SpanningEventEmmMessage structure

Contains information about an Entitlement Management Message (EMM). For more information, refer to ARIB STD-B25, Conditional Access System Specifications for Digital Broadcasting. (This resource may not be available in some languages and countries.)

Syntax


typedef struct _SpanningEventEmmMessage {
  BYTE  bCAbroadcasterGroupId;
  BYTE  bMessageControl;
  WORD  wServiceId;
  WORD  wTableIdExtension;
  BYTE  bDeletionStatus;
  BYTE  bDisplayingDuration1;
  BYTE  bDisplayingDuration2;
  BYTE  bDisplayingDuration3;
  BYTE  bDisplayingCycle;
  BYTE  bFormatVersion;
  BYTE  bDisplayPosition;
  WORD  wMessageLength;
  WCHAR szMessageArea[MIN_DIMENSION];
} SpanningEventEmmMessage;

Members

bCAbroadcasterGroupId

The value of the ca_broadcaster_group_ID field from the Condition Access (CA) service descriptor.

bMessageControl

The value of the message_control field from the CA service descriptor.

wServiceId

The service ID for the network.

wTableIdExtension

The table ID extension. If this value is zero, the remaining structure members are ignored.

bDeletionStatus

The value of the deletion_status field.

bDisplayingDuration1

The value of the displaying_duration1 field.

bDisplayingDuration2

The value of the displaying_duration2 field.

bDisplayingDuration3

The value of the displaying_duration3 field.

bDisplayingCycle

The value of the displaying_cycle field.,

bFormatVersion

The value of the format_version field.

bDisplayPosition

The display position.

wMessageLength

The number of bytes of data in the szMessageArea array.

szMessageArea

The contents of the message. This array might be larger than the size given in the structure declaration. Use the value of szMessageArea to determine the size.

Requirements

Minimum supported client

Windows 7 [desktop apps only]

Minimum supported server

Windows Server 2008 R2 [desktop apps only]

Header

Bdamedia.h

 

 

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Build date: 10/27/2012

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