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  1. Expression 'alsa_snd_pcm_hw_params_set_period_size_near( pcm, hwParams, &alsaPeriodFrames, &dir )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 924
  2. Expression 'alsa_snd_pcm_hw_params_set_period_size_near( pcm, hwParams, &alsaPeriodFrames, &dir )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 924
  3. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.front.0:CARD=0'
  4. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  5. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  6. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM front
  7. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
  8. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
  9. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
  10. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.surround51.0:CARD=0'
  11. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  12. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  13. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM surround21
  14. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.surround51.0:CARD=0'
  15. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  16. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  17. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM surround21
  18. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.surround40.0:CARD=0'
  19. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  20. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  21. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM surround40
  22. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.surround51.0:CARD=0'
  23. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  24. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  25. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM surround41
  26. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.surround51.0:CARD=0'
  27. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  28. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  29. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM surround50
  30. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.surround51.0:CARD=0'
  31. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  32. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  33. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM surround51
  34. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.surround71.0:CARD=0'
  35. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  36. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  37. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM surround71
  38. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.iec958.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2'
  39. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  40. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  41. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM iec958
  42. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.iec958.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2'
  43. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  44. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  45. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM spdif
  46. ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.bcm2835_alsa.pcm.iec958.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2'
  47. ALSA lib conf.c:4568:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  48. ALSA lib conf.c:5047:(snd_config_expand) Evaluate error: No such file or directory
  49. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM spdif
  50. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
  51. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
  52. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
  53. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
  54. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
  55. ALSA lib pcm.c:2565:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
  56. Traceback (most recent call last):
  57. File "/usr/lib/python3.7/runpy.py", line 193, in _run_module_as_main
  58. "__main__", mod_spec)
  59. File "/usr/lib/python3.7/runpy.py", line 85, in _run_code
  60. exec(code, run_globals)
  61. File "/usr/src/ada/ada/__main__.py", line 47, in <module>
  62. main()
  63. File "/usr/local/lib/python3.7/dist-packages/click/core.py", line 764, in __call__
  64. return self.main(*args, **kwargs)
  65. File "/usr/local/lib/python3.7/dist-packages/click/core.py", line 717, in main
  66. rv = self.invoke(ctx)
  67. File "/usr/local/lib/python3.7/dist-packages/click/core.py", line 956, in invoke
  68. return ctx.invoke(self.callback, **ctx.params)
  69. File "/usr/local/lib/python3.7/dist-packages/click/core.py", line 555, in invoke
  70. return callback(*args, **kwargs)
  71. File "/usr/src/ada/ada/__main__.py", line 42, in main
  72. ada.run()
  73. File "/usr/src/ada/ada/__init__.py", line 31, in run
  74. self.microphone.start()
  75. File "/usr/src/ada/ada/microphone.py", line 49, in start
  76. frames_per_buffer=self.frame_length,
  77. File "/usr/local/lib/python3.7/dist-packages/pyaudio.py", line 750, in open
  78. stream = Stream(self, *args, **kwargs)
  79. File "/usr/local/lib/python3.7/dist-packages/pyaudio.py", line 441, in __init__
  80. self._stream = pa.open(**arguments)
  81. OSError: [Errno -9996] Invalid input device (no default output device)
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