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music_generator_gui.py
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music_generator_gui.py
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# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'musicbotgui.ui'
#
# Created by: PyQt5 UI code generator 5.15.4
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again. Do not edit this file unless you know what you are doing.
import os
import time
import music21.midi.realtime
import numpy as np
from PyQt5 import QtCore, QtGui, QtWidgets
import tensorflow as tf
from music_transformer.convert import midi2idxenc, idxenc2stream
from music_transformer.transformer import MusicGenerator
from music_transformer.vocab import MusicVocab
class Ui_MainWindow(object):
def __init__(self):
model = tf.saved_model.load('trained_models/decoder_only_smaller_1024_mega_ds')
self.generator = MusicGenerator(model)
self.vocab = MusicVocab.create()
self.generated = None
self.sequence = None
self.player = None
self.is_generating = False
self.is_playing = False
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(437, 424)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout_2 = QtWidgets.QGridLayout(self.centralwidget)
self.gridLayout_2.setObjectName("gridLayout_2")
self.verticalLayout_2 = QtWidgets.QVBoxLayout()
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.horizontalLayout = QtWidgets.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setObjectName("label")
self.horizontalLayout.addWidget(self.label)
spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout.addItem(spacerItem)
self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit.setMaximumSize(QtCore.QSize(100, 30))
self.lineEdit.setText("")
self.lineEdit.setObjectName("lineEdit")
self.horizontalLayout.addWidget(self.lineEdit)
self.verticalLayout_2.addLayout(self.horizontalLayout)
self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
self.horizontalLayout_2.setObjectName("horizontalLayout_2")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setObjectName("label_2")
self.horizontalLayout_2.addWidget(self.label_2)
spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_2.addItem(spacerItem1)
self.lineEdit_2 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_2.setMaximumSize(QtCore.QSize(100, 30))
self.lineEdit_2.setObjectName("lineEdit_2")
self.horizontalLayout_2.addWidget(self.lineEdit_2)
self.verticalLayout_2.addLayout(self.horizontalLayout_2)
self.horizontalLayout_3 = QtWidgets.QHBoxLayout()
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
self.label_3 = QtWidgets.QLabel(self.centralwidget)
self.label_3.setObjectName("label_3")
self.horizontalLayout_3.addWidget(self.label_3)
spacerItem2 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_3.addItem(spacerItem2)
self.gen_amount = QtWidgets.QLineEdit(self.centralwidget)
self.gen_amount.setMaximumSize(QtCore.QSize(100, 30))
self.gen_amount.setObjectName("lineEdit_3")
self.horizontalLayout_3.addWidget(self.gen_amount)
self.verticalLayout_2.addLayout(self.horizontalLayout_3)
self.horizontalLayout_4 = QtWidgets.QHBoxLayout()
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
self.label_4 = QtWidgets.QLabel(self.centralwidget)
self.label_4.setObjectName("label_4")
self.horizontalLayout_4.addWidget(self.label_4)
spacerItem3 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_4.addItem(spacerItem3)
self.comboBox = QtWidgets.QComboBox(self.centralwidget)
self.comboBox.setMinimumSize(QtCore.QSize(100, 20))
self.comboBox.setMaximumSize(QtCore.QSize(100, 30))
self.comboBox.setObjectName("comboBox")
self.comboBox.addItem("")
self.comboBox.addItem("")
self.comboBox.addItem("")
self.comboBox.setCurrentIndex(1)
self.horizontalLayout_4.addWidget(self.comboBox)
self.verticalLayout_2.addLayout(self.horizontalLayout_4)
self.horizontalLayout_5 = QtWidgets.QHBoxLayout()
self.horizontalLayout_5.setObjectName("horizontalLayout_5")
self.label_5 = QtWidgets.QLabel(self.centralwidget)
self.label_5.setObjectName("label_5")
self.horizontalLayout_5.addWidget(self.label_5)
spacerItem4 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_5.addItem(spacerItem4)
self.top_k_notes = QtWidgets.QLineEdit(self.centralwidget)
