RuntimeError: Invalid device info! on Windows-AMD64/Anaconda/Python 2.7
Closed this issue · 3 comments
liujimj commented
I'm running into issues when initializing streams, e.g.:
RuntimeError Traceback (most recent call last)
<ipython-input-21-66b8c9adeb22> in <module>()
11
12 blocksize = 16
---> 13 s = Stream(samplerate=fs, blocksize=blocksize)
14 s.start()
15 s.write(wave)
C:\Users\liuji\Anaconda3\envs\nsgt-play3\lib\site-packages\pysoundcard.pyc in __init__(self, sample_rate, block_length, input_device, output_device, callback, finished_callback, **flags)
353 """
354 if input_device is True:
--> 355 input_device = default_input_device()
356 if output_device is True:
357 output_device = default_output_device()
C:\Users\liuji\Anaconda3\envs\nsgt-play3\lib\site-packages\pysoundcard.pyc in default_input_device()
267 """Returns data about the default audio input device."""
268 idx = _pa.Pa_GetDefaultInputDevice()
--> 269 return _dev2dict(_pa.Pa_GetDeviceInfo(idx), idx)
270
271
C:\Users\liuji\Anaconda3\envs\nsgt-play3\lib\site-packages\pysoundcard.pyc in _dev2dict(dev, index)
224 def _dev2dict(dev, index):
225 if dev == ffi.NULL:
--> 226 raise RuntimeError("Invalid device info!")
227 if 'DirectSound' in list(apis())[dev.hostApi]['name']:
228 enc = 'mbcs'
RuntimeError: Invalid device info!
I installed the latest binary installer (after running wheel convert) on an Anaconda installation. Is this a known issue, or are there any things I can do to help debug?
bastibe commented
It seems that Portaudio reports an invalid default device. You will have to manually specify the device ID you want to use.
bastibe commented
Does this issue go away if you manually select a device ID?