Difference between revisions of "Unit Audio"
From Ultibo.org
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This unit provides both the Audio device interface and the generic USB audio device driver. | This unit provides both the Audio device interface and the generic USB audio device driver. | ||
Revision as of 04:50, 31 August 2021
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Contents
[hide]Description
Ultibo Audio Interface unit
This unit provides both the Audio device interface and the generic USB audio device driver.
Constants
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Audio specific constants
AUDIO_*
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Audio device types
AUDIO_TYPE_*
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Audio device states
AUDIO_STATE_*
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Audio device flags
AUDIO_FLAG_*
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Audio logging
AUDIO_LOG_*
Type definitions
Audio properties
Audio enumeration callback
TAudioEnumerate = function(Audio:PAudioDevice; Data:Pointer):LongWord;
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Audio notification callback
TAudioNotification = function(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;
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Audio device get properties
TAudioDeviceGetProperties = function(Audio:PAudioDevice; Properties:PAudioProperties):LongWord;
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Audio device
Public variables
Audio logging
AUDIO_DEFAULT_LOG_LEVEL:LongWord = AUDIO_LOG_LEVEL_DEBUG;
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Minimum level for Audio messages. Only messages with level greater than or equal to this will be printed. |
AUDIO_LOG_ENABLED:Boolean;
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Function declarations
Initialization functions
Audio device functions
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function AudioDeviceGetProperties(Audio:PAudioDevice; Properties:PAudioProperties):LongWord;
Description: Get the properties for the specified Audio device
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function AudioDeviceCreateEx(Size:LongWord):PAudioDevice;
Description: Create a new Audio device entry
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function AudioDeviceDestroy(Audio:PAudioDevice):LongWord;
Description: Destroy an existing Audio device entry
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function AudioDeviceRegister(Audio:PAudioDevice):LongWord;
Description: Register a new Audio device in the Audio device table
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function AudioDeviceDeregister(Audio:PAudioDevice):LongWord;
Description: Deregister an Audio device from the Audio device table
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function AudioDeviceFindByName(const Name:String):PAudioDevice; inline;
Description: To be documented
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function AudioDeviceFindByDescription(const Description:String):PAudioDevice; inline;
Description: To be documented
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function AudioDeviceEnumerate(Callback:TAudioEnumerate; Data:Pointer):LongWord;
Description: To be documented
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function AudioDeviceNotification(Audio:PAudioDevice; Callback:TAudioNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
Audio helper functions
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function AudioDeviceGetDefault:PAudioDevice; inline;
Description: Get the current default Audio device
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function AudioDeviceSetDefault(Audio:PAudioDevice):LongWord;
Description: Set the current default Audio device
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function AudioDeviceCheck(Audio:PAudioDevice):PAudioDevice;
Description: Check if the supplied Audio device is in the Audio device table
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procedure AudioLog(Level:LongWord; Audio:PAudioDevice; const AText:String);
Description: To be documented
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procedure AudioLogInfo(Audio:PAudioDevice; const AText:String); inline;
Description: To be documented
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procedure AudioLogWarn(Audio:PAudioDevice; const AText:String); inline;
Description: To be documented
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procedure AudioLogError(Audio:PAudioDevice; const AText:String); inline;
Description: To be documented
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procedure AudioLogDebug(Audio:PAudioDevice; const AText:String); inline;
Description: To be documented
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