AfterTouch returns a pointer to a new aftertouch event.

ChannelAfterTouch is a global aftertouch with a value from 0 to 127.

ControlChange sets a new value for a given controller The controller number is between 0-119.

CopyrightEvent returns a copyright event with the passed string in it.

DecodeVarint reads a varint-encoded integer from the slice.

EncodeVarint returns the varint encoding of x.

EndOfTrack indicates the end of the midi track.

FreqToNote reports the associated midi node for a given frequency.

KeyFreq returns the frequency for the given key/octave combo https://en.wikipedia.org/wiki/MIDI_Tuning_Standard#Frequency_values.

KeyInt converts an A-G note notation to a midi note number value.

TODO.

NoteOff returns a pointer to a new event of type NoteOff (without the delta timing data).

NoteOn returns a pointer to a new event of type NoteOn (without the delta timing data).

NoteToFreq returns the frequency of the passed midi note.

NoteToName converts a midi note value into its English name.

PitchWheelChange is sent to indicate a change in the pitch bender.

ProgramChange sets a new value the same way as ControlChange but implements Mode control and special message by using reserved controller numbers 120-127.

TempoEvent returns a new tempo event of the passed value.

Uint24 converts a uint32 into a uint24 (big endian).

Dur16th is the duration of a 1/16th note in beats.

Dur16thT is the duration of a 1/16th note in beats.

Dur8th is the duration of a 1/8th note in beats.

Dur8thT is the duration of a 1/8th triplet note in beats.

ErrFmtNotSupported is a generic error reporting an unknown format.

ErrUnexpectedData is a generic error reporting that the parser encountered unexpected data.

EventByteMap takes an event name and returns its equivalent MIDI byte.

EventMap takes a event byte and returns its matching event name.

MetaByteMap maps metadata command names to their binary cmd code.

MetaCmdMap maps metadata binary command to their names.

Decoder Format documented there: http://www.music.mcgill.ca/~ich/classes/mumt306/midiformat.pdf <Header Chunk> = <chunk type><length><format><ntrks><division> Division, specifies the meaning of the delta-times.

Event <event> = <MIDI event> | <sysex event> | <meta-event> <MIDI event> is any MIDI channel message.

Time signature FF 58 04 nn dd cc bb Time Signature The time signature is expressed as four numbers.

Track <Track Chunk> = <chunk type><length><MTrk event> <MTrk event> = <delta-time><event> .