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[![Go Reference](https://pkg.go.dev/badge/github.com/onyx-and-iris/voicemeeter.svg)](https://pkg.go.dev/github.com/onyx-and-iris/voicemeeter)
# A Go Wrapper for Voicemeeter API
This package offers a Go interface for the Voicemeeter Remote C API.
For an outline of past/future changes refer to: [CHANGELOG](CHANGELOG.md)
## Tested against
- Basic 1.0.8.8
- Banana 2.0.6.8
- Potato 3.0.2.8
## Requirements
- [Voicemeeter](https://voicemeeter.com/)
- Go 1.18 or greater
## Installation
Initialize your own module then `go get`
```
go mod init github.com/x/y
go get github.com/onyx-and-iris/voicemeeter
```
## `Use`
#### `main.go`
```go
package main
import (
"fmt"
"log"
"github.com/onyx-and-iris/voicemeeter/v2"
)
func main() {
vm, err := vmConnect()
if err != nil {
log.Fatal(err)
}
defer vm.Logout()
vm.Strip[0].SetLabel("rode podmic")
vm.Strip[0].SetMute(true)
fmt.Printf("Strip 0 (%s) mute was set to %v\n", vm.Strip[0].Label(), vm.Strip[0].Mute())
}
func vmConnect() (*voicemeeter.Remote, error) {
vm, err := voicemeeter.NewRemote("banana", 20)
if err != nil {
return nil, err
}
err = vm.Login()
if err != nil {
return nil, err
}
return vm, nil
}
```
## `voicemeeter.NewRemote(<kindId>, <delay>)`
### `kindId`
Pass the kind of Voicemeeter as an argument. kindId may be:
- `basic`
- `banana`
- `potato`
### `delay`
Pass a delay in milliseconds to force the getters to wait for dirty parameters to clear.
Useful if not listening for event updates.
## `Remote Type`
#### `vm.Strip`
[]t_strip slice containing both physicalStrip and virtualStrip types
#### `vm.Bus`
[]t_bus slice containing both physicalBus and virtualBus types
#### `vm.Button`
[]button slice containing button types, one for each macrobutton
#### `vm.Command`
pointer to command type, represents action type functions
#### `vm.Vban`
pointer to vban type, containing both vbanInStream and vbanOutStream slices
#### `vm.Device`
pointer to device type, represents physical input/output hardware devices
#### `vm.Recorder`
pointer to recorder type, represents the recorder
#### `vm.Midi`
pointer to midi type, represents a connected midi device
#### `vm.Type()`
returns the type of Voicemeeter as a string
#### `vm.Version()`
returns the version of Voicemeeter as a string
#### `vm.GetFloat(<param>)`
gets a float parameter value
#### `vm.SetFloat(<param>, <value>)`
sets a float parameter value eg. vm.SetFloat("strip[0].mute", 1)
#### `vm.GetString(<param>)`
gets a string parameter value
#### `vm.SetString(<param>, <value>)`
sets a string parameter value eg. vm.SetString("strip[0].label", "podmic")
#### `vm.SendText(<script>)`
sets many parameters in script format eg. ("Strip[0].Mute=1;Bus[3].Gain=3.6")
#### `vm.Register(o observer)`
register an observer type as an observer
#### `vm.Deregister(o observer)`
deregister an observer type as an observer
#### `vm.EventAdd(<events>)`
adds a single or multiple events to the pooler. Accepts a string or slice of strings.
#### `vm.EventRemove(<events>)`
removes a single or multiple events from the pooler. Accepts a string or slice of strings.
#### `vm.Pdirty()`
returns True iff a GUI parameter has changed
#### `vm.Mdirty()`
returns True iff a macrobutton parameter has changed
#### `vm.Sync()`
Use this to force dirty parameters to clear after a delay in milliseconds.
