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VideoMixer.OSDItemMovementSet method

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Remarks

 

Sets the movement direction for the given graphical item on the On-Screen-Display (OSD).

 

For further details about the use of the embedded video mixer see the VideoMixer object section.

For details about video mixing/blending refer to the How to use the video mixer tutorial.

 

 

Syntax

 

[Visual Basic]

control.VideoMixer.OSDItemMovementSet (

nMixerUniqueId as Long,

nItemUniqueId as Long,

nDirection as enumOSDAutoMoveDirection,

nSpeedInPixPerSec as Integer

) as enumErrorCodes


 

[C++]

short control.VideoMixer.OSDItemMovementSet (

long nMixerUniqueId,

long nItemUniqueId,

short nDirection,

short nSpeedInPixPerSec

);


 

Parameter

Description

 

 

nMixerUniqueId

Unique identifier of the video mixer returned by a previous call to the VideoMixer.Create method

nItemUniqueId

Unique identifier of item returned by a previous call to one between the VideoMixer.OSDItemTextAdd, VideoMixer.OSDItemOutlineTextAdd, VideoMixer.OSDItemBitmapAdd, VideoMixer.OSDItemPictureFileAdd, VideoMixer.OSDItemPictureMemoryAdd or VideoMixer.OSDItemRectangleAdd methods.

nDirection

Movement direction.

Supported values are the following:

Mnemonic constant

Value

Meaning

OSD_ITEM_AUTO_MOVE_NONE

0

No movement

OSD_ITEM_AUTO_MOVE_LEFT

1

Moves the item from right to left

OSD_ITEM_AUTO_MOVE_RIGHT

2

Moves the item from left to right

OSD_ITEM_AUTO_MOVE_TOP

3

Moves the item from bottom to top

OSD_ITEM_AUTO_MOVE_BOTTOM

4

Moves the item from top to bottom

nSpeedInPixPerSec

Movement speed expressed in pixels per second

 

 

 

Return value

 

Value

Meaning

 

 

Negative value

An error occurred, check the LastError property value in order to get the error code

enumErrorCodes.ERR_NOERROR (0)

The method call was successful