def testTempo(self):
tempo = 60
MyMIDI = MIDIFile(1, file_format=2)
MyMIDI.addTempo(0, 0, tempo)
MyMIDI.close()
data = Decoder(MyMIDI.tracks[0].MIDIdata)
self.assertEqual(MyMIDI.tracks[0].MIDIEventList[0].evtname, 'Tempo')
self.assertEqual(data.unpack_into_byte(0), 0x00) # time
self.assertEqual(data.unpack_into_byte(1), 0xff) # Code
self.assertEqual(data.unpack_into_byte(2), 0x51)
self.assertEqual(data.unpack_into_byte(3), 0x03)
self.assertEqual(data[4:7],
struct.pack('>L', int(60000000 / tempo))[1:4])
# Also check the format 1 file
tempo = 60
MyMIDI = MIDIFile(2, file_format=1)
MyMIDI.addTempo(1, 0, tempo)
MyMIDI.close()
data = Decoder(MyMIDI.tracks[0].MIDIdata)
self.assertEqual(MyMIDI.tracks[0].MIDIEventList[0].evtname, 'Tempo')
self.assertEqual(data.unpack_into_byte(0), 0x00) # time
self.assertEqual(data.unpack_into_byte(1), 0xff) # Code
self.assertEqual(data.unpack_into_byte(2), 0x51)
self.assertEqual(data.unpack_into_byte(3), 0x03)
self.assertEqual(data[4:7],
struct.pack('>L', int(60000000 / tempo))[1:4])
def testRemoveDuplicates(self):
# First notes
track = 0
channel = 0
pitch = 69
time = 0
duration = 1
volume = 64
MyMIDI = MIDIFile(1)
MyMIDI.addNote(track, channel, pitch, time, duration,
volume) # also adds a corresponding NoteOff
MyMIDI.addNote(track, channel, pitch, time, duration,
volume) # also adds a corresponding NoteOff
MyMIDI.close()
self.assertEqual(2, len(
MyMIDI.tracks[1].eventList)) # One NoteOn event, one NoteOff event
MyMIDI = MIDIFile(1)
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
pitch = 70
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
MyMIDI.close()
self.assertEqual(4, len(MyMIDI.tracks[1].eventList)
) # Two NoteOn events, two NoteOff events
# Next tempo
tempo = 60
track = 0
time = 0
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, time, tempo)
MyMIDI.addTempo(track, time, tempo)
MyMIDI.close()
self.assertEqual(1, len(MyMIDI.tracks[0].eventList))
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, time, tempo)
tempo = 80
MyMIDI.addTempo(track, time, tempo)
MyMIDI.close()
self.assertEqual(2, len(MyMIDI.tracks[0].eventList))
# Program Number
time = 0
track = 0
program = 10
channel = 0
MyMIDI = MIDIFile(1)
MyMIDI.addProgramChange(track, channel, time, program)
MyMIDI.addProgramChange(track, channel, time, program)
MyMIDI.close()
self.assertEqual(1, len(MyMIDI.tracks[track + 1].eventList))
MyMIDI = MIDIFile(1)
MyMIDI.addProgramChange(track, channel, time, program)
program = 11
MyMIDI.addProgramChange(track, channel, time, program)
MyMIDI.close()
self.assertEqual(2, len(MyMIDI.tracks[track + 1].eventList))
# Track Name
track = 0
time = 0
track_name = "track"
MyMIDI = MIDIFile(1)
MyMIDI.addTrackName(track, time, track_name)
MyMIDI.addTrackName(track, time, track_name)
MyMIDI.close()
self.assertEqual(1, len(MyMIDI.tracks[1].eventList))
MyMIDI = MIDIFile(1)
MyMIDI.addTrackName(track, time, track_name)
track_name = "track 2"
MyMIDI.addTrackName(track, time, track_name)
MyMIDI.close()
self.assertEqual(2, len(MyMIDI.tracks[1].eventList))
# SysEx. These are never removed
track = 0
time = 0
manufacturer = 10
MyMIDI = MIDIFile(1)
MyMIDI.addSysEx(track, time, manufacturer, struct.pack('>B', 0x01))
MyMIDI.addSysEx(track, time, manufacturer, struct.pack('>B', 0x01))
MyMIDI.close()
self.assertEqual(2, len(MyMIDI.tracks[1].eventList))
# UniversalSysEx. Same thing -- never remove
track = 0
time = 0
code = 1
subcode = 2
payload_number = 47
payload = struct.pack('>B', payload_number)
MyMIDI = MIDIFile(1)
MyMIDI.addUniversalSysEx(track,
time,
code,
subcode,
payload,
realTime=True)
MyMIDI.addUniversalSysEx(track,
time,
code,
subcode,
payload,
realTime=True)
MyMIDI.close()
self.assertEqual(2, len(MyMIDI.tracks[1].eventList))
