Difference between revisions of "Unit Codec"

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'''Codec device functions'''
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceProperties(Codec:PCodecDevice; Properties:PCodecProperties):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the properties for the specified Codec device</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Codec'''
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| The Codec device to get properties from
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|-
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! '''Properties'''
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| Pointer to a TCodecProperties structure to fill in
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|-
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! '''Return'''
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| ERROR_SUCCESS if completed or another error code on failure
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceCreate:PCodecDevice;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Create a new Codec device entry</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Return'''
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| Pointer to new Codec device entry or nil if Codec device could not be created
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceCreateEx(Size:LongWord):PCodecDevice;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Create a new Codec device entry</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Size'''
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| Size in bytes to allocate for new Codec device (Including the Codec device entry)
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|-
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! '''Return'''
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| Pointer to new Codec device entry or nil if Codec device could not be created
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|-
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|}
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</div></div>
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceDestroy(Codec:PCodecDevice):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Destroy an existing Codec device entry</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Note'''
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| None documented
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|-
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|}
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</div></div>
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceRegister(Codec:PCodecDevice):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Register a new Codec device in the Codec device table</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Note'''
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| None documented
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceDeregister(Codec:PCodecDevice):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Deregister an Codec device from the Codec device table</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Note'''
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| None documented
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceFind(CodecId:LongWord):PCodecDevice;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Note'''
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| None documented
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|-
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|}
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</div></div>
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceFindByName(const Name:String):PCodecDevice; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Note'''
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| None documented
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceFindByDescription(const Description:String):PCodecDevice; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Note'''
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| None documented
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|-
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|}
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</div></div>
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
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<pre style="border: 0; padding-bottom:0px;">function CodecDeviceEnumerate(Callback:TCodecEnumerate; Data:Pointer):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Note'''
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| None documented
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|-
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|}
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</div></div>
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<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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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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! '''Note'''
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| None documented
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|-
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|}
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</div></div>
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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


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