AuListDevices(3)AuListDevices(3)Name
AuListDevices - list devices
Synopsis
#include <audio/audiolib.h>
AuDeviceAttributes *AuListDevices(server, valuemask,
attributes, ndevices, status)
AuServer *server;
AuMask valuemask;
AuDeviceAttributes *attributes;
int *ndevices; /* RETURN */
AuStatus *status; /* RETURN */
Arguments
server Specifies the connection to the audio server.
valuemask Specifies which device attributes are defined in
the attributes argument. This must be a bitwise
inclusive OR of zero or more of these constants:
AuCompCommonIDMask, AuCompCommonKindMask, AuCom
pCommonUseMask, AuCommonFormatMask, AuCommonNum
TracksMask, AuCommonAccessMask, AuCommonDescrip
tionMask, AuCompDeviceMinSampleRateMask, AuCom
pDeviceMaxSampleRateMask, AuCompDeviceLocation
Mask, AuCompDeviceGainMask, AuCompDevice
LineModeMask, AuCompDeviceChildrenMask, or
AuCompDeviceMasks. If valuemask is zero, the
attributes are ignored and are not referenced.
attributes
Specifies the structure from which the values
(as specified by the value mask) are to be
taken.
ndevices Returns the number of devices in the returned
list.
status If non-NULL, flush the output buffer and return
the status from the server.
Description
AuListDevices returns a list of devices whose attributes
match those values in attributes specified by valuemask,
or NULL, with ndevices set to 0, if there was an error.
Use AuFreeDeviceList to release the memory in the list
when its nolonger needed.
Errors
AuBadLength.
See Also
AuGetDeviceAttributes.
audiolib - device attributes 1.2 1
AuListDevices(3)AuListDevices(3)
audiolib - Network Audio System C Language Interface
audiolib - device attributes 1.2 2
