Facebot

Eurico made a mouth animation, which could react to the text appearing in the chatroom. Fembot

import sys, os

while True:

   i = sys.stdin.readline() 
   if i == "":
       break
   i = i.rstrip()
   parts = i.split (" ", 2)
   msg = parts[2]
   #print msg
   os.system('espeak  "{0}" -w padded.wav'.format(msg))
   os.system('sox padded.wav -b 8 -e unsigned-integer -c 1 -r 4000 -t raw rawfile')

   #print "complete"

   framerate = 10 ; slice=4000/framerate
   dat = open("rawfile").read()
   frames = []

   for i in range(0,len(dat),slice):
       samples = map(lambda x:ord(x)-128,
                     dat[i:i+slice])
       frames.append(max(samples))

   pics = ["mouth-closed.png",
           "mouthopen-1.png",
           "mouthopen-2.png"]
   max_mouthOpen = len(pics)-1

   step = int(max(frames)/(max_mouthOpen*2))
   for i in range(len(frames)):
       mouth=min(int(frames[i]/step),max_mouthOpen)
       if i:
           if mouth>frames[i-1]+1:
               mouth=frames[i-1]+1
           elif mouth < frames[i-1]-1:
               mouth=frames[i-1]-1
       else: mouth=0
       frames[i] = mouth
       os.system("ln -s %s frame%09d.png" %
                 (pics[mouth],i))

   os.system(("mencoder 'mf://frame0*.png' " +
             "-audiofile padded.wav -mf type=png " +
             "-mf fps=%d -oac mp3lame -ovc lavc " +
             "-o animation.mp4 && rm frame0*.png")
             % framerate)

   #clean up files
   os.system("rm padded.wav rawfile")
   #open player and play animation
   os.system("omxplayer animation.mp4")
   os.system("fim mouth-closed.png")

print "end script"