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IAMVideoCompression::put_KeyFrameRate

  • Article

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

This method sets the key-frame rate.

Syntax

HRESULT put_KeyFrameRate(
  long KeyFrameRate
);

Parameters

  • KeyFrameRate
    [in] A long value that identifies the desired key-frame rate. If the value is negative, the filter will use the default key-frame rate. If the value is zero, only the first frame will be a key frame.

Return Value

This method returns an HRESULT value.

Remarks

To determine if the filter supports this method, call the IAMVideoCompression::GetInfo method and check for the CompressionCaps_CanKeyFrame flag (see CompressionCaps) in the pCapabilities parameter. The GetInfo method also returns the default key-frame rate.

Requirements

Windows Embedded CE Windows Embedded CE 6.0 and later
Windows Mobile Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment

See Also

Reference

IAMVideoCompression Interface
IAMVideoCompression::get_KeyFrameRate
IAMVideoCompression::GetInfo
CompressionCaps