AuMakeNoopAction(3) Library Functions Manual AuMakeNoopAction(3)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
audiolib - action initialization 1.9.3 AuMakeNoopAction(3)
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AuMakeElementExportDevice(3) Library Functions Manual AuMakeElementExportDevice(3)Name
AuMakeElementExportDevice - initialize an ExportDevice element
Synopsis
#include <audio/audiolib.h>
AuMakeElementExportDevice(element, input, device, sample_rate, num_samples, num_actions, actions)
AuElement *element; /* RETURN */
unsigned short input;
AuDeviceID device;
unsigned short sample_rate;
AuUint32 num_samples;
int num_actions;
AuElementAction *actions;
Arguments
element Returns the initialized element.
input Specifies the index of the element to supply the audio data to this element.
device Specifies the ID of the device to send the audio data to.
sample_rate
Specifies the sample_rate of the audio data.
num_samples
Specifies the number of samples to send to the device. Use AuUnlimitedSamples to indicate an unlimited number of samples.
num_actions
Specifies the number of actions in actions.
actions Specifies the list of actions to associate with this element. Entries in this list can be initialized with AuMakeChangeStateAc-
tion, AuMakeSendNotifyAction, and AuMakeNoopAction. May be NULL.
Description
AuMakeElementExportDevice sets the type member of element to AuElementTypeExportDevice and initializes the exportdevice member of element
with the remaining arguments.
AuMakeElementExportDevice is implemented as a macro.
See Also
AuMakeElementAddConstant, AuMakeElementBundle, AuMakeElementExportBucket, AuMakeElementExportClient, AuMakeElementExportMonitor, AuMakeEle-
mentImportBucket, AuMakeElementImportClient, AuMakeElementImportDevice, AuMakeElementImportWaveForm, AuMakeElementMultiplyConstant, AuMa-
keElementSum.
audiolib - Network Audio System C Language Interface
audiolib - element initialization 1.9.3 AuMakeElementExportDevice(3)
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