IltmfTVTuner::SetChannel

Summary

Sets the TV channel.

Syntax

#include "ltmf.h"

Platform Syntax
C HRESULT IltmfTVTuner_SetChannel(pVT, Channel, VideoSubChannel, AudioSubChannel)
C++ HRESULT SetChannel(Channel, VideoSubChannel, AudioSubChannel)

Parameters

IltmfTVTuner *pTV

Pointer to an IltmfTVTuner interface.

long Channel

Value that represents the TV channel to set.

long VideoSubChannel

Value that represents a predefined video sub-channel. Possible values are:

Value Meaning
ltmfTUNER_SUBCHAN_DEFAULT The default subchannel.
ltmfTUNER_SUBCHAN_NO_TUNE No tuning.

This parameter is valid only for satellite broadcasts.

long AudioSubChannel

Value that represents a predefined audio sub-channel. Possible values are:

Value Meaning
ltmfTUNER_SUBCHAN_DEFAULT The default subchannel.
ltmfTUNER_SUBCHAN_NO_TUNE Subhannels not supported.

This parameter is valid only for satellite broadcasts.

Returns

Value Meaning
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 converts the TV channel to a TV frequency. For a list of frequencies for channels, see the Microsoft Documentation International Analog TV Tuning.

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

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

For a C++ example, refer to IltmfTVTuner::SetChannel Example for C++.

Help Version 22.0.2022.6.24
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Media Foundation C API Help

Products | Support | Contact Us | Intellectual Property Notices
© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.