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Retrieves the current audio sub-channel.
#include "ltmf.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmfTVTuner_get_AudioSubChannel(pTV, pVal) |
| C++ | HRESULT get_AudioSubChannel(pVal) |
Pointer to an IltmfTVTuner interface.
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.
| 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. |
For a list of frequencies for channels, refer to the Microsoft Documentation International Analog TV Tuning at https://learn.microsoft.com/en-us/windows/win32/directshow/international-analog-tv-tuning.
For more detailed information, refer to the Microsoft Documentation for IAMTVTuner::get_Channel.
Win32, x64.
For a C++ example, refer to IltmfTVTuner::get_AudioSubChannel Example for C++.
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