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IltmfTVTuner::get_AudioSubChannel

#include "ltmf.h"

C Syntax	HRESULT IltmfTVTuner_get_AudioSubChannel(pTV, pVal)
C++ Syntax	HRESULT get_AudioSubChannel(pVal)

IltmfTVTuner *pTV;	pointer to an interface
long *pVal;	pointer to a variable

Retrieves the current audio sub-channel.

Parameter	Description
pTV	Pointer to an IltmfTVTuner interface.
pVal	Pointer to a variable to be updated with the current audio sub-channel. Possible values are:
	Value	Meaning
	ltmfTUNER_SUBCHAN_DEFAULT	The default subchannel.
	ltmfTUNER_SUBCHAN_NO_TUNE	No tuning.
	Any other value	The current audio sub-channel.
	This parameter is valid only for satellite broadcasts.

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

For a list of frequencies for channels, refer to the Microsoft Documentation International Analog TV Tuning at https://docs.microsoft.com/en-us/windows/win32/directshow/international-analog-tv-tuning.

For more detailed information, refer to the Microsoft Documentation for IAMTVTuner::get_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.

Win32, x64

Help Version 21.0.2021.7.2

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Elements:	IltmfTVTuner::get_VideoSubChannel, IltmfTVTuner::SetChannel, IltmfTVTuner::get_Channel, IltmfTVTuner::get_ChannelMax, IltmfTVTuner::get_ChannelMin
Topics:	Media Foundation Function Group