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# Speak.activity
# A simple front end to the espeak text-to-speech engine on the XO laptop
# http://wiki.laptop.org/go/Speak
#
# Copyright (C) 2008 Joshua Minor
# This file is part of Speak.activity
#
# Parts of Speak.activity are based on code from Measure.activity
# Copyright (C) 2007 Arjun Sarwal - arjun@laptop.org
#
# Speak.activity 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.
#
# Speak.activity 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 Speak.activity. If not, see <http://www.gnu.org/licenses/>.
import sys
import os
from urllib import (quote, unquote)
import subprocess
import random
from sugar.activity import activity
from sugar.datastore import datastore
from sugar.presence import presenceservice
import logging
import gtk
import gobject
import pango
from gettext import gettext as _
# try:
# sys.path.append('/usr/lib/python2.4/site-packages') # for speechd
# import speechd.client
# except:
# print "Speech-dispatcher not found."
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics.toolcombobox import ToolComboBox
from sugar.graphics.combobox import ComboBox
import pygst
pygst.require("0.10")
import gst
import audio
import eye
import glasses
import mouth
import voice
import fft_mouth
import waveform_mouth
PITCH_MAX = 100
RATE_MAX = 100
class View(gtk.VBox):
def __init__(self):
gtk.VBox.__init__(self, homogeneous=False)
#self.voice = random.choice(self.voices.values())
self.voice = voice.defaultVoice()
self.pitch = PITCH_MAX/2
self.rate = RATE_MAX/2
self._audio = audio.AudioGrab()
self._synth = None
# try:
# self._synth = speechd.client.SSIPClient("Speak.activity")
# try:
# # Try some speechd v0.6.6 features
# print "Output modules:", self._synth.list_output_modules()
# print "Voices:", self._synth.list_synthesis_voices()
# except:
# pass
# except:
# self._synth = None
# print "Falling back to espeak command line tool."
# make an empty box for some eyes
self._eyes = None
self._eyebox = gtk.HBox()
self._eyebox.show()
# make an empty box to put the mouth in
self._mouth = None
self._mouthbox = gtk.HBox()
self._mouthbox.show()
# layout the screen
self.pack_start(self._eyebox, expand=False)
self.pack_start(self._mouthbox)
def look_ahead(self):
map(lambda e: e.look_ahead(), self._eyes)
def look_at(self, x, y):
map(lambda e, x=x, y=y: e.look_at(x,y), self._eyes)
def implant_eyes(self, klass, number):
if self._eyes:
for eye in self._eyes:
self._eyebox.remove(eye)
self._eyes = []
for i in range(int(number)):
eye = klass()
self._eyes.append(eye)
self._eyebox.pack_start(eye)
eye.set_size_request(300,300)
eye.show()
def implant_mouth(self, klass):
if self._mouth:
self._mouthbox.remove(self._mouth)
self._mouth = klass(self._audio)
self._mouth.show()
self._mouthbox.add(self._mouth)
# enable mouse move events so we can track the eyes while the mouse is over the mouth
#self._mouth.add_events(gtk.gdk.POINTER_MOTION_MASK)
def say(self, something):
if self._audio is None:
return
logging.debug('%s: %s' % (self.voice.name, something))
pitch = int(self.pitch)
rate = int(self.rate)
if self._synth is not None:
# speechd uses -100 to 100
pitch = pitch*2 - 100
# speechd uses -100 to 100
rate = rate*2 - 100
self._synth.set_rate(rate)
self._synth.set_pitch(pitch)
self._synth.set_language(self.voice.language)
self._synth.speak(something) #, callback=self._synth_cb)
else:
# espeak uses 0 to 99
pitch = pitch
# espeak uses 80 to 370
rate = 80 + (370-80) * rate / 100
logging.error(">> %d:%d" %(pitch, rate))
# ideally we would stream the audio instead of writing to disk each time...
wavpath = "/tmp/speak.wav"
subprocess.call(["espeak", "-w", wavpath, "-p", str(pitch), "-s", str(rate), "-v", self.voice.name, something], stdout=subprocess.PIPE)
self._audio.playfile(wavpath)
def quiet(self):
self._audio.stop_sound_device()
def verbose(self):
self._audio.restart_sound_device()
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