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CPosPassThru::QueryPreferredFormat (Compact 2013)

  • [アーティクル]

3/26/2014

Retrieves the preferred time format to be used by the interface.

Syntax

HRESULT QueryPreferredFormat(
  GUID* pFormat 
);

Parameters

  • pFormat
    Time format preferred by the interface.

Return Value

Returns the HRESULT value returned from calling IMediaSeeking::QueryPreferredFormat on the connected pin.

Remarks

This member function implements the IMediaSeeking::QueryPreferredFormat method by calling this same method on the upstream filter's output pin.

See the description for IMediaSeeking::IsFormatSupported for a list of available time formats. If the time format returned is not satisfactory, use the IMediaSeeking::IsFormatSupported method to query for supported time formats that you can use.

Requirements

Header

dshow.h,
Streams.h

Library

ole32.lib,
Ole32auth.lib,
Strmbase.lib,
Strmiids.lib,
uuid.lib

See Also

Reference

CPosPassThru Class