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VideoMixer.OSDItemPictureMemoryChange method

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Remarks

 

Changes the picture for an existing 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]

Public Function OSDItemPictureMemoryChange (

nMixerUniqueId as Int32,

nItemUniqueId as Int32,

pBuffer() as Byte,

nBufferLength as Int32

) as enumErrorCodes


 

[C#]

public enumErrorCodes OSDItemPictureMemoryChange (

Int32 nMixerUniqueId,

Int32 nItemUniqueId,

byte[] pBuffer,

Int32 nBufferLength

);


 

[C++]

public: enumErrorCodes OSDItemPictureMemoryChange (

Int32 nMixerUniqueId,

Int32 nItemUniqueId,

unsigned char __gc[] pBuffer,

Int32 nBufferLength

);


 

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 the VideoMixer.OSDItemPictureMemoryAdd method

pBuffer

Buffer containing the picture file data.

Accepted picture formats are BMP, GIF, JPEG and PNG.

nBufferLength

Length in bytes of the given buffer

 

 

 

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