EC_VIDEO_SIZE_AR_CHANGED
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4/8/2010
The size or aspect ratio of the native video has changed.
Parameters
- lParam1
Low-order WORD value is the width in pixels; high-order WORD is the height in pixels.
- lParam2
Low-order WORD value is the picture's aspect ratio for the x-axis; high-order WORD is the picture's aspect ratio for the y-axis.
Remarks
This event notification is sent whenever a video renderer detects a change in native video size or a change in the video aspect ratio.
The DirectShow renderers detect whether the video has changed size or not prior to sending these events.
For information on how to use this event code, see CBaseFilter::NotifyEvent.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment |