AuMakeNoopAction
initialize an action
- Provided by: libaudio-dev (Version: 1.9.4-6build1)
- Source: nas
- Report a bug
Synopsis
#include <audio/audiolib.h>
AuMakeNoopAction(action, trigger_state,
trigger_prev_state, trigger_reason)
AuElementAction action; /* RETURN */
unsigned char trigger_state;
unsigned char trigger_prev_state;
unsigned char trigger_reason;
Arguments
- action
- Returns the initialized action.
- trigger_state
- Specifies the state that triggers the action. This must be one of thses constants: AuStateStop, AuStateStart, AuStatePause, or AuStateAny.
- trigger_prev_state
- Specifies the previous state for the trigger. This must be one of thses constants: AuStateStop, AuStateStart, AuStatePause, or AuStateAny.
- trigger_reason
- Specifies the reason for the action. This must be one of these constants: AuReasonUser, AuReasonUnderrun, AuReasonOverrun, AuReasonEOF, AuReasonWatermark, AuReasonHardware, or AuReasonAny.
Description
AuMakeNoopAction sets the action field of action to AuElementActionNoop and initializes the other fields with the remaining arguments.
AuMakeNoopAction is implemented as a macro.
See Also
AuMakeChangeStateAction, AuMakeSendNotifyAction.
audiolib - Network Audio System C Language Interface