public ImageFrame Create(PixelFormat format, int width, int height)
{
if (width <= 0)
{
throw new ArgumentException("Must be > 0", nameof(width));
}
if (height <= 0)
{
throw new ArgumentException("Must be > 0", nameof(height));
}
var memory = Buffer.Allocate(VideoFormatHelper.GetBufferSize(format, width, height, 1));
return(new ImageFrame(format, width, height, memory));
// Strides = VideoFormatHelper.GetStrides(format, width);
}
private void cbxCaptureDevices_SelectedIndexChanged(object sender, EventArgs e)
{
//Release COM objects
if (theDevice != null)
{
Marshal.ReleaseComObject(theDevice);
theDevice = null;
}
if (cbxCaptureDevices.SelectedIndex != -1)
{
//Create the filter for the selected video input device
string deviceName = cbxCaptureDevices.SelectedItem.ToString();
theDevice = CreateFilter(FilterCategory.VideoInputDevice, deviceName);
if (!string.IsNullOrEmpty(deviceName))
{
Cursor = Cursors.WaitCursor;
Update();
cbxCrossbarInput.Items.Clear();
cbxCrossbarInput.SelectedIndexChanged -= new EventHandler(cbxCrossbarInput_SelectedIndexChanged);
try
{
crossbarHelper.LoadCrossbarSources(deviceName, cbxCrossbarInput);
// TODO: Save the settings
}
finally
{
cbxCrossbarInput.SelectedIndexChanged += new EventHandler(cbxCrossbarInput_SelectedIndexChanged);
Cursor = Cursors.Default;
}
cbxVideoFormats.Items.Clear();
cbxVideoFormats.SelectedIndexChanged -= new EventHandler(cbxVideoFormats_SelectedIndexChanged);
try
{
VideoFormatHelper.LoadSupportedVideoFormats(deviceName, cbxVideoFormats);
}
finally
{
cbxVideoFormats.SelectedIndexChanged += new EventHandler(cbxVideoFormats_SelectedIndexChanged);
Cursor = Cursors.Default;
}
VideoFormatHelper.SupportedVideoFormat selectedVideoFormat = null;
foreach (VideoFormatHelper.SupportedVideoFormat format in cbxVideoFormats.Items)
{
if (settings.SelectedVideoFormat == format.AsSerialized())
{
selectedVideoFormat = format;
break;
}
}
if (selectedVideoFormat != null)
{
cbxVideoFormats.SelectedItem = selectedVideoFormat;
}
else
{
cbxVideoFormats.SelectedIndex = 0;
}
}
}
}
