Re: [pulseaudio-discuss] [PATCH] Added support for Creative SoundBlaster Omni Surround 5.1 USB sound card. Mic and Line in inputs were not working at all.

Thu, 04 Jun 2015 08:07:37 -0700

0.098| 0.000) D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_channels(4) failed: Invalid argument
0.098| 0.000) D: [pulseaudio] alsa-mixer.c: Skipping profile output:analog-surround-40+input:analog-stereo-input - will not be able to open output:analog-surround-40 

Seem not support 4 channels playback which is different from your claim

But 41 is supported

I remember it worked once, but since 5.0 can replace 4.0 without any 
difference I've removed it now from config.

0.098|   0.000) D: [pulseaudio] alsa-mixer.c: Looking at profile 
output:analog-surround-41
(   0.098|   0.000) D: [pulseaudio] alsa-mixer.c: Checking for 
playback on Analog Surround 4.1 (analog-surround-41)
(   0.098|   0.000) D: [pulseaudio] alsa-util.c: Trying surround41:1 
with SND_PCM_NO_AUTO_FORMAT ...
(   0.098|   0.000) D: [pulseaudio] alsa-util.c: Managed to open 
surround41:1
(   0.098|   0.000) I: [pulseaudio] alsa-util.c: Disabling tsched mode 
since BATCH flag is set
(   0.098|   0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer 
size is 1213 ms
(   0.099|   0.000) D: [pulseaudio] alsa-util.c: Set buffer size first 
(to 4797 samples), period size second (to 1199 samples).
(   0.099|   0.000) I: [pulseaudio] alsa-util.c: Device surround41:1 
doesn't support 44100 Hz, changed to 48000 Hz.
(   0.099|   0.000) D: [pulseaudio] alsa-mixer.c: Profile 
output:analog-surround-41 supported.


Your capture device 1 seem support S24_3LE

0.101|   0.000) D: [pulseaudio] alsa-util.c: Managed to open hw:1,1,0

(   0.101|   0.000) I: [pulseaudio] alsa-util.c: Disabling tsched mode 
since BATCH flag is set
(   0.101|   0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer 
size is 3640 ms
(   0.101|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.101|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.102|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.102|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.102|   0.000) D: [pulseaudio] alsa-util.c: Set neither period 
nor buffer size.
(   0.103|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.103|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params 
failed: Input/output error



(   0.103|   0.000) D: [pulseaudio] alsa-util.c: Trying hw:1,1,0 
without SND_PCM_NO_AUTO_FORMAT ...

(   0.103|   0.000) D: [pulseaudio] alsa-util.c: Managed to open hw:1,1,0

(   0.103|   0.000) I: [pulseaudio] alsa-util.c: Disabling tsched mode 
since BATCH flag is set
(   0.103|   0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer 
size is 3640 ms
(   0.104|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.104|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.104|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.105|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.105|   0.000) D: [pulseaudio] alsa-util.c: Set neither period 
nor buffer size.
(   0.105|   0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c: 
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
(   0.105|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params 
failed: Input/output error


Not sure why it fail with Input/output error

Me either.

(   0.105|   0.000) D: [pulseaudio] alsa-util.c: Trying plug:hw:1,1,0 
with SND_PCM_NO_AUTO_FORMAT ...


Seem default format change to S24_3LE


0.065|   0.000) D: [pulseaudio] alsa-util.c: 
snd_pcm_hw_params_set_format(Signed 24 bit Little Endian in 3bytes) 
failed: Invalid argument
(   0.065|   0.000) D: [pulseaudio] alsa-util.c: 
snd_pcm_hw_params_set_format(Signed 24 bit Big Endian in 3bytes) 
failed: Invalid argument
(   0.065|   0.000) D: [pulseaudio] alsa-util.c: 
snd_pcm_hw_params_set_format(Float 32 bit Little Endian) failed: 
Invalid argument
(   0.065|   0.000) D: [pulseaudio] alsa-util.c: 
snd_pcm_hw_params_set_format(Float 32 bit Big Endian) failed: Invalid 
argument


pactl list sinks

Приймач даних №1
    Стан: RUNNING

    Назва: 
alsa_output.usb-Creative_Technology_Ltd_SB_Omni_Surround_5.1_000000Q6-00-S51.analog-stereo

