xmi

package
v0.0.0-...-4fabf87 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 24, 2025 License: BSD-3-Clause Imports: 11 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	MidiMessageNoteOnValue           = 0b1001
	MidiMessageControlChangeValue    = 0b1011
	MidiMessageProgramChangeValue    = 0b1100
	MidiMessageChannelPressureValue  = 0b1101 // after touch
	MidiMessagePitchWheelChangeValue = 0b1110
)
View Source 
const (
	MidiMetaEvent uint8 = 0xff
)

Variables

This section is empty.

Functions

func ConvertToMidi 

func ConvertToMidi(data io.Reader) (*smf.SMF, error)

func ReadMidi 

func ReadMidi(file *lbx.LbxFile, index int) (*smf.SMF, error)

func ReadMidiFromCache 

func ReadMidiFromCache(cache *lbx.LbxCache, name string, index int) (*smf.SMF, error)

Types

type IFFChunk 

type IFFChunk struct {
	ID   []byte
	Data []byte
}

func (*IFFChunk) GetFormType 

func (chunk *IFFChunk) GetFormType() string

func (*IFFChunk) GetInfoSequence 

func (chunk *IFFChunk) GetInfoSequence() int

func (*IFFChunk) IsCat 

func (chunk *IFFChunk) IsCat() bool

func (*IFFChunk) IsEvent 

func (chunk *IFFChunk) IsEvent() bool

func (*IFFChunk) IsForm 

func (chunk *IFFChunk) IsForm() bool

func (*IFFChunk) IsInfo 

func (chunk *IFFChunk) IsInfo() bool

func (*IFFChunk) IsTimbre 

func (chunk *IFFChunk) IsTimbre() bool

func (*IFFChunk) Name 

func (chunk *IFFChunk) Name() string

func (*IFFChunk) RawData 

func (chunk *IFFChunk) RawData() []byte

func (*IFFChunk) ReadEvent 

func (chunk *IFFChunk) ReadEvent() (MidiEvent, error)

func (*IFFChunk) ReadTimbre 

func (chunk *IFFChunk) ReadTimbre() (IFFTimbre, error)

func (*IFFChunk) Size 

func (chunk *IFFChunk) Size() int

func (*IFFChunk) SubChunk 

func (chunk *IFFChunk) SubChunk() IFFChunk

func (*IFFChunk) SubChunkReader 

func (chunk *IFFChunk) SubChunkReader() *IFFReader

type IFFEvent 

type IFFEvent struct {
}

type IFFReader 

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

func NewIFFReader 

func NewIFFReader(reader io.Reader) *IFFReader

func (*IFFReader) HasMore 

func (reader *IFFReader) HasMore() bool

func (*IFFReader) ReadChunk 

func (reader *IFFReader) ReadChunk() (IFFChunk, error)

type IFFTimbre 

type IFFTimbre struct {
	Entries []IFFTimbreEntry
}

type IFFTimbreEntry 

type IFFTimbreEntry struct {
	Patch uint8
	Bank  uint8
}

type MidiEvent 

type MidiEvent struct {
	Messages []MidiMessage
}

func (*MidiEvent) ConvertToSMF 

func (event *MidiEvent) ConvertToSMF() *smf.SMF

convert from an XMI midi event to a standard midi event by keeping track of note on durations

type MidiMessage 

type MidiMessage interface {
}

midi message events that XMI supports. Notably there is no note off

type MidiMessageChannelPrefix 

type MidiMessageChannelPrefix struct {
	Channel uint8
}

type MidiMessageChannelPressure 

type MidiMessageChannelPressure struct {
	Channel  uint8
	Pressure uint8
}

type MidiMessageControlChange 

type MidiMessageControlChange struct {
	Channel    uint8
	Controller uint8
	Value      uint8
}

type MidiMessageDelay 

type MidiMessageDelay struct {
	Delay int64
}

type MidiMessageEndOfTrack 

type MidiMessageEndOfTrack struct {
}

type MidiMessageKeySignature 

type MidiMessageKeySignature struct {
	Flats int8
	Major uint8
}

type MidiMessageNoteOn 

type MidiMessageNoteOn struct {
	Channel  uint8
	Note     uint8
	Velocity uint8
	Duration int64
}

type MidiMessagePitchWheelChange 

type MidiMessagePitchWheelChange struct {
	Channel uint8
	Value   int16
}

type MidiMessagePortPrefix 

type MidiMessagePortPrefix struct {
	Port uint8
}

type MidiMessageProgramChange 

type MidiMessageProgramChange struct {
	Channel uint8
	Program uint8
}

type MidiMessageSMPTEOffset 

type MidiMessageSMPTEOffset struct {
	Fps      float32
	Hour     uint8
	Minute   uint8
	Second   uint8
	Frame    uint8
	SubFrame uint8
}

type MidiMessageTempoSetting 

type MidiMessageTempoSetting struct {
	Tempo float64
}

type MidiMessageTimeSignature 

type MidiMessageTimeSignature struct {
	Numerator                uint8
	Denominator              uint8
	Metronome                uint8
	DemiSemiQuaverPerQuarter uint8
}

type MidiMessageValue 

type MidiMessageValue uint8

type MidiMetaEventKind 

type MidiMetaEventKind uint8

https://www.ccarh.org/courses/253/handout/smf/ 

const (
	MidiEventSequenceNumber    MidiMetaEventKind = 0x00
	MidiEventTextEvent         MidiMetaEventKind = 0x01
	MidiEventCopyrightNotice   MidiMetaEventKind = 0x02
	MidiEventSequenceTrackName MidiMetaEventKind = 0x03
	MidiEventInstrumentName    MidiMetaEventKind = 0x04
	MidiEventLyric             MidiMetaEventKind = 0x05
	MidiEventMarker            MidiMetaEventKind = 0x06
	MidiEventCuePoint          MidiMetaEventKind = 0x07

	MidiEventChannelPrefix MidiMetaEventKind = 0x20
	MidiEventPortPrefix    MidiMetaEventKind = 0x21
	MidiEventEndOfTrack    MidiMetaEventKind = 0x2f
	MidiEventTempoSetting  MidiMetaEventKind = 0x51
	MidiEventSMPTEOffset   MidiMetaEventKind = 0x54
	MidiEventTimeSignature MidiMetaEventKind = 0x58
	MidiEventKeySignature  MidiMetaEventKind = 0x59
)

type NoteOffDuration 

type NoteOffDuration struct {
	Channel  uint8
	Note     uint8
	Duration int64
	// contains filtered or unexported fields
}

Source Files

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