On 03/23/12 18:38, stan wrote:
On Fri, 23 Mar 2012 18:05:26 -0700
don fisher<hdf3@xxxxxxxxxxx> wrote:
I am trying to find documentation on the alsa/pulse audio system. My
goal is to set it up independent of gnome or KDE.
This is the default configuration for Fedora out of the box.
If I run KDE the sound works. If I run twm or equivalent, it does
not. Why is the sound configuration buried in the window manager?
It isn't. Go to a console, Ctl-LeftAlt-F2, and type aplay<some wav>.
You should hear sound. Gnome and KDE provide an extra layer of
abstraction on top of pulseaudio, but that shouldn't affect your
ability to use sound outside of them. If you have a standard install,
LeftAlt-F1 should get you back to the gui. If not, try LeftAlt-F7. I
use mplayer to play music through pulse at consoles all the time.
Audacious should do the same in any window manager (it's worked in
every wm I've tried).
What do I have to do to implement the same function that KDE provides?
Do you have alsa-plugins-pulseaudio installed? It sets up the system
so that things that are sent to alsa are routed through pulseaudio, and
is the default on Fedora. If it is, and sound doesn't work, adding your
user to the audio group should work. Note that pulse only allows a
single user to have sound at any time unless it is run as a daemon
(last I checked).
aplay another_brick_in_the_wall_part_2.wav
Playing WAVE 'another_brick_in_the_wall_part_2.wav' : Signed 16 bit
Little Endian, Rate 44100 Hz, Stereo
but no sound:-(
I looked online and found a few things as shown below
udevadm info -qall -p /sys/class/sound/card0/
P: /devices/pci0000:00/0000:00:14.2/sound/card0
E: UDEV_LOG=3
E: DEVPATH=/devices/pci0000:00/0000:00:14.2/sound/card0
E: SUBSYSTEM=sound
E: ID_PATH=pci-0000:00:14.2
E: ID_PATH_TAG=pci-0000_00_14_2
E: ID_FOR_SEAT=sound-pci-0000_00_14_2
E: SOUND_INITIALIZED=1
E: ID_VENDOR_FROM_DATABASE=ATI Technologies Inc
E: ID_MODEL_FROM_DATABASE=SBx00 Azalia (Intel HDA)
E: ID_BUS=pci
E: ID_VENDOR_ID=0x1002
E: ID_MODEL_ID=0x4383
E: SOUND_FORM_FACTOR=internal
E: SYSTEMD_WANTS=sound.target
E: TAGS=:seat:systemd:
pacmd list-cards
Welcome to PulseAudio! Use "help" for usage information.
>>> 0 card(s) available.
pactl stat
Currently in use: 1 blocks containing 63.9 KiB bytes total.
Allocated during whole lifetime: 8015 blocks containing 28.3 MiB bytes
total.
Sample cache size: 0 B
User name: dfisher
Host Name: dfpc47
Server Name: pulseaudio
Server Version: 0.9.23
Default Sample Specification: s16le 2ch 44100Hz
Default Channel Map: front-left,front-right
Default Sink: auto_null
Default Source: auto_null.monitor
pactl list provides a huge amount of output, but I noticed that "Sink
#0" is the "Dummy Output".
The audoo card shows up under udev, but pacmd list-cards says that no
cards are available. Any ideas? Again, KDE can output sound, so the is
something (many things:-) that I am missing.
Thanks,
Don
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