From 81c32d12cf7ef1619a518a97a93acc994cba031e Mon Sep 17 00:00:00 2001
From: Joshua Minor <j@lux.vu>
Date: Sat, 22 Dec 2007 00:23:11 +0000
Subject: Initial version of Speak.activity

---
diff --git a/Speak.activity/.DS_Store b/Speak.activity/.DS_Store
new file mode 100644
index 0000000..c8c7f65
--- /dev/null
+++ b/Speak.activity/.DS_Store
Binary files differ
diff --git a/Speak.activity/MANIFEST b/Speak.activity/MANIFEST
new file mode 100644
index 0000000..078d389
--- /dev/null
+++ b/Speak.activity/MANIFEST
@@ -0,0 +1,4 @@
+activity/activity-speak.svg
+activity/activity.info
+activity.py
+setup.py
\ No newline at end of file
diff --git a/Speak.activity/activity.py b/Speak.activity/activity.py
new file mode 100755
index 0000000..250c9a7
--- /dev/null
+++ b/Speak.activity/activity.py
@@ -0,0 +1,96 @@
+# coding: UTF8
+
+import commands, subprocess
+import random
+from sugar.activity import activity
+from sugar.datastore import datastore
+from sugar.presence import presenceservice
+import logging 
+import sys, os
+import gtk
+import gobject
+import pango
+
+import pygst
+pygst.require("0.10")
+import gst
+
+import audio
+import eye
+import mouth
+
+class SpeakActivity(activity.Activity):
+    def __init__(self, handle):
+        
+        activity.Activity.__init__(self, handle)
+        bounds = self.get_allocation()
+
+        toolbox = activity.ActivityToolbox(self)
+        self.set_toolbox(toolbox)
+        toolbox.show()
+
+        self.entry = gtk.Entry()
+        self.entry.set_editable(True)
+        self.entry.connect('activate', self.entry_activate_cb)
+        self.input_font = pango.FontDescription(str='sans bold 24')
+        self.entry.modify_font(self.input_font)
+
+        self.eyes = [eye.Eye(), eye.Eye()]
+        eyeBox = gtk.HBox()
+        eyeBox.pack_start(self.eyes[0])
+        eyeBox.pack_start(self.eyes[1])
+        map(lambda e: e.set_size_request(300,300), self.eyes)
+        
+        self.ACTIVE = True
+        self.connect( "notify::active", self._activeCb )
+        self.audio = audio.AudioGrab(datastore, self._jobject)
+        self.mouth = mouth.Mouth(self.audio)
+        self.audio.set_wave_copy(self.mouth)
+        
+        box = gtk.VBox(homogeneous=False)
+        box.pack_start(eyeBox, expand=False)
+        box.pack_start(self.mouth)
+        box.pack_start(self.entry, expand=False)
+        
+        self.set_canvas(box)
+        box.show_all()
+
+        self.entry.grab_focus()
+
+        gobject.timeout_add(100, self._timeout_cb)
+        
+        presenceService = presenceservice.get_instance()
+        xoOwner = presenceService.get_owner()
+        self.say("Hi %s, my name is Otto.  Type something." % xoOwner.props.nick)
+
+    def _timeout_cb(self):
+        self.mouth.queue_draw();
+        return True
+
+    def entry_activate_cb(self, entry):
+        text = entry.props.text
+        if text:
+            self.say(text)
+            entry.props.text = ''
+        
+    def speak(self, widget, data=None):
+        self.say(random.choice(["Let's go to Annas","Hi Opal, how are you?"]))