    Опис: SB Omni Surround 5.1 Аналогове стерео
    Драйвер: module-alsa-card.c
    Частотна специфікація: s24le 2кан. 48000Гц
    Карта каналів: front-left,front-right
    Модуль-власник: 7
    Стан вимикання: no

    Гучність: front-left: 27588 /  42% / -22,55 dB,   front-right: 
27588 /  42% / -22,55 dB

            баланс 0,00
    Базова гучність: 65536 / 100% / 0,00 dB

    Джерело спостереження: 
alsa_output.usb-Creative_Technology_Ltd_SB_Omni_Surround_5.1_000000Q6-00-S51.analog-stereo.monitor

    Латентність: 108660 мкс, налаштовано 99937 мкс
    Прапорці: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
    Властивості:
        alsa.resolution_bits = "24"
        device.api = "alsa"
        device.class = "sound"
        alsa.class = "generic"
        alsa.subclass = "generic-mix"
        alsa.name = "USB Audio"
        alsa.id = "USB Audio"
        alsa.subdevice = "0"
        alsa.subdevice_name = "subdevice #0"
        alsa.device = "0"
        alsa.card = "2"
        alsa.card_name = "SB Omni Surround 5.1"

        alsa.long_card_name = "Creative Technology Ltd SB Omni Surround 
5.1 at usb-0000:00:14.0-6, full speed"

        alsa.driver_name = "snd_usb_audio"
        device.bus_path = "pci-0000:00:14.0-usb-0:6:1.0"

        sysfs.path = 
"/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6:1.0/sound/card2"
        udev.id = 
"usb-Creative_Technology_Ltd_SB_Omni_Surround_5.1_000000Q6-00-S51"

        device.bus = "usb"
        device.vendor.id = "041e"
        device.vendor.name = "Creative Technology, Ltd"
        device.product.id = "322c"
        device.product.name = "SB Omni Surround 5.1"

        device.serial = 
"Creative_Technology_Ltd_SB_Omni_Surround_5.1_000000Q6"

        device.string = "front:2"
        device.buffering.buffer_size = "28782"
        device.buffering.fragment_size = "7194"
        device.access_mode = "mmap"
        device.profile.name = "analog-stereo"
        device.profile.description = "Аналогове стерео"
        device.description = "SB Omni Surround 5.1 Аналогове стерео"
        alsa.mixer_name = "USB Mixer"
        alsa.components = "USB041e:322c"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-usb"
    Порти:
        analog-output: Аналогове відтворення (priority: 9900)
    Активний порт: analog-output
    Формати:
        pcm


How many profiles supported by omni ?

I've tried to find something already and didn't succeed. Currently in 
sound settings I can choose between Stereo, 2.1, 4.1, 5.0 and 5.1, 
Stereo on S/PDIF (surround was not supported here, however images on 
official website show that is should). There was 4.0 in past, but 
currently it is not present.
Funny thing is that even when S/PDIF chosen it still play sound through 
Front/Headphones, can't check how it will work with real S/PDIF, also 
S/PDIF volume is actually not absolute, but fraction from Analog Stereo, 
not sure how it happens, but I had the same with other USB sound card 
even without S/PDIF (Plantronics GameCom 777), it is like phantom output 
on every card and works in similar way. I can remove S/PDIF, but there 
is a chance that it may work for others.


Sincerely, Nazar Mokrynskyi
github.com/nazar-pc
Skype: nazar-pc
Diaspora: [email protected]
Tox: 
A9D95C9AA5F7A3ED75D83D0292E22ACE84BA40E912185939414475AF28FD2B2A5C8EF5261249






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