通过

IAMTimelineGroup::GetOutputBuffering

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Microsoft DirectShow 9.0

IAMTimelineGroup::GetOutputBuffering

The GetOutputBuffering method retrieves the number of frames rendered in advance during preview.

Syntax

  HRESULT GetOutputBuffering(
    int *pnBuffer
);

Parameters

pnBuffer

[out] Pointer to a variable that receives the number of buffered frames.

Return Value

Returns S_OK if successful, or E_POINTER otherwise.

Requirements

Header: Include Qedit.h. This header file is not compatible with Microsoft® Direct3D® headers later than version 7.

Library: Use strmiids.lib.

See Also