Difference between revisions of "Unit Codec"

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<div style="font-size: 14px; padding-left: 12px;">'''Codec device type constants''' <code> CODEC_TYPE_* </code></div>
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<div style="font-size: 14px; padding-left: 12px;">'''Codec device type''' <code> CODEC_TYPE_* </code></div>
 
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<div style="font-size: 14px; padding-left: 12px;">'''Codec device state constants''' <code> CODEC_STATE_* </code></div>
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<div style="font-size: 14px; padding-left: 12px;">'''Codec device state''' <code> CODEC_STATE_* </code></div>
 
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<div style="font-size: 14px; padding-left: 12px;">'''Codec device flag constants''' <code> CODEC_FLAG_* </code></div>
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<div style="font-size: 14px; padding-left: 12px;">'''Codec device flag''' <code> CODEC_FLAG_* </code></div>
 
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<div style="font-size: 14px; padding-left: 12px;">'''Codec logging constants''' <code> CODEC_LOG_* </code></div>
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<div style="font-size: 14px; padding-left: 12px;">'''Codec logging''' <code> CODEC_LOG_* </code></div>
 
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| <code>CODEC_DEFAULT_LOG_LEVEL:LongWord = CODEC_LOG_LEVEL_DEBUG;</code>
 
| <code>CODEC_DEFAULT_LOG_LEVEL:LongWord = CODEC_LOG_LEVEL_DEBUG;</code>
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| style="width: 65%;"|Minimum level for Codec messages. Only messages with level greater than or equal to this will be printed.
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| style="width: 40%;"|Minimum level for Codec messages. Only messages with level greater than or equal to this will be printed.
 
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Revision as of 03:28, 24 March 2017

Return to Unit Reference


Description

Ultibo Codec interface unit

To be documented

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 properties

TCodecDeviceProperties = 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 CodecDeviceProperties(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; inline;
Description: Get the current Codec device count


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


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


Return to Unit Reference

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