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crendererpospassthru-resetmediatime.md

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description ms.assetid title ms.topic ms.date topic_type api_name api_type api_location ms.custom
The ResetMediaTime method resets the cached time stamps to zero.
80dd2ae3-0a83-4017-8860-a089bef9a919
CRendererPosPassThru.ResetMediaTime method (Ctlutil.h)
reference
4/26/2023
APIRef
kbSyntax
CRendererPosPassThru.ResetMediaTime
COM
Strmbase.lib
Strmbase.dll
Strmbasd.lib
Strmbasd.dll
UpdateFrequency5

CRendererPosPassThru.ResetMediaTime method

[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

The ResetMediaTime method resets the cached time stamps to zero.

Syntax

HRESULT ResetMediaTime();

Parameters

This method has no parameters.

Return value

Returns S_OK.

Remarks

The filter should call this method whenever the time stamps cached by the CRendererPosPassThru::RegisterMediaTime method become invalid. Specifically, it should call this method in response to the IPin::EndFlush and IMediaFilter::Stop methods.

After this method is called, the CRendererPosPassThru::GetMediaTime method returns zero for the start and end times.

Requirements

Requirement Value
Header
Ctlutil.h (include Streams.h)
Library
Strmbase.lib (retail builds);
Strmbasd.lib (debug builds)