static void init_capture_param(struct v4l2_captureparm *capture_param)
{
	MARK();
	capture_param->capability = 0;
	capture_param->capturemode = 0;
	capture_param->extendedmode = 0;
	capture_param->readbuffers = max_buffers;
	capture_param->timeperframe.numerator = 1;
	capture_param->timeperframe.denominator = 30;
}