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IMFMediaBuffer::SetCurrentLength Method

Sets the length of the valid data in the buffer.

Syntax

HRESULT SetCurrentLength(
  [in]  DWORD cbCurrentLength
);

Parameter

  • cbCurrentLength [in]
    Length of the valid data, in bytes. This value cannot be greater than the allocated size of the buffer, which is returned by the IMFMediaBuffer::GetMaxLength method.

Rückgabewert

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Rückgabecode Beschreibung
S_OK

The method succeeded.

E_INVALIDARG

The specified length is greater than the maximum size of the buffer.

 

Hinweise

Call this method if you write data into the buffer.

This interface is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:

  • Windows XP mit Service Pack 2 (SP2) und höher.
  • Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (Oktober 2006 Updaterollup für Windows XP Media Center Edition) installed.

Anforderungen

Mindestens unterstützter Client

Windows Vista

Mindestens unterstützter Server

Windows Server 2008

Header

Mfobjects.h (include Mfidl.h)

Bibliothek

Mfuuid.lib

Siehe auch

IMFMediaBuffer

Media Buffers