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AuMakeNoopAction

AuMakeNoopAction

Name

AuMakeNoopAction - initialize an action

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

AuMakeChangeStateAction,AuMakeSendNotifyAction
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