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IltmfTVTuner::SetChannel

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#include "ltmf.h"

C Syntax

HRESULT IltmfTVTuner_SetChannel(pVT, Channel, VideoSubChannel, AudioSubChannel)

C++ Syntax

HRESULT SetChannel(Channel, VideoSubChannel, AudioSubChannel)

 

IltmfTVTuner *pTV;

/* pointer to an interface */

long Channel;

/* channel */

long VideoSubChannel;

/* video sub-channel */

long AudioSubChannel;

/* audio sub-channel */

Sets the TV channel.

Parameter

Description

pTV

Pointer to an IltmfTVTuner interface.

Channel

Value that represents the TV channel to set.

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.

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

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

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

See Also

Elements:

IltmfTVTuner::get_Channel, IltmfTVTuner::get_VideoSubChannel, IltmfTVTuner::get_AudioSubChannel, IltmfTVTuner::get_ChannelMax, IltmfTVTuner::get_ChannelMin, IltmfTVTuner::get_VideoFrequency, IltmfTVTuner::get_AudioFrequency

Topics:

Media Foundation Function Group

Example

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

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