Difference between revisions of "Unit Codec"

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(Created page with "Return to Unit Reference === Description === ---- ''To be documented'' === Constants === ---- ''To be documented'' === Type definitions === ---- ''To...")
 
 
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----
 
----
  
''To be documented''
+
'''Ultibo Codec Interface unit'''
  
 
=== 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;">'''Codec specific constants''' <code> CODEC_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>CODEC_NAME_PREFIX = 'Codec';</code>
 +
| Name prefix for Codec 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;">'''Codec device type''' <code> CODEC_TYPE_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>CODEC_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;">'''Codec device state''' <code> CODEC_STATE_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>CODEC_STATE_DISABLED = 0;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
| <code>CODEC_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;">'''Codec device flag''' <code> CODEC_FLAG_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>CODEC_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;">'''Codec logging''' <code> CODEC_LOG_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>CODEC_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;</code>
 +
| Codec debugging messages
 +
|-
 +
| <code>CODEC_LOG_LEVEL_INFO = LOG_LEVEL_INFO;</code>
 +
| Codec informational messages, such as a device being attached or detached
 +
|-
 +
| <code>CODEC_LOG_LEVEL_WARN = LOG_LEVEL_WARN;</code>
 +
| Codec warning messages
 +
|-
 +
| <code>CODEC_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;</code>
 +
| Codec error messages
 +
|-
 +
| <code>CODEC_LOG_LEVEL_NONE = LOG_LEVEL_NONE;</code>
 +
| No Codec messages
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Type definitions ===
 
=== Type definitions ===
 
----
 
----
  
''To be documented''
+
 
 +
'''Codec properties'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PCodecProperties = ^TCodecProperties;</code>
 +
 
 +
<code>TCodecProperties = 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>
 +
| style="width: 40%;"|Device flags (eg CODEC_FLAG_????)
 +
|-
 +
|}
 +
</div></div>
 +
 
 +
'''Codec enumeration callback'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TCodecEnumerate = function(Codec:PCodecDevice; Data:Pointer):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''Codec notification callback'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TCodecNotification = function(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''Codec device get properties'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TCodecDeviceGetProperties = function(Codec:PCodecDevice; Properties:PCodecProperties):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''Codec device'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PCodecDevice = ^TCodecDevice;</code>
 +
 
 +
<code>TCodecDevice = 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 Codec device
 +
|-
 +
|colspan="2"|''Codec Properties''
 +
|-
 +
| <code>CodecId:LongWord;</code>
 +
| Unique Id of this Codec device in the Codec device table
 +
|-
 +
| <code>CodecState:LongWord;</code>
 +
| Codec device state (eg CODEC_STATE_ENABLED)
 +
|-
 +
| <code>DeviceGetProperties:TCodecDeviceGetProperties;</code>
 +
| A Device specific DeviceGetProperties method implementing the standard Codec device interface (Or nil if the default method is suitable)
 +
|-
 +
|colspan="2"|''Driver Properties''
 +
|-
 +
| <code>Lock:TMutexHandle;</code>
 +
| Device lock
 +
|-
 +
| <code>Properties:TCodecProperties;</code>
 +
| Device properties
 +
|-
 +
|colspan="2"|''Internal Properties''
 +
|-
 +
| <code>Prev:PCodecDevice;</code>
 +
| Previous entry in Codec device table
 +
|-
 +
| <code>Next:PCodecDevice;</code>
 +
| Next entry in Codec device table
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Public variables ===
 