self.top_k_notes.setMaximumSize(QtCore.QSize(100, 30))
self.top_k_notes.setObjectName("lineEdit_5")
self.horizontalLayout_5.addWidget(self.top_k_notes)
self.verticalLayout_2.addLayout(self.horizontalLayout_5)
self.horizontalLayout_6 = QtWidgets.QHBoxLayout()
self.horizontalLayout_6.setObjectName("horizontalLayout_6")
self.label_6 = QtWidgets.QLabel(self.centralwidget)
self.label_6.setObjectName("label_6")
self.horizontalLayout_6.addWidget(self.label_6)
spacerItem5 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_6.addItem(spacerItem5)
self.top_k_durations = QtWidgets.QLineEdit(self.centralwidget)
self.top_k_durations.setMaximumSize(QtCore.QSize(100, 30))
self.top_k_durations.setObjectName("lineEdit_6")
self.horizontalLayout_6.addWidget(self.top_k_durations)
self.verticalLayout_2.addLayout(self.horizontalLayout_6)
self.horizontalLayout_7 = QtWidgets.QHBoxLayout()
self.horizontalLayout_7.setObjectName("horizontalLayout_7")
self.label_7 = QtWidgets.QLabel(self.centralwidget)
self.label_7.setObjectName("label_7")
self.horizontalLayout_7.addWidget(self.label_7)
spacerItem6 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_7.addItem(spacerItem6)
self.top_k_offset = QtWidgets.QLineEdit(self.centralwidget)
self.top_k_offset.setMaximumSize(QtCore.QSize(100, 30))
self.top_k_offset.setObjectName("lineEdit_7")
self.horizontalLayout_7.addWidget(self.top_k_offset)
self.verticalLayout_2.addLayout(self.horizontalLayout_7)
self.horizontalLayout_8 = QtWidgets.QHBoxLayout()
self.horizontalLayout_8.setObjectName("horizontalLayout_8")
self.label_8 = QtWidgets.QLabel(self.centralwidget)
self.label_8.setObjectName("label_8")
self.horizontalLayout_8.addWidget(self.label_8)
spacerItem7 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_8.addItem(spacerItem7)
self.beam_width = QtWidgets.QLineEdit(self.centralwidget)
self.beam_width.setMaximumSize(QtCore.QSize(100, 30))
self.beam_width.setObjectName("lineEdit_8")
self.horizontalLayout_8.addWidget(self.beam_width)
self.verticalLayout_2.addLayout(self.horizontalLayout_8)
self.horizontalLayout_10 = QtWidgets.QHBoxLayout()
self.horizontalLayout_10.setObjectName("horizontalLayout_10")
self.label_9 = QtWidgets.QLabel(self.centralwidget)
self.label_9.setObjectName("label_9")
self.horizontalLayout_10.addWidget(self.label_9)
spacerItem8 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)
self.horizontalLayout_10.addItem(spacerItem8)
self.creativity = QtWidgets.QLineEdit(self.centralwidget)
self.creativity.setMaximumSize(QtCore.QSize(100, 30))
self.creativity.setObjectName("lineEdit_9")
self.horizontalLayout_10.addWidget(self.creativity)
self.verticalLayout_2.addLayout(self.horizontalLayout_10)
self.generate_button = QtWidgets.QPushButton(self.centralwidget)
self.generate_button.setObjectName("pushButton")
self.verticalLayout_2.addWidget(self.generate_button)
self.extend_button = QtWidgets.QPushButton(self.centralwidget)
self.extend_button.setObjectName("pushButton")
self.verticalLayout_2.addWidget(self.extend_button)
self.start_stop_button = QtWidgets.QPushButton(self.centralwidget)
self.start_stop_button.setObjectName("pushButton_2")
self.verticalLayout_2.addWidget(self.start_stop_button)
self.open_midi_button = QtWidgets.QPushButton(self.centralwidget)
self.open_midi_button.setObjectName("pushButton_3")
self.verticalLayout_2.addWidget(self.open_midi_button)
self.save_midi_button = QtWidgets.QPushButton(self.centralwidget)
self.save_midi_button.setObjectName("pushButton_4")
self.verticalLayout_2.addWidget(self.save_midi_button)
self.gridLayout_2.addLayout(self.verticalLayout_2, 2, 0, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
self.generate_button.clicked.connect(self.on_generate_clicked)
self.extend_button.clicked.connect(self.on_extend_clicked)
self.start_stop_button.clicked.connect(self.on_stop_clicked)
self.open_midi_button.clicked.connect(self.open_midi)
self.save_midi_button.clicked.connect(self.save_to_file)
self.extend_button.setDisabled(True)
self.open_midi_button.setDisabled(True)
self.save_midi_button.setDisabled(True)
self.start_stop_button.setDisabled(True)
self.gen_amount.setText('64')
self.top_k_notes.setText('128')
self.top_k_durations.setText('128')
self.top_k_offset.setText('0')
self.beam_width.setText('3')
