CBaseVideoRenderer.OnDirectRender method
[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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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 OnDirectRender method collects timing information that controls synchronization and quality control.
Syntax
virtual HRESULT OnDirectRender(
IMediaSample *pMediaSample
);
Parameters
-
pMediaSample
-
Pointer to the IMediaSample interface of the media sample.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
Call this method instead of OnRenderStart and OnRenderEnd. This method is used by the DirectDraw video renderer.
Requirements
| Requirement | Value |
|---|---|
| Header |
|
| Library |
|
See also
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