Name

AuGetElementStates - get the state of elements in a flow

Synopsis

#include <audio/audiolib.h>

AuElementState *AuGetElementStates(server, num_states, states, status) AuServer *server; int *num_states; /* SEND and RETURN */ AuElementState *states; AuStatus *status; /* RETURN */

Arguments

server: Specifies the connection to the audio server.
num_states: Specifies the number of element states in states and returns the number of element states actually returned.
states: Specifies the list of AuElementState structures indicating the flow and element number of the elements to return the state of.
status: If non-NULL, flush the output buffer and return the status from the server.

Description

AuGetElementStates returns a list of element states, or NULL, with num_states set to 0, if there was an error. Use AuFreeElementStates to free this list when nolonger needed.

NOTES

Attempting to get the state of a non-component element (AddConstant, Bundle, ExportMonitor, MultiplyConstant, and Sum) will result in an error.

Errors