Demo/sgi/al/playback.py

   1 # Read mono 16bit samples from stdin and write them to the audio device.
   2 # Assume the sampling rate is compatible.
   3 # Use a small queue size to minimize delays.
   4
   5 import al, sys
   6 import AL
   7
   8 BUFSIZE = 2000
   9 QSIZE = 4000
  10
  11 def main():
  12         c = al.newconfig()
  13         c.setchannels(AL.MONO)
  14         c.setqueuesize(QSIZE)
  15         p = al.openport('', 'w', c)
  16         while 1:
  17                 data = sys.stdin.read(BUFSIZE)
  18                 p.writesamps(data)
  19
  20 try:
  21         main()
  22 except KeyboardInterrupt:
  23         sys.exit(1)