IWMEncInputCollection.Item

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The Item method retrieves the TV input identified by a specific integer index.

Syntax

string IWMEncInputCollection.Item(
  int  lIndex
);

Parameters

lIndex

[in]  Int32 containing the index of the input item to retrieve.

Return Values

This method returns a String containing the item name.

Example Code

using WMEncoderLib;

try
{
// Create a WMEncoder object.
  WMEncoder Encoder;
  Encoder = new WMEncoder();

// Create a source group and add the sources.
  IWMEncSourceGroupCollection SrcGrpColl;
  IWMEncSourceGroup SrcGrp;
  IWMEncSource SrcAud;
  IWMEncVideoSource2 SrcVid;
  SrcGrpColl = Encoder.SourceGroupCollection;
  SrcGrp = SrcGrpColl.Add("SG_1");
  SrcAud = SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
  SrcVid = (IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
  SrcAud.SetInput("Default_Audio_Device", "Device", "");
  SrcVid.SetInput("Default_Video_Device", "Device", "");

// Configure the output and profile for the encoding session.

// Initialize the encoding process.
  Encoder.PrepareToEncode(true);

// Enumerate the type of inputs supported by the TV-tuner capture card.
// Find and select the Video Tuner input.
  IWMEncInputCollection InputColl;
  InputColl = SrcVid.EnumerateInputs();
  for (x = 0; x< InputColl.Count; x++)
  {
    if (InputColl.Item(x) == "Video Tuner")
    {
      SrcVid.Input = x;
      break;
    }
  }

// Specify the TV channel, pixel format, and country/region (USA).
  SrcVid.Channel = 5;
  SrcVid.PixelFormat = WMENC_PIXELFORMAT_VIDEO.WMENC_PIXELFORMAT_UYVY;
  SrcVid.Country = 1;

// Specify cable reception.
  SrcVid.TVType = 0;

// Specify the NTSC TV format.
  SrcVid.TVFormat = 1;

// Start encoding.
  Encoder.Start();
}

catch (Exception e)
{
     // TODO: Handle exceptions.
}

Requirements

Reference: Windows Media Encoder

Namespace: WMEncoderLib

Assembly: Interop.WMEncoderLib.dll

Library: WMEncoderLib.dll

See Also

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