AuListDevices - list devices


AuDeviceAttributes *AuListDevices(server, valuemask, attributes, ndevices, status)
AuServer *server;
AuMask valuemask;
AuDeviceAttributes *attributes;
int *ndevices;
AuStatus *status;


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, AuCommonAccessMask, AuCommonDescriptionMask, AuCompDeviceMinSampleRateMask, AuCompDeviceMaxSampleRateMask, AuCompDeviceLocationMask, AuCompDeviceGainMask, AuCompDeviceLineModeMask, AuCompDeviceChildrenMask, or AuCompDeviceMasks. If valuemask is zero, the attributes are ignored and are not referenced.
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.


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.



See Also


audiolib - Network Audio System C Language Interface
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