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Re: [Discuss-gnuradio] error using audio.source() (alsa)
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] error using audio.source() (alsa) |
Date: |
Tue, 1 Feb 2005 15:02:57 -0800 |
User-agent: |
Mutt/1.5.6i |
On Tue, Feb 01, 2005 at 04:41:28PM -0600, Meenal wrote:
> Hi all,
> I am trying to read I/Q signals from audio line-in. I am using
> audio.source for this purpose. I get the following error. I am using alsa.
> --------------------------------------------------------------------------------------------------------------------------
> address@hidden python fmrx.py
> audio: using audio_alsa
> audio_alsa_source[hw:0,0]: set_periods failed: Invalid argument
> Traceback (most recent call last):
> File "fmrx.py", line 105, in ?
> main ()
> File "fmrx.py", line 99, in main
> fg = build_graph ()
> File "fmrx.py", line 22, in build_graph
> src = audio.source(input_rate)
> File "/usr/local/lib/python2.3/site-packages/gnuradio/audio_alsa.py",
> line 210, in source
> return _audio_alsa.source(*args)
> RuntimeError: std::runtime_error
>
> Any ideas?
>
> Many thanks,
> Meenal
What's the value of input_rate?
Eric