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AuMakeChangeStateAction(3) Library Functions Manual AuMakeChangeStateAction(3) Name AuMakeChangeStateAction - initialize an action Synopsis #include <audio/audiolib.h> AuMakeChangeStateAction(action, trigger_state, trigger_prev_state, trig- ger_reason, flow, element_num, new_state) AuElementAction action; /* RETURN */ unsigned char trigger_state; unsigned char trigger_prev_state; unsigned char trigger_reason; AuFlowID flow; unsigned char element_num; unsigned char new_state; Arguments action Returns the initialized action. trigger_state Specifies the state that triggers the action. This must be one of these constants: AuStateStop, AuStateStart, AuStatePause, or AuStateAny. trigger_prev_state Specifies the previous state for the trigger. This must be one of these constants: AuStateStop, AuStateStart, AuStatePause, or AuStateAny. trigger_reason Specifies the reason for the action. This must be one of these constants: AuReasonUser, AuReasonUnderrun, AuReasonOverrun, Au- ReasonEOF, AuReasonWatermark, AuReasonHardware, or AuReasonAny. flow Specifies the ID of the flow to affect. element_num Specifies the index of the element to affect. new_state Specifies the new state for the flow. This must be one of thses constants: AuStateStop, AuStateStart, or AuStatePause. Description AuMakeChangeStateAction sets the action field of action to AuElementAction- ChangeState and initializes the other fields with the remaining arguments. AuMakeChangeStateAction is implemented as a macro. See Also AuMakeSendNotifyAction, AuMakeNoopAction. audiolib - Network Audio System C Language Interface audiolib - action initialization 1.9.4 AuMakeChangeStateAction(3)
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