mycroft-core/mycroft/tts/mimic_tts.py

167 lines
4.8 KiB
Python

# Copyright 2016 Mycroft AI, Inc.
#
# This file is part of Mycroft Core.
#
# Mycroft Core is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Mycroft Core is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Mycroft Core. If not, see <http://www.gnu.org/licenses/>.
import subprocess
import random
import os
from os.path import join
from mycroft import MYCROFT_ROOT_PATH
from mycroft.tts import TTS, TTSValidator
from mycroft.configuration import ConfigurationManager
from mycroft.client.enclosure.api import EnclosureAPI
__author__ = 'jdorleans'
config = ConfigurationManager.get().get("tts", {})
BIN = config.get("path", join(MYCROFT_ROOT_PATH, 'mimic', 'bin', 'mimic'))
# Mapping based on Jeffers phoneme to viseme map, seen in table 1 from:
# http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.221.6377&rep=rep1&type=pdf
#
# Mycroft unit visemes based on images found at:
# http://www.web3.lu/wp-content/uploads/2014/09/visemes.jpg
# and mapping was created partially based on the "12 mouth shapes"
# visuals seen at:
# https://wolfpaulus.com/journal/software/lipsynchronization/
# with final viseme group to image mapping by Steve Penrod
class Mimic(TTS):
def __init__(self, lang, voice):
super(Mimic, self).__init__(lang, voice, MimicValidator(self))
self.args = ['-voice', self.voice]
stretch = config.get('duration_stretch', None)
if stretch:
self.args += ['--setf', 'duration_stretch=' + stretch]
def PhonemeToViseme(self, pho):
return {
# /A group
'v': '5',
'f': '5',
# /B group
'uh': '2',
'w': '2',
'uw': '2',
'er': '2',
'r': '2',
'ow': '2',
# /C group
'b': '4',
'p': '4',
'm': '4',
# /D group
'aw': '1',
# /E group
'th': '3',
'dh': '3',
# /F group
'zh': '3',
'ch': '3',
'sh': '3',
'jh': '3',
# /G group
'oy': '6',
'ao': '6',
# /Hgroup
'z': '3',
's': '3',
# /I group
'ae': '0',
'eh': '0',
'ey': '0',
'ah': '0',
'ih': '0',
'y': '0',
'iy': '0',
'aa': '0',
'ay': '0',
'ax': '0',
'hh': '0',
# /J group
'n': '3',
't': '3',
'd': '3',
'l': '3',
# /K group
'g': '3',
'ng': '3',
'k': '3',
# blank mouth
'pau': '4',
}.get(pho, '4') # 4 is default if pho not found
def execute(self, sentence, client):
enclosure = EnclosureAPI(client)
random.seed()
# blink 50% of the time before speaking (only shows up if the
# mimic TTS generation takes fairly long)
if (random.random() < 0.5):
enclosure.eyes_blink("b")
# invoke mimic, creating WAV and outputting phoneme:duration pairs
outMimic = subprocess.check_output([BIN] + self.args +
["-t", sentence, "-psdur",
"-o", "/tmp/mimic.wav"])
# split into parts
lisPairs = outMimic.split(" ")
# covert phonemes to visemes
visCodes = ''
for pair in lisPairs:
pho_dur = pair.split(":")
if len(pho_dur) != 2:
continue
visCodes += self.PhonemeToViseme(pho_dur[0]) + ":"
visCodes += pho_dur[1] + ","
# play WAV and walk thru visemes while it plays
enclosure.mouth_viseme(visCodes)
subprocess.call(['aplay', '/tmp/mimic.wav'])
# after speaking, blink 20% of the time
if (random.random() < 0.2):
enclosure.eyes_blink("b")
# delete WAV
os.remove("/tmp/mimic.wav")
class MimicValidator(TTSValidator):
def __init__(self, tts):
super(MimicValidator, self).__init__(tts)
def validate_lang(self):
# TODO
pass
def validate_connection(self):
try:
subprocess.call([BIN, '--version'])
except:
raise Exception(
'Mimic is not installed. Run install-mimic.sh to install it.')
def get_tts_class(self):
return Mimic