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Steinberg::Vst::ParameterInfo Struct Reference

#include <ivsteditcontroller.h>

Public Types

enum  ParameterFlags {
  kNoFlags = 0 , kCanAutomate = 1 << 0 , kIsReadOnly = 1 << 1 , kIsWrapAround = 1 << 2 ,
  kIsList = 1 << 3 , kIsHidden = 1 << 4 , kIsProgramChange = 1 << 15 , kIsBypass = 1 << 16
}

Public Attributes

ParamID id
 unique identifier of this parameter (named tag too)
String128 title
 parameter title (e.g. "Volume")
String128 shortTitle
 parameter shortTitle (e.g. "Vol")
String128 units
 parameter unit (e.g. "dB")
int32 stepCount
 (corresponding to max - min, for example: 127 for a min = 0 and a max = 127) - see vst3ParameterIntro)
ParamValue defaultNormalizedValue
 default normalized value [0,1] (in case of discrete value: defaultNormalizedValue = defDiscreteValue / stepCount)
UnitID unitId
 id of unit this parameter belongs to (see vst3Units)
int32 flags
 ParameterFlags (see below).

Detailed Description

Controller Parameter Info. A parameter info describes a parameter of the controller. The id must always be the same for a parameter as this uniquely identifies the parameter.

Member Enumeration Documentation

◆ ParameterFlags

Enumerator
kNoFlags 

no flags wanted

kCanAutomate 

parameter can be automated

kIsReadOnly 

parameter cannot be changed from outside the plug-in (implies that kCanAutomate is NOT set)

kIsWrapAround 

attempts to set the parameter value out of the limits will result in a wrap around [SDK 3.0.2]

kIsList 

parameter should be displayed as list in generic editor or automation editing [SDK 3.1.0]

kIsHidden 

(implies that kCanAutomate is NOT set and kIsReadOnly is set) [SDK 3.7.0]

parameter should be NOT displayed and cannot be changed from outside the plug-in

kIsProgramChange 

parameter is a program change (unitId gives info about associated unit- see vst3ProgramLists)

kIsBypass 

(highly recommended to export a bypass parameter for effect plug-in)

special bypass parameter (only one allowed): plug-in can handle bypass

Member Data Documentation

◆ defaultNormalizedValue

ParamValue Steinberg::Vst::ParameterInfo::defaultNormalizedValue

default normalized value [0,1] (in case of discrete value: defaultNormalizedValue = defDiscreteValue / stepCount)

◆ flags

int32 Steinberg::Vst::ParameterInfo::flags

ParameterFlags (see below).

◆ id

ParamID Steinberg::Vst::ParameterInfo::id

unique identifier of this parameter (named tag too)

◆ shortTitle

String128 Steinberg::Vst::ParameterInfo::shortTitle

parameter shortTitle (e.g. "Vol")

◆ stepCount

int32 Steinberg::Vst::ParameterInfo::stepCount

(corresponding to max - min, for example: 127 for a min = 0 and a max = 127) - see vst3ParameterIntro)

number of discrete steps (0: continuous, 1: toggle, discrete value otherwise

◆ title

String128 Steinberg::Vst::ParameterInfo::title

parameter title (e.g. "Volume")

◆ unitId

UnitID Steinberg::Vst::ParameterInfo::unitId

id of unit this parameter belongs to (see vst3Units)

◆ units

String128 Steinberg::Vst::ParameterInfo::units

parameter unit (e.g. "dB")


The documentation for this struct was generated from the following file: