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| AuMakeNoopAction(3) | FreeBSD Library Functions Manual | AuMakeNoopAction(3) |
Name
AuMakeNoopAction - initialize an actionSynopsis
#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
| 1.9.4 | audiolib - action initialization |
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