midix

package
v0.15.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 21, 2025 License: MIT Imports: 10 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	DefaultTrackSequenceName   = "crd"
	DefaultInstrument          = "Piano"
	DefaultTicksPerQuoaterNote = 960
)

Variables

View Source 
var (
	DefaultProgram = gm.Instr_AcousticGrandPiano.Value()
)

Functions

func GetInPortNames 

func GetInPortNames() []string

func GetOutPortNames 

func GetOutPortNames() []string

Types

type Close 

type Close struct {
}

func (Close) Call 

func (Close) Call(t *smf.Track, deltaticks uint32)

type FixedTrack 

type FixedTrack struct {
	TrackNo int
}

func NewFixedTrack 

func NewFixedTrack(no int) *FixedTrack

func (*FixedTrack) IsOpType 

func (*FixedTrack) IsOpType()

type MIDIReader 

type MIDIReader struct{}

func NewReader 

func NewReader() *MIDIReader

func (MIDIReader) Events 

func (r MIDIReader) Events(rd io.Reader) iter.Seq[smf.TrackEvent]

func (MIDIReader) Play 

func (r MIDIReader) Play(rd io.Reader, outPortName string) error

type MIDIWriter 

type MIDIWriter struct {
	// contains filtered or unexported fields
}

func NewWriter 

func NewWriter(
	ticksPerQuoaterNote uint16,
	set *TrackSetController,
	instrument string,
	program uint8,
) *MIDIWriter

func (*MIDIWriter) Close 

func (w *MIDIWriter) Close()

func (*MIDIWriter) Key 

func (w *MIDIWriter) Key(key uint8, isMajor bool, num uint8, isFlat bool)

func (*MIDIWriter) Lyric 

func (w *MIDIWriter) Lyric(text string)

func (*MIDIWriter) Marker 

func (w *MIDIWriter) Marker(text string)

func (*MIDIWriter) Meter 

func (w *MIDIWriter) Meter(num, denom uint8)

func (*MIDIWriter) Note 

func (w *MIDIWriter) Note(value float64, velocity uint8, key ...uint8) error

func (*MIDIWriter) Rest 

func (w *MIDIWriter) Rest(value float64)

func (*MIDIWriter) Tempo 

func (w *MIDIWriter) Tempo(bpm int)

func (*MIDIWriter) Text 

func (w *MIDIWriter) Text(text string)

func (MIDIWriter) WriteTo 

func (w MIDIWriter) WriteTo(out io.Writer) (int64, error)

type MetaInstrument 

type MetaInstrument struct {
	Text string `json:"text"`
}

func (MetaInstrument) Call 

func (m MetaInstrument) Call(t *smf.Track, deltaticks uint32)

type MetaKey 

type MetaKey struct {
	Key     uint8 `json:"key"`
	IsMajor bool  `json:"is_major"`
	Num     uint8 `json:"num"`
	IsFlat  bool  `json:"is_flat"`
}

func (MetaKey) Call 

func (m MetaKey) Call(t *smf.Track, deltaticks uint32)

type MetaLyric 

type MetaLyric struct {
	Text string `json:"text"`
}

func (MetaLyric) Call 

func (m MetaLyric) Call(t *smf.Track, deltaticks uint32)

type MetaMarker 

type MetaMarker struct {
	Text string `json:"text"`
}

func (MetaMarker) Call 

func (m MetaMarker) Call(t *smf.Track, deltaticks uint32)

type MetaMeter 

type MetaMeter struct {
	Num   uint8 `json:"num"`
	Denom uint8 `json:"denom"`
}

func (MetaMeter) Call 

func (m MetaMeter) Call(t *smf.Track, deltaticks uint32)

type MetaTempo 

type MetaTempo struct {
	BPM float64 `json:"bpm"`
}

func (MetaTempo) Call 

func (m MetaTempo) Call(t *smf.Track, deltaticks uint32)

type MetaText 

type MetaText struct {
	Text string `json:"text"`
}

func (MetaText) Call 

func (m MetaText) Call(t *smf.Track, deltaticks uint32)

type MetaTrack 

type MetaTrack struct{}

func NewMetaTrack 

func NewMetaTrack() *MetaTrack

func (*MetaTrack) IsOpType 

func (*MetaTrack) IsOpType()

