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Pyaudio Error

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Dec 2nd, 2019
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  1. Please talk
  2. ALSA lib confmisc.c:767:(parse_card) cannot find card '0'
  3. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
  4. ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
  5. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  6. ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
  7. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  8. ALSA lib conf.c:5007:(snd_config_expand) Evaluate error: No such file or directory
  9. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM sysdefault
  10. ALSA lib confmisc.c:767:(parse_card) cannot find card '0'
  11. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
  12. ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
  13. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  14. ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
  15. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  16. ALSA lib conf.c:5007:(snd_config_expand) Evaluate error: No such file or directory
  17. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM sysdefault
  18. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
  19. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
  20. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
  21. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
  22. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround21
  23. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround21
  24. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround40
  25. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround41
  26. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround50
  27. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround51
  28. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71
  29. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
  30. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
  31. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
  32. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
  33. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
  34. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
  35. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
  36. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
  37. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
  38. ALSA lib confmisc.c:767:(parse_card) cannot find card '0'
  39. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
  40. ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
  41. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  42. ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
  43. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  44. ALSA lib conf.c:5007:(snd_config_expand) Evaluate error: No such file or directory
  45. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM default
  46. ALSA lib confmisc.c:767:(parse_card) cannot find card '0'
  47. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
  48. ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
  49. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  50. ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
  51. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  52. ALSA lib conf.c:5007:(snd_config_expand) Evaluate error: No such file or directory
  53. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM default
  54. ALSA lib confmisc.c:767:(parse_card) cannot find card '0'
  55. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
  56. ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
  57. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  58. ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
  59. ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  60. ALSA lib conf.c:5007:(snd_config_expand) Evaluate error: No such file or directory
  61. ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM dmix
  62. [2019-12-02 16:58:32,903] ERROR in app: Exception on /start_record [POST]
  63. Traceback (most recent call last):
  64. File "/home/ian/app/env/lib/python3.6/site-packages/flask/app.py", line 2292, in wsgi_app
  65. response = self.full_dispatch_request()
  66. File "/home/ian/app/env/lib/python3.6/site-packages/flask/app.py", line 1815, in full_dispatch_request
  67. rv = self.handle_user_exception(e)
  68. File "/home/ian/app/env/lib/python3.6/site-packages/flask/app.py", line 1718, in handle_user_exception
  69. reraise(exc_type, exc_value, tb)
  70. File "/home/ian/app/env/lib/python3.6/site-packages/flask/_compat.py", line 35, in reraise
  71. raise value
  72. File "/home/ian/app/env/lib/python3.6/site-packages/flask/app.py", line 1813, in full_dispatch_request
  73. rv = self.dispatch_request()
  74. File "/home/ian/app/env/lib/python3.6/site-packages/flask/app.py", line 1799, in dispatch_request
  75. return self.view_functions[rule.endpoint](**req.view_args)
  76. File "/home/ian/app/env/lib/python3.6/site-packages/flask_login/utils.py", line 261, in decorated_view
  77. return func(*args, **kwargs)
  78. File "./app.py", line 183, in start_record
  79. result = predict_mood()
  80. File "./audio/test.py", line 141, in predict_mood
  81. record_to_file(filename)
  82. File "./audio/test.py", line 124, in record_to_file
  83. sample_width, data = record()
  84. File "./audio/test.py", line 88, in record
  85. stream = p.open(format=FORMAT, channels=1, rate=RATE, input=True, output=True, frames_per_buffer=CHUNK_SIZE)
  86. File "/home/ian/app/env/lib/python3.6/site-packages/pyaudio.py", line 750, in open
  87. stream = Stream(self, *args, **kwargs)
  88. File "/home/ian/app/env/lib/python3.6/site-packages/pyaudio.py", line 441, in __init__
  89. self._stream = pa.open(**arguments)
  90. OSError: [Errno -9996] Invalid output device (no default output device)
  91. [pid: 2114|app: 0|req: 7/25] 127.0.0.1 () {52 vars in 1571 bytes} [Mon Dec 2 16:58:32 2019] POST /start_record => generated 290 bytes in 69 msecs (HTTP/1.1 500) 2 headers in 84 bytes (2 switches on core 1)
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