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