Difference between revisions of "Unit Audio"

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(Created page with "Return to Unit Reference === Description === ---- ''To be documented'' === Constants === ---- ''To be documented'' === Type definitions === ---- ''To...")
 
 
(8 intermediate revisions by the same user not shown)
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----
 
----
  
−
''To be documented''
+
'''Ultibo Audio Interface unit'''
 +
 
 +
This unit provides both the Audio device interface and the generic USB audio device driver.
  
 
=== Constants ===
 
=== Constants ===
 
----
 
----
  
−
''To be documented''
+
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''Audio specific constants''' <code> AUDIO_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>AUDIO_NAME_PREFIX = 'Audio';</code>
 +
| Name prefix for Audio Devices
 +
|-
 +
|}
 +
</div></div>
 +
<br /> 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''Audio device types''' <code> AUDIO_TYPE_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>AUDIO_TYPE_NONE = 0;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br /> 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''Audio device states''' <code> AUDIO_STATE_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>AUDIO_STATE_DISABLED = 0;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
| <code>AUDIO_STATE_ENABLED = 1;</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br /> 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''Audio device flags''' <code> AUDIO_FLAG_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>AUDIO_FLAG_NONE = $00000000;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br /> 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''Audio logging''' <code> AUDIO_LOG_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>AUDIO_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;</code>
 +
| Audio debugging messages
 +
|-
 +
| <code>AUDIO_LOG_LEVEL_INFO = LOG_LEVEL_INFO;</code>
 +
| Audio informational messages, such as a device being attached or detached
 +
|-
 +
| <code>AUDIO_LOG_LEVEL_WARN = LOG_LEVEL_WARN;</code>
 +
| Audio warning messages
 +
|-
 +
| <code>AUDIO_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;</code>
 +
| Audio error messages
 +
|-
 +
| <code>AUDIO_LOG_LEVEL_NONE = LOG_LEVEL_NONE;</code>
 +
| No Audio messages
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Type definitions ===
 
=== Type definitions ===
 
----
 
----
  
−
''To be documented''
+
 
 +
'''Audio properties'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PAudioProperties = ^TAudioProperties;</code>
 +
 
 +
<code>TAudioProperties = record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>Flags:LongWord;</code>
 +
| Device flags (eg AUDIO_FLAG_????)
 +
|-
 +
|}
 +
</div></div>
 +
 
 +
'''Audio enumeration callback'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TAudioEnumerate = function(Audio:PAudioDevice; Data:Pointer):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''Audio notification callback'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TAudioNotification = function(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''Audio device get properties'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TAudioDeviceGetProperties = function(Audio:PAudioDevice; Properties:PAudioProperties):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''Audio device'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PAudioDevice = ^TAudioDevice;</code>
 +
 
 +
<code>TAudioDevice = record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
|colspan="2"|''Device Properties''
 +
|-
 +
| <code>Device:TDevice;</code>
 +
| The Device entry for this Audio device
 +
|-
 +
|colspan="2"|''Audio Properties''
 +
|-
 +
| <code>AudioId:LongWord;</code>
 +
| Unique Id of this Audio device in the Audio device table
 +
|-
 +
| <code>AudioState:LongWord;</code>
 +
| Audio device state (eg AUDIO_STATE_ENABLED)
 +
|-
 +
| <code>DeviceGetProperties:TAudioDeviceGetProperties;</code>
 +
| A Device specific DeviceGetProperties method implementing the standard Audio device interface (Or nil if the default method is suitable)
 +
|-
 +
|colspan="2"|''Driver Properties''
 +
|-
 +
| <code>Lock:TMutexHandle;</code>
 +
| Device lock
 +
|-
 +
| <code>Properties:TAudioProperties;</code>
 +
| Device properties
 +
|-
 +
|colspan="2"|''Internal Properties''
 +
|-
 +
| <code>Prev:PAudioDevice;</code>
 +
| Previous entry in Audio device table
 +
|-
 +
| <code>Next:PAudioDevice;</code>
 +
| Next entry in Audio device table
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Public variables ===
 
=== Public variables ===
 
----
 
----
  
−
''To be documented''
+
 
 +
'''Audio logging'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>AUDIO_DEFAULT_LOG_LEVEL:LongWord = AUDIO_LOG_LEVEL_DEBUG;</code>
 +
| style="width: 40%;"|Minimum level for Audio messages. Only messages with level greater than or equal to this will be printed.
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>AUDIO_LOG_ENABLED:Boolean; </code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
<br />
  
 
=== Function declarations ===
 
=== Function declarations ===
 
----
 
----
  
−
''To be documented''
 
