CSourcePosition::ChangeStart
Override this member function to handle notification of a change of start time.
virtual HRESULT ChangeStart( ) PURE;
Parameters
None.
Return Values
Returns an HRESULT value that depends on the implementation. HRESULT can be one of the following standard constants, or other values not listed.
| Value | Description |
|---|---|
| E_FAIL | Failure. |
| E_POINTER | Null pointer argument. |
| E_INVALIDARG | Invalid argument. |
| E_NOTIMPL | Method is not supported. |
| S_OK or NOERROR | Success. |
Remarks
This member function is called when a new start position has been requested by a call to IMediaPosition::put_CurrentPosition. Override this and change the data sent; typically, this will be by a call to CBaseInputPin::BeginFlush and CBaseInputPin::EndFlush, and then sending samples marked with new time stamps.
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header:
Last updated on Wednesday, April 13, 2005
© 2005 Microsoft Corporation. All rights reserved.