LEADTOOLS Media Foundation Help > LEADTOOLS Media Foundation Features > Media Foundation Function References > IltmfTVTuner Interface > IltmfTVTuner::SetChannel |
#include "ltmf.h"
C Syntax |
HRESULT IltmfTVTuner_SetChannel(pVT, Channel, VideoSubChannel, AudioSubChannel) |
C++ Syntax |
HRESULT SetChannel(Channel, VideoSubChannel, AudioSubChannel) |
IltmfTVTuner *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 IltmfTVTuner interface. |
|
Channel |
Value that represents the TV channel to set. |
|
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. |
|
AudioSubChannel |
Value that represents a predefined audio sub-channel. Possible values are: |
|
|
Value |
Meaning |
|
ltmfTUNER_SUBCHAN_DEFAULT |
The default subchannel. |
|
ltmfTUNER_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 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. |
Win32, x64
See Also
Example
For a C++ example, refer to IltmfTVTuner::SetChannel Example for C++.