration := ibxm.SongDuration()
data := make([]int32, ibxm.MixBufferLength())
data2 := make([]int16, duration*2)
s := time.Now()
index := 0
for {
in, ended := ibxm.GetAudio(data)
in *= 2
for j := 0; j < in; j++ {
x := data[j]
if x > 32767 {
x = 32767
} else if x < -32768 {
x = -32768
}
data2[index] = int16(x)
index++
}
if ended {
break
}
}
fmt.Println(time.Since(s))
//return
device := openal.OpenDevice("")
context := device.CreateContext()
context.Activate()
//listener := new(openal.Listener)
source := openal.NewSource()
source.SetPitch(1)
source.SetGain(1)
source.SetPosition(0, 0, 0)
source.SetVelocity(0, 0, 0)
source.SetLooping(false)
buffer := openal.NewBuffer()
buffer.SetDataInt(openal.FormatStereo16, data2, 48000)
source.SetBuffer(buffer)
source.Play()
for source.State() == openal.Playing {
//loop long enough to let the wave file finish
}
time.Sleep(time.Second)
source.Pause()
source.Stop()
return
context.Destroy()
time.Sleep(time.Second)
}