通过

IAMWstDecoder::GetCurrentService

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Microsoft DirectShow 9.0

IAMWstDecoder::GetCurrentService

Applications use the GetCurrentService method to retrieve the current WST service.

Syntax

  HRESULT GetCurrentService(
  
  AM_WST_SERVICE*
  
  lpService
  
  );

Parameters

lpService

[out]  Specifies a pointer to an AM_WST_SERVICE enumeration to receive the service currently being used.

Value Description
AM_WST_SERVICE_None No service is currently available.
AM_WST_SERVICE_Text The service is providing text.
AM_WST_SERVICE_IDS The service is providing IDS data.
AM_WST_SERVICE_Invalid The service is invalid.

Return Values

When the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Header: Include Iwstdec.h.

Library: Use Strmiids.lib.

See Also