247 lines
11 KiB
Python
247 lines
11 KiB
Python
import DBA
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from ui import Ui_MainWindow
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from PyQt5.QtWidgets import QMainWindow, QApplication, QGraphicsScene, QHeaderView
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import qdarktheme
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from PyQt5.QtCore import QUrl, QTimer, QEvent, Qt, QRect
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from PyQt5.QtMultimedia import QMediaPlayer, QMediaContent, QAudioProbe
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from PyQt5.QtGui import QPixmap
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from utils import scan_for_music
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from utils import initialize_library_database
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from components import AudioVisualizer
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from components import PreferencesWindow
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from pyqtgraph import mkBrush
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import configparser
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# Create ui.py file from Qt Designer
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# pyuic5 ui.ui -o ui.py
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class ApplicationWindow(QMainWindow, Ui_MainWindow):
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def __init__(self, qapp):
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super(ApplicationWindow, self).__init__()
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self.setupUi(self)
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self.setWindowTitle('MusicPom')
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self.selected_song_filepath = None
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self.current_song_filepath = None
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self.current_song_metadata = None
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self.current_song_album_art = None
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self.album_art_scene = QGraphicsScene()
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self.qapp = qapp
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print(f'ApplicationWindow self.qapp: {self.qapp}')
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self.tableView.load_qapp(self.qapp)
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self.config = configparser.ConfigParser()
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self.config.read('config.ini')
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global stopped
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stopped = False
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# Initialization
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self.player = QMediaPlayer() # Audio player
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self.probe = QAudioProbe() # Get audio data
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self.timer = QTimer(self) # Audio timing things
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# self.model = QStandardItemModel() # Table library listing
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self.audio_visualizer = AudioVisualizer(self.player)
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self.current_volume = 50
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self.player.setVolume(self.current_volume)
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# Audio probe for processing audio signal in real time
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# Provides faster updates than move_slider
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self.probe.setSource(self.player)
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self.probe.audioBufferProbed.connect(self.process_probe)
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# Slider Timer (realtime playback feedback horizontal bar)
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self.timer.start(150) # 150ms update interval solved problem with drag seeking halting playback
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self.timer.timeout.connect(self.move_slider)
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# Graphics plot
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self.PlotWidget.setXRange(0,100,padding=0) # x axis range
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self.PlotWidget.setYRange(0,0.3,padding=0) # y axis range
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self.PlotWidget.getAxis('bottom').setTicks([]) # Remove x-axis ticks
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self.PlotWidget.getAxis('bottom').setLabel('') # Remove x-axis label
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self.PlotWidget.setLogMode(False,False)
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# Remove y-axis labels and decorations
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self.PlotWidget.getAxis('left').setTicks([]) # Remove y-axis ticks
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self.PlotWidget.getAxis('left').setLabel('') # Remove y-axis label
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# Connections
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# ! FIXME moving the slider while playing is happening frequently causes playback to halt - the pyqtgraph is also affected by this
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self.playbackSlider.sliderMoved[int].connect(lambda: self.player.setPosition(self.playbackSlider.value())) # Move slidet to adjust playback time
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self.volumeSlider.sliderMoved[int].connect(lambda: self.volume_changed()) # Move slider to adjust volume
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self.playButton.clicked.connect(self.on_play_clicked) # Click to play/pause
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# self.pauseButton.clicked.connect(self.on_pause_clicked)
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self.previousButton.clicked.connect(self.on_previous_clicked) # Click to previous song
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self.nextButton.clicked.connect(self.on_next_clicked) # Click to next song
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self.actionPreferences.triggered.connect(self.actionPreferencesClicked) # Open preferences menu
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self.actionScanLibraries.triggered.connect(self.scan_libraries) # Scan library
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self.actionClearDatabase.triggered.connect(self.clear_database) # Clear database
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## tableView
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# self.tableView.clicked.connect(self.set_clicked_cell_filepath)
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self.tableView.doubleClicked.connect(self.play_audio_file) # Double click to play song
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self.tableView.enterKey.connect(self.play_audio_file) # Press Enter to play song
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self.tableView.playPauseSignal.connect(self.on_play_clicked) # Spacebar toggle playpause signal
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self.tableView.viewport().installEventFilter(self) # for drag & drop functionality
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# self.tableView.model.layoutChanged()
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### set column widths
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table_view_column_widths = str(self.config['table']['column_widths']).split(',')
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for i in range(self.tableView.model.columnCount()):
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self.tableView.setColumnWidth(i, int(table_view_column_widths[i]))
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# dont extend last column past table view border
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self.tableView.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
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self.tableView.horizontalHeader().setStretchLastSection(False)
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def eventFilter(self, source, event):
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"""Handles events"""
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# tableView (drag & drop)
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if (source is self.tableView.viewport() and
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(event.type() == QEvent.DragEnter or
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event.type() == QEvent.DragMove or
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event.type() == QEvent.Drop) and
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event.mimeData().hasUrls()):
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files = []
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if event.type() == QEvent.Drop:
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for url in event.mimeData().urls():
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if url.isLocalFile():
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files.append(url.path())
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self.tableView.add_files(files)
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event.accept()
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return True
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return super().eventFilter(source, event)
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def closeEvent(self, event):
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"""Save settings when closing the application"""
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# MusicTable/tableView column widths
