[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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https://bugs.freedesktop.org/show_bug.cgi?id=92754

GitLab Migration User  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|REOPENED|RESOLVED

--- Comment #21 from GitLab Migration User  ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
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You can subscribe and participate further through the new bug through this link
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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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https://bugs.freedesktop.org/show_bug.cgi?id=92754

--- Comment #20 from Raymond  ---
as your m-audio fasttrack ultra does not have any playback channel map


it is a bug of pulseaudio to allow 2.1 profile when there is no LFE/ channel
map

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/usb?qt=grep=channel+map

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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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https://bugs.freedesktop.org/show_bug.cgi?id=92754

--- Comment #19 from Stéphane  ---
Just after relaunching pulseaudio, I got this message (automatically) :

GetManagedObjects() failed: org.freedesktop.DBus.Error.NoReply: Did not receive
a reply. Possible causes include: the remote application did not send a reply,
the message bus security policy blocked the reply, the reply timeout expired,
or the network connection was broken.
E: [alsa-sink-USB Audio] lfe-filter.c: Hole in stream, cannot fast forward LFE
filter
E: [alsa-sink-USB Audio] alsa-sink.c: ALSA nous a réveillé pour écrire de
nouvelles données à partir du périphérique, mais il n'y avait en fait rien à
écrire !
E: [alsa-sink-USB Audio] alsa-sink.c: Il s'agit très probablement d'un bogue
dans le pilote ALSA « snd_usb_audio ». Veuillez rapporter ce problème aux
développeurs d'ALSA.
E: [alsa-sink-USB Audio] alsa-sink.c: Nous avons été réveillés avec POLLOUT
actif, cependant un snd_pcm_avail() ultérieur a retourné 0 ou une autre valeur
< min_avail.


Note that this output speaks about a hole in stream, cannot fast forward LFE;
and an eventual bug in snd_usb_audio.

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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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https://bugs.freedesktop.org/show_bug.cgi?id=92754

--- Comment #17 from Raymond  ---
Do your m-audio fastrack ultra have playback channel map with lfe?  

Post output of alsa-info.sh

http://git.alsa-project.org/?p=alsa-lib.git;a=blob_plain;f=test/chmap.c;hb=HEAD

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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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https://bugs.freedesktop.org/show_bug.cgi?id=92754

--- Comment #16 from Raymond  ---
http://git.alsa-project.org/?p=alsa-lib.git;a=commitdiff;h=48f1b308cc66152eb6db66742dd0d08d888cda8d;hp=5c4cd46810cef8850b037fca9e38ffd43b0bff22

2.1 is for those asus n series notebooks which use external sonic master
subwoofer,  there is no hardware low pass filter 


https://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=f3ebf6b667b155f5fe6526bd70881c79e07d7874


There is high pass filter for the front channels

https://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=a9059be749b6043d6cbc5b79652e8a4adda8994e

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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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https://bugs.freedesktop.org/show_bug.cgi?id=92754

--- Comment #14 from Raymond  ---
The ditry hack is remove LFE from surround21.conf

 ttable.0.FL 1
 ttable.1.FR 1
 ttable.2.LFE 1


and remove lfe from channel map of pulseaudio analog surround 21 mapping in
default.conf


[Mapping analog-surround-21] 
device-strings = surround21:%f 
channel-map = front-left,front-right,lfe 
paths-output = analog-output analog-output-lineout analog-output-speaker
priority = 8 
direction = output

https://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/profile-sets/default.conf

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--- Comment #15 from Stéphane  ---
Ok, thank you.

I may stay with the default 2.1 profile if it does not affect the front
speakers signal.

What does 2.1 mean exactly ? :

 1) It divides the signal and sends separately the low frequencies to the
Sub-woofer (LFE) and the medium+trebble to the front speakers ??

 2) Or maybe it sends the Low frequencies to the LFE, but send the full signal
range to the Front speakers ?

 3) Or finally, it sends Full signal on both Front Speakers and LFE ?

In the first case, I will miss the bass if I just have front speakers while
using 2.1 profile.

Both other cases should work without any modification.

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--- Comment #12 from Stéphane  ---
OMG, I just understood :) (It should be possible to delete a post, particularly
stupid one !)

So I did the change, and yes ! Now Pulseaudio give me the choice between 2.1 or
7.1.

As I don't need LFE, I would have prefer the front speacker only option
(stereo).
Is there something I can do for it as well ?

