func main() {
var data []int16
switch len(os.Args) {
case 1:
log.Println("Loading white noise.")
data = genWhiteNoise()
break
case 2:
filename := os.Args[1]
log.Printf("Loading %s\n", filename)
data = readFile(filename)
break
default:
log.Fatalf("Unexpected number of arguments: %s. Must be 1 or 2.\nUsage: go run main.go [file]\n", len(os.Args))
}
device, err := al.OpenDevice("", nil)
if err != nil {
log.Fatal(err)
}
defer device.Close()
var buffers uint32 = 0
device.GenBuffers(1, &buffers)
device.BufferData(buffers, al.FORMAT_MONO16, unsafe.Pointer(&data[0]), int32(int(unsafe.Sizeof(data[0]))*len(data)), freq)
var sources uint32 = 0
device.GenSources(1, &sources)
device.Sourcei(sources, al.BUFFER, int32(buffers))
device.SourcePlay(sources)
time.Sleep(time.Second * duration)
device.DeleteSources(1, &sources)
device.DeleteBuffers(1, &buffers)
log.Println("Done.")
}
func main() {
var duration float64
var files []string
switch len(os.Args) {
case 1:
log.Panicf("wav player: No files specified.\nUsage: go run main.go file1 file2...\n", len(os.Args))
default:
files = os.Args[1:]
}
device, err := al.OpenDevice("", nil)
if err != nil {
log.Panic(err)
}
defer device.Close()
var buffers = make([]uint32, len(files))
device.GenBuffers(int32(len(buffers)), &buffers[0])
var sources = make([]uint32, len(files))
device.GenSources(int32(len(sources)), &sources[0])
for i, file := range files {
data, dur, config := readFile(file)
if dur > duration {
duration = dur
}
if config.Channels == 1 {
device.BufferData(buffers[i], al.FORMAT_MONO16, unsafe.Pointer(&data[0]), int32(int(unsafe.Sizeof(data[0]))*len(data)), int32(config.SampleRate))
} else {
device.BufferData(buffers[i], al.FORMAT_STEREO16, unsafe.Pointer(&data[0]), int32(int(unsafe.Sizeof(data[0]))*len(data)), int32(config.SampleRate))
}
device.Sourcei(sources[i], al.BUFFER, int32(buffers[i]))
}
log.Println("Duration:", duration, "seconds")
device.SourcePlayv(sources)
for {
stopped := 0
for _, source := range sources {
var state int32
device.GetSourcei(source, al.SOURCE_STATE, &state)
if state != al.PLAYING {
stopped++
}
}
if stopped == len(sources) {
// everything is stopped
break
}
time.Sleep(time.Second / 2)
}
device.DeleteSources(int32(len(sources)), &sources[0])
device.DeleteBuffers(int32(len(buffers)), &buffers[0])
log.Println("Done.")
}