private void Form1_Load(object sender, EventArgs e)
{
icImagingControl1.Device = "DFG/HDMI";
var info = HDMIInputInfo.Query(icImagingControl1);
UpdateHDMIInputUI(info);
ConfigureVideoFormatFrameRate(info);
icImagingControl1.BackColor = Color.FromArgb(32, 32, 32);
}
private void ConfigureVideoFormatFrameRate(HDMIInputInfo info)
{
icImagingControl1.LiveStop();
if (info.InputWidth != 0 && info.InputHeight != 0 && info.InputFPS != 0)
{
// Calculate the bandwidth required when configuring the DFG/HDMI to send its input
double bandwidthRGB32 = 8 * info.InputWidth * info.InputHeight * info.InputFPS;
double bandwidthY411 = 12 * info.InputWidth * info.InputHeight * info.InputFPS;
double bandwidthYUY2 = 16 * info.InputWidth * info.InputHeight * info.InputFPS;
double bandwidthRGB24 = 24 * info.InputWidth * info.InputHeight * info.InputFPS;
// Maximum allowed bandwidth is ~390 MB/s
const double BANDWIDTH_LIMIT = 390e6 * 8;
// Select highest-quality video format that fits into the bandwidth limit
if (bandwidthRGB24 < BANDWIDTH_LIMIT)
{
icImagingControl1.VideoFormat = string.Format("RGB24 ({0}x{1})", info.InputWidth, info.InputHeight);
}
else if (bandwidthYUY2 < BANDWIDTH_LIMIT)
{
icImagingControl1.VideoFormat = string.Format("YUY2 ({0}x{1})", info.InputWidth, info.InputHeight);
}
else if (bandwidthY411 < BANDWIDTH_LIMIT)
{
icImagingControl1.VideoFormat = string.Format("Y411 ({0}x{1})", info.InputWidth, info.InputHeight);
}
else
{
icImagingControl1.VideoFormat = string.Format("RGB32 ({0}x{1})", info.InputWidth, info.InputHeight);
}
// Configure frame rate to match HDMI source
icImagingControl1.DeviceFrameRate = info.InputFPS;
txtVideoFormat.Text = icImagingControl1.VideoFormat.ToString();
txtFrameRate.Text = icImagingControl1.DeviceFrameRate.ToString("0.00");
icImagingControl1.LiveStart();
}
else
{
txtVideoFormat.Text = "<Input not detected>";
txtFrameRate.Text = "<Input not detected>";
}
}
private void UpdateHDMIInputUI(HDMIInputInfo info)
{
chkSourceConnected.Checked = info.IsSourceConnected;
chkSignalDetected.Checked = info.IsSignalDetected;
if (info.IsSignalDetected)
{
txtInputWidth.Text = info.InputWidth.ToString();
txtInputHeight.Text = info.InputHeight.ToString();
txtInputFPS.Text = info.InputFPS.ToString("0.00");
txtInputBits.Text = info.InputBitDepth.ToString();
}
else
{
txtInputWidth.Text = "";
txtInputHeight.Text = "";
txtInputFPS.Text = "";
txtInputBits.Text = "";
}
}
private void btnConfigure_Click(object sender, EventArgs e)
{
var info = HDMIInputInfo.Query(icImagingControl1);
ConfigureVideoFormatFrameRate(info);
}
private void btnUpdateHDMIInput_Click(object sender, EventArgs e)
{
var info = HDMIInputInfo.Query(icImagingControl1);
UpdateHDMIInputUI(info);
}