## `Available commands`
### Strip
The following methods are available
- `Mute() bool`
- `SetMute(val bool)`
- `Mono() bool`
- `SetMono(val bool)`
- `Solo() bool`
- `SetSolo(val bool)`
- `Limit() int`
- `SetLimit(val int)` from -40 to 12
- `Label() string`
- `SetLabel(val string)`
- `Gain() float64`
- `SetGain(val float64)` from -60.0 to 12.0
- `Mc() bool`
- `SetMc(val bool)`
- `Audibility() float64`
- `SetAudibility(val float64)` from 0.0 to 10.0
- `A1() bool - A5() bool`
- `SetA1(val bool) - SetA5(val bool)`
- `B1() bool - B3() bool`
- `SetB1(val bool) bool - SetB3(val bool) bool`
- `AppGain(name string, gain float64)`
- `AppMute(name string, val bool)`
example:
```go
vm.Strip[3].SetGain(3.7)
fmt.Println(vm.Strip[0].Label())
vm.Strip[4].SetA1(true)
vm.Strip[5].AppGain("Spotify", 0.5)
vm.Strip[5].AppMute("Spotify", true)
```
##### Comp
- `vm.Strip[i].Comp()`
The following methods are available
- `Knob() float64`
- `SetKnob(val float64)` from 0.0 to 10.0
- `GainIn() float64`
- `SetGainIn(val float64)` from -24.0 to 24.0
- `Ratio() float64`
- `SetRatio(val float64)` from 1.0 to 8.0
- `Threshold() float64`
- `SetThreshold(val float64)` from -40.0 to -3.0
- `Attack() float64`
- `SetAttack(val float64)` from 0.0 to 200.0
- `Release() float64`
- `SetRelease(val float64)` from 0.0 to 5000.0
- `Knee() float64`
- `SetKnee(val float64)` from 0.0 to 1.0
- `GainOut() float64`
- `SetGainOut(val float64)` from -24.0 to 24.0
- `MakeUp() bool`
- `SetMakeUp(val bool)`
example:
```go
vm.Strip[3].Comp().SetRatio(3.5)
```
##### Gate
- `vm.Strip[i].Gate()`
The following methods are available
- `Knob() float64`
- `SetKnob(val float64)` from 0.0 to 10.0
- `Threshold() float64`
- `SetThreshold(val float64)` from -60.0 to -10.0
- `Damping() float64`
- `SetDamping(val float64)` from -60.0 to -10.0
- `BPSidechain() int`
- `SetBPSidechain(val int)` from 100 to 4000
- `Attack() float64`
- `SetAttack(val float64)` from 0.0 to 1000.0
- `Hold() float64`
- `SetHold(val float64)` from 0.0 to 5000.0
- `Release() float64`
- `SetRelease(val float64)` from 0.0 to 5000.0
example:
```go
fmt.Println(vm.Strip[4].Gate().Attack())
```
##### Denoiser
- `vm.Strip[i].Denoiser()`
The following methods are available
- `Knob() float64`
- `SetKnob(val float64)` from 0.0 to 10.0
example:
```go
vm.Strip[1].Denoiser().SetKnob(4.2)
```
##### Gainlayer
- `vm.Strip[i].Gainlayer()[j]`
The following methods are available
- `Get() float64`
- `Set(val float64)`
example:
```go
vm.Strip[6].GainLayer()[3].Set(-13.6)
```
##### Levels
- `vm.Strip[i].Levels()`
The following methods are available
- `PreFader() []float64`
- `PostFader() []float64`
- `PostMute() []float64`
example:
```go
fmt.Println(vm.Strip[5].Levels().PreFader())
```
### Bus
The following methods are available
- `String() string`
- `Mute() bool`
- `SetMute(val bool)`
- `Mono() bool`
- `SetMono(val bool)`
- `Label() string`
- `SetLabel(val string)`
- `Gain() float64`
- `SetGain(val float64)` from -60.0 to 12.0
example:
```go
vm.Bus[3].SetEq(true)
fmt.Println(vm.Bus[0].Label())
```
##### Modes
- `vm.Bus[i].Mode()`
The following methods are available
- `SetNormal(val bool)`
- `Normal() bool`
- `SetAmix(val bool)`
- `Amix() bool`
- `SetBmix(val bool)`
- `Bmix() bool`
- `SetRepeat(val bool)`
- `Repeat() bool`
- `SetComposite(val bool)`
- `Composite() bool`
- `SetTvMix(val bool)`
- `TvMix() bool`
- `SetUpMix21(val bool)`
- `UpMix21() bool`
- `SetUpMix41(val bool)`
- `UpMix41() bool`
- `SetUpMix61(val bool)`
- `UpMix61() bool`
- `SetCenterOnly(val bool)`
- `CenterOnly() bool`
- `SetLfeOnly(val bool)`
- `LfeOnly() bool`
- `SetRearOnly(val bool)`
- `RearOnly() bool`
example:
```go
vm.Bus[3].Mode().SetAmix(true)
vm.Bus[4].Mode().SetCenterOnly(true)
```
##### Levels
- `vm.Bus[i].Levels()`
The following methods are available
- `All() []float64`
example:
```go
fmt.Println(vm.Bus[1].Levels().All())
```
### Strip | Bus
##### EQ
- `vm.Strip[i].Eq()` `vm.Bus[i].Eq()`
The following methods are available.
