data multiply

DataMultiply

#example #data #callback #simple #events

Simple data multiplication module.

Module Name	data multiply
Type	mtSimple
Color	clDataModuleColor
Source	examples/DataMultiply/

Description

Multiplies two data inputs and outputs the result. The simplest example of callback-driven data processing with no audio processing.

Parameters

#	Name	Type	I/O	Callback
0	a	ptDataField	Input	ctNormal (shared ID)
1	b	ptDataField	Input	ctNormal (shared ID)
2	result	ptDataField	Output (DontSave)	None

How It Works

• Both inputs share the same CallBackId so any change triggers the computation
• onCallBack: Calls sdkMultEvt3(a, b, result) to multiply A * B
• onProcess: Not used (DontProcess = TRUE)

Key Concepts Demonstrated

• Shared callback IDs: Multiple parameters triggering the same callback
• sdkMultEvt3: Event-level multiplication (deprecated — use UsineEventClass::mult() in new code)
• DontSave: Output parameter excluded from saves
• DontProcess = TRUE: No audio processing needed

SDK Callbacks Used

onGetModuleInfo · onGetParamInfo · onCallBack

Related Examples

• TemplateModuleSimple — Another simple data module
• MidiTranspose — Data processing with MIDI

SDK Reference

• UserModuleBase Class