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list_of_column_widths = []
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for i in range(self.tableView.model.columnCount()):
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list_of_column_widths.append(str(self.tableView.columnWidth(i)))
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column_widths_as_string = ','.join(list_of_column_widths)
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self.config['table']['column_widths'] = column_widths_as_string
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# Save the config
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with open('config.ini', 'w') as configfile:
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self.config.write(configfile)
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super().closeEvent(event)
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def play_audio_file(self):
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"""Start playback of selected track & moves playback slider"""
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self.current_song_metadata = self.tableView.get_current_song_metadata() # get metadata
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self.current_song_album_art = self.tableView.get_current_song_album_art()
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url = QUrl.fromLocalFile(self.tableView.get_current_song_filepath()) # read the file
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content = QMediaContent(url) # load the audio content
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self.player.setMedia(content) # what content to play
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self.player.play() # play
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self.move_slider() # mover
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# assign metadata
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# FIXME when i change tinytag to something else
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artist = self.current_song_metadata["artist"][0] if "artist" in self.current_song_metadata else None
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album = self.current_song_metadata["album"][0] if "album" in self.current_song_metadata else None
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title = self.current_song_metadata["title"][0]
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# edit labels
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self.artistLabel.setText(artist)
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self.albumLabel.setText(album)
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self.titleLabel.setText(title)
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# set album artwork
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self.load_album_art(self.current_song_album_art)
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def load_album_art(self, album_art_data):
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"""Sets the album art for the currently playing track"""
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if self.current_song_album_art:
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# Create pixmap for album art
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pixmap = QPixmap()
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pixmap.loadFromData(self.current_song_album_art)
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self.album_art_scene.addPixmap(pixmap)
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# Reset the scene
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self.albumGraphicsView.setScene(None)
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# Set the scene
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self.albumGraphicsView.setScene(self.album_art_scene)
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# Put artwork in the scene, fit to graphics view widget
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self.albumGraphicsView.fitInView(self.album_art_scene.sceneRect(), Qt.KeepAspectRatio)
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def update_audio_visualization(self):
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"""Handles upading points on the pyqtgraph visual"""
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self.clear_audio_visualization()
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self.y = self.audio_visualizer.get_amplitudes()
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self.x = [i for i in range(len(self.y))]
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self.PlotWidget.plot(self.x, self.y, fillLevel=0, fillBrush=mkBrush('b'))
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self.PlotWidget.show()
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def clear_audio_visualization(self):
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self.PlotWidget.clear()
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def move_slider(self):
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"""Handles moving the playback slider"""
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if stopped:
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return
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else:
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# Update the slider
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if self.player.state() == QMediaPlayer.PlayingState:
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self.playbackSlider.setMinimum(0)
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self.playbackSlider.setMaximum(self.player.duration())
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slider_position = self.player.position()
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self.playbackSlider.setValue(slider_position)
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current_minutes, current_seconds = divmod(slider_position / 1000, 60)
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duration_minutes, duration_seconds = divmod(self.player.duration() / 1000, 60)
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self.startTimeLabel.setText(f"{int(current_minutes):02d}:{int(current_seconds):02d}")
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self.endTimeLabel.setText(f"{int(duration_minutes):02d}:{int(duration_seconds):02d}")
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def volume_changed(self):
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"""Handles volume changes"""
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try:
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self.current_volume = self.volumeSlider.value()
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self.player.setVolume(self.current_volume)
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except Exception as e:
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print(f"Changing volume error: {e}")
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def on_play_clicked(self):
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"""Updates the Play & Pause buttons when clicked"""
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if self.player.state() == QMediaPlayer.PlayingState:
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self.player.pause()
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self.playButton.setText("▶️")
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else:
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if self.player.state() == QMediaPlayer.PausedState:
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self.player.play()
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self.playButton.setText("⏸️")
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else:
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self.play_audio_file()
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self.playButton.setText("⏸️")
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def on_previous_clicked(self):
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""""""
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print('previous')
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def on_next_clicked(self):
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print('next')
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def actionPreferencesClicked(self):
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preferences_window = PreferencesWindow(self.config)
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preferences_window.exec_() # Display the preferences window modally
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def scan_libraries(self):
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scan_for_music()
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self.tableView.fetch_library()
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def clear_database(self):
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initialize_library_database()
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self.tableView.fetch_library()
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def process_probe(self, buff):
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buff.startTime()
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self.update_audio_visualization()
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if __name__ == "__main__":
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import sys
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app = QApplication(sys.argv)
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print(f'main.py app: {app}')
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qdarktheme.setup_theme()
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ui = ApplicationWindow(app)
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ui.show()
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sys.exit(app.exec_())
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