- `On() bool`
- `SetOn(val bool)`
- `Ab() bool`
- `SetAb(val bool)`
example:
```go
vm.Strip[1].Eq().SetOn(true)
fmt.Println(vm.Bus[3].Eq().Ab())
```
The following methods are available.
- `FadeTo(target float64, time_ int)`: float, int
- `FadeBy(change float64, time_ int)`: float, int
Modify gain to or by the selected amount in db over a time interval in ms.
example:
```go
vm.Strip[3].FadeBy(-8.3, 500)
vm.Bus[3].FadeTo(-12.8, 500)
```
### Button
The following methods are available
- `State() bool`
- `SetState(val bool)`
- `StateOnly() bool`
- `SetStateOnly(val bool)`
- `Trigger() bool`
- `SetTrigger(val bool)`
example:
```go
vm.Button[37].SetState(true)
fmt.Println(vm.Button[64].StateOnly())
```
### Command
The following methods are available
- `Show()` Show Voicemeeter GUI if it's hidden
- `Hide()` Hide Voicemeeter GUI if it's shown
- `Shutdown()` Shuts down the GUI
- `Restart()` Restart the audio engine
- `Lock(val bool)` Lock the Voicemeeter GUI
example:
```go
vm.Command.Restart()
vm.Command.Show()
```
### VBAN
- `vm.Vban.Enable()` `vm.Vban.Disable()` Turn VBAN on or off
##### Instream | Outstream
- `vm.Vban.InStream[i]` `vm.Vban.OutStream[i]`
The following methods are available
- `On() bool`
- `SetOn(val bool)`
- `Name() string`
- `SetName(val string)`
- `Ip() string`
- `SetIp(val string)`
- `Port() int`
- `SetPort(val int)` from 1024 to 65535
- `Sr() int`
- `SetSr(val int)` (11025, 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000)
- `Channel() int`
- `SetChannel(val int)` from 1 to 8
- `Bit() int`
- `SetBit(val int)` 16 or 24
- `Quality() int`
- `SetQuality(val int)` from 0 to 4
- `Route() int`
- `SetRoute(val int)` from 0 to 8
example:
```go
# turn VBAN on
vm.Vban.Enable()
// turn on vban instream 0
vm.Vban.InStream[0].SetOn(true)
// set bit property for outstream 3 to 24
vm.Vban.OutStream[3].SetBit(24)
```
### Device
The following methods are available
- `Ins()`
- `Outs()`
- `Input(val int)`
- `Output(val int)`
example:
```go
for i := 0; i < int(vm.Device.Ins()); i++ {
fmt.Println(vm.Device.Input(i))
}
```
### Recorder
The following methods are available
- `Play()`
- `Stop()`
- `Pause()`
- `Replay()`
- `Record()`
- `Ff()`
- `Rew()`
example:
```go
vm.Recorder.Play()
vm.Recorder.Stop()
# Enable loop play
vm.Recorder.Loop(true)
# Disable recorder out channel B2
vm.Recorder.SetB2(false)
```
### Midi
The following methods are available
- `Channel()` returns the current midi channel
- `Current()` returns the most recently pressed midi button
- `Get(<button>)` returns the value in cache for the midi button
example:
```go
var current = vm.Midi.Current()
var val = vm.Midi.Get(current)
```
### Events
By default level updates are disabled. Any event may be enabled or disabled. The following events exist:
- `pdirty` parameter updates
- `mdirty` macrobutton updates
- `midi` midi updates
- `ldirty` level updates
example:
```go
events := []string{"ldirty", "mdirty", "pdirty"}
vm.EventAdd(events...)
vm.EventRemove(events...)
```
### Run tests
To run all tests:
```
go test ./...
```
### Official Documentation
- [Voicemeeter Remote C API](https://github.com/onyx-and-iris/Voicemeeter-SDK/blob/main/VoicemeeterRemoteAPI.pdf)
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