IltmmTVTuner::SetChannel

#include "ltmm.h"

C Syntax

HRESULT IltmmTVTuner_SetChannel(pVT, Channel, VideoSubChannel, AudioSubChannel)

C++ Syntax

HRESULT SetChannel(Channel, VideoSubChannel, AudioSubChannel)

IltmmTVTuner *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 IltmmTVTuner interface.
Channel Value that represents the TV channel to set.
VideoSubChannel Value that represents a predefined video sub-channel. Possible values are:
  Value Meaning
  ltmmTUNER_SUBCHAN_DEFAULT The default subchannel.
  ltmmTUNER_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
  ltmmTUNER_SUBCHAN_DEFAULT The default subchannel.
  ltmmTUNER_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 DirectShow 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

LTMM

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 21.0.2021.7.19
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