IMediaPosition::put_PrerollTime
Microsoft DirectShow 9.0 |
IMediaPosition::put_PrerollTime
The put_PrerollTime method sets the amount of data that will be queued before the start position.
Syntax
HRESULT put_PrerollTime( REFTIME llTime );
Parameters
llTime
[in] Preroll time, in seconds.
Return Values
Returns an HRESULT value. Possible values include the following.
Return code | Description |
S_OK | Success. |
E_NOTIMPL | Not implemented. |
Remarks
The preroll is the time prior to the start position at which nonrandom access devices, such as tape players, should start rolling.
Requirements
Header: Declared in Control.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also