func NewClip(path string) (*IBXM, error) {
mr, e := os.Open(path)
if e != nil {
return nil, e
}
mod, e := ibxmgo.Decode(mr)
if e != nil {
return nil, e
}
clip, e := ibxmgo.NewIBXM(mod, 48000)
if e != nil {
return nil, e
}
return &IBXM{clip, nil, audio.Stereo16, clip.Length() * 2}, 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)
}