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IAMVideoCompression::put_PFramesPerKeyFrame (Compact 2013)

  • Article

3/26/2014

This method sets the rate of predicted (P) frames per key frame.

Syntax

HRESULT put_PFramesPerKeyFrame(
  long PFramesPerKeyFrame
);

Parameters

  • PFramesPerKeyFrame
    [in] Specifies the number of P frames per key frame. If the value is negative, the filter will use the default rate.

Return Value

Returns an HRESULT value.

Remarks

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

Requirements

Header

dshow.h

Library

Strmiids.lib

See Also

Reference

IAMVideoCompression Interface
IAMVideoCompression::get_PFramesPerKeyFrame
IAMVideoCompression::GetInfo
CompressionCaps