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# Copyright (C) 2009 Aleksey S. Lim
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gi
gi.require_version('Gst', '1.0')
from gi.repository import Gst
Gst.init(None)
import speech
def _message_cb(bus, message, pipe):
if message.type in (Gst.MessageType.EOS, Gst.MessageType.ERROR):
pipe.set_state(Gst.State.NULL)
if pipe is play_speaker[1]:
speech.reset_cb()
elif message.type == Gst.MessageType.ELEMENT and \
message.get_structure().get_name() == 'espeak-mark':
mark = message.get_structure().get_value('mark')
speech.highlight_cb(int(mark))
def _create_pipe():
pipe = Gst.Pipeline()
source = Gst.ElementFactory.make('espeak', 'source')
pipe.add(source)
sink = Gst.ElementFactory.make('autoaudiosink', 'sink')
pipe.add(sink)
source.link(sink)
bus = pipe.get_bus()
bus.add_signal_watch()
bus.connect('message', _message_cb, pipe)
return (source, pipe)
def _speech(speaker, words):
speaker[0].props.pitch = speech.pitch
speaker[0].props.rate = speech.rate
speaker[0].props.voice = speech.voice[1]
speaker[0].props.text = words;
speaker[1].set_state(Gst.State.NULL)
speaker[1].set_state(Gst.State.PLAYING)
info_speaker = _create_pipe()
play_speaker = _create_pipe()
play_speaker[0].props.track = 2
def voices():
return info_speaker[0].props.voices
def say(words):
_speech(info_speaker, words)
def play(words):
_speech(play_speaker, words)
def is_stopped():
for i in play_speaker[1].get_state(Gst.CLOCK_TIME_NONE):
if isinstance(i, Gst.State) and i == Gst.State.NULL:
return True
return False
def stop():
play_speaker[1].set_state(Gst.State.NULL)
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