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Chapter 40 Buffer Handler Functions

27-16

27.15 AL_SetBufferSize

Prototype C\C++

ERRNUM AL_SetBufferSize(LHLD lhld, long lBuffSize);

Visual Basic for Windows

Function AL_SetBufferSize(ByVal lhld As Long, ByVal lBuffSize As Long) As Long

LHLD lhld handle of the LDSD

long lBuffSize specifies the size of buffer(s)

The AL_SetBufferSize function sets the size of buffer(s) in samples in the LDSD.

The actual size in bytes allocated is a factor of the devices sample size. If a given LDSD requires 2 bytes

per sample and lBuffSize is set to 1000, 2000 bytes would be allocated for each buffer on behalf of the

LDSD.

Parameter Description

lhld Identifies the instance of the logical device subsystem.

lBuffSize Specifies the size of buffer(s) required for a hardware subsystem.

Returns:

On success ERRNUM is set to 1, otherwise ERRNUM contains the last error code that occurred during the

call.

Related Functions:

AL_SetNumOfBuffers

AL_GetBufferSize

Supported Logical Device Subsystems:

Pci55xx Series: ADC0, DAC0, DAC1

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Measurement-computing ADLIB WIN Manuale Utente Pagina 136