+    
+    def say(self, something):
+        wavpath = "/tmp/speak.wav"
+        subprocess.call(["espeak", "-w", wavpath, something])
+        #subprocess.call(["playwave", wavpath])
+        self.audio.playfile(wavpath)
+    
+    def _activeCb( self, widget, pspec ):
+        if (not self.props.active and self.ACTIVE):
+            self.audio.stop_sound_device()
+        elif (self.props.active and not self.ACTIVE):
+            self.audio.restart_sound_device()
+        self.ACTIVE = self.props.active
+
+    def on_quit(self, data=None):
+        self.audio.on_quit()    
+
+# activate gtk threads when this module loads
+gtk.gdk.threads_init()
diff --git a/Speak.activity/activity/activity-speak.svg b/Speak.activity/activity/activity-speak.svg
new file mode 100644
index 0000000..ce92ad4
--- /dev/null
+++ b/Speak.activity/activity/activity-speak.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [
+  <!ENTITY fill_color "#FFFFFF">
+  <!ENTITY stroke_color "#000000">
+]>
+<svg xmlns="http://www.w3.org/2000/svg" width="50" height="50">
+  <rect x="3" y="24" width="44" height="20"
+  style="fill:&fill_color;;stroke:&stroke_color;;stroke-width:2"/>
+  <ellipse fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5" cx="12" cy="12" rx="10" ry="10"/>
+  <ellipse fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5" cx="36" cy="12" rx="10" ry="10"/>
+  <circle fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5" cx="16" cy="10" r="2"/>
+  <circle fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5" cx="40" cy="10" r="2"/>
+</svg>
+
diff --git a/Speak.activity/activity/activity.info b/Speak.activity/activity/activity.info
new file mode 100644
index 0000000..3f7c5ee
--- /dev/null
+++ b/Speak.activity/activity/activity.info
@@ -0,0 +1,7 @@
+[Activity]
+name = Speak
+service_name = vu.lux.olpc.Speak
+class = activity.SpeakActivity
+icon = activity-speak
+activity_version = 1
+show_launcher = yes
diff --git a/Speak.activity/audio.py b/Speak.activity/audio.py
new file mode 100644
index 0000000..278f9a6
--- /dev/null
+++ b/Speak.activity/audio.py
@@ -0,0 +1,147 @@
+import pygst
+pygst.require("0.10")
+import gst
+import pygtk
+import gtk, gobject
+import signal, os
+
+import time
+
+import dbus
+
+import audioop
+
+from struct import *
+
+
+
+class AudioGrab(gobject.GObject):
+    __gsignals__ = {
+        'new-buffer': (gobject.SIGNAL_RUN_FIRST, None, [gobject.TYPE_PYOBJECT, gobject.TYPE_BOOLEAN, gobject.TYPE_PYOBJECT])
+    }
+
+    def __init__(self, datastore, _jobject):
+        gobject.GObject.__init__(self)
+        
+        self.wave_copy= None
+        self.electrical_ui_copy= None
+
+        self.datastore = datastore
+        self._jobject = _jobject
+        
+        self.pipeline = None
+        self.fakesink = None
+
+        self.logging_status = False
+        self.count1 = 48000/9600
+        self.final_count = 0
+
+        self.count_temp = 0
+        self.entry_count = 0
+        
+        self.draw_graph_status = False
+        self.f = None
+        
+        self.temp_buffer = []
+        self.snapshot_buffer = []
+
+    def playfile(self, filename):
+        p = 'filesrc name=file-source ! decodebin ! tee name=tee tee.! audioconvert ! alsasink tee.! queue ! audioconvert name=conv'
+        self.pipeline = gst.parse_launch(p)
+        
+        self.fakesink = gst.element_factory_make("fakesink", "fakesink")
+        self.fakesink.connect("handoff",self.on_buffer)
+        self.fakesink.set_property("signal-handoffs",True)
+        self.pipeline.add(self.fakesink)
+
+        conv = self.pipeline.get_by_name("conv")
+        gst.element_link_many(conv, self.fakesink)
+        
+        self.pipeline.get_by_name("file-source").set_property('location', filename)
+        self.pipeline.set_state(gst.STATE_PLAYING)
+        
+    def disable_handoff_signal(self):
+        self.fakesink.set_property("signal-handoffs",False)
+    
+    def enable_handoff_signal(self):
+        self.fakesink.set_property("signal-handoffs",True)
+    
+    def on_quit(self):
+        self.fakesink.set_property("signal-handoffs",False)     
+        self.pipeline.set_state(gst.STATE_NULL)
+
+    def _new_buffer(self, buf):
+        # on the main thread
