Use espeak command when gst-plugins-espeak is not installed(Joshua Minor)

4 files changed, 75 insertions, 13 deletions

diff --git a/Speak.activity/audio.py b/Speak.activity/audio.py
index b667b4b..b7febdf 100644
--- a/Speak.activity/audio.py
+++ b/Speak.activity/audio.py
@@ -23,6 +23,7 @@
 
 # This code is a stripped down version of the audio grabber from Measure
 
+import subprocess
 import pygst
 pygst.require("0.10")
 import gst
@@ -45,7 +46,17 @@ class AudioGrab(gobject.GObject):
         gobject.GObject.__init__(self)
         self.pipeline = None
 
-    def playfile(self, status, text):
+    def speak(self, status, text):
+        try:
+            self._speak(status, text)
+        except:
+            # espeak uses 80 to 370
+            rate = 80 + (370-80) * int(status.rate) / 100
+            wavpath = "/tmp/speak.wav"
+            subprocess.call(["espeak", "-w", wavpath, "-p", str(status.pitch), "-s", str(rate), "-v", status.voice.name, text], stdout=subprocess.PIPE)
+            self._playfile(wavpath)
+    
+    def _speak(self, status, text):
         pitch = int(status.pitch)
         rate = int(status.rate)
         # espeak uses 80 to 370
@@ -90,6 +101,42 @@ class AudioGrab(gobject.GObject):
         # how do we detect when the sample has finished playing?
         # we should stop the sound device and stop emitting buffers
         # to save on CPU and battery usage when there is no audio playing
+        
+        
+    def _playfile(self, filename):
+        self.stop_sound_device()
+        self._quiet = False
+
+        # build a pipeline that reads the given file
+        # and sends it to both the real audio output
+        # and a fake one that we use to draw from
+        p = 'filesrc name=file-source ! decodebin ! tee name=tee tee.! audioconvert ! alsasink tee.! queue ! audioconvert name=conv'
+        self.pipeline = gst.parse_launch(p)
+
+        # make a fakesink to capture audio
+        fakesink = gst.element_factory_make("fakesink", "fakesink")
+        fakesink.connect("handoff",self.on_buffer)
+        fakesink.set_property("signal-handoffs",True)
+        self.pipeline.add(fakesink)
+
+        bus = self.pipeline.get_bus()
+        bus.add_signal_watch()
+        bus.connect('message', self._gstmessage_cb)
+
+        # attach it to the pipeline
+        conv = self.pipeline.get_by_name("conv")
+        gst.element_link_many(conv, fakesink)
+
+        # set the source file
+        self.pipeline.get_by_name("file-source").set_property('location', filename)
+
+        # play
+        self.restart_sound_device()
+
+        # how do we detect when the sample has finished playing?
+        # we should stop the sound device and stop emitting buffers
+        # to save on CPU and battery usage when there is no audio playing
+
 
     def _gstmessage_cb(self, bus, message):
         type = message.type
diff --git a/Speak.activity/chat.py b/Speak.activity/chat.py
index fca8ef8..0b132f1 100644
--- a/Speak.activity/chat.py
+++ b/Speak.activity/chat.py
@@ -160,8 +160,9 @@ class View(hippo.Canvas):
                 lang_box.props.text = status.voice.friendlyname
         if text:
             self._chat.add_text(buddy, text)
-            if not self.quiet and self.props.window \
-                    and self.props.window.is_visible():
+            if not self.quiet:
+                # and self.props.window \
+                #    and self.props.window.is_visible():
                 face.say(text)
 
     def farewell(self, buddy):
diff --git a/Speak.activity/face.py b/Speak.activity/face.py
index 0763142..2947ff1 100644
--- a/Speak.activity/face.py
+++ b/Speak.activity/face.py
@@ -47,7 +47,7 @@ class Status:
     def __init__(self):
         self.voice = voice.defaultVoice()
         self.pitch = PITCH_MAX/2
-        self.rate = RATE_MAX/2
+        self.rate = RATE_MAX/3
         self.eyes = [eye.Eye] * 2
         self.mouth = mouth.Mouth
 
@@ -163,7 +163,7 @@ class View(gtk.EventBox):
         #self._mouth.add_events(gtk.gdk.POINTER_MOTION_MASK)
 
     def say(self, something):
-        self._audio.playfile(self.status, something)
+        self._audio.speak(self.status, something)
     
     def shut_up(self):
         self._audio.stop_sound_device()
diff --git a/Speak.activity/voice.py b/Speak.activity/voice.py
index 9727fb0..256bbf0 100644
--- a/Speak.activity/voice.py
+++ b/Speak.activity/voice.py
@@ -22,6 +22,7 @@
 #     along with Speak.activity.  If not, see <http://www.gnu.org/licenses/>.
 
 
+import subprocess
 import pygst
 pygst.require("0.10")
 import gst
@@ -84,16 +85,29 @@ class Voice:
     
 def allVoices():
     if len(_allVoices) == 0:
-        for i in gst.element_factory_make('espeak').props.voices:
-            name, language = i.split(':')
-            if name in ('en-rhotic','english_rp','english_wmids'):
-                # these voices don't produce sound
-                continue
-            voice = Voice(language, name)
-            _allVoices[voice.friendlyname] = voice
-
+        try:
+            for i in gst.element_factory_make('espeak').props.voices:
+                name, language = i.split(':')
+                if name in ('en-rhotic','english_rp','english_wmids'):
+                    # these voices don't produce sound
+                    continue
+                voice = Voice(language, name)
+                _allVoices[voice.friendlyname] = voice
+        except:
+            result = subprocess.Popen(["espeak", "--voices"], stdout=subprocess.PIPE).communicate()[0]
+            for line in result.split('\n'):
+                m = re.match(r'\s*\d+\s+([\w-]+)\s+([MF])\s+([\w_-]+)\s+(.+)', line)
+                if m:
+                    language, gender, name, stuff = m.groups()
+                    if stuff.startswith('mb/') or name in ('en-rhotic','english_rp','english_wmids'):
+                        # these voices don't produce sound
+                        continue
+                    voice = Voice(language, name)
+                    _allVoices[voice.friendlyname] = voice
     return _allVoices
 
+
+
 def defaultVoice():
     """Try to figure out the default voice, from the current locale ($LANG).
        Fall back to espeak's voice called Default."""