Python MIDIFile.addControllerEvent方法代码示例

# 需要导入模块: from midiutil.MidiFile import MIDIFile [as 别名]
# 或者: from midiutil.MidiFile.MIDIFile import addControllerEvent [as 别名]
    def savefile(self):
        """Construct MIDI file and save"""
        global pad_records, instrument, pitch

        MyMIDI = MIDIFile(1)
        MyMIDI.addTempo(0, 0, 600)

        for i in range(0, total_pads):
            print len(pad_records["pad{0}".format(i+1)])
            MyMIDI.addProgramChange(0, i, 0, instrument[i])                            # set channel instrument
            print instrument[i]
            for j in range(0, len(pad_records["pad{0}".format(i+1)])):
                # print pad_records["pad{0}".format(i+1)][j]/8
                if j == 0:
                    MyMIDI.addNote(0, i, pitch[i], 0, len(pad_records["pad{0}".format(i+1)]), pad_records["pad{0}".format(i+1)][j]/8)
                    print "ch" + str(i) + " pitch: " + str(pitch[i]) + " vol:" + str(pad_records["pad{0}".format(i+1)][j]/8)
                else:
                    MyMIDI.addControllerEvent(0, i, j, 0x07, pad_records["pad{0}".format(i+1)][j]/8)
                    print " vol:" + str(pad_records["pad{0}".format(i+1)][j]/8)

        filename = self.browse_filepath.get() + "/" + self.saveFileName.get()
        # try:
        binfile = open(filename, 'wb')
        MyMIDI.writeFile(binfile)
        binfile.close()
        print "saved"

# 需要导入模块: from midiutil.MidiFile import MIDIFile [as 别名]
# 或者: from midiutil.MidiFile.MIDIFile import addControllerEvent [as 别名]
    def render(self, doc, output_file='output.mid'):
        ''' Produces actual output.
        Assumptions: separate channel for each DataObject'''
        # Note - I fixed a bug in MidiFile.py that was causing crashes (part of the midiutil lib).
        # Author confirms this is a bug, and will eventually fix and patch, but for now there's a
        # modified version of midiutil bundled with the project.

        # Create the MIDIFile Object with 1 track
        MyMIDI = MIDIFile(1)

        # Tracks are numbered from zero. Times are measured in beats.
        track = 0
        time = 0

        # Add track name and tempo.
        MyMIDI.addTrackName(track, time, "Sample Track")
        MyMIDI.addTempo(track, time, self.tempo)

        for channel, do in enumerate(doc):
            for cc_number, time_series in do.items():
                for i, val in enumerate(time_series):
                    time = float(i) / time_series.sample_rate
                    logging.debug(str(time) + ' ' + str(val))
                    MyMIDI.addControllerEvent(track, channel, time, cc_number, int(val))

        # And write it to disk.
        with open(output_file, 'wb') as binfile:
            MyMIDI.writeFile(binfile)
        return MyMIDI

# 需要导入模块: from midiutil.MidiFile import MIDIFile [as 别名]
# 或者: from midiutil.MidiFile.MIDIFile import addControllerEvent [as 别名]
    def savefile(self):
        """Construct MIDI file and save"""
        global pad_records, instrument, pitch

        MyMIDI = MIDIFile(1)
        MyMIDI.addTempo(0, 0, 600)

        for i in range(0, total_pads):
            pad_active = False
            list_length = len(pad_records["pad{0}".format(i+1)])
            MyMIDI.addProgramChange(0, i, 0, instrument[i])                            # set channel instrument
            for j in range(0, list_length):
                velocity = pad_records["pad{0}".format(i+1)][j]/8
                if not pad_active and (velocity > 0):
                    MyMIDI.addNote(0, i, 60, 0, list_length-j, velocity)               # add note if velocity > 0 and pad not on
                    pad_active = True
                elif pad_active:
                    MyMIDI.addControllerEvent(0, i, j, 0x07, velocity)                 # change volume
                    if velocity == 0:
                        pad_active = False


        filename = self.browse_filepath.get() + "/" + self.saveFileName.get()
        try:
            binfile = open(filename, 'wb')
            MyMIDI.writeFile(binfile)
            binfile.close()
            # print "saved"
            tkMessageBox.showinfo(
                " ",
                "Saved MIDI file"
            )
        except:
            tkMessageBox.showerror(
                "Error",
                "Cannot save MIDI file"
            )

# 需要导入模块: from midiutil.MidiFile import MIDIFile [as 别名]
# 或者: from midiutil.MidiFile.MIDIFile import addControllerEvent [as 别名]
# Tracks are numbered from zero. Times are measured in beats.
track = 0
time = 0


# Add track name and tempo.
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, 120)


# Add a note. addNote expects the following information:
track = 0
channel = 0
pitch = 60
time = 0
duration = 1
volume = 100


# Now add the note.
for time in range(10):
    # MyMIDI.addNote(track,channel,pitch,time,duration,volume)
    MyMIDI.addControllerEvent(track, channel, time, 0x10, 10 * time) # cc 74


# And write it to disk.
binfile = open("output.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()