midi

type MThd struct {
	Tag           string
	Length        uint32
	Format        uint16
	Tracks        uint16
	Division      uint16
	PPQN          uint16
	SMPTETimeCode bool
	SubFrames     uint16
	FPS           uint8
	DropFrame     bool
	Bytes         types.Hex `json:"-"`
}

type MTrk struct {
	Tag         string
	TrackNumber types.TrackNumber
	Length      uint32
	Bytes       types.Hex `json:"-"`

	Events []*events.Event

	Context *context.Context
}

type SMF struct {
	File   string  `json:"-"s`
	MThd   *MThd   `json:"header"`
	Tracks []*MTrk `json:"tracks"`
}

type ValidationError error