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EC_DRM_LEVEL (Compact 2013)

3/26/2014

This event code notifies when content protected by digital rights management (DRM) requests some form of analog content protection. This event is not supported in Windows Media DRM 7.1.

Parameters

  • lParam1
    This value determines which structure the IParam2 parameter points to. If the value of IParam1 is equal to DRM_PLAY_OPL_CALLBACK, the IParam2 points to a DRM_PLAY_OPL structure. If the value of IParam1 is equal to DRM_COPY_OPL_CALLBACK, the IParam2 points to a DRM_COPY_OPL structure.
  • lParam2
    Contains the pointer to a structure that details the form of analog content protection required by the content. The exact structure that IParam2 points to is determined by the value of IParam1 parameter.

Remarks

For information on how to use this event code, see CBaseFilter::NotifyEvent.

Requirements

Header

dshow.h

Library

Strmiids.lib

See Also

Reference

Event Notification Codes