lib/replay.py

   1 import gtk
   2 import os
   3
   4 from numpy import float32, float64
   5
   6 from reinteract.custom_result import CustomResult
   7
   8 class PlayResult(CustomResult):
   9     def __init__(self, data):
  10         self.__data = data
  11
  12     def create_widget(self):
  13         widget = gtk.Button("Play")
  14         widget.connect('clicked', self.play)
  15
  16         return widget
  17
  18     def play(self, *args):
  19         if self.__data.dtype == float32:
  20             command = 'play -t raw -r 44100 -f -4 -L -q -'
  21         else:
  22             command = 'play -t raw -r 44100 -f -8 -L -q -'
  23
  24         f = os.popen(command, 'w')
  25         self.__data.tofile(f)
  26         f.close()
  27
  28 def play(data):
  29     if data.dtype != float32 and data.dtype != float64:
  30         raise TypeError("Data must be float32 or float64, not %s", data.dtype)
  31
  32     return PlayResult(data)