import threading
import pydub
import pygame
+import math
+import time
class MusicFile:
- def __init__(self, filename, lock, channel_id, name = None):
+ def __init__(self, filename, lock, channel_id, name = None, gain = 1):
self.filename = filename
self.channel_id = channel_id
self.name = name or filename
self.raw_data = None
- self.sound = None
+ self.gain = gain
self.loaded = False
self.flag_paused = False
def load_sound(self, lock):
lock.acquire()
print("Loading « {} »".format(self.name))
- self.raw_data = pydub.AudioSegment.from_file(self.filename).set_frame_rate(44100).raw_data
- self.sound = pygame.mixer.Sound(self.raw_data)
+ volume_factor = 20 * math.log10(self.gain)
+ audio_segment = pydub.AudioSegment.from_file(self.filename).set_frame_rate(44100).apply_gain(volume_factor)
+ self.sound_duration = audio_segment.duration_seconds
+ self.raw_data = audio_segment.raw_data
print("Loaded « {} »".format(self.name))
self.loaded = True
lock.release()
def is_paused(self):
return self.flag_paused
+ @property
+ def sound_position(self):
+ if self.is_playing() and not self.is_paused():
+ return min(time.time() - self.started_at, self.sound_duration)
+ elif self.is_playing() and self.is_paused():
+ return min(self.paused_at - self.started_at, self.sound_duration)
+ else:
+ return 0
+
def play(self, fade_in = 0, volume = 100, start_at = 0):
self.channel().set_endevent()
self.channel().set_endevent(pygame.USEREVENT)
self.set_volume(volume)
if start_at > 0:
- song_duration = self.sound.get_length()
raw_data_length = len(self.raw_data)
- start_offset = int((raw_data_length / song_duration) * start_at)
+ start_offset = int((raw_data_length / self.sound_duration) * start_at)
start_offset = start_offset - (start_offset % 2)
- self.sound = pygame.mixer.Sound(self.raw_data[start_offset:])
+ sound = pygame.mixer.Sound(self.raw_data[start_offset:])
else:
- self.sound = pygame.mixer.Sound(self.raw_data)
+ sound = pygame.mixer.Sound(self.raw_data)
- self.channel().play(self.sound, fade_ms = fade_in * 1000)
+ self.started_at = time.time()
+ self.channel().play(sound, fade_ms = int(fade_in * 1000))
self.flag_paused = False
def pause(self):
+ self.paused_at = time.time()
self.channel().pause()
self.flag_paused = True
def unpause(self):
+ self.started_at += (time.time() - self.paused_at)
self.channel().unpause()
self.flag_paused = False
def stop(self, fade_out = 0):
if fade_out > 0:
- self.channel().fadeout(fade_out * 1000)
+ self.channel().fadeout(int(fade_out * 1000))
else:
self.channel().stop()
value = 0
if value > 100:
value = 100
- self.sound.set_volume(value / 100)
+ self.channel().set_volume(value / 100)
def wait_end(self):
pass