CPosPassThru::get_PrerollTime
A version of this page is also available for
4/8/2010
Retrieves the time prior to the start position that devices should start rolling.
Syntax
HRESULT get_PrerollTime(
REFTIME* pllTime
);
Parameters
- pllTime
Returned preroll time as a double value in seconds.
Return Value
Returns the HRESULT value returned from calling IMediaPosition::get_PrerollTime on the connected pin.
Remarks
Preroll time is the time prior to the start position at which nonrandom access devices, such as tape players, should start rolling.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |