通过

IAMTimeline::GetDefaultFPS

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Microsoft DirectShow 9.0

IAMTimeline::GetDefaultFPS

The GetDefaultFPS method retrieves the default output frame rate, in frames per second (FPS). Groups use this value as their default frame rate. To set a group's frame rate, call the IAMTimelineGroup::SetOutputFPS method on the group.

Syntax

  HRESULT GetDefaultFPS(
    double *pFPS
);

Parameters

pFPS

Pointer to a variable that receives the default frame rate, in frames per second.

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