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IAMVideoCompression::put_KeyFrameRate (Compact 2013)

  • Article

3/26/2014

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

Header

dshow.h

Library

Strmiids.lib

See Also

Reference

IAMVideoCompression Interface
IAMVideoCompression::get_KeyFrameRate
IAMVideoCompression::GetInfo
CompressionCaps