96 lines
2.3 KiB
Python
96 lines
2.3 KiB
Python
from __future__ import absolute_import
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from collections import OrderedDict
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from libloader.com import load_com
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from .base import Output, OutputError
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import pywintypes
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import logging
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log = logging.getLogger(__name__)
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SVSFDefault = 0
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SVSFlagsAsync = 1
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SVSFPurgeBeforeSpeak = 2
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SVSFIsFilename = 4
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SVSFIsXML = 8
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SVSFIsNotXML = 16
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SVSFPersistXML = 32
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class SAPI5(Output):
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has_volume = True
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has_rate = True
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has_pitch = True
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min_pitch = -10
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max_pitch = 10
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min_rate = -10
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max_rate = 10
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min_volume = 0
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max_volume = 100
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name = "sapi5"
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priority = 101
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system_output = True
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def __init__(self):
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try:
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self.object = load_com("SAPI.SPVoice")
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self._voices = self._available_voices()
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except pywintypes.com_error:
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raise OutputError
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self._pitch = 0
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def _available_voices(self):
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_voices = OrderedDict()
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for v in self.object.GetVoices():
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_voices[v.GetDescription()] = v
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return _voices
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def list_voices(self):
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return list(self._voices.keys())
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def get_voice(self):
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return self.object.Voice.GetDescription()
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def set_voice(self, value):
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log.debug("Setting SAPI5 voice to \"%s\"" % value)
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self.object.Voice = self._voices[value]
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# For some reason SAPI5 does not reset audio after changing the voice
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# By setting the audio device after changing voices seems to fix this
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# This was noted from information at:
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# http://lists.nvaccess.org/pipermail/nvda-dev/2011-November/022464.html
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self.object.AudioOutput = self.object.AudioOutput
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def get_pitch(self):
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return self._pitch
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def set_pitch(self, value):
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log.debug("Setting pitch to %d" % value)
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self._pitch = value
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def get_rate(self):
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return self.object.Rate
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def set_rate(self, value):
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log.debug("Setting rate to %d" % value)
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self.object.Rate = value
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def get_volume(self):
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return self.object.Volume
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def set_volume(self, value):
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self.object.Volume = value
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def speak(self, text, interrupt=False):
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if interrupt:
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self.silence()
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# We need to do the pitch in XML here
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textOutput = "<pitch absmiddle=\"%d\">%s</pitch>" % (round(self._pitch), text.replace("<", "<"))
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self.object.Speak(textOutput, SVSFlagsAsync | SVSFIsXML)
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def silence(self):
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self.object.Speak("", SVSFlagsAsync | SVSFPurgeBeforeSpeak)
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def is_active(self):
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if self.object:
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return True
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return False
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output_class = SAPI5
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