IMixerPinConfig::GetBlendingParameter method (mpconfig.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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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 GetBlendingParameter method retrieves the value of the blending parameter that defines how a secondary stream is blended with a primary stream.
Syntax
HRESULT GetBlendingParameter(
[out] DWORD *pdwBlendingParameter
);
Parameters
[out] pdwBlendingParameter
Pointer to a value between 0 and 255 that indicates the amount of blending between a primary stream and a secondary stream.
Return value
Returns an HRESULT value. Possible values include the following:
| Return code | Description |
|---|---|
|
Method called on primary stream. |
|
Value outside of possible range (0-255). |
|
Success. |
Remarks
A value of zero indicates that the secondary stream is invisible; a value of 255 indicates the primary stream is invisible in the area that the secondary stream occupies.
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 | mpconfig.h |
| Library | Strmiids.lib |