type MetaTrackSequenceName 

type MetaTrackSequenceName struct {
	Text string `json:"text"`
}

func (MetaTrackSequenceName) Call 

func (m MetaTrackSequenceName) Call(t *smf.Track, deltaticks uint32)

type NoteOff 

type NoteOff struct {
	Channel uint8 `json:"channel"`
	Key     uint8 `json:"key"`
}

func (NoteOff) Call 

func (n NoteOff) Call(t *smf.Track, deltaticks uint32)

type NoteOn 

type NoteOn struct {
	Channel  uint8 `json:"channel"`
	Key      uint8 `json:"key"`
	Velocity uint8 `json:"velocity"`
}

func (NoteOn) Call 

func (n NoteOn) Call(t *smf.Track, deltaticks uint32)

type OpFunc 

type OpFunc interface {
	Call(t *smf.Track, deltaticks uint32)
}

type OpType 

type OpType interface {
	IsOpType()
}

type ProgramChange 

type ProgramChange struct {
	Channel uint8 `json:"channel"`
	Program uint8 `json:"program"`
}

func (ProgramChange) Call 

func (p ProgramChange) Call(t *smf.Track, deltaticks uint32)

type Reader 

type Reader interface {
	Events(r io.Reader) iter.Seq[smf.TrackEvent]
	Play(r io.Reader, outPortName string) error
}

type Track 

type Track struct {
	// contains filtered or unexported fields
}

func NewTrack 

func NewTrack() *Track

func (*Track) Add 

func (t *Track) Add(op *TrackOp)

func (*Track) AddTickDelta 

func (t *Track) AddTickDelta(tickDelta uint32)

func (Track) Apply 

func (t Track) Apply(tt *smf.Track)

func (Track) Len 

func (t Track) Len() int

type TrackNoSelector 

type TrackNoSelector interface {
	Select(opType OpType) int
}

type TrackNoSelectorImpl 

type TrackNoSelectorImpl struct {
	// contains filtered or unexported fields
}

func NewTrackNoSelector 

func NewTrackNoSelector(trackNum int) (*TrackNoSelectorImpl, error)

func (TrackNoSelectorImpl) Select 

func (t TrackNoSelectorImpl) Select(opType OpType) int

type TrackOp 

type TrackOp struct {
	TickDelta uint32 `json:"tickdelta"`
	Func      OpFunc `json:"func"`
	Type      OpType `json:"type"`
}

func NewTrackOp 

func NewTrackOp(tickDelta uint32, opType OpType, opFunc OpFunc) *TrackOp

func (TrackOp) Call 

func (op TrackOp) Call(t *smf.Track)

type TrackSet 

type TrackSet struct {
	// contains filtered or unexported fields
}

func NewTrackSet 

func NewTrackSet(list []*Track) *TrackSet

func NewTrackSetFromTrackNum 

func NewTrackSetFromTrackNum(trackNum int) *TrackSet

func (*TrackSet) Add 

func (ts *TrackSet) Add(trackNo int, op *TrackOp)

func (TrackSet) Get 

func (ts TrackSet) Get(i int) *Track

func (TrackSet) Len 

func (ts TrackSet) Len() int

type TrackSetController 

type TrackSetController struct {
	// contains filtered or unexported fields
}

func NewTrackSetController 

func NewTrackSetController(set *TrackSet, selector TrackNoSelector) *TrackSetController

func NewTrackSetControllerFromTrackNum 

func NewTrackSetControllerFromTrackNum(trackNum int) (*TrackSetController, error)

func (*TrackSetController) Add 

func (c *TrackSetController) Add(op *TrackOp)

func (*TrackSetController) Distribute 

func (c *TrackSetController) Distribute(op *TrackOp)

func (TrackSetController) Set 

func (c TrackSetController) Set() *TrackSet

type Writer 

type Writer interface {
	Note(value float64, velocity uint8, key ...uint8) error
	Tempo(bpm int)
	Meter(num, denom uint8)
	Key(key uint8, isMajor bool, num uint8, isFlat bool)
	Text(text string)
	Lyric(text string)
	Marker(text string)
	Close()
	Rest(value float64)
	WriteTo(out io.Writer) (int64, error)
}

Source Files

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