最終更新:2021-07-15 (木) 01:45:27 (1023d)  

PyAudio.get_host_api_info_by_index
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get_host_api_info_by_index(host_api_index)

  • Return a dictionary containing the Host API parameters for the host API specified by the host_api_index.
  • The keys of the dictionary mirror the data fields of PortAudio’s PaHostApiInfo? structure.

例

  • host_api_index=0 
    {'defaultInputDevice': 14,
 'defaultOutputDevice': 14,
 'deviceCount': 15,
 'index': 0,
 'name': 'ALSA',
 'structVersion': 1,
 'type': 8}
  • host_api_index=1 
    {'defaultInputDevice': -1,
 'defaultOutputDevice': -1,
 'deviceCount': 0,
 'index': 1,
 'name': 'OSS',
 'structVersion': 1,
 'type': 7}
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