def testAddNote(self):
MyMIDI = MIDIFile(1) # a format 1 file, so we increment the track number below
track = 0
channel = 0
pitch = 100
time = 0
duration = 1
volume = 100
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
self.assertEqual(MyMIDI.tracks[1].eventList[0].evtname, "NoteOn")
self.assertEqual(MyMIDI.tracks[1].eventList[0].pitch, pitch)
self.assertEqual(MyMIDI.tracks[1].eventList[0].tick, MyMIDI.time_to_ticks(time))
self.assertEqual(MyMIDI.tracks[1].eventList[0].duration, MyMIDI.time_to_ticks(duration))
self.assertEqual(MyMIDI.tracks[1].eventList[0].volume, volume)
def testShiftTrack(self):
track = 0
channel = 0
pitch = 100
time = 1
duration = 1
volume = 100
MyMIDI = MIDIFile(1)
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
self.assertEqual(MyMIDI.tracks[1].eventList[0].evtname, "NoteOn")
self.assertEqual(MyMIDI.tracks[1].eventList[0].pitch, pitch)
self.assertEqual(MyMIDI.tracks[1].eventList[0].tick, MyMIDI.time_to_ticks(time))
self.assertEqual(MyMIDI.tracks[1].eventList[0].duration, MyMIDI.time_to_ticks(duration))
self.assertEqual(MyMIDI.tracks[1].eventList[0].volume, volume)
MyMIDI.shiftTracks()
self.assertEqual(MyMIDI.tracks[1].eventList[0].tick, 0)
def testDeinterleaveNotes(self):
MyMIDI = MIDIFile(1, adjust_origin=False)
track = 0
channel = 0
pitch = 100
time1 = 0
time2 = 1
duration = 2
volume = 100
MyMIDI.addNote(track, channel, pitch, time1, duration, volume) # on at 0 off at 2
MyMIDI.addNote(track, channel, pitch, time2, duration, volume+1) # on at 1 off at 3
MyMIDI.close()
# ticks have already been converted to delta ticks
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].evtname, 'NoteOn')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].tick, MyMIDI.time_to_ticks(time1))
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].evtname, 'NoteOff')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].tick, MyMIDI.time_to_ticks(time2))
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[2].evtname, 'NoteOn')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[2].tick, MyMIDI.time_to_ticks(time2 - time2))
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[3].evtname, 'NoteOff')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[3].tick, MyMIDI.time_to_ticks(time2 - time2 + duration))
def testTimeShift(self):
# With one track
MyMIDI = MIDIFile(1)
track = 0
channel = 0
pitch = 100
time1 = 5
duration = 1
volume = 100
MyMIDI.addNote(track, channel, pitch, time1, duration, volume)
MyMIDI.close()
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].evtname, 'NoteOn')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].tick, MyMIDI.time_to_ticks(0))
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].evtname, 'NoteOff')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].tick, MyMIDI.time_to_ticks(duration))
# With two tracks
track2 = 1
MyMIDI = MIDIFile(2)
MyMIDI.addNote(track, channel, pitch, time1, duration, volume)
time2 = 6
MyMIDI.addNote(track2, channel, pitch, time2, duration, volume)
MyMIDI.close()
# ticks have already been converted to delta ticks
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].evtname, 'NoteOn')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].tick, MyMIDI.time_to_ticks(0))
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].evtname, 'NoteOff')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].tick, MyMIDI.time_to_ticks(duration))
self.assertEqual(MyMIDI.tracks[2].MIDIEventList[0].evtname, 'NoteOn')
self.assertEqual(MyMIDI.tracks[2].MIDIEventList[0].tick, MyMIDI.time_to_ticks(0 + duration))
self.assertEqual(MyMIDI.tracks[2].MIDIEventList[1].evtname, 'NoteOff')
self.assertEqual(MyMIDI.tracks[2].MIDIEventList[1].tick, MyMIDI.time_to_ticks(0 + duration))
# Negative Time
MyMIDI = MIDIFile(1)
track = 0
channel = 0
pitch = 100
time = -5
duration = 1
volume = 100
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
MyMIDI.close()
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].evtname, 'NoteOn')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].tick, MyMIDI.time_to_ticks(0))
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].evtname, 'NoteOff')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].tick, MyMIDI.time_to_ticks(0 + duration))
# Negative time, two tracks
MyMIDI = MIDIFile(2)
track = 0
channel = 0
pitch = 100
time = -1
duration = 1
volume = 100
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
track2 = 1
time2 = 0
MyMIDI.addNote(track2, channel, pitch, time2, duration, volume)
MyMIDI.close()
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].evtname, 'NoteOn')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[0].tick, MyMIDI.time_to_ticks(0))
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].evtname, 'NoteOff')
self.assertEqual(MyMIDI.tracks[1].MIDIEventList[1].tick, MyMIDI.time_to_ticks(1))
self.assertEqual(MyMIDI.tracks[2].MIDIEventList[0].evtname, 'NoteOn')
self.assertEqual(MyMIDI.tracks[2].MIDIEventList[0].tick, MyMIDI.time_to_ticks(1))
self.assertEqual(MyMIDI.tracks[2].MIDIEventList[1].evtname, 'NoteOff')
self.assertEqual(MyMIDI.tracks[2].MIDIEventList[1].tick, MyMIDI.time_to_ticks(1))
