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))