self.creativity.setText('0')
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "Music generator"))
self.label.setText(_translate("MainWindow", "Prompt MIDI file path (leave empty to generate from nothing):"))
self.label_2.setText(_translate("MainWindow", "Number of input notes from MIDI file (leave empty for all notes)"))
self.label_3.setText(_translate("MainWindow", "Number of new notes to generate"))
self.label_4.setText(_translate("MainWindow", "Search"))
self.comboBox.setItemText(0, _translate("MainWindow", "greedy"))
self.comboBox.setItemText(1, _translate("MainWindow", "top_k"))
self.comboBox.setItemText(2, _translate("MainWindow", "beam"))
self.label_5.setText(_translate("MainWindow", "top_k_notes"))
self.label_6.setText(_translate("MainWindow", "top_k_durations"))
self.label_7.setText(_translate("MainWindow", "top_k_offset"))
self.label_8.setText(_translate("MainWindow", "beam_width (not recommended over 10)"))
self.label_9.setText(_translate("MainWindow", "creativity (0-1000)"))
self.generate_button.setText(_translate("MainWindow", "Generate new sequence"))
self.extend_button.setText(_translate("MainWindow", "Extend current sequence"))
self.start_stop_button.setText(_translate("MainWindow", "Stop playing"))
self.open_midi_button.setText(_translate("MainWindow", "Open generated sequence as MIDI file"))
self.save_midi_button.setText(_translate("MainWindow", "Save generated sequence to \'generated\' directory"))
def set_playing_false(self):
self.is_playing = False
def generate(self, extend=False):
try:
midi_path = self.lineEdit.text()
gen_amount = int(self.gen_amount.text()) * 2
search_type = self.comboBox.currentText()
top_k_notes = int(self.top_k_notes.text())
top_k_durations = int(self.top_k_durations.text())
top_k_offset = int(self.top_k_offset.text())
beam_width = int(self.beam_width.text())
creativity = int(self.creativity.text())
if midi_path and not extend:
inp = midi2idxenc(midi_path, self.vocab, add_eos=False)
elif extend:
inp = self.sequence
else:
inp = np.array([1, 0])
input_amount = self.lineEdit_2.text()
if not input_amount or extend:
input_amount = len(inp)
else:
input_amount = int(input_amount) * 2
inp = inp[:input_amount]
except Exception as e:
print(e)
self.generate_button.setText('Invalid inputs')
return
try:
self.generate_button.setText('Generating...')
self.generate_button.setDisabled(True)
generated = self.generator.extend_sequence(inp, max_generate_len=gen_amount, search=search_type,
top_k_notes=top_k_notes, top_k_durations=top_k_durations,
top_k_offset=top_k_offset, beam_width=beam_width,
creativity=creativity)
self.sequence = generated.numpy()
self.generated = idxenc2stream(self.sequence, vocab=self.vocab)
self.player = music21.midi.realtime.StreamPlayer(self.generated)
self.player.play(blocked=False, endFunction=self.set_playing_false)
self.is_playing = True
self.start_stop_button.setDisabled(False)
self.start_stop_button.setText('Stop playing')
self.generate_button.setDisabled(False)
self.open_midi_button.setDisabled(False)
self.save_midi_button.setDisabled(False)
if not extend:
self.extend_button.setDisabled(False)
self.generate_button.setText('Generate new sequence')
except Exception as e:
self.generate_button.setText("Error occured")
print(e)
finally:
self.generate_button.setDisabled(False)
def on_generate_clicked(self):
self.generate()
def on_extend_clicked(self):
self.generate(extend=True)
def on_stop_clicked(self):
if self.player is not None:
if self.is_playing:
self.player.stop()
self.start_stop_button.setText('Play generated sequence')
self.is_playing = False
else:
self.player.play(blocked=False, endFunction=self.set_playing_false)
self.start_stop_button.setText('Stop playing')
self.is_playing = True
def open_midi(self):
if self.generated is not None:
self.generated.show('midi')
def save_to_file(self):
if self.generated is not None:
try:
self.save_midi_button.setText("Save generated sequence to \'generated\' directory")
if not os.path.isdir('./generated'):
os.mkdir('generated')
self.generated.write('midi', fp=f'./generated/{int(time.time())}.mid')
except Exception as e:
self.save_midi_button.setText("Error occured")
print(e)
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())