Round 4: [was Re: Report: Pulse Audio vs Jack on Fedora 11]

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After my little issue with the kernel oops I decided to make sure my 
system was fully upto date. I ran yum update and got a new kernel as 
part of the update.

1: pulseaudio -k
2: pulseaudio -D
3: Notice that the gnome volume icon is displaying as muted.
4: Adjust the volume setting and unmute check box but icon doesn't 
change and the slider is still set to mute when I check it.
5: Open gnome-volume-control (Sound Preferences)
6: Set output volume to not mute, raise volume level to full. Gnome 
volume icon still showing mute. Oh well.
3: Test a song with totem. Success. Audio plays fine.

Next phase:
1: Pause Totem. Verify that the audio stream disappears from the 
Applications tab in (Sound Preferences) panel
2: pulseaudio -k
3: qjackctl
4: press start and jackd starts playing
5: Restart pulse audio with the following command

     pulseaudio -D -n -F ~/jackd.pa   (* see below for script)

6: Pulse i/o's show up in qjackctl connections panel
7: System load is stable at < 10%
8: Check already running "Sound Preferences" ui to see if the jack i/o's 
show up. Nothing.
9: Restart "Sound Preferences". Notice that pulse output has disappeared 
from qjackctl connections. Input is still working. Can also see the jack 
source in the input tab in "Sound Preferences".
10: Restart "Sound Preferences". Pulse input disappears from qjackctl 
input connections.
11: pulseaudio -k
12: pulseaudio -D -nF ~/jackd.pa
13: Pulse Audio input reappears in qjackctl input connections panel. No 
output. jack-source shows in the "Sound Preferences" input panel. No 
jack-sink in the output panel.
14: Volume icon still muted...



Winner: Jack.

High points to Pulse for trying to interface. Unstable results. Possibly 
due to bugs in gnome-volume-control or the pulse audio jack modules.

Linux version 2.6.29.6-217.2.3.fc11.x86_64
jack - 0.116.1
pulse audio - 0.9.15
Qt: 4.5.2
QjackCtl: 0.3.4
gnome-volume-control 2.26.0


Ding. Time out for Round 5. Next round let's update Pulse Audio to the 
latest dev version.




(*) ~/jackd.pa

Basically a copy of /etc/pulse/default.pa but with module-jack-sink and 
module-jack-source defined

=========================================

#!/usr/bin/pulseaudio -nF
#
# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

# This startup script is used only if PulseAudio is started per-user
# (i.e. not in system mode)

.nofail

### Load something into the sample cache
#load-sample-lazy x11-bell /usr/share/sounds/gtk-events/activate.wav
#load-sample-lazy pulse-hotplug /usr/share/sounds/startup3.wav
#load-sample-lazy pulse-coldplug /usr/share/sounds/startup3.wav
#load-sample-lazy pulse-access /usr/share/sounds/generic.wav

.fail

### Automatically restore the volume of streams and devices
load-module module-device-restore
load-module module-stream-restore

### Load audio drivers statically (it's probably better to not load
### these drivers manually, but instead use module-hal-detect --
### see below -- for doing this automatically)
#load-module module-alsa-sink
#load-module module-alsa-source device=hw:1,0
#load-module module-oss device="/dev/dsp" sink_name=output source_name=input
#load-module module-oss-mmap device="/dev/dsp" sink_name=output 
source_name=input
#load-module module-null-sink
#load-module module-pipe-sink
load-module module-jack-sink
load-module module-jack-source

### Automatically load driver modules depending on the hardware available
.ifexists module-hal-detect.so
load-module module-hal-detect
.else
### Alternatively use the static hardware detection module (for systems that
### lack HAL support)
load-module module-detect
.endif

### Automatically load driver modules for Bluetooth hardware
#.ifexists module-bluetooth-discover.so
#load-module module-bluetooth-discover
#.endif

### Load several protocols
.ifexists module-esound-protocol-unix.so
load-module module-esound-protocol-unix
.endif
load-module module-native-protocol-unix

### Network access (may be configured with paprefs, so leave this commented
### here if you plan to use paprefs)
#load-module module-esound-protocol-tcp
#load-module module-native-protocol-tcp
#load-module module-zeroconf-publish

### Load the RTP reciever module (also configured via paprefs, see above)
#load-module module-rtp-recv

### Load the RTP sender module (also configured via paprefs, see above)
#load-module module-null-sink sink_name=rtp format=s16be channels=2 
rate=44100 description="RTP Multicast Sink"
#load-module module-rtp-send source=rtp.monitor

### Automatically restore the default sink/source when changed by the 
user during runtime
load-module module-default-device-restore

### Automatically move streams to the default sink if the sink they are
### connected to dies, similar for sources
load-module module-rescue-streams

### Make sure we always have a sink around, even if it is a null sink.
load-module module-always-sink

### Automatically suspend sinks/sources that become idle for too long
load-module module-suspend-on-idle

### If autoexit on idle is enabled we want to make sure we only quit
### when no local session needs us anymore.
load-module module-console-kit

### Enable positioned event sounds
load-module module-position-event-sounds

### Load additional modules from GConf settings. This can be configured 
with the paprefs tool.
### Please keep in mind that the modules configured by paprefs might 
conflict with manually
### loaded modules.
.ifexists module-gconf.so
.nofail
load-module module-gconf
.fail
.endif

# X11 modules should not be started from default.pa so that one daemon
# can be shared by multiple sessions.

### Load X11 bell module
#load-module module-x11-bell sample=bell-windowing-system

### Register ourselves in the X11 session manager
#load-module module-x11-xsmp

### Publish connection data in the X11 root window
#.ifexists module-x11-publish.so
#.nofail
#load-module module-x11-publish
#.fail
#.endif

### Make some devices default
#set-default-sink output
#set-default-source input

=========================================



Patrick Shirkey
Boost Hardware Ltd


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