// StartVideoStream starts the retrieval of video information from the device.
func (device *Device) StartVideoStream(resolution Resolution, format VideoFormat) error {
errCode := C.freenect_set_video_mode(device.device,
C.freenect_find_video_mode(C.freenect_resolution(resolution), C.freenect_video_format(format)))
if errCode != 0 {
return errors.New("could not find video mode")
}
errCode = C.freenect_start_video(device.device)
if errCode != 0 {
return errors.New("could not start video stream")
}
return nil
}
// This function creates a new structure representing a fixed format and resolution video stream.
// Note the parameters will be validated and the corresponding video mode will be set, but the stream
// will not be started.
// BUG(g): The video mode is set here instead of on Start() which means we can't reset the camera...
func (device *Device) VideoCamera(res Resolution, fmt VideoFormat, source VideoSource, sink VideoSink) (*VideoCamera, int) {
if source == nil || sink == nil {
return nil, -998
}
mode := C.freenect_find_video_mode(C.freenect_resolution(res), C.freenect_video_format(fmt))
if mode.is_valid == 0 {
return nil, -999
}
rc := int(C.freenect_set_video_mode(device.dev, mode))
if rc != 0 {
return nil, rc
}
C.registerVideoCallback(device.dev)
device.video = &VideoCamera{device, false, int(mode.bytes), source, sink, nil}
return device.video, 0
}
//FREENECTAPI freenect_frame_mode freenect_find_video_mode(freenect_resolution res, freenect_video_format fmt);
func FindVideoMode(res Resolution, format VideoFormat) FrameMode {
fm := C.freenect_find_video_mode(C.freenect_resolution(res), C.freenect_video_format(format))
return *(*FrameMode)(unsafe.Pointer(&fm))
}
