Guido van Rossum | 4507ec7 | 2003-02-14 19:29:22 +0000 | [diff] [blame] | 1 | from test import test_support |
| 2 | test_support.requires('audio') |
| 3 | |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 4 | from test.test_support import verbose, findfile, TestFailed, TestSkipped |
| 5 | |
| 6 | import errno |
| 7 | import fcntl |
| 8 | import ossaudiodev |
| 9 | import os |
| 10 | import sys |
| 11 | import select |
| 12 | import sunaudio |
| 13 | import time |
| 14 | import audioop |
| 15 | |
| 16 | SND_FORMAT_MULAW_8 = 1 |
| 17 | |
Greg Ward | 55a8790 | 2002-12-10 16:27:35 +0000 | [diff] [blame] | 18 | def read_sound_file(path): |
Fred Drake | 7511bd9 | 2003-01-08 07:09:43 +0000 | [diff] [blame] | 19 | fp = open(path, 'rb') |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 20 | size, enc, rate, nchannels, extra = sunaudio.gethdr(fp) |
| 21 | data = fp.read() |
| 22 | fp.close() |
| 23 | |
| 24 | if enc != SND_FORMAT_MULAW_8: |
| 25 | print "Expect .au file with 8-bit mu-law samples" |
| 26 | return |
| 27 | |
Greg Ward | 55a8790 | 2002-12-10 16:27:35 +0000 | [diff] [blame] | 28 | # Convert the data to 16-bit signed. |
| 29 | data = audioop.ulaw2lin(data, 2) |
| 30 | return (data, rate, 16, nchannels) |
| 31 | |
| 32 | |
| 33 | def play_sound_file(data, rate, ssize, nchannels): |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 34 | try: |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 35 | dsp = ossaudiodev.open('w') |
Fred Drake | 7511bd9 | 2003-01-08 07:09:43 +0000 | [diff] [blame] | 36 | except IOError, msg: |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 37 | if msg[0] in (errno.EACCES, errno.ENODEV, errno.EBUSY): |
| 38 | raise TestSkipped, msg |
| 39 | raise TestFailed, msg |
| 40 | |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 41 | # set the data format |
| 42 | if sys.byteorder == 'little': |
| 43 | fmt = ossaudiodev.AFMT_S16_LE |
| 44 | else: |
| 45 | fmt = ossaudiodev.AFMT_S16_BE |
| 46 | |
| 47 | # at least check that these methods can be invoked |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 48 | dsp.bufsize() |
| 49 | dsp.obufcount() |
| 50 | dsp.obuffree() |
| 51 | dsp.getptr() |
| 52 | dsp.fileno() |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 53 | |
| 54 | # set parameters based on .au file headers |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 55 | dsp.setparameters(fmt, nchannels, rate) |
| 56 | dsp.write(data) |
| 57 | dsp.flush() |
| 58 | dsp.close() |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 59 | |
| 60 | def test_errors(): |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 61 | dsp = ossaudiodev.open("w") |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 62 | fmt = ossaudiodev.AFMT_U8 |
| 63 | rate = 8000 |
| 64 | nchannels = 1 |
| 65 | try: |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 66 | dsp.setparameters(fmt, nchannels, -1) |
| 67 | except ossaudiodev.error, msg: |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 68 | print msg |
| 69 | try: |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 70 | dsp.setparameters(fmt, nchannels, rate) |
| 71 | except ossaudiodev.error, msg: |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 72 | print msg |
| 73 | try: |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 74 | dsp.setparameters(fmt, 3, rate) |
| 75 | except ossaudiodev.error, msg: |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 76 | print msg |
| 77 | try: |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 78 | dsp.setparameters(177, nchannels, rate) |
| 79 | except ossaudiodev.error, msg: |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 80 | print msg |
| 81 | try: |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 82 | dsp.setparameters(ossaudiodev.AFMT_U16_LE, nchannels, rate) |
| 83 | except ossaudiodev.error, msg: |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 84 | print msg |
| 85 | try: |
Greg Ward | 080c110 | 2003-05-29 00:23:17 +0000 | [diff] [blame^] | 86 | dsp.setparameters(rate, nchannels, fmt) |
| 87 | except ossaudiodev.error, msg: |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 88 | print msg |
| 89 | |
| 90 | def test(): |
Greg Ward | 55a8790 | 2002-12-10 16:27:35 +0000 | [diff] [blame] | 91 | (data, rate, ssize, nchannels) = read_sound_file(findfile('audiotest.au')) |
| 92 | play_sound_file(data, rate, ssize, nchannels) |
Greg Ward | 36dacfa | 2002-12-10 16:24:21 +0000 | [diff] [blame] | 93 | test_errors() |
| 94 | |
| 95 | test() |