vorbisfile-python/test_float.py

   1 import struct
   2 import ossaudiodev
   3 from vorbisfile import *
   4
   5 adev = ossaudiodev.open('w')
   6 adev.setfmt(ossaudiodev.AFMT_S16_BE)
   7 adev.channels(2)
   8 adev.speed(44100)
   9
  10 vf = VorbisFile()
  11 vf.open('/home/jack/test.ogg')
  12
  13
  14 data, cs = vf.read(8192, format=FORMAT_FLOAT)
  15 while len(data) > 0:
  16     buffer = ''
  17     for j in range(len(data[0])):
  18         l = int(data[0][j]*32768)
  19         r = int(data[1][j]*32768)
  20         if l > 32767: l = 32767
  21         if r > 32767: r = 32767
  22         if l < -32768: l = -32768
  23         if r < -32768: r = -32768
  24         buffer += struct.pack("hh", l, r)
  25
  26     adev.write(buffer)
  27     data, cs = vf.read(8192, format=FORMAT_FLOAT)