Constructor
new CsoundScriptProcessorNode(context, options)
Parameters:
| Name | Type | Description |
|---|---|---|
context |
AudioContext | AudioContext in which this node will run |
options |
object | Configuration options, holding numberOfInputs, numberOfOutputs |
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Methods
compileCSD(csd)
Compiles a CSD, which may be given as a filename in the
WASM filesystem or a string containing the code
Parameters:
| Name | Type | Description |
|---|---|---|
csd |
string | A string containing the CSD filename or the CSD code. |
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compileOrc(orcString)
Compiles Csound orchestra code.
Parameters:
| Name | Type | Description |
|---|---|---|
orcString |
string | A string containing the orchestra code. |
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evaluateCode(codeString)
Evaluates Csound orchestra code.
Parameters:
| Name | Type | Description |
|---|---|---|
codeString |
string | A string containing the orchestra code. |
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midiMessage(byte1, byte2, byte1)
Sends a MIDI channel message to Csound
Parameters:
| Name | Type | Description |
|---|---|---|
byte1 |
number | MIDI status byte |
byte2 |
number | MIDI data byte 1 |
byte1 |
number | MIDI data byte 2 |
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play()
Starts performance, same as start()
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readScore(scoreString)
Reads a numeric score string.
Parameters:
| Name | Type | Description |
|---|---|---|
scoreString |
string | A string containing a numeric score. |
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render(csd)
Renders a CSD, which may be given as a filename in the
WASM filesystem or a string containing the code. This is used for
disk rendering only.
Parameters:
| Name | Type | Description |
|---|---|---|
csd |
string | A string containing the CSD filename or the CSD code. |
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reset()
Resets the Csound engine.
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setControlChannel(channelName, value)
Sets the value of a control channel in the software bus
Parameters:
| Name | Type | Description |
|---|---|---|
channelName |
string | A string containing the channel name. |
value |
number | The value to be set. |
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setMessageCallback(msgCallback)
Sets a callback to process Csound console messages.
Parameters:
| Name | Type | Description |
|---|---|---|
msgCallback |
function | A callback to process messages with signature function(message), where message is a string from Csound. |
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setOption(option)
Sets a Csound engine option (flag)
Parameters:
| Name | Type | Description |
|---|---|---|
option |
string | The Csound engine option to set. This should not contain any whitespace. |
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setStringChannel(channelName, stringValue)
Sets the value of a string channel in the software bus
Parameters:
| Name | Type | Description |
|---|---|---|
channelName |
string | A string containing the channel name. |
stringValue |
string | The string to be set. |
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start()
Starts processing in this node
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stop()
Stops (pauses) performance
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writeToFS(filePath, blobData)
Writes data to a file in the WASM filesystem for
use with csound.
Parameters:
| Name | Type | Description |
|---|---|---|
filePath |
string | A string containing the path to write to. |
blobData |
blob | The data to write to file. |
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