AuListDevices(3)AuListDevices(3)NameAuListDevices - list devices
Synopsis
#include <audio/audiolib.h>
AuDeviceAttributes *AuListDevices(server, valuemask, attributes, nde‐
vices, 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, AuComp‐
CommonKindMask, AuCompCommonUseMask, AuCommonFormatMask,
AuCommonNumTracksMask, AuCommonAccessMask, AuCommonDescrip‐
tionMask, AuCompDeviceMinSampleRateMask, AuCompDeviceMaxSam‐
pleRateMask, AuCompDeviceLocationMask, AuCompDeviceGainMask,
AuCompDeviceLineModeMask, AuCompDeviceChildrenMask, or AuCom‐
pDeviceMasks. 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.
DescriptionAuListDevices 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 mem‐
ory in the list when its nolonger needed.
Errors
AuBadLength.
See Also
AuGetDeviceAttributes.
audiolib - Network Audio System C Language Interface
audiolib - device attributes 1.9.3 AuListDevices(3)
