IltmfTVTuner::get_SignalPresent

#include "ltmf.h"

C Syntax

HRESULT IltmfTVTuner_get_SignalPresent(pTV, pVal)

C++ Syntax

HRESULT get_SignalPresent(pVal)

IltmfTVTuner *pTV;

pointer to an interface

long *pVal;

pointer to a variable

Gets a value that indicates whether a signal is present on the current channel.

Parameter Description
pTV Pointer to an IltmfTVTuner interface.
pVal Pointer to a variable to be updated with a value that indicates whether a signal is present on the current channel.  Possible values are:
  Value Meaning
  ltmfTUNER_HASNOSIGNALSTRENGTH The signal strength cannot be determined now.
  ltmfTUNER_NOSIGNAL No signal detected.
  ltmfTUNER_SIGNALPRESENT Signal detected.

Returns

S_OK

The function was successful.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the MediaFoundation documentation.

Comments

For more detailed information, refer to the Microsoft documentation for IAMTuner::SignalPresent.

Required DLLs and Libraries

LTMF

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

Help Version 19.0.2017.10.27
Products | Support | Contact Us | Copyright Notices
© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
LEADTOOLS Media Foundation C API Help
Introduction
Version History
Getting Started
Copyright notice
Installation Directory
Media Foundation Files You Must Include With Your Application (Redistributables)
LEADTOOLS Media Foundation Features
Programming with LEADTOOLS Media Foundation
Appendix
LEADTOOLS Licensing