LEADTOOLS Media Foundation Help > LEADTOOLS Media Foundation Features > Media Foundation Function References > IltmfTVTuner Interface > IltmfTVTuner::get_VideoSubChannel |
#include "ltmf.h"
C Syntax |
HRESULT IltmfTVTuner_get_VideoSubChannel(pTV, pVal) |
C++ Syntax |
HRESULT get_VideoSubChannel(pVal) |
IltmfTVTuner *pTV; |
/* pointer to an interface */ |
long *pVal; |
/* pointer to a variable */ |
Retrieves the current video sub-channel.
Parameter |
Description |
|
pTV |
Pointer to an IltmfTVTuner interface. |
|
pVal |
Pointer to a variable to be updated with the current video sub-channel. Possible values are: |
|
|
Value |
Meaning |
|
ltmfTUNER_SUBCHAN_DEFAULT |
The default subchannel. |
|
ltmfTUNER_SUBCHAN_NO_TUNE |
Subchannels not supported. |
|
Any other value |
The current video sub-channel. |
|
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
For a list of frequencies for channels, refer to the Microsoft Documentation International Analog TV Tuning at
http://msdn.microsoft.com/en-us/library/dd390350(vs.85).aspx.
For more detailed information, refer to the Microsoft Documentation for IAMTVTuner::get_Channel at
http://msdn.microsoft.com/en-us/library/dd375949(vs.85).aspx.
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
See Also
Elements: |
IltmfTVTuner::get_AudioSubChannel, IltmfTVTuner::SetChannel, IltmfTVTuner::get_Channel, IltmfTVTuner::get_ChannelMax, IltmfTVTuner::get_ChannelMin |
Topics: |
Example
For a C++ example, refer to IltmfTVTuner::get_VideoSubChannel Example for C++.