Difference between revisions of "Unit Codec"

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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceNotification(Codec:PCodecDevice; Callback:TCodecNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;</pre>
 
<pre style="border: 0; padding-bottom:0px;">function CodecDeviceNotification(Codec:PCodecDevice; Callback:TCodecNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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'''Codec helper functions'''
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<pre style="border: 0; padding-bottom:0px;">function CodecGetCount:LongWord; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current Codec device count</div>
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceGetDefault:PCodecDevice; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default Codec device</div>
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceSetDefault(Codec:PCodecDevice):LongWord; </pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Set the current default Codec device</div>
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceCheck(Codec:PCodecDevice):PCodecDevice;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Check if the supplied Codec device is in the Codec device table</div>
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<pre style="border: 0; padding-bottom:0px;">procedure CodecLog(Level:LongWord; Codec:PCodecDevice; const AText:String);</pre>
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<pre style="border: 0; padding-bottom:0px;">procedure CodecLogInfo(Codec:PCodecDevice; const AText:String); inline;</pre>
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<pre style="border: 0; padding-bottom:0px;">procedure CodecLogError(Codec:PCodecDevice; const AText:String); inline;</pre>
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<pre style="border: 0; padding-bottom:0px;">procedure CodecLogDebug(Codec:PCodecDevice; const AText:String); inline;</pre>
 
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Revision as of 05:24, 12 October 2016

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Description

To be documented

Constants

To be documented

Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions 

procedure CodecInit;
Description: Initialize the Codec unit and Codec device table
Note Called only during system startup


Codec device functions 

function CodecDeviceProperties(Codec:PCodecDevice; Properties:PCodecProperties):LongWord;
Description: Get the properties for the specified Codec device
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 


function CodecDeviceCreate:PCodecDevice;
Description: Create a new Codec device entry
Return Pointer to new Codec device entry or nil if Codec device could not be created 


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


function CodecDeviceDestroy(Codec:PCodecDevice):LongWord;
Description: Destroy an existing Codec device entry
Note None documented 


function CodecDeviceRegister(Codec:PCodecDevice):LongWord;
Description: Register a new Codec device in the Codec device table
Note None documented 


function CodecDeviceDeregister(Codec:PCodecDevice):LongWord;
Description: Deregister an Codec device from the Codec device table
Note None documented 


function CodecDeviceFind(CodecId:LongWord):PCodecDevice;
Description: To be documented
Note None documented 


function CodecDeviceFindByName(const Name:String):PCodecDevice; inline;
Description: To be documented
Note None documented 


function CodecDeviceFindByDescription(const Description:String):PCodecDevice; inline;
Description: To be documented
Note None documented 


function CodecDeviceEnumerate(Callback:TCodecEnumerate; Data:Pointer):LongWord;
Description: To be documented
Note None documented 


function CodecDeviceNotification(Codec:PCodecDevice; Callback:TCodecNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
Note None documented


Codec helper functions 

function CodecGetCount:LongWord; inline;
Description: Get the current Codec device count
Note None documented 


function CodecDeviceGetDefault:PCodecDevice; inline;
Description: Get the current default Codec device
Note None documented 


function CodecDeviceSetDefault(Codec:PCodecDevice):LongWord;
Description: Set the current default Codec device
Note None documented 


function CodecDeviceCheck(Codec:PCodecDevice):PCodecDevice;
Description: Check if the supplied Codec device is in the Codec device table
Note None documented 


procedure CodecLog(Level:LongWord; Codec:PCodecDevice; const AText:String);
Description: To be documented
Note None documented 


procedure CodecLogInfo(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented
Note None documented 


procedure CodecLogError(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented
Note None documented 


procedure CodecLogDebug(Codec:PCodecDevice; const AText:String); inline;
Description: To be documented
Note None documented


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