Update of /cvsroot/python/python/dist/src/Lib/test
In directory slayer.i.sourceforge.net:/tmp/cvs-serv5835
Modified Files:
test_linuxaudiodev.py
Log Message:
It seems our sound cards can't play mulaw data. Use native-format
16-bit signed data instead. Hope this works for you; it works for me.
Index: test_linuxaudiodev.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_linuxaudiodev.py,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -r1.5 -r1.6
*** test_linuxaudiodev.py 2000/10/06 19:39:55 1.5
--- test_linuxaudiodev.py 2000/10/08 00:20:20 1.6
***************
*** 5,11 ****
--- 5,13 ----
import linuxaudiodev
import os
+ import sys
import select
import sunaudio
import time
+ import audioop
SND_FORMAT_MULAW_8 = 1
***************
*** 28,31 ****
--- 30,42 ----
raise TestFailed, msg
+ # convert the data to 16-bit signed
+ data = audioop.ulaw2lin(data, 2)
+
+ # set the data format
+ if sys.byteorder == 'little':
+ fmt = linuxaudiodev.AFMT_S16_LE
+ else:
+ fmt = linuxaudiodev.AFMT_S16_BE
+
# at least check that these methods can be invoked
a.bufsize()
***************
*** 36,40 ****
# set parameters based on .au file headers
! a.setparameters(rate, 8, nchannels, linuxaudiodev.AFMT_MU_LAW, 1)
a.write(data)
a.flush()
--- 47,51 ----
# set parameters based on .au file headers
! a.setparameters(rate, 16, nchannels, fmt)
a.write(data)
a.flush()
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