Methods > Output devices and system mixers > GetOutputDeviceMinBufferLength method

Remarks

Retrieves the minimal DirectSound buffer length (expressed in milliseconds) supported by a certain output device (sound card). For details about latency, take a look to the How to deal with latency section.

Syntax

[Visual Basic]

control.GetOutputDeviceMinBufferLength (

nIndex as Integer

) as Integer

[C++]

short control.GetOutputDeviceMinBufferLength (

short nIndex

);

Parameter	Description

nIndex	Number representing the zero-based index of the output device whose minimal DirectSound buffer length must be retrieved

Return value

Value	Meaning

Negative value	An error occurred (see the LastError property for further error details)
> 0	The current minimal DirectSound buffer length supported by the chosen output device.