And, is it a pulseaudio bug, or alsa (in libasound2-data) ? Maybe it should be
reported.

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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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--- Comment #11 from Stéphane  ---
Where should I put thous lines ? Or is it a command to type and launch in a
Terminal ?

I tried the terminal:

mathojojo@mathojojo-pc:~$ route slave.pcm { @func refer name { @func concat
strings [ "cards." { @funccard_driver card $CARD } ".pcm.surround51." $DEV
":CARD=" $CARD ] } } 
Syntaxe: route [-nNvee] [-FC] []   Liste les tables de routage
noyau   
   route [-v] [-FC] {add|del|flush} ...  Modifie la table de routage pour
AF. 

   route {-h|--help} []  Utilisation détaillée pour l'AF
spécifié.   
   route {-V|--version}  Affiche la version/auteur et
termine.

-v, --verbosemode verbeux   
-n, --numeric ne résoud pas les noms
-e, --extend affiche d'autres/plus d'informations   
-F, --fibaffiche la base d'information des redirection
(Forwarding Information Base)  (défaut) 
-C, --cache  affiche le cache de routage au lieu de FIB 

  =Utilisez '-A ' ou '--'; défaut: inet 
  Liste les familles d'adresses possibles (supportant le routage):  
inet (DARPA Internet) inet6 (IPv6) ax25 (AMPR AX.25)
netrom (AMPR NET/ROM) ipx (Novell IPX) ddp (Appletalk DDP)  
x25 (CCITT X.25)   


I'm not sure if that was what I was supposed to do :)

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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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--- Comment #10 from Raymond  ---
type route slave.pcm { @func refer name { @func concat strings [ "cards." {
@func card_driver card $CARD } ".pcm.surround51." $DEV ":CARD=" $CARD ] } }

Do pulseaudio give you back 2.1 profile if you change surround51 to surround71
in surround21.conf?

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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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--- Comment #9 from Stéphane  ---
Thank you for trying to help me.

I don't understand what I should do. I would just like to have front speackers
(2.0) not 2.1.

I remember that the stereo profile was available some years ago (maybe 2 or 3
years ago). It's probably a regression somewhere in USB Audio drivers (at last
for my device).

If you (or someone esle) know how I can create the missing profile for my use,
it would be nice.
Even more usefull, if someone could fix it in the drivers, or in pulseaudio
(I'm still surprised that aplay -L give me a simple front output :

front:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
Front speakers
surround21:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
)

I was able to select "front:CARD=Ultra,DEV=0" in the squeezelight settings. And
that worked (But I had to suspend Pulseaudio first, as squeezelite directly
speack with ALSA).

I may not understand everything (that's even almost sure :) ) But why can I
select it for squeezelite alsa output, and it is not available and proposed by
pulseaudio ??

Thank you all.

Stephane

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[pulseaudio-tickets] [Bug 92754] Stereo Profile is missing FAST TRACK ULTRA USB Audio card

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--- Comment #2 from Stéphane  ---
Hello,
Yes I have good sound, but finally, pulseaudio don't propose every profiles
available (The most important : stereo). It's a problem when I watching a
multichannel sound movie (I only hear ambiance of movie, but not speacking).

pacmd > list-cards  give me :

index: 3
name: 
driver: 
owner module: 28
properties:
alsa.card = "2"
alsa.card_name = "Fast Track Ultra"
alsa.long_card_name = "M-Audio Fast Track Ultra at
usb-:00:12.2-5, high speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-:00:12.2-usb-0:5:1.0"
sysfs.path =
"/devices/pci:00/:00:12.2/usb3/3-5/3-5:1.0/sound/card2"
udev.id = "usb-M-Audio_Fast_Track_Ultra-00"
device.bus = "usb"
device.vendor.id = "0763"
device.vendor.name = "Midiman"
device.product.id = "2080"
device.product.name = "M-Audio RunTime DFU"
device.serial = "M-Audio_Fast_Track_Ultra"
device.string = "2"
device.description = "M-Audio RunTime DFU"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
profiles:
input:multichannel: Multicanal Entrée (priority 1, available:
unknown)
output:analog-surround-71: Analog Surround 7.1 Sortie (priority
700, available: unknown)
output:analog-surround-71+input:multichannel: Analog Surround
7.1 Sortie + Multicanal Entrée (priority 701, available: unknown)
off: Éteint (priority 0, available: unknown)
active profile: 
sinks:
   
alsa_output.usb-M-Audio_Fast_Track_Ultra-00.analog-surround-71/#2: M-Audio
RunTime DFU Analog Surround 7.1
sources:
   
alsa_output.usb-M-Audio_Fast_Track_Ultra-00.analog-surround-71.monitor/#3:
Monitor of M-Audio RunTime DFU Analog Surround 7.1
ports:
analog-output: Sortie analogique (priority 9900, latency offset
0 usec, available: unknown)
properties:




