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use midi_msg::*;
#[test]
fn test_smf_file() {
let test1 = include_bytes!("./test1.mid");
let expected = MidiFile {
header: Header {
format: SMFFormat::MultiTrack,
num_tracks: 2,
division: Division::TicksPerQuarterNote(192),
},
tracks: vec![
Track::Midi(vec![
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::TimeSignature(FileTimeSignature {
numerator: 4,
denominator: 4,
clocks_per_metronome_tick: 24,
thirty_second_notes_per_24_clocks: 8,
}),
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::SetTempo(500000),
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::TrackName("Tempo Track".to_string()),
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 7680,
event: MidiMsg::Meta {
msg: Meta::EndOfTrack,
},
beat_or_frame: 40.0,
},
]),
Track::Midi(vec![
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::TrackName("New Instrument".to_string()),
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::NoteOn {
note: 60,
velocity: 100,
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 768,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::NoteOff {
note: 60,
velocity: 0,
},
},
beat_or_frame: 4.0,
},
TrackEvent {
delta_time: 6912,
event: MidiMsg::Meta {
msg: Meta::EndOfTrack,
},
beat_or_frame: 40.0,
},
]),
],
};
let deserialize_result = MidiFile::from_midi(test1);
assert!(deserialize_result.is_ok());
assert_eq!(deserialize_result.unwrap(), expected);
let serialized = expected.to_midi();
assert_eq!(&serialized, test1);
}
#[test]
fn test_score_file() {
// File generated from MuseScore 4. The file is a simple score with a single track, but MuseScore adds a number of meta events and control changes.
let test_score1 = include_bytes!("./test_score1.mid");
let expected = MidiFile {
header: Header {
format: SMFFormat::MultiTrack,
num_tracks: 1,
division: Division::TicksPerQuarterNote(480),
},
tracks: vec![Track::Midi(vec![
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::TrackName("Piccolo".to_string()),
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::TimeSignature(FileTimeSignature {
numerator: 4,
denominator: 4,
clocks_per_metronome_tick: 24,
thirty_second_notes_per_24_clocks: 8,
}),
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::KeySignature(KeySignature { key: 0, scale: 0 }),
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::SetTempo(500000),
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelMode {
channel: Channel::Ch1,
msg: ChannelModeMsg::ResetAllControllers,
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Undefined {
control: 100,
value: 0,
},
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Undefined {
control: 101,
value: 0,
},
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::DataEntry(1536),
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Undefined {
control: 100,
value: 127,
},
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Undefined {
control: 101,
value: 127,
},
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ProgramChange { program: 72 },
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Volume(12800),
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Pan(8192),
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Effects1Depth(0),
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Effects3Depth(0),
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::Meta {
msg: Meta::Unknown {
meta_type: 33,
data: vec![0],
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::NoteOn {
note: 84,
velocity: 80,
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 0,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::ControlChange {
control: ControlChange::Breath(10240),
},
},
beat_or_frame: 0.0,
},
TrackEvent {
delta_time: 479,
event: MidiMsg::ChannelVoice {
channel: Channel::Ch1,
msg: ChannelVoiceMsg::NoteOn {
note: 84,
velocity: 0,
},
},
beat_or_frame: 0.99791664,
},
TrackEvent {
delta_time: 1,
event: MidiMsg::Meta {
msg: Meta::EndOfTrack,
},
beat_or_frame: 1.0,
},
])],
};
let deserialize_result = MidiFile::from_midi(test_score1);
assert!(deserialize_result.is_ok());
assert_eq!(deserialize_result.unwrap(), expected);
}