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demo pydub normalisation

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This commit is contained in:
Matthew Stratford 2021-07-16 23:56:58 +01:00
parent e821df5585
commit 8d98410a6a
1 changed files with 22 additions and 2 deletions
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24
player.py
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@ -34,6 +34,7 @@ from pygame import mixer
from mutagen.mp3 import MP3
from syncer import sync
from threading import Timer
from pydub import AudioSegment, effects # Audio leveling!
from helpers.myradio_api import MyRadioAPI
from helpers.state_manager import StateManager
@ -436,12 +437,30 @@ class Player:
# TODO: Update the show plan filenames???
load_attempt = 0
if not isinstance(loaded_item.filename, str):
return False
while load_attempt < 5:
load_attempt += 1
try:
self.logger.log.info("Loading file: " +
str(loaded_item.filename))
mixer.music.load(loaded_item.filename)
def match_target_amplitude(sound, target_dBFS):
change_in_dBFS = target_dBFS - sound.dBFS
return sound.apply_gain(change_in_dBFS)
sound = AudioSegment.from_file(loaded_item.filename, "mp3")
normalized_sound = effects.normalize(sound) #match_target_amplitude(sound, -10)
normalized_sound.export("{}-normalised.mp3".format(loaded_item.filename), bitrate="320k", format="mp3")
mixer.music.load("{}-normalised.mp3".format(loaded_item.filename))
except Exception:
# We couldn't load that file.
self.logger.log.exception(
@ -456,10 +475,11 @@ class Player:
continue # Try loading again.
try:
if ".mp3" in loaded_item.filename:
if loaded_item.filename.endswith(".mp3"):
song = MP3(loaded_item.filename)
self.state.update("length", song.info.length)
else:
# WARNING! Pygame / SDL can't seek .wav files :/
self.state.update(
"length", mixer.Sound(
loaded_item.filename).get_length() / 1000