IltmfTVTuner::AutoTune

#include "ltmf.h"

C Syntax

HRESULT IltmfTVTuner_AutoTune(pTV, Channel, pVal)

C++ Syntax

HRESULT AutoTune(Channel, pVal)

IltmfTVTuner *pTV;

pointer to an interface

long Channel;

channel

long *pVal;

pointer to a variable

Fine tunes the specified channel by scanning for the most precise signal for that channel.

Parameter

Description

pTV

Pointer to an IltmfTVTuner interface.

Channel

Number of the channel to "fine tune".

pVal

Pointer to a variable to be updated with a value that indicates whether the signal was found. A nonzero value indicates the signal was found. Zero indicates the signal was not found.

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

This function maps the TV channel to a frequency and searches for the most precise frequency for this channel, in the area. Calling this function for every channel in a region or country allows you to create a table of channel and frequency information. Once all channels in the region or country have been scanned, use IltmfTVTuner::StoreAutoTune to save the channel information.

For more detailed information, refer to the Microsoft documentation for IAMTVTuner::AutoTune.

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 21.0.2021.7.2
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 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
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.