Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub AutoTuneExample()
' reference the capture control
Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
Try
' try set the analog video capture device, use your device name here
If Not capturectrl.VideoDevices("Analog") Is Nothing Then
capturectrl.VideoDevices("Analog").Selected = True
End If
' reference the TV tuner interface
Dim tvtuner As TVTuner = capturectrl.TVTuner
' Check if TV tuner is valid
If Not tvtuner Is Nothing Then
' get the min and max channel info
Dim minChan As Integer = tvtuner.ChannelMin
Dim maxChan As Integer = tvtuner.ChannelMax
' select a channel between min and max to auto tune, do this for as many channels as desired
Dim tuneChan As Integer = 25
Dim ok As Integer = tvtuner.AutoTune(tuneChan)
' if we auto-tuned successfully, store the info
If ok <> 0 Then
' store the auto tune information
tvtuner.StoreAutoTune()
' set the result to what we expect
_result = True
End If
End If
Catch e1 As Exception
_result = False
End Try
End Sub
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void AutoTuneExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
try
{
// try set the analog video capture device, use your device name here
if (capturectrl.VideoDevices["Analog"] != null)
capturectrl.VideoDevices["Analog"].Selected = true;
// reference the TV tuner interface
TVTuner tvtuner = capturectrl.TVTuner;
// Check if TV tuner is valid
if (tvtuner != null)
{
// get the min and max channel info
int minChan = tvtuner.ChannelMin;
int maxChan = tvtuner.ChannelMax;
// select a channel between min and max to auto tune, do this for as many channels as desired
int tuneChan = 25;
int ok = tvtuner.AutoTune(tuneChan);
// if we auto-tuned successfully, store the info
if (ok != 0)
{
// store the auto tune information
tvtuner.StoreAutoTune();
// set the result to what we expect
_result = true;
}
}
}
catch (Exception)
{
_result = false;
}
}