Difference between revisions of "Unit Codec"
From Ultibo.org
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{| class="wikitable" style="font-size: 14px; background: white;" | {| class="wikitable" style="font-size: 14px; background: white;" | ||
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| − | |colspan="2"|Device Properties | + | |colspan="2"|''Device Properties'' |
|- | |- | ||
| <code>Device:TDevice;</code> | | <code>Device:TDevice;</code> | ||
| The Device entry for this Codec device | | The Device entry for this Codec device | ||
|- | |- | ||
| − | |colspan="2"|Codec Properties | + | |colspan="2"|''Codec Properties'' |
|- | |- | ||
| <code>CodecId:LongWord;</code> | | <code>CodecId:LongWord;</code> | ||
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| A Device specific DeviceProperties method implementing the standard Codec device interface (Or nil if the default method is suitable) | | A Device specific DeviceProperties method implementing the standard Codec device interface (Or nil if the default method is suitable) | ||
|- | |- | ||
| − | |colspan="2"|Driver Properties | + | |colspan="2"|''Driver Properties'' |
|- | |- | ||
| <code>Lock:TMutexHandle;</code> | | <code>Lock:TMutexHandle;</code> | ||
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| Device properties | | Device properties | ||
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| − | |colspan="2"|Internal Properties | + | |colspan="2"|''Internal Properties'' |
|- | |- | ||
| <code>Prev:PCodecDevice;</code> | | <code>Prev:PCodecDevice;</code> | ||
Revision as of 03:20, 9 January 2017
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Contents
[hide]Description
Ultibo Codec interface unit
To be documented
Constants
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Codec specific constants
CODEC_*
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Codec device type constants
CODEC_TYPE_*
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Codec device state constants
CODEC_STATE_*
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Codec device flag constants
CODEC_FLAG_*
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Codec logging constants
CODEC_LOG_*
Type definitions
Codec Properties
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PCodecProperties = ^TCodecProperties; TCodecProperties = record
Codec Enumeration Callback
TCodecEnumerate = function(Codec:PCodecDevice;Data:Pointer):LongWord;
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Codec Notification Callback
TCodecNotification = function(Device:PDevice;Data:Pointer;Notification:LongWord):LongWord;
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Codec Device
TCodecDeviceProperties = function(Codec:PCodecDevice;Properties:PCodecProperties):LongWord;
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Codec Device
[Expand]
PCodecDevice = ^TCodecDevice; TCodecDevice = record
Public variables
Codec logging
CODEC_DEFAULT_LOG_LEVEL:LongWord = CODEC_LOG_LEVEL_DEBUG;
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Minimum level for Codec messages. Only messages with level greater than or equal to this will be printed. |
CODEC_LOG_ENABLED:Boolean;
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Function declarations
Initialization functions
Codec device functions
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function CodecDeviceProperties(Codec:PCodecDevice; Properties:PCodecProperties):LongWord;
Description: Get the properties for the specified Codec device
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function CodecDeviceCreateEx(Size:LongWord):PCodecDevice;
Description: Create a new Codec device entry
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function CodecDeviceDestroy(Codec:PCodecDevice):LongWord;
Description: Destroy an existing Codec device entry
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function CodecDeviceRegister(Codec:PCodecDevice):LongWord;
Description: Register a new Codec device in the Codec device table
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function CodecDeviceDeregister(Codec:PCodecDevice):LongWord;
Description: Deregister an Codec device from the Codec device table
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function CodecDeviceFindByName(const Name:String):PCodecDevice; inline;
Description: To be documented
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function CodecDeviceFindByDescription(const Description:String):PCodecDevice; inline;
Description: To be documented
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function CodecDeviceEnumerate(Callback:TCodecEnumerate; Data:Pointer):LongWord;
Description: To be documented
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function CodecDeviceNotification(Codec:PCodecDevice; Callback:TCodecNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
Codec helper functions
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function CodecDeviceGetDefault:PCodecDevice; inline;
Description: Get the current default Codec device
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function CodecDeviceSetDefault(Codec:PCodecDevice):LongWord;
Description: Set the current default Codec device
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function CodecDeviceCheck(Codec:PCodecDevice):PCodecDevice;
Description: Check if the supplied Codec device is in the Codec device table
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procedure CodecLog(Level:LongWord; Codec:PCodecDevice; const AText:String);
Description: To be documented
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procedure CodecLogInfo(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented
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procedure CodecLogError(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented
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procedure CodecLogDebug(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented
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