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Called when the media processor is about to deliver an input sample to a pipeline component.
Syntax
HRESULT NotifyProcessInput(
[in] IMFTopologyNode *pNode,
[in] long lInputIndex,
[in] IMFSample *pSample
);
Parameters
[in] pNode
Pointer to the IMFTopologyNode interface of the topology node that represents the pipeline component.
[in] lInputIndex
Index of the input stream on the topology node.
[in] pSample
Pointer to the IMFSample interface of the input sample.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
Remarks
This method is called for every sample passing through every pipeline component. Therefore, the method must return quickly to avoid introducing too much latency into the pipeline.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | mfidl.h |
| Library | Mfuuid.lib |