func OpenAudioDevice(device string, iscapture int, desired, obtained *AudioSpec, allowed_changes int) int {
_device := (C.CString)(device)
_iscapture := (C.int)(iscapture)
_desired := (*C.SDL_AudioSpec)(unsafe.Pointer(desired))
_obtained := (*C.SDL_AudioSpec)(unsafe.Pointer(obtained))
_allowed_changes := (C.int)(allowed_changes)
return (int)(C.SDL_OpenAudioDevice(_device, _iscapture, _desired, _obtained, _allowed_changes))
}
// OpenAudioDevice (https://wiki.libsdl.org/SDL_OpenAudioDevice)
func OpenAudioDevice(device string, isCapture bool, desired, obtained *AudioSpec, allowedChanges int) (AudioDeviceID, error) {
_device := C.CString(device)
if device == "" {
_device = nil
}
defer C.free(unsafe.Pointer(_device))
if id := AudioDeviceID(C.SDL_OpenAudioDevice(_device, C.int(Btoi(isCapture)), desired.cptr(), obtained.cptr(), C.int(allowedChanges))); id > 0 {
return id, nil
}
return 0, GetError()
}
func Init() {
if ok := C.SDL_InitSubSystem(C.SDL_INIT_AUDIO); ok < 0 {
panic(ok)
}
var want C.SDL_AudioSpec
want.freq = 48000
want.format = C.AUDIO_S16
want.channels = 2
want.callback = (C.SDL_AudioCallback)(unsafe.Pointer(C.audio_callback_go_cgo))
var have C.SDL_AudioSpec
if dev = C.SDL_OpenAudioDevice(nil, 0, &want, &have, 0); dev == 0 {
panic("dev=0")
}
}
func OpenAudioDevice(dev string, ic bool, des *AudioSpec, ac bool) (AudioDeviceID, *AudioSpec, error) {
cdev := C.CString(dev)
defer C.free(unsafe.Pointer(cdev))
var cic C.int
if ic {
cic = 1
}
var cac C.int
if ac {
cac = 1
}
var o AudioSpec
id := C.SDL_OpenAudioDevice(cdev, cic, des.c(), o.c(), cac)
if id == 0 {
return 0, nil, getError()
}
return AudioDeviceID(id), &o, nil
}
func OpenAudioDevice(device string, iscapture bool, desired, obtained *AudioSpec, allowed_changes bool, callback func(*byte, int)) bool {
var cdesired C.SDL_AudioSpec
var cobtained C.SDL_AudioSpec
cdevice := C.CString(device)
defer C.free(unsafe.Pointer(cdevice))
cdesired.freq = C.int(desired.Freq)
cdesired.format = C.SDL_AudioFormat(int(desired.Format))
cdesired.channels = C.Uint8(desired.Channels)
cdesired.samples = C.Uint16(desired.Samples)
cdesired.size = C.Uint32(0)
cdesired.callback = C.go_sdl2_get_callback()
cdesired.userdata = unsafe.Pointer(&callback)
ret := C.SDL_OpenAudioDevice(cdevice, C.int(bool2int(iscapture)), &cdesired, &cobtained, C.int(bool2int(allowed_changes)))
if obtained != nil {
obtained.Freq = int32(cobtained.freq)
obtained.Format = AudioFormat(int(cobtained.format))
obtained.Channels = uint8(cobtained.channels)
obtained.Silence = uint8(cobtained.silence)
obtained.Samples = uint16(cobtained.samples)
obtained.Size = uint32(cobtained.size)
}
return int(ret) == 0
}
// OpenAudioDevice (https://wiki.libsdl.org/SDL_OpenAudioDevice)
func OpenAudioDevice(device string, isCapture int, desired, obtained *AudioSpec, allowedChanges int) int {
_device := C.CString(device)
defer C.free(unsafe.Pointer(_device))
return int(C.SDL_OpenAudioDevice(_device, C.int(isCapture), desired.cptr(), obtained.cptr(), C.int(allowedChanges)))
}