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rhvoice.py
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rhvoice.py
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#!/usr/bin/env python3
import queue
import shutil
import subprocess
import threading
import wave
from ctypes import string_at
if __name__ == '__main__':
import rhvoice_proxy
else:
from rhvoice_proxy import rhvoice_proxy
class FakeFile(queue.Queue):
def __init__(self):
super().__init__()
self._pos = 0
self._seeking = False
self._open = True
def seek(self, pos, *_):
# Игнорируем попытки wave пропатчить хидер.
self._seeking = pos != self._pos
def tell(self, *_):
return self._pos
def write(self, data):
writen = len(data)
if writen and not self._seeking:
self.put_nowait(data)
self._pos += writen
return writen
def read(self, *_):
if not self._open:
return b''
data = self.get()
if not data:
self._open = False
return data
def end(self):
if self._open:
self.put_nowait(b'')
def close(self):
pass
def flush(self):
pass
def _cmd_init():
base_cmd = {
'mp3': [['lame', '-htv', '--silent', '-', '-'], 'lame', 'lame'],
'opus': [['opusenc', '--quiet', '--discard-comments', '--ignorelength', '-', '-'], 'opusenc', 'opus-tools']
}
cmd = {}
for key, val in base_cmd.items():
if shutil.which(val[1]):
cmd[key] = val[0]
else:
print('Disable {} support - {} not found. Use apt install {}'.format(key, val[1], val[2]))
return cmd
class TTS(threading.Thread):
BUFF_SIZE = 1024
SAMPLE_SIZE = 2
def __init__(self, lib_path=None, data_path=None, resources=None):
super().__init__()
self._CMD = _cmd_init()
self._wait = threading.Event()
self._lock = threading.Event()
self._lock.set()
self._queue = queue.Queue()
self._sample_rate = 24000
self._format = 'wav'
rhvoice_proxy.load_tts_library(lib_path)
api = rhvoice_proxy.__version__
ver = rhvoice_proxy.get_rhvoice_version()
if api != ver:
print('Warning! API version ({}) different of library version ({})'.format(api, ver))
self._engine = rhvoice_proxy.get_engine(self._speech_callback, self._sr_callback, resources, data_path)
self._popen = None
self._file = None
self._wave = None
self._work = True
self._processing = False
self.start()
def _popen_open(self):
self._popen_close()
self._popen = subprocess.Popen(
self._CMD.get(self._format),
stderr=subprocess.PIPE,
stdout=subprocess.PIPE,
stdin=subprocess.PIPE
)
def _file_open(self):
self._file_close()
self._file = FakeFile()
def _wave_open(self):
self._wave_close()
self._file_open()
self._wave = wave.Wave_write(self._file)
self._wave.setnchannels(1)
self._wave.setsampwidth(self.SAMPLE_SIZE)
self._wave.setframerate(self._sample_rate)
def _wave_close(self):
if self._wave:
self._wave.close()
self._wave = None
self._file_close()
self._popen_close()
def _file_close(self):
if self._file:
self._file.close()
self._file = None
def _popen_close(self):
if self._popen:
self._popen.kill()
self._popen = None
def join(self, timeout=None):
self._work = False
self._queue.put_nowait(None)
super().join(timeout)
def _speech_callback(self, samples, count, *_):
if not self._wave:
self._wave_open()
# TODO: Посчитать хидер самостоятельно и выкинуть wave
# noinspection PyProtectedMember
self._wave._write_header(0xFFFFFFF) # Задаем 'бесконечную' длинну файла
self._wave.writeframesraw(string_at(samples, count * self.SAMPLE_SIZE))
if self._format in self._CMD:
self._popen_open()
self._in_out()
self._wait.set()
else:
self._wave.writeframesraw(string_at(samples, count * self.SAMPLE_SIZE))
if self._popen:
self._in_out()
return self._work
def _in_out(self):
data = self._file.read()
if data:
self._popen.stdin.write(data)
return True
return False
def _sr_callback(self, rate, *_):
self._sample_rate = rate
return True
def say(self, text, voice='anna', format_='mp3', buff=1024):
if format_ != 'wav' and format_ not in self._CMD:
raise RuntimeError('Unsupported format: {}'.format(format_))
self._lock.wait(3600)
self._lock.clear()
self._queue.put_nowait([text, voice, format_])
self._wait.wait(3600)
self._wait.clear()
for chunk in self._iter_me(buff):
yield chunk
self._wave_close()
self._lock.set()
def to_file(self, filename, text, voice='anna', format_='mp3'):
with open(filename, 'wb') as fp:
for chunk in self.say(text, voice, format_):
fp.write(chunk)
def _iter_me(self, buff):
while True:
if self._popen:
chunk = self._popen.stdout.read(buff)
else:
chunk = self._file.read()
if not chunk:
if self._processing:
continue
else:
break
yield chunk
def _generate(self, text, voice, format_):
self._format = format_
synth_params = rhvoice_proxy.get_synth_params(voice)
self._processing = True
rhvoice_proxy.speak_generate(text, synth_params, self._engine)
if self._wave:
self._wave.close()
self._wave = None
self._file.end()
if self._popen:
while self._in_out():
pass
self._popen.stdin.close()
try:
self._popen.wait(5)
except subprocess.TimeoutExpired:
pass
self._processing = False
def run(self):
while True:
data = self._queue.get()
if data is None:
break
self._generate(*data)
def main():
import time
names = ['mp3.mp3', 'opus.ogg', 'wav.wav']
text = 'Я умею сохранять свой голос в {}'
voice = 'anna'
w_time = time.time()
tts = TTS()
print('Init time: {}'.format(time.time() - w_time))
print()
for name in names:
format_ = name.split('.', 1)[0]
w_time = time.time()
tts.to_file(name, text.format(format_), voice, format_)
w_time = time.time() - w_time
print('File {} created in {} sec.'.format(name, w_time))
if __name__ == '__main__':
main()