forked from Wobbl/Wobuzz
176 lines
5.2 KiB
Python
176 lines
5.2 KiB
Python
#!/usr/bin/python3
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import threading
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import pygame.mixer
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import pygame.event
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from .playlist import Playlist
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from .track_progress_timer import TrackProgress
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class Player:
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def __init__(self, app):
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self.app = app
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pygame.mixer.init()
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self.mixer = pygame.mixer
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self.music_channel = self.mixer.Channel(0)
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self.track_progress = TrackProgress(self.app)
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self.history = Playlist(self.app, "History")
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self.current_playlist = Playlist(self.app, "None")
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self.playing = False
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self.paused = False
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self.current_sound = None
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self.current_sound_duration = 0
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def play(self):
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self.music_channel.play(self.current_sound)
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self.playing = True
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self.paused = False
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self.app.gui.track_control.on_playstate_update()
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# cache next track so it immediately starts when the current track finishes
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self.cache_next_track()
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def track_finished(self):
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if not self.current_playlist.on_last_track():
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self.current_sound, self.current_sound_duration = self.current_playlist.next_track()
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self.play()
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self.track_progress.start()
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self.history.append_track(self.current_playlist.current_track)
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last_track = self.history.h_last_track()
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self.app.gui.on_track_change(last_track, self.current_playlist.current_track)
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if self.app.settings.clear_track_cache:
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last_track.clear_cache()
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else:
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self.stop()
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def start_playing(self):
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self.current_sound = self.current_playlist.current_track.sound
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self.current_sound_duration = self.current_playlist.current_track.duration
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self.play()
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self.track_progress.start()
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self.history.append_track(self.current_playlist.current_track)
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self.app.gui.on_track_change(self.history.h_last_track(), self.current_playlist.current_track)
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self.app.gui.track_control.on_playstate_update()
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def play_track_in_playlist(self, track_index):
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self.stop()
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if len(self.history.tracks) == 0:
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self.history.append_track(self.current_playlist.current_track)
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self.current_sound, self.current_sound_duration = self.current_playlist.set_track(track_index)
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self.play()
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self.track_progress.start()
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self.history.append_track(self.current_playlist.current_track)
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last_track = self.history.h_last_track()
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self.app.gui.on_track_change(last_track, self.current_playlist.current_track)
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if (
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self.app.settings.clear_track_cache and
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not last_track is None and
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not last_track == self.current_playlist.current_track
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):
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last_track.clear_cache()
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def pause(self):
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self.music_channel.pause()
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self.track_progress.pause()
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self.paused = True
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self.app.gui.track_control.on_playstate_update()
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def unpause(self):
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self.music_channel.unpause()
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self.track_progress.unpause()
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self.playing = True
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self.paused = False
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self.app.gui.track_control.on_playstate_update()
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def next_track(self):
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if not self.current_playlist.on_last_track():
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self.music_channel.stop()
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self.track_progress.stop()
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self.track_finished()
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def previous_track(self):
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if not self.current_playlist.on_first_track():
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self.music_channel.stop()
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self.current_sound, self.current_sound_duration = self.current_playlist.previous_track()
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self.track_progress.stop()
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self.play()
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self.track_progress.start()
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self.history.append_track(self.current_playlist.current_track)
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self.app.gui.on_track_change(self.history.h_last_track(), self.current_playlist.current_track)
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def stop(self):
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self.music_channel.stop()
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self.track_progress.stop()
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if not self.current_playlist.current_track is None:
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self.current_sound_duration = self.current_playlist.current_track.duration
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self.playing = False
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self.paused = False
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self.app.gui.track_control.on_playstate_update()
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def seek(self, position: int):
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self.music_channel.stop()
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self.track_progress.stop()
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(self.current_sound, self.current_sound_duration) = self.current_playlist.current_track.remaining(position)
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self.play()
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self.track_progress.start()
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def caching_thread_function(self):
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# cache the next track
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# (usually ran in separate thread)
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if self.current_playlist.on_last_track():
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return
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track = self.current_playlist.tracks[self.current_playlist.current_track_index + 1]
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if not track.cached:
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track.cache()
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def cache_next_track(self):
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# function that creates a thread which will cache the next track
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caching_thread = threading.Thread(target=self.caching_thread_function)
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caching_thread.start()
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def start_playlist(self, playlist):
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self.stop()
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self.current_sound, self.current_sound_duration = playlist.set_track(0) # first track
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self.current_playlist = playlist
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self.start_playing()
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