Added script to stop PulseAudio, this uses and keeps busy the ALSA playback and capture devices causing troubles.

Added termination of PulseAudio during the demo.

README.md

@@ -82,6 +82,7 @@ To run a simple demo use the [run\_demo.sh](run_demo.sh) script. See [script not
 The demo performs the following operations:
 
 * setup system parameters
+* stop pulse audio, this uses and keeps busy the ALSA playback and capture devices causing troubles
 * install the ALSA RAVENNA/AES67 module
 * start the ptp4l as master clock on the network loopback device
 * start the AES67 daemon and creates a source and a sink according to the status file in the demo directory

daemon/scripts/disable_pulseaudio.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+echo autospawn = no > $HOME/.config/pulse/client.conf
+pulseaudio --kill
+rm $HOME/.config/pulse/client.conf
+
+systemctl --user stop pulseaudio.socket > /dev/null 2>&1
+systemctl --user stop pulseaudio.sservice > /dev/null 2>&1
+
+

run_demo.sh

@@ -41,9 +41,15 @@ trap cleanup EXIT
 
 #configure system parms
 sudo sysctl -w net/ipv4/igmp_max_memberships=64
+
 #stop pulseaudio, this seems to open/close ALSA continuosly
+echo autospawn = no > $HOME/.config/pulse/client.conf
+pulseaudio --kill >/dev/null 2>&1
+rm $HOME/.config/pulse/client.conf
+#disable pulseaudio
 systemctl --user stop pulseaudio.socket > /dev/null 2>&1
 systemctl --user stop pulseaudio.sservice > /dev/null 2>&1
+
 #install kernel module
 sudo insmod 3rdparty/ravenna-alsa-lkm/driver/MergingRavennaALSA.ko