But aplay -L  give me :

sysdefault:CARD=Ultra
Fast Track Ultra, USB Audio
Default Audio Device
front:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
Front speakers
surround21:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Ultra,DEV=0
Fast Track Ultra, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers


As you can see, there is a "Front speacker" Profile, but it's not proposed by
Pulseaudio.

For me, it's a bug.

Thank you for your help.

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--- Comment #4 from Raymond  ---
Post output of

aplay -D hw:CARD=Ultra --dump-hw-params anystereo.wav

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--- Comment #7 from Raymond  ---
This mean your usb does not support stereo


https://cgit.freedesktop.org/pulseaudio/pulseaudio/log/?qt=grep=lfe-filter


Do you mean lfe-filter not work as expected when you select 7.1? 

You have to post the pulseaudio verbose log when playing stereo with lfe filter
enabled

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--- Comment #3 from Raymond  ---
This is bug of aplay -L since alsa lib/driver does not provide supported 
channel info without open pcm device.

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--- Comment #5 from Raymond  ---
seem hardcode and support 8 channels only

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/usb?id=65f04443c96dbda11b8fff21d6390e082846aa3c

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Stéphane  changed:

   What|Removed |Added

 Resolution|FIXED   |---
 Status|RESOLVED|REOPENED

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--- Comment #6 from Stéphane  ---
@Raymond

I don't understand what I'm doing, but as asked, I tried :

aplay -D hw:CARD=Ultra --dump-hw-params anystereo.wav

And the result is :

mathojojo@mathojojo-pc:/ddext/Studio$ aplay -D hw:CARD=Ultra --dump-hw-params
SL.wav   
Lecture WAVE 'SL.wav' : Signed 16 bit Little Endian, Fréquence 44100 Hz, Stéréo
HW Params of device "hw:CARD=Ultra":

ACCESS:  MMAP_INTERLEAVED RW_INTERLEAVED
FORMAT:  S24_3LE
SUBFORMAT:  STD
SAMPLE_BITS: 24
FRAME_BITS: 192
CHANNELS: 8
RATE: [44100 96000]
PERIOD_TIME: [125 495352)
PERIOD_SIZE: [6 21845]
PERIOD_BYTES: [144 524280]
PERIODS: [2 1024]
BUFFER_TIME: [125 990703)
BUFFER_SIZE: [12 43690]
BUFFER_BYTES: [288 1048560]
TICK_TIME: ALL

aplay: set_params:1233: Ce format d'échantillonage n'est pas disponible
Available formats:
- S24_3LE


Hope it can help to find the problem ?

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--- Comment #8 from Raymond  ---
Usb-audio.conf does not defined its own surround21

http://git.alsa-project.org/?p=alsa-lib.git;a=blob;f=src/conf/cards/USB-Audio.conf;hb=HEAD

The surround21 use surround51 but your card does not support 6 channels

http://git.alsa-project.org/?p=alsa-lib.git;a=blob;f=src/conf/pcm/surround21.conf;hb=HEAD

This mean you have to define your card specific 2.1 in usb-audio.conf

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Stéphane  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #1 from Stéphane  ---
The power supply of my FastTrack Ultra died 2 years ago, so I used to power my
device with USB Only. It did no difference for my use on Ubuntu (14.04, 14.10
an 15.04), but I knew that on MS Windows, some functionality would not be
available.

But since I installed Ubuntu 15.10, as I said, sound was bad, and bass were
missing.

But today I found a working 5V power supply, and tested my card again... and it
worked perfectly (perfect sound again).

So my conclusion : Something changed in the alsa drivers or kernel between
ubuntu 15.04 and ubuntu 15.10.

  
 | Powered by USB Only  | Additional 5V Power Supply  |
_|__|_|
Ubuntu 15.04 |Working   |  Working|
_|__|_|
Ubuntu 15.10 | Poor Sound/Miss Bass |  Working|
_|__|_|


So finally, no bug in pulseaudio or Alsa... just an evolution.

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