IMediaSample::SetActualDataLength
| Microsoft DirectShow 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 Values
Returns an HRESULT value. Possible values include those shown in the following table.
| Return code | Description |
| S_OK | Success. |
| VFW_E_BUFFER_OVERFLOW. | Length specified in lLen is larger than the buffer size. |
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also