89 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
import config
from collections import OrderedDict
from libloader.com import load_com
from base import Output, OutputError
import pywintypes
import logging
log = logging.getLogger(__name__)
class SAPI5(Output):
has_volume = True
has_rate = True
has_pitch = True
min_pitch = -10
max_pitch = 10
min_rate = -10
max_rate = 10
min_volume = 0
max_volume = 100
name = "sapi5"
priority = 101
def __init__(self):
if config.main["general"]["voice_enabled"] == False: raise OutputError
try:
self.object = load_com("SAPI.SPVoice")
self._voices = self._available_voices()
except pywintypes.com_error:
raise OutputError
self._pitch = 0
def _available_voices(self):
_voices = OrderedDict()
for v in self.object.GetVoices():
_voices[v.GetDescription()] = v
return _voices
def list_voices(self):
return self.available_voices.keys()
def get_voice(self):
return self.object.Voice.GetDescription()
def set_voice(self, value):
log.debug("Setting SAPI5 voice to \"%s\"" % value)
self.object.Voice = self.available_voices[value]
# For some reason SAPI5 does not reset audio after changing the voice
# By setting the audio device after changing voices seems to fix this
# This was noted from information at:
# http://lists.nvaccess.org/pipermail/nvda-dev/2011-November/022464.html
self.object.AudioOutput = self.object.AudioOutput
def get_pitch(self):
return self._pitch
def set_pitch(self, value):
log.debug("Setting pitch to %d" % value)
self._pitch = value
def get_rate(self):
return self.object.Rate
def set_rate(self, value):
log.debug("Setting rate to %d" % value)
self.object.Rate = value
def get_volume(self):
return self.object.Volume
def set_volume(self, value):
self.object.Volume = value
def speak(self, text, interrupt=False):
if interrupt:
self.silence()
# We need to do the pitch in XML here
textOutput = "<pitch absmiddle=\"%d\">%s</pitch>" % (round(self._pitch), text.replace("<", "&lt;"))
self.object.Speak(textOutput, 1|8)
def silence(self):
self.object.Speak("", 3)
def is_active(self):
if self.object:
return True
return False
output_class = SAPI5