Microsoft DirectX 9.0

IMediaSample::SetActualDataLength

The SetActualDataLength method sets the length of the valid data in the buffer.

Syntax

HRESULT SetActualDataLength(
  long lLen
);

Parameters

lLen

Length of the data in the media sample, in bytes.

Return Value

Returns an HRESULT value. Possible values include those shown in the following table.

Value Description
S_OK Success.
VFW_E_BUFFER_OVERFLOW. Length specified in lLen is larger than the buffer size.

See Also