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Activity Team/gst-plugins-espeak (view source)
Revision as of 23:33, 16 January 2010
, 23:33, 16 January 2010→Known issues: add tts example
pipe.set_state(gst.STATE_PLAYING)<br>
pipe.set_state(gst.STATE_PLAYING)<br>
gtk.main()
gtk.main()
== Simple TTS example ==
import gtk
import gst
import pango
window = gtk.Window()
window.connect('destroy',
lambda sender: gtk.main_quit())
workspace = gtk.VBox()
window.add(workspace)
# text widget
scrolled = gtk.ScrolledWindow()
workspace.pack_start(scrolled)
text = gtk.TextView()
scrolled.add(text)
buffer = text.props.buffer
buffer.props.text = file(__file__).read()
tag = buffer.create_tag()
tag.props.weight = pango.WEIGHT_BOLD
# play controls
toolbar = gtk.HBox()
workspace.pack_end(toolbar, False)
play = gtk.Button('Play/Resume')
play.connect('clicked',
lambda sender: pipe.set_state(gst.STATE_PLAYING))
toolbar.add(play)
pause = gtk.Button('Pause')
pause.connect('clicked',
lambda sender: pipe.set_state(gst.STATE_PAUSED))
toolbar.add(pause)
stop = gtk.Button('Stop')
stop.connect('clicked',
lambda sender: pipe.set_state(gst.STATE_NULL))
toolbar.add(stop)
# gst code
pipe = gst.parse_launch('espeak name=src ! autoaudiosink')
src = pipe.get_by_name('src')
src.props.text = buffer.props.text
src.props.track = 1 # track for words
def tts_cb(bus, message):
if message.structure.get_name() != 'espeak-word':
return
offset = message.structure['offset']
len = message.structure['len']
buffer.remove_tag(tag, buffer.get_start_iter(), buffer.get_end_iter())
start = buffer.get_iter_at_offset(offset)
end = buffer.get_iter_at_offset(offset + len)
buffer.apply_tag(tag, start, end)
bus = pipe.get_bus()
bus.add_signal_watch()
bus.connect('message::element', tts_cb)
# gtk start
window.show_all()
gtk.main()
== Known issues ==
== Known issues ==