public VideoProcAmpInfo HueInfo { get; }
public:
property VideoProcAmpInfo^ HueInfo {
VideoProcAmpInfo^ get();
}
A VideoProcAmpInfo object.
The information returned for this property is a VideoProcAmpInfo object containing all the related property information.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public VideoProcAmp _videoprocamp;
public string _outFile = Path.Combine(LEAD_VARS.MediaDir, "VideoProcAmp_SetAutoValueExample.avi");
// this example demonstrates how to set an auto value on the
// video proc amp object.
public void SetManualValueExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
try
{
// select the first device with USB in it's name
// Replace "USB" with your video capture device name
if (capturectrl.VideoDevices["USB"] == null)
throw new Exception("No USB video devices available!");
capturectrl.VideoDevices["USB"].Selected = true;
// set a video compressor
capturectrl.VideoCompressors.Mpeg2.Selected = true;
// set the target file
capturectrl.TargetFile = _outFile;
// reference the video proc amp
_videoprocamp = capturectrl.VideoProcAmp;
// try to set the auto value
if (_videoprocamp != null)
{
// set the brightness to the mid supported value
_videoprocamp.Brightness = (_videoprocamp.BrightnessInfo.Max - _videoprocamp.BrightnessInfo.Min) / 2;
// set the contrast to the mid supported value
_videoprocamp.Contrast = (_videoprocamp.ContrastInfo.Max - _videoprocamp.ContrastInfo.Min) / 2;
// set the gain to the maximum supported value
_videoprocamp.Gain = _videoprocamp.GainInfo.Max;
// set the gamma to the maximum supported value
_videoprocamp.Gamma = _videoprocamp.GammaInfo.Max;
// set the hue to the maximum supported value
_videoprocamp.Hue = _videoprocamp.HueInfo.Max;
// set the saturation to the maximum supported value
_videoprocamp.Saturation = _videoprocamp.SaturationInfo.Max;
// set the sharpness to the minimum value
_videoprocamp.Sharpness = _videoprocamp.SharpnessInfo.Min;
// set the white balace to the maximum value
_videoprocamp.WhiteBalance = _videoprocamp.WhiteBalanceInfo.Max;
// set the hue to the minimum value
// later in the timer we will bump this value using the stepDelta
_videoprocamp.Hue = _videoprocamp.HueInfo.Min;
// subscribe to the capture progress event
// so we can play with the hue setting above
capturectrl.Progress += new ProgressEventHandler(CaptureCtrl_Progress);
}
// check for video capture available
if (capturectrl.IsModeAvailable(CaptureMode.Video))
{
// capture 15 seconds of video
capturectrl.UseTimeLimit = true;
capturectrl.TimeLimit = 15;
// subscribe to the compete event
capturectrl.Complete += new EventHandler(CaptureCtrl_Complete);
// start the capture
capturectrl.StartCapture(CaptureMode.Video);
}
}
catch (Exception)
{
_result = false;
}
// we'll loop on the state and pump messages for this example.
// but you should not need to if running from a Windows Forms application.
while (capturectrl.State == CaptureState.Running)
Application.DoEvents();
}
void CaptureCtrl_Progress(object sender, ProgressEventArgs e)
{
if (_videoprocamp != null)
{
// roll the hue value around while capturing
_videoprocamp.Hue += _videoprocamp.HueInfo.StepDelta;
// reset it to the minimum if we reach the max
if (_videoprocamp.Hue >= _videoprocamp.HueInfo.Max)
_videoprocamp.Hue = _videoprocamp.HueInfo.Min;
}
}
void CaptureCtrl_Complete(object sender, EventArgs e)
{
// set the result to what we expect
_result = File.Exists(_outFile);
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS23\Media";
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.