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

See Also

Elements:	IltmmTVTuner::get_Channel, IltmmTVTuner::get_VideoSubChannel, IltmmTVTuner::get_AudioSubChannel, IltmmTVTuner::get_ChannelMax, IltmmTVTuner::get_ChannelMin, IltmmTVTuner::get_VideoFrequency, IltmmTVTuner::get_AudioFrequency
Topics:	Multimedia Function Group

Example

For a C example, refer to IltmmTVTuner::SetChannel Example for C.

For a C++ example, refer to IltmmTVTuner::SetChannel Example for C++.