AuListDevices(3) Library Functions Manual 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, AuCompCommonUseMask, AuCommonFormatMask, AuCommonNumTracksMask, AuCom-
monAccessMask, AuCommonDescriptionMask, AuCompDeviceMinSampleRateMask, AuCompDeviceMaxSampleRateMask, AuCompDeviceLocationMask,
AuCompDeviceGainMask, AuCompDeviceLineModeMask, 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 - Network Audio System C Language Interface
audiolib - device attributes 1.9.3 AuListDevices(3)
