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IltmfTVTuner::SetChannel

Summary

Sets the TV channel.

Syntax

#include "ltmf.h"

Language	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	Subchannels 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

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.

Example

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

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