OT: soundcard Oscilloscope.

[Bryn M. Reeves]

On 08/17/2010 12:36 PM, Mick M. wrote:
>> From: Rick Stevens <ricks at nerd.com>
>> xscope is NOT xoscope.
> typo
> 
>>> I just tried to build it and there are a number of
>> references to 
>> deprecated GTK calls such as "GTK_WIDGET_VISIBLE" and
>> "GTK_WIDGET_STATE" (all deprecated since GTK V2.2). 
>> These can be
>> gotten around by running "./configure", then editing
>>
>>    
>> ~/xoscope-2.0/gtkdatabox-0.6.0.0/gtk/Makefile
>>
>> and deleting the "-DGTK_DISABLE_DEPRECATED" line in that
>> file.  Then
>> run "make" and it'll build.
>>
> 
> Yes - that is the make error that I ran into.
> When you run it you have 3 choices for input:
> File -> device->SoundCard, ProbeScope and BitScope.
> 
> Soundcard gives 'opening /dev/dsp "no such file or directory"'
> 
> /dev is totally different now, there is no /dev/dsp.
> There is a /dev/snd directory, with no obvious correlation to /dev/dsp.

Make sure you have pulseaudio-utils installed and run it with the padsp
wrapper to intercept access to the soundcard:

$ padsp /path/to/xoscope

Regards,
Bryn.