EC_PREPROCESS_COMPLETE

[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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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.]

Sent by the WM ASF Writer filter when it completes the pre-processing for multipass encoding.

Parameters

lParam1

Zero.

lParam2

(IUnknown*) Pointer to the IBaseFilter interface of the filter.

Default Action

None.

Requirements

Requirement Value
Header
Dshow.h

See also

Event Notification Codes

Event Notification in DirectShow