+
+        if(self.logging_status == True):
+            
+            if(self.final_count==777700):   #777700 is a special value for indicating 'Snapshot'
+                #buffer_temp = unpack( str(int(len(self.temp_buffer))/2)+'h' , self.temp_buffer)                
+                for val in self.snapshot_buffer:                
+                    self.f.write(str(val)+'\n') #Write the latest buffer
+                self.f.write("stop")                
+                self.f.close()
+                self.datastore.write(self._jobject)
+                self.logging_status=False
+            
+            else:
+                self.count_temp+=1
+    
+                if(self.count_temp==self.final_count):
+                    self.count_temp=0
+                    write_buffer = unpack( str(int(len(buf))/2)+'h' , buf)
+                    self.f.write(str(write_buffer[int(len(buf)/4.0)])+'\n') #Writing the middle value of the buffer available at each logging time
+                    self.entry_count+=1
+                
+                        
+        self.emit("new-buffer", buf, self.draw_graph_status, self.f)
+        return False
+
+
+    def on_buffer(self,element,buffer,pad):     
+        # could be in a different thread
+        #print len(str(buffer)) 
+        gobject.timeout_add(30, self._new_buffer, str(buffer))      
+        #gobject.idle_add(self._new_buffer, str(buffer))
+        return True
+
+
+    def set_logging_status(self, status, f, multiplier):
+        self.logging_status = status
+
+        if(status==True):
+            self.f = f
+            self.final_count = (multiplier*(48000/960)*2)
+            self.count_temp=0
+            self.entry_count=0      
+                    
+        if(status==False):
+            self.f.write("stop")            
+            self.f.close()
+            self.datastore.write(self._jobject)
+            self.logging_status=False
+
+    
+    def start_drawing_graph(self, status, f):
+        self.draw_graph_status = status
+        if(self.draw_graph_status==True):       
+            self.f = f
+        return
+
+    def snapshot(self):
+        self.snapshot_buffer = self.wave_copy.buffers
+        return
+
+    def set_wave_copy(self, wave):
+        self.wave_copy = wave       
+        return
+
+    def set_reference_electrical(self,electrical_ui):
+        self.electrical_ui_copy=electrical_ui
+
+    def stop_sound_device(self):
+        self.pipeline.set_state(gst.STATE_NULL)
+
+    def restart_sound_device(self):
+        self.pipeline.set_state(gst.STATE_PLAYING)
+
diff --git a/Speak.activity/eye.py b/Speak.activity/eye.py
new file mode 100644
index 0000000..824289c
--- /dev/null
+++ b/Speak.activity/eye.py
@@ -0,0 +1,80 @@
+#! /usr/bin/python
+
+import pygtk
+import gtk
+import gtk.gdk
+import gobject
+import cairo
+import math
+
+class Eye(gtk.DrawingArea):
+    def __init__(self):
+        gtk.DrawingArea.__init__(self)
+        self.connect("expose_event",self.expose)
+        self.frame = 0
+        # instead of listening for mouse move events we poll to see if the mouse has moved
+        # this is so we can react to the mouse even when it isn't directly over this widget
+        gobject.timeout_add(100, self._timeout_cb)
+        self.mousePosition = self.get_mouse()
+
+    def _timeout_cb(self):
+        # only redraw if the mouse has moved
+        newPosition = self.get_mouse()
+        if newPosition != self.mousePosition:
+            self.queue_draw()
+            self.mousePosition = newPosition
+        return True
+
+    def get_mouse(self):
+        display = gtk.gdk.display_get_default()
+        screen, mouseX, mouseY, modifiers = display.get_pointer()
+        return mouseX, mouseY
+
+    def expose(self, widget, event):
+        self.frame += 1
+        bounds = self.get_allocation()
+        
+        mouseX, mouseY = self.mousePosition
+        
+        eyeSize = min(bounds.width, bounds.height)
+        outlineWidth = eyeSize/20.0
+        pupilSize = eyeSize/10.0
+        pupilX = max(min(mouseX - bounds.x, bounds.width), 0)
+        pupilY = max(min(mouseY - bounds.y, bounds.height), 0)
+        dX = pupilX - bounds.width/2.
