// This function inititalize the freenect library, selects the motor and camera subdevices and begins the event processing loop.
// Event processing occurs in a go routine that will be terminated upon a call to Shutdown()
func Initialize() (*Freenect, int) {
if _freenect != nil {
return nil, -999
}
var ctx *C.freenect_context
rc := int(C.freenect_init(&ctx, nil))
if rc != 0 {
return nil, rc
}
C.freenect_select_subdevices(ctx, (C.freenect_device_flags)(C.FREENECT_DEVICE_MOTOR|C.FREENECT_DEVICE_CAMERA))
d := int(C.freenect_num_devices(ctx))
_freenect = &Freenect{ctx, nil, make([]Device, d)}
for x := 0; x < d; x++ {
_freenect.Devices[x].index = x
_freenect.Devices[x].freenect = _freenect
}
go func() {
var to C.struct_timeval
to.tv_sec = 0
to.tv_usec = 0
rc := C.int(0)
for _freenect != nil && rc >= 0 {
rc = C.freenect_process_events_timeout(_freenect.ctx, &to)
}
}()
return _freenect, 0
}
//FREENECTAPI int freenect_num_devices(freenect_context *ctx);
func (ctx *Context) NumDevices() int {
return int(C.freenect_num_devices(ctx.ptr()))
}
func (d *FreenectDevice) GetNumDevices() uint {
return uint(C.freenect_num_devices(d.DeviceContext))
}