| Microsoft DirectX 8.1 (C++) |
Override this member function to handle notification of a change of sample rate.
Syntax
virtual HRESULT ChangeRate(void) PURE;
Return Value
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 isn't supported. |
| S_OK or NOERROR | Success. |
Remarks
This member function is called when a change to the rate has been made by a call to IMediaPosition::put_Rate. Override this and change the rate of data sent; typically, this will be by a call to CBaseInputPin::BeginFlush and CBaseInputPin::EndFlush, and then sending samples marked with new
See Also