+        dY = pupilY - bounds.height/2.
+        distance = math.sqrt(dX*dX + dY*dY)
+        limit = eyeSize/2 - outlineWidth*2 - pupilSize
+        if distance > limit:
+            pupilX = bounds.width/2 + dX*limit/distance
+            pupilY = bounds.height/2 + dY*limit/distance
+
+        self.context = widget.window.cairo_create()
+        #self.context.set_antialias(cairo.ANTIALIAS_NONE)
+
+        #set a clip region for the expose event. This reduces redrawing work (and time)
+        self.context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height)
+        self.context.clip()
+
+        # background
+        self.context.set_source_rgb(.5,.5,.5)
+        self.context.rectangle(0,0,bounds.width,bounds.height)
+        self.context.fill()
+
+        # eye ball
+        self.context.arc(bounds.width/2,bounds.height/2, eyeSize/2-outlineWidth/2, 0,360)
+        self.context.set_source_rgb(1,1,1)
+        self.context.fill()
+
+        # outline
+        self.context.set_line_width(outlineWidth)
+        self.context.arc(bounds.width/2,bounds.height/2, eyeSize/2-outlineWidth/2, 0,360)
+        self.context.set_source_rgb(0,0,0)
+        self.context.stroke()
+
+        # pupil
+        self.context.arc(pupilX,pupilY,pupilSize,0,360)
+        self.context.set_source_rgb(0,0,0)
+        self.context.fill()
+
+        return True
diff --git a/Speak.activity/mouth.py b/Speak.activity/mouth.py
new file mode 100644
index 0000000..94d156d
--- /dev/null
+++ b/Speak.activity/mouth.py
@@ -0,0 +1,172 @@
+#! /usr/bin/python
+
+import pygst
+pygst.require("0.10")
+import pygtk
+import gtk
+import cairo
+import gobject
+from time import *
+from struct import *
+import pango
+import os
+import audioop
+from Numeric import *
+from FFT import *
+
+class Mouth(gtk.DrawingArea):
+    def __init__(self, audioSource):
+        
+        gtk.DrawingArea.__init__(self)
+        self.connect("expose_event",self.expose)
+        self.buffers = []
+        self.str_buffer=''
+        self.integer_buffer=[]  
+
+        audioSource.connect("new-buffer", self._new_buffer)
+
+        self.peaks = []
+        self.main_buffers = []      
+    
+        self.y_mag = 0.7
+        self.freq_range=70
+        self.draw_interval = 1
+        self.num_of_points = 105
+        
+        self.details_show = False
+        self.logging_status=False
+        self.f=None
+
+        self.stop=False
+
+        self.fft_show = False
+        self.fftx = []
+
+        self.y_mag_bias_multiplier = 1  #constant to multiply with self.param2 while scaling values 
+        
+        self.scaleX = "10"
+        self.scaleY = "10"
+
+            
+    def _new_buffer(self, obj, buf, status, f):
+        self.str_buffer = buf
+        self.integer_buffer = list(unpack( str(int(len(buf))/2)+'h' , buf))     
+        if(len(self.main_buffers)>6301):
+            del self.main_buffers[0:(len(self.main_buffers)-6301)]
+        self.main_buffers += self.integer_buffer
+        self.logging_status=status
+        self.f=f
+        return True
+
+
+    def processBuffer(self, bounds):
+        self.param1 = bounds.height/65536.0
+        self.param2 = bounds.height/2.0 
+
+        if(self.stop==False):       
+            
+            if(self.fft_show==False):               
+                
+                ######################filtering####################
+                weights = [1,2,3,4,3,2,1] 
+                weights_sum = 16.0
+                
+                for i in range(3,len(self.integer_buffer)-3):
+                    self.integer_buffer[i] = (self.integer_buffer[(i-3)]+2*self.integer_buffer[(i-2)] + 3*self.integer_buffer[(i-1)] + 4*self.integer_buffer[(i)]+3*self.integer_buffer[(i+1)] + 2*self.integer_buffer[(i+2)]  + self.integer_buffer[(i+3)]) / weights_sum                  
+                ###################################################
+            
+                self.y_mag_bias_multiplier=1                    
+                self.draw_interval=10                   
+                
+                #100hz
+                if(self.freq_range==30):
+                    self.spacing = 60
