CBaseVideoRenderer::ShouldDrawSampleNow

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Windows Embedded CE 6.0 R3

4/8/2010

Determines if the video should be drawn without setting a timer advise link with the clock.

Syntax

virtual HRESULT ShouldDrawSampleNow(
  IMediaSample* pMediaSample,
  REFERENCE_TIME* ptrStart,
  REFERENCE_TIME* ptrEnd
);

Parameters

• pMediaSample
  IMediaSample interface for the sample.

• ptrStart
  Time to begin rendering.

• ptrEnd
  Time to stop rendering.

Return Value

Returns an HRESULT value.

Returns S_OK to mean draw at once without waiting.

Returns S_FALSE to mean draw at time ptrStart.

Returns error to mean do not draw the sample; that is, skip it to save time.

Remarks

This member function overrides CBaseRenderer::ShouldDrawSampleNow.

Requirements

Windows Embedded CE	Windows CE 2.12 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, Version 2.12 requires DXPAK 1.0 or later