public void Open()
{
Console.WriteLine("Open");
//_fd = NativeMethods.v4l2_open(_dev_file, O_RDWR);
_fd = NativeMethods.open(_dev_file, O_RDWR);
Console.WriteLine("fd = {0}", _fd);
if (_fd < 0)
{
throw new ApplicationException("Cannot open V4L2 device. Is the device locked somewhere?");
}
NativeMethods.v4l2_format fmt = new NativeMethods.v4l2_format();
fmt.type = V4L2_BUF_TYPE_SDR_CAPTURE;
//fmt.fmt.sdr.pixelformat = V4L2_PIX_FMT_SDR_U8;
fmt.fmt.sdr.pixelformat = V4L2_SDR_FMT_CU16LE;
Console.WriteLine("request fmt.pixelformat = {0}", fmt.fmt.sdr.pixelformat);
//var v4l2_r = NativeMethods.v4l2_ioctl(_fd, CMD64_VIDIOC_S_FMT, ref fmt);
var v4l2_r = NativeMethods.ioctl(_fd, CMD64_VIDIOC_S_FMT, ref fmt);
Console.WriteLine("v4l2_ioctl r = {0} sdr.pixelformat = {1}", v4l2_r, fmt.fmt.sdr.pixelformat);
if (fmt.fmt.sdr.pixelformat != V4L2_SDR_FMT_CU16LE)
{
// throw exception?
Console.WriteLine("Device didn't accept format!");
}
}
public void Open()
{
Console.WriteLine("Open");
//_fd = NativeMethods.v4l2_open(_dev_file, O_RDWR);
_fd = NativeMethods.open(_dev_file, O_RDWR);
Console.WriteLine("fd = {0}", _fd);
if (_fd < 0)
{
throw new ApplicationException("Cannot open V4L2 device. Is the device locked somewhere?");
}
NativeMethods.v4l2_format fmt = new NativeMethods.v4l2_format();
fmt.type = V4L2_BUF_TYPE_SDR_CAPTURE;
//fmt.fmt.sdr.pixelformat = V4L2_PIX_FMT_SDR_U8;
fmt.fmt.sdr.pixelformat = V4L2_SDR_FMT_CU16LE;
Console.WriteLine("request fmt.pixelformat = {0}", fmt.fmt.sdr.pixelformat);
//var v4l2_r = NativeMethods.v4l2_ioctl(_fd, CMD64_VIDIOC_S_FMT, ref fmt);
var v4l2_r = NativeMethods.ioctl(_fd, CMD64_VIDIOC_S_FMT, ref fmt);
Console.WriteLine("v4l2_ioctl r = {0} sdr.pixelformat = {1}", v4l2_r, fmt.fmt.sdr.pixelformat);
if (fmt.fmt.sdr.pixelformat != V4L2_SDR_FMT_CU16LE) {
// throw exception?
Console.WriteLine("Device didn't accept format!");
}
}