+                    self.num_of_points=6300
+                        
+                #1khz
+                if(self.freq_range==50):
+                    self.spacing = 6
+                    self.num_of_points=630
+                        
+                #4khz
+                if(self.freq_range==70):
+                    self.spacing = 1
+                    self.num_of_points = 105
+                
+                self.scaleX = str(self.spacing*.104) + " msec"  #.104 = 5/48; 5 points per division and 48 khz sampling             
+                
+                if(len(self.main_buffers)>=self.num_of_points):
+                    del self.main_buffers[0:len(self.main_buffers)-(self.num_of_points+1)]
+                    self.buffers=[]
+                    i=0
+                    while i<self.num_of_points:
+                        self.buffers.append(self.main_buffers[i])                       
+                        i+=self.spacing
+            
+                self.scaleY=" "
+            
+            else:
+                ###############fft################      
+                Fs = 48000
+                nfft= 65536
+                self.integer_buffer=self.integer_buffer[0:256]
+                self.fftx = fft(self.integer_buffer, 256,-1)
+                
+                self.fftx=self.fftx[0:self.freq_range*2]
+                self.draw_interval=bounds.width/(self.freq_range*2)
+                
+                NumUniquePts = ceil((nfft+1)/2)
+                self.buffers=abs(self.fftx)*0.02
+                self.y_mag_bias_multiplier=0.1
+                self.scaleX = "hz"
+                self.scaleY = ""
+                ##################################
+                    
+        if(len(self.buffers)==0):
+            return False
+        
+        ###############Scaling the values################       
+        val = []
+        for i in self.buffers:
+            temp_val_float = float(self.param1*i*self.y_mag) + self.y_mag_bias_multiplier * self.param2
+            
+            if(temp_val_float >= bounds.height):
+                temp_val_float = bounds.height-25
+            if(temp_val_float <= 0):
+                temp_val_float = 25
+            val.append( temp_val_float )
+        
+        self.peaks = val
+        #################################################
+            
+    def expose(self, widget, event):
+        """This function is the "expose" event handler and does all the drawing."""
+        
+        bounds = self.get_allocation()
+        
+        self.processBuffer(bounds)
+        
+        #Create context, disable antialiasing
+        self.context = widget.window.cairo_create()
+        self.context.set_antialias(cairo.ANTIALIAS_NONE)
+
+        #set a clip region for the expose event. This reduces redrawing work (and time)
+        self.context.rectangle(event.area.x, event.area.y,event.area.width, event.area.height)
+        self.context.clip()
+
+
+        # background
+        self.context.set_source_rgb(.5,.5,.5)
+        self.context.rectangle(0,0, bounds.width,bounds.height)     
+        self.context.fill()
+
+        # Draw the waveform
+        self.context.set_line_width(10.0)        
+        count = 0
+        for peak in self.peaks:
+            self.context.line_to(count,bounds.height - peak)
+            count += self.draw_interval
+        self.context.set_source_rgb(0,0,0)
+        self.context.stroke()
+
+        return True
diff --git a/Speak.activity/setup.py b/Speak.activity/setup.py
new file mode 100755
index 0000000..d200a8a
--- /dev/null
+++ b/Speak.activity/setup.py
@@ -0,0 +1,5 @@
+#!/usr/bin/env python
+# coding: UTF8
+from sugar.activity import bundlebuilder
+bundlebuilder.start()
+
diff --git a/build b/build
new file mode 100755
index 0000000..dd0c031
--- /dev/null
+++ b/build
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+zip -r dist/speak.xo Speak.activity && scp dist/speak.xo luxvu@lux.vu:public_html/olpc/
diff --git a/dist/speak.xo b/dist/speak.xo
new file mode 100644
index 0000000..65b0dfd
--- /dev/null
+++ b/dist/speak.xo
Binary files differ
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