IDvbSiParser::GetNIT

Microsoft DirectShow 9.0

IDvbSiParser::GetNIT

This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later.

The GetNIT method retrieves the network information table (NIT).

Syntax

  HRESULT GetNIT(
  TID  tableId,
  WORD*  pwNetworkId,
  IDVB_NIT**  ppNIT
);

Parameters

tableId

[in]  Specifies the table identifier of the NIT. Use one of the values in the following table.

Value	Description
DVB_NIT_ACTUAL_TID (0x40)	NIT for the network that carries this transport stream.
DVB_NIT_OTHER_TID (0x41)	NIT for another network.

pwNetworkId

[in]  Optional parameter that contains a network identifier. You can use this value to filter the request. Otherwise, set this parameter to NULL.

ppNIT

[out]  Address of a variable that receives an IDVB_NIT interface pointer. The caller must release the interface.

Return Values

The method returns an HRESULT. Possible values include those in the following table.

Return code	Description
E_INVALIDARG	Invalid argument.
E_POINTER	NULL pointer argument.
MPEG2_E_SECTION_NOT_FOUND	The filter did not receive the table in the allotted time.
S_OK	The method succeeded.

Remarks

The method fails if the filter does not receive a matching table within a predetermined length of time.

Requirements

Header: Include dvbsiparser.h.

See Also

• IDvbSiParser Interface