This repository contains code for debugging ALSA-related issues.
After playing with the various debugging tools (hda-analyzer and hda-verb) available in the ALSA project, I wanted to have a more visual representation of how the different parts of my sound system worked.
The asound-codec-display Python script (requires NumPy, Matplotlib and
NetworkX, tested on a 4.13 kernel) can display a nice graph of how the
different widgets inside a hardware codec are interconnected.
You can run it on debugging files exposed by ALSA in the /proc/asound
directory. For example, this displays a graph of codec 0 on sound card 0
(location may vary on your machine) :
./asound-codec-display /proc/asound/card0/codec\#0
Example output :