  
 +
'''Initialization functions'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure AudioInit;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Initialize the Audio unit and Audio device table</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| Called only during system startup
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
 +
'''Audio device functions'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceGetProperties(Audio:PAudioDevice; Properties:PAudioProperties):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the properties for the specified Audio device</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Audio
 +
| The Audio device to get properties from
 +
|-
 +
! Properties
 +
| Pointer to a TAudioProperties structure to fill in
 +
|-
 +
! Return
 +
| ERROR_SUCCESS if completed or another error code on failure
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceCreate:PAudioDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Create a new Audio device entry</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Return
 +
| Pointer to new Audio device entry or nil if Audio device could not be created
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceCreateEx(Size:LongWord):PAudioDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Create a new Audio device entry</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Size
 +
| Size in bytes to allocate for new Audio device (Including the Audio device entry)
 +
|-
 +
! Return
 +
| Pointer to new Audio device entry or nil if Audio device could not be created
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceDestroy(Audio:PAudioDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Destroy an existing Audio device entry</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceRegister(Audio:PAudioDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Register a new Audio device in the Audio device table</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceDeregister(Audio:PAudioDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Deregister an Audio device from the Audio device table</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceFind(AudioId:LongWord):PAudioDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceFindByName(const Name:String):PAudioDevice; inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceFindByDescription(const Description:String):PAudioDevice; inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceEnumerate(Callback:TAudioEnumerate; Data:Pointer):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceNotification(Audio:PAudioDevice; Callback:TAudioNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
 +
'''Audio helper functions'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioGetCount:LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current Audio device count</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceGetDefault:PAudioDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default Audio device</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceSetDefault(Audio:PAudioDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Set the current default Audio device</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function AudioDeviceCheck(Audio:PAudioDevice):PAudioDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Check if the supplied Audio device is in the Audio device table</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure AudioLog(Level:LongWord; Audio:PAudioDevice; const AText:String);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure AudioLogInfo(Audio:PAudioDevice; const AText:String); inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure AudioLogWarn(Audio:PAudioDevice; const AText:String); inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure AudioLogError(Audio:PAudioDevice; const AText:String); inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
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<pre style="border: 0; padding-bottom:0px;">procedure AudioLogDebug(Audio:PAudioDevice; const AText:String); inline;</pre>
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Return to [[Unit_Reference|Unit Reference]]

Latest revision as of 04:03, 15 December 2022

Return to Unit Reference


Description

Ultibo Audio Interface unit

This unit provides both the Audio device interface and the generic USB audio device driver.

Constants


[Expand]
Audio specific constants AUDIO_*


[Expand]
Audio device types AUDIO_TYPE_*


[Expand]
Audio device states AUDIO_STATE_*


[Expand]
Audio device flags AUDIO_FLAG_*


[Expand]
Audio logging AUDIO_LOG_*


Type definitions


Audio properties

[Expand]

PAudioProperties = ^TAudioProperties;

TAudioProperties = record

Audio enumeration callback

TAudioEnumerate = function(Audio:PAudioDevice; Data:Pointer):LongWord;

Audio notification callback

TAudioNotification = function(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;

Audio device get properties

TAudioDeviceGetProperties = function(Audio:PAudioDevice; Properties:PAudioProperties):LongWord;

Audio device

[Expand]

PAudioDevice = ^TAudioDevice;

TAudioDevice = record


Public variables


Audio logging

AUDIO_DEFAULT_LOG_LEVEL:LongWord = AUDIO_LOG_LEVEL_DEBUG; Minimum level for Audio messages. Only messages with level greater than or equal to this will be printed.
AUDIO_LOG_ENABLED:Boolean;


Function declarations


Initialization functions

[Expand] 
procedure AudioInit;
Description: Initialize the Audio unit and Audio device table


Audio device functions

[Expand] 
function AudioDeviceGetProperties(Audio:PAudioDevice; Properties:PAudioProperties):LongWord;
Description: Get the properties for the specified Audio device


[Expand] 
function AudioDeviceCreate:PAudioDevice;
Description: Create a new Audio device entry


[Expand] 
function AudioDeviceCreateEx(Size:LongWord):PAudioDevice;
Description: Create a new Audio device entry


[Expand] 
function AudioDeviceDestroy(Audio:PAudioDevice):LongWord;
Description: Destroy an existing Audio device entry


[Expand] 
function AudioDeviceRegister(Audio:PAudioDevice):LongWord;
Description: Register a new Audio device in the Audio device table


[Expand] 
function AudioDeviceDeregister(Audio:PAudioDevice):LongWord;
Description: Deregister an Audio device from the Audio device table


[Expand] 
function AudioDeviceFind(AudioId:LongWord):PAudioDevice;
Description: To be documented


[Expand] 
function AudioDeviceFindByName(const Name:String):PAudioDevice; inline;
Description: To be documented


[Expand] 
function AudioDeviceFindByDescription(const Description:String):PAudioDevice; inline;
Description: To be documented


[Expand] 
function AudioDeviceEnumerate(Callback:TAudioEnumerate; Data:Pointer):LongWord;
Description: To be documented


[Expand] 
function AudioDeviceNotification(Audio:PAudioDevice; Callback:TAudioNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented


Audio helper functions

[Expand] 
function AudioGetCount:LongWord;
Description: Get the current Audio device count


[Expand] 
function AudioDeviceGetDefault:PAudioDevice;
Description: Get the current default Audio device


[Expand] 
function AudioDeviceSetDefault(Audio:PAudioDevice):LongWord;
Description: Set the current default Audio device


[Expand] 
function AudioDeviceCheck(Audio:PAudioDevice):PAudioDevice;
Description: Check if the supplied Audio device is in the Audio device table


[Expand] 
procedure AudioLog(Level:LongWord; Audio:PAudioDevice; const AText:String);
Description: To be documented


[Expand] 
procedure AudioLogInfo(Audio:PAudioDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure AudioLogWarn(Audio:PAudioDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure AudioLogError(Audio:PAudioDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure AudioLogDebug(Audio:PAudioDevice; const AText:String); inline;
Description: To be documented


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Retrieved from "https://ultibo.org/mediawiki_ultibo_org/index.php?title=Unit_Audio&oldid=5712"