Linux Voice Activated Macro
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import time
import threading
import os
import shutil
from os import path
import subprocess
import shlex
import signal
# I've tried a couple of libs that are capable of playing mp3:
# pysound - offers no way to stop sounds. can't play files with whitespace in path
# pygame - has problems with certain mp3 files from voice packs
# mpg123 - does not offer volume control. need to be threaded as it's a system binary
# ffplay - need to be threaded as it's a system binary. i picked this one as it uses ffmpeg which
# is an excellent tool and should be installed on any system already
# I needed some process stuff to be able to stop an already playing sound (kill ffplay subprocess)
class SoundFiles():
def __init__(self):
print("SoundFiles: init")
self.m_sounds = {}
self.thread_play = False
self.volume = 100
def scanSoundFiles(self):
print("SoundFiles: scanning")
if not path.exists('./voicepacks'):
print("No folder 'voicepacks' found. Please create one and copy all your voicepacks in there.")
for root, dirs, files in os.walk("./voicepacks"):
for file in files:
if file.endswith(".mp3"):
# we expect a path like this:
path_parts = root.split('/')
if len(path_parts) < 4:
if not path_parts[2] in self.m_sounds:
self.m_sounds[path_parts[2]] = {}
category = path_parts[3]
# there might be subfolders, so we have more than just 4 split results...
# for the ease of my mind, we concat the voicepack subfolders to 1 category name
# like voicepacks/hcspack/Characters/Astra/blah.mp3 will become:
# voicepack = hcspack
# category = Characters/Astra
# file = blah.mp4
if len(path_parts) > 4:
for i in range(4, len(path_parts)):
category = category + '/' + path_parts[i]
if not category in self.m_sounds[path_parts[2]]:
self.m_sounds[path_parts[2]][category] = []
def play(self, sound_file):
if not os.path.isfile(sound_file):
print("ERROR - Sound file not found: ", sound_file)
# construct shell command. use shlex to split it up into valid args for Popen.
cmd = "ffplay -nodisp -autoexit -loglevel quiet -volume " + str(self.volume) + " \"" + sound_file + "\"";
args = shlex.split(cmd)
self.thread_play = subprocess.Popen(args)
def stop(self):
if not self.thread_play == False:
# that aint no nice, but it's the only way i got the subprocess reliably killed.
# self.thread_play.terminate() or kill() should do the trick, but it won't
os.kill(, signal.SIGKILL)
except OSError:
def setVolume(self, volume):
self.volume = volume;