mirror of
https://github.com/jwetzell/showbridge-go.git
synced 2026-04-27 13:25:40 +00:00
split midi.client into input/output
This commit is contained in:
Joel Wetzell
@@ -1,119 +0,0 @@
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//go:build cgo
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package module
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import (
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"context"
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"fmt"
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"log/slog"
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"github.com/jwetzell/showbridge-go/internal/config"
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"github.com/jwetzell/showbridge-go/internal/route"
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"gitlab.com/gomidi/midi/v2"
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_ "gitlab.com/gomidi/midi/v2/drivers/rtmididrv"
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)
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type MIDIClient struct {
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config config.ModuleConfig
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ctx context.Context
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router route.RouteIO
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InputPort string
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OutputPort string
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SendFunc func(midi.Message) error
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}
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func init() {
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RegisterModule(ModuleRegistration{
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//TODO(jwetzell): find a better namespace than "misc"
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Type: "midi.client",
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New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
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params := config.Params
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input, ok := params["input"]
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if !ok {
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return nil, fmt.Errorf("midi.client requires a input parameter")
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}
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inputString, ok := input.(string)
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if !ok {
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return nil, fmt.Errorf("midi.client input must be a string")
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}
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output, ok := params["output"]
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if !ok {
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return nil, fmt.Errorf("midi.client requires a output parameter")
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}
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outputString, ok := output.(string)
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if !ok {
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return nil, fmt.Errorf("midi.client output must be a string")
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}
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return &MIDIClient{config: config, InputPort: inputString, OutputPort: outputString, ctx: ctx, router: router}, nil
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},
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})
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}
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func (mc *MIDIClient) Id() string {
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return mc.config.Id
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}
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func (mc *MIDIClient) Type() string {
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return mc.config.Type
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}
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func (mc *MIDIClient) Run() error {
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defer midi.CloseDriver()
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in, err := midi.FindInPort(mc.InputPort)
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if err != nil {
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return fmt.Errorf("midi.client can't find input port: %s", mc.InputPort)
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}
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stop, err := midi.ListenTo(in, func(msg midi.Message, timestampms int32) {
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if mc.router != nil {
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// TODO(jwetzell): unpack MIDI messsage into something more useful?
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mc.router.HandleInput(mc.Id(), msg)
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}
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}, midi.UseSysEx())
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if err != nil {
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return err
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}
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defer stop()
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out, err := midi.FindOutPort(mc.OutputPort)
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if err != nil {
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return fmt.Errorf("midi.client can't find output port: %s", mc.OutputPort)
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}
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send, err := midi.SendTo(out)
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if err != nil {
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return err
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}
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mc.SendFunc = send
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<-mc.ctx.Done()
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slog.Debug("router context done in module", "id", mc.Id())
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return nil
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}
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func (mc *MIDIClient) Output(payload any) error {
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if mc.SendFunc == nil {
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return fmt.Errorf("midi.client output is not setup")
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}
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payloadMessage, ok := payload.(midi.Message)
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if !ok {
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return fmt.Errorf("midi.client can only ouptut midi.Message")
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}
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return mc.SendFunc(payloadMessage)
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}
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81
internal/module/midi-input.go
Normal file
81
internal/module/midi-input.go
Normal file
@@ -0,0 +1,81 @@
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//go:build cgo
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package module
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import (
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"context"
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"fmt"
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"log/slog"
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"github.com/jwetzell/showbridge-go/internal/config"
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"github.com/jwetzell/showbridge-go/internal/route"
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"gitlab.com/gomidi/midi/v2"
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_ "gitlab.com/gomidi/midi/v2/drivers/rtmididrv"
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)
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type MIDIInput struct {
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config config.ModuleConfig
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ctx context.Context
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router route.RouteIO
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Port string
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SendFunc func(midi.Message) error
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}
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func init() {
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RegisterModule(ModuleRegistration{
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Type: "midi.input",
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New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
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params := config.Params
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port, ok := params["port"]
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if !ok {
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return nil, fmt.Errorf("midi.input requires a port parameter")
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}
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portString, ok := port.(string)
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if !ok {
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return nil, fmt.Errorf("midi.input port must be a string")
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}
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return &MIDIInput{config: config, Port: portString, ctx: ctx, router: router}, nil
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},
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})
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}
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func (mc *MIDIInput) Id() string {
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return mc.config.Id
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}
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func (mc *MIDIInput) Type() string {
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return mc.config.Type
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}
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func (mc *MIDIInput) Run() error {
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defer midi.CloseDriver()
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in, err := midi.FindInPort(mc.Port)
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if err != nil {
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return fmt.Errorf("midi.input can't find input port: %s", mc.Port)
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}
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stop, err := midi.ListenTo(in, func(msg midi.Message, timestampms int32) {
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if mc.router != nil {
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mc.router.HandleInput(mc.Id(), msg)
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}
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}, midi.UseSysEx())
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if err != nil {
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return err
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}
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defer stop()
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<-mc.ctx.Done()
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slog.Debug("router context done in module", "id", mc.Id())
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return nil
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}
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func (mc *MIDIInput) Output(payload any) error {
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return fmt.Errorf("midi.input output is not implemented")
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}
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89
internal/module/midi-ouptut.go
Normal file
89
internal/module/midi-ouptut.go
Normal file
@@ -0,0 +1,89 @@
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//go:build cgo
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package module
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import (
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"context"
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"fmt"
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"log/slog"
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"github.com/jwetzell/showbridge-go/internal/config"
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"github.com/jwetzell/showbridge-go/internal/route"
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"gitlab.com/gomidi/midi/v2"
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_ "gitlab.com/gomidi/midi/v2/drivers/rtmididrv"
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)
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type MIDIOutput struct {
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config config.ModuleConfig
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ctx context.Context
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router route.RouteIO
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Port string
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SendFunc func(midi.Message) error
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}
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func init() {
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RegisterModule(ModuleRegistration{
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//TODO(jwetzell): find a better namespace than "misc"
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Type: "midi.output",
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New: func(ctx context.Context, config config.ModuleConfig, router route.RouteIO) (Module, error) {
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params := config.Params
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port, ok := params["port"]
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if !ok {
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return nil, fmt.Errorf("midi.output requires a port parameter")
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}
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portString, ok := port.(string)
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if !ok {
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return nil, fmt.Errorf("midi.output port must be a string")
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}
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return &MIDIOutput{config: config, Port: portString, ctx: ctx, router: router}, nil
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},
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})
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}
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func (mc *MIDIOutput) Id() string {
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return mc.config.Id
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}
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func (mc *MIDIOutput) Type() string {
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return mc.config.Type
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}
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func (mc *MIDIOutput) Run() error {
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defer midi.CloseDriver()
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out, err := midi.FindOutPort(mc.Port)
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if err != nil {
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return fmt.Errorf("midi.output can't find output port: %s", mc.Port)
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}
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send, err := midi.SendTo(out)
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if err != nil {
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return err
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}
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mc.SendFunc = send
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<-mc.ctx.Done()
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slog.Debug("router context done in module", "id", mc.Id())
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return nil
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}
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func (mc *MIDIOutput) Output(payload any) error {
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if mc.SendFunc == nil {
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return fmt.Errorf("midi.output output is not setup")
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}
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payloadMessage, ok := payload.(midi.Message)
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if !ok {
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return fmt.Errorf("midi.output can only ouptut midi.Message")
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}
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return mc.SendFunc(payloadMessage)
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}
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