IMFDevice

Operates with devices (input and output)

Methods

DeviceClose

Closes the current device

Syntax

void DeviceClose()

DeviceGet

Gets the current device of a selected type

Syntax

void DeviceGet( 
   eMFDeviceType _eDevType,
   out int _pnIndex,
   out string _pbsName
)

Parameters

_eDevType - device type
_pnIndex - index of selected device
_pbsName - the name of the device 

DeviceGetByIndex

Gets a device by its index.

Syntax

void DeviceGetByIndex( 
   eMFDeviceType _eDevType,
   int _nIndex,
   out string _pbsName,
   out int _pbBusy
)

Parameters

_eDevType - device's type
_nIndex - index of a device
_pbsName - device's name
_pbBusy - indicates whether the device busy

DeviceGetCount

Gets a number of available devices of the selected type

Syntax

void DeviceGetCount( 
   eMFDeviceType _eDevType,
   out int _pnCount
)

Parameters

_eDevType - device's type
_pnCount - number of available devices

DeviceGetInternal

gets access to the internal object.

Syntax

void DeviceGetInternal( 
   eMFDeviceType _eDevType,
   out object _ppObject
)

Parameters

_eDevType - device type: eMFDT_Video - returns you video source object, for example ScreenCapture filter eMFDT_Audio - returns audio source object eMFDT_All - returns complete DirectShow graph
_ppObject - result object

DeviceOpen

Open a device for work

Syntax

void DeviceOpen( 
   string _bsDeviceConfig,
   string _bsPropsList
)

Parameters

_bsDeviceConfig - device's configuration
_bsPropsList - additional properties

DeviceSet

Sets a device of the specified type.

Syntax

void DeviceSet( 
   eMFDeviceType _eDevType,
   int _nIndex,
   string _bsParam
)

Parameters

_eDevType - device's type
_nIndex - index of a device
_bsParam - additional parameters

DeviceShowProps

Shows the device's property page if available.

Syntax

void DeviceShowProps( 
   eMFDeviceType _eDevType,
   string _bsPropsType,
   long _lWndHandle
)

Parameters

_eDevType - device's type
_bsPropsType - property's type
_lWndHandle - window handle to display a property pageю