IQualityControl::SetSink method (strmif.h)
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The SetSink method sets the IQualityControl object that will receive quality messages.
Syntax
HRESULT SetSink(
IQualityControl *piqc
);
Parameters
piqc
Pointer to the IQualityControl object to which the notifications should be sent.
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.
| Return code | Description |
|---|---|
|
Failure. |
|
NULL pointer argument. |
|
Invalid argument. |
|
Method isn't supported. |
|
Success. |
Remarks
The filter that receives a call to this method should record the piqc but should not add a reference count to it. The object pointed to will be a quality manager and will be a part of the filter graph (for example, a plug-in distributor). Adding a reference count to this could cause circular reference problems.
The reference to the object specified in piqc is guaranteed to be valid until this method is called with a null value.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | strmif.h (include Dshow.h) |
| Library | Strmiids.lib |