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[Discuss-gnuradio] Multiple Inputs/Outputs using Jack and Gnuradio/GRC?

From: Rob Frohne
Subject: [Discuss-gnuradio] Multiple Inputs/Outputs using Jack and Gnuradio/GRC?
Date: Fri, 11 Dec 2009 10:51:34 -0800
User-agent: Thunderbird (X11/20090817)

Hi Everyone,

I need four inputs and four outputs from Jack for my tests, but it seems that only one works. Here is the message I get:

audio: using audio_jack
Traceback (most recent call last):
 File "/home/frohro/.gnuradio/top_block.py", line 61, in <module>
   tb = top_block()
 File "/home/frohro/.gnuradio/top_block.py", line 51, in __init__
   self.connect((self.audio_source_0, 1), (self.audio_sink_0, 1))
File "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/top_block.py", line 124, in connect
   self._connect(points[i-1], points[i])
File "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/top_block.py", line 130, in _connect
   dst_block.basic_block(), dst_port)
File "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_swig_py_runtime.py", line 1443, in connect
   return _gnuradio_swig_py_runtime.gr_top_block_sptr_connect(*args)
ValueError: port number 1 exceeds max of 0

Does anyone have any advice?



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