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IWMCodecOutputTimestamp::GetNextOutputTime method (wmcodecdsp.h)

  • Article

Queries the decoder for the time stamp of the upcoming output sample. Use this method if you need to know the time of the sample before calling IMediaObject::ProcessOutput or IMFTransform::ProcessOutput to get the sample.

Syntax

HRESULT GetNextOutputTime(
  [out] REFERENCE_TIME *prtTime
);

Parameters

[out] prtTime

Address of a variable that receives the presentation time of the next sample.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK
 The method succeeded.

Remarks

This method is important when decoding video using frame interpolation, because the rendering application cannot predict the time stamps of interpolated frames.

Requirements

Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header wmcodecdsp.h

See also

IWMCodecOutputTimestamp Interface