=== Public variables ===
 
----
 
----
  
''To be documented''
+
 
 +
'''Codec logging'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>CODEC_DEFAULT_LOG_LEVEL:LongWord = CODEC_LOG_LEVEL_DEBUG;</code>
 +
| style="width: 40%;"|Minimum level for Codec 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>CODEC_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 CodecInit;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Initialize the Codec unit and Codec 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 />
 +
 +
'''Codec 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 CodecDeviceGetProperties(Codec:PCodecDevice; Properties:PCodecProperties):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the properties for the specified Codec device</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Codec
 +
| The Codec device to get properties from
 +
|-
 +
! Properties
 +
| Pointer to a TCodecProperties 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 CodecDeviceCreate:PCodecDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Create a new Codec 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 Codec device entry or nil if Codec 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 CodecDeviceCreateEx(Size:LongWord):PCodecDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Create a new Codec 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 Codec device (Including the Codec device entry)
 +
|-
 +
! Return
 +
| Pointer to new Codec device entry or nil if Codec 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 CodecDeviceDestroy(Codec:PCodecDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Destroy an existing Codec 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 CodecDeviceRegister(Codec:PCodecDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Register a new Codec device in the Codec 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 CodecDeviceDeregister(Codec:PCodecDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Deregister an Codec device from the Codec 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 CodecDeviceFind(CodecId:LongWord):PCodecDevice;</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 CodecDeviceFindByName(const Name:String):PCodecDevice; 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 CodecDeviceFindByDescription(const Description:String):PCodecDevice; 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 CodecDeviceEnumerate(Callback:TCodecEnumerate; 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 CodecDeviceNotification(Codec:PCodecDevice; Callback:TCodecNotification; 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 />
 +
 +
'''Codec 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 CodecGetCount:LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current Codec 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 CodecDeviceGetDefault:PCodecDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default Codec 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 CodecDeviceSetDefault(Codec:PCodecDevice):LongWord; </pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Set the current default Codec 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 CodecDeviceCheck(Codec:PCodecDevice):PCodecDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Check if the supplied Codec device is in the Codec 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 CodecLog(Level:LongWord; Codec:PCodecDevice; 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 CodecLogInfo(Codec:PCodecDevice; 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 CodecLogWarn(Codec:PCodecDevice; 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 CodecLogError(Codec:PCodecDevice; const AText:String); inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">procedure CodecLogDebug(Codec:PCodecDevice; const AText:String); inline;</pre>
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Return to [[Unit_Reference|Unit Reference]]

Latest revision as of 04:03, 15 December 2022

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Description


Ultibo Codec Interface unit

Constants



[Expand]
Codec specific constants CODEC_*


[Expand]
Codec device type CODEC_TYPE_*


[Expand]
Codec device state CODEC_STATE_*


[Expand]
Codec device flag CODEC_FLAG_*


[Expand]
Codec logging CODEC_LOG_*


Type definitions



Codec properties

[Expand]

PCodecProperties = ^TCodecProperties;

TCodecProperties = record

Codec enumeration callback

TCodecEnumerate = function(Codec:PCodecDevice; Data:Pointer):LongWord;

Codec notification callback

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

Codec device get properties

TCodecDeviceGetProperties = function(Codec:PCodecDevice; Properties:PCodecProperties):LongWord;

Codec device

[Expand]

PCodecDevice = ^TCodecDevice;

TCodecDevice = record


Public variables



Codec logging

CODEC_DEFAULT_LOG_LEVEL:LongWord = CODEC_LOG_LEVEL_DEBUG; Minimum level for Codec messages. Only messages with level greater than or equal to this will be printed.
CODEC_LOG_ENABLED:Boolean;


Function declarations



Initialization functions

[Expand]
procedure CodecInit;
Description: Initialize the Codec unit and Codec device table


Codec device functions

[Expand]
function CodecDeviceGetProperties(Codec:PCodecDevice; Properties:PCodecProperties):LongWord;
Description: Get the properties for the specified Codec device


[Expand]
function CodecDeviceCreate:PCodecDevice;
Description: Create a new Codec device entry


[Expand]
function CodecDeviceCreateEx(Size:LongWord):PCodecDevice;
Description: Create a new Codec device entry


[Expand]
function CodecDeviceDestroy(Codec:PCodecDevice):LongWord;
Description: Destroy an existing Codec device entry


[Expand]
function CodecDeviceRegister(Codec:PCodecDevice):LongWord;
Description: Register a new Codec device in the Codec device table


[Expand]
function CodecDeviceDeregister(Codec:PCodecDevice):LongWord;
Description: Deregister an Codec device from the Codec device table


[Expand]
function CodecDeviceFind(CodecId:LongWord):PCodecDevice;
Description: To be documented


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


[Expand]
function CodecDeviceFindByDescription(const Description:String):PCodecDevice; inline;
Description: To be documented


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


[Expand]
function CodecDeviceNotification(Codec:PCodecDevice; Callback:TCodecNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented


Codec helper functions

[Expand]
function CodecGetCount:LongWord;
Description: Get the current Codec device count


[Expand]
function CodecDeviceGetDefault:PCodecDevice;
Description: Get the current default Codec device


[Expand]
function CodecDeviceSetDefault(Codec:PCodecDevice):LongWord; 
Description: Set the current default Codec device


[Expand]
function CodecDeviceCheck(Codec:PCodecDevice):PCodecDevice;
Description: Check if the supplied Codec device is in the Codec device table


[Expand]
procedure CodecLog(Level:LongWord; Codec:PCodecDevice; const AText:String);
Description: To be documented


[Expand]
procedure CodecLogInfo(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented


[Expand]
procedure CodecLogWarn(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented


[Expand]
procedure CodecLogError(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented


[Expand]
procedure CodecLogDebug(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented


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