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EC_VIDEO_SIZE_AR_CHANGED (Windows CE 5.0)

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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

DirectShow applications and DirectShow filters have different include file and link library requirements.

For more information, see Setting Up the Build Environment.

Pocket PC: Windows Mobile 5.0 and later
Smartphone: Windows Mobile 5.0 and later
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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See Also

Event Notification Codes

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