AuGetElementStates3nas
Get the state of elements in a flow
Usage
#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
AuElementStatestructures 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.
Overview
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
AuBadFlow, AuBadLength, AuBadAlloc, AuBadElement.
Releases
14 releases since Debian 2.1 (Slink); the text changed 6 times.