ad244ffc7e
Co-authored-by: Artur Tamazian <artur-tamazian> Co-authored-by: Javier Gonzalez <javierggt@yahoo.com>
72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
from kivy.clock import Clock
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from kivy.core.audio import SoundLoader
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from kivy.utils import platform
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cached_sounds = {}
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_audio_available = False
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# prefer ffpyplayer on linux, then others, avoid gst and avoid or ffpyplayer on windows
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ranking = [("ffplay", 98 if platform in ["win", "macosx"] else -2), ("sdl", -1), ("gst", 99), ("", 0)]
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try:
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SoundLoader._classes.sort(key=lambda cls: [v for k, v in ranking if k in cls.__name__.lower()][0])
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except Exception as e:
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print("Exception sorting sound loaders: ", e) # private vars, so could break with versions etc
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def preload_sounds(sound_dir):
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"""Preload all sounds before the SDL2 window is created.
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SoundLoader.load() deadlocks when no audio output device is available,
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so we test audio in a subprocess first.
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"""
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global _audio_available
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import os
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import sys
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import subprocess
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audio_files = [
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os.path.join(sound_dir, fn) for fn in os.listdir(sound_dir)
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if fn.endswith((".wav", ".ogg", ".mp3"))
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]
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if not audio_files:
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return
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# Test if audio subsystem works by loading one sound in a subprocess
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try:
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subprocess.run(
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[sys.executable, "-c",
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f"from kivy.core.audio import SoundLoader; SoundLoader.load({audio_files[0]!r})"],
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timeout=3, capture_output=True,
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)
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except subprocess.TimeoutExpired as e:
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print(f"Warning: Audio unavailable ({e}). Sounds disabled.", file=sys.stderr)
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return
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# Audio works, preload all sounds
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for path in audio_files:
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cached_sounds[os.path.basename(path)] = SoundLoader.load(path)
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_audio_available = True
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def play_sound(file, volume=1, cache=True):
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if not _audio_available:
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return
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# the following import causes the creation of an SDL2 window, and if there
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# is no sound device, it deadlocks. We delay the import until we know audio
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# is available
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from kivymd.app import MDApp
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app = MDApp.get_running_app()
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if app and app.gui and app.gui.config("timer/sound"):
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sound = cached_sounds.get(file)
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if sound is not None:
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sound.volume = volume
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sound.play()
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sound.seek(0)
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def stop_sound(file):
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sound = cached_sounds.get(file)
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if sound:
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sound.stop()
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