[Alsa-user] ALSA UCM: Per-channel volume mixer controls?

2025-04-27 Thread Joshua Leivenzon
Hello all, I am attempting to write some ALSA use case configuration for a device using a TAS6424 audio amplifier. The Linux driver for this amplifier exposes a dual-channel PCM sink. There are four physical output channels - two for each input channel. Each output channel's volume can be set wit

[Alsa-user] Alsa change value to limit maximum volume

2023-10-07 Thread prts
Hi! I am trying to limit the maximum allowed volume without using any softvol (I want to control direct hardware mixer, no dmix). My card is an external usb DAC, stating: `amixer -c Balanced` Simple mixer control 'D10 Balanced',0   Capabilities: pvolume pvolume-joined pswitch pswitch-joined  

[Alsa-user] ALSA PCM DOP Mode - DAC Support

2023-03-29 Thread Leonard Bocock
I'm developing an ALSA based audio application. The DSD audio file under test is fs64 DSD format 2 channel. The file plays well under ALSA using my native DSD frame packer. It plays well using my DSD to PCM decoder and frame packer. It is not playing using my DOP frame packer. I'm reasonably c

[Alsa-user] Alsa restore not working

2023-01-31 Thread Davide Gagliardi
Dear list, I am happy to join this mailing list hoping to learn a lot about the ALSA its functionality. I am working on an old Lenovo X1 carbon with an HDA Intel hardware running Debian testing with a linux kernel 5.16.0-6-rt-amd64. I have been working with Debian for quite a while, but since my

Re: [Alsa-user] alsa plugin data flow for capture

2021-06-03 Thread Alan Corey
This gives me what I expect, I don't know about the fancy stuff. I can call it from a cron job and get auto-named files every half hour, at 44100 sample rate. #!/bin/bash # record 15 seconds under 30 minutes # get the date for the file name adate=`date +"%Y-%m-%d_%H-%M"` /usr/bin/ar

[Alsa-user] alsa plugin data flow for capture

2021-06-03 Thread yvonne_cyh
Hi All Could any one tell me how does the data flow like for arecord with alsa plugin? I found the description on alsa document, with a plugin definition in asound.conf pcm.myplugdev {     type plug     slave {          pcm default          rate 48000     } } the data flow for aplay ??aplay -D

Re: [Alsa-user] [alsa-user] Error: Unable to install hw params

2021-03-22 Thread Alan Corey
0-3 are playback and 4-6 are capture devices. That seems odd. They don't normally mix I think. You have play devices 0-3 and record devices 0-2.They're separate lists. So device 6 is invalid. On Mon, Mar 22, 2021, 10:34 AM Alan Corey wrote: > The way I do it is to start with a line that wor

Re: [Alsa-user] [alsa-user] Error: Unable to install hw params

2021-03-22 Thread Alan Corey
The way I do it is to start with a line that works and change one thing at a time. Do a quick test and if it still works go on to the next change otherwise undo. 6 devices means 0-5. On Mon, Mar 22, 2021, 9:39 AM Vijay Rakesh Munganda < vijayrakeshmunga...@gmail.com> wrote: > Hi Alan, > > Thank

Re: [Alsa-user] [alsa-user] Error: Unable to install hw params

2021-03-22 Thread Vijay Rakesh Munganda
Hi Alan, Thanks for the reply. I’m working on an embedded board which has 6 devices where 0-3 are playback and 4-6 are capture devices. Playback works fine but not recording. Whatever format I use I get an error saying as `unable to hw params` I tried plughw which also didn’t worked. I’m not su

Re: [Alsa-user] [alsa-user] Error: Unable to install hw params

2021-03-22 Thread Alan Corey
This works for me arecord -D hw:0,0 -d 5 -f S16_LE -r 48000 -c 2 test.wav Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo root@pbp:/tmp/snd# ^C Do you really have 6 devices on card 0? And I don't know that I've ever seen a 32 bit wav file, 8 is often enough. Need t

Re: [Alsa-user] [alsa-user] Error: Unable to install hw params

2021-03-21 Thread Vijay Rakesh Munganda
t;> >> Use plughw:0,x instead of hw:0,x to get automatic sample format conversion. >> >> Or tell arecord to use a sample rate/format that your hardware supports. >> >> >> Regards, >> Clemens >> >> >>

Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-02-05 Thread Fernando Carello
Is there any other test I could perform to understand what's going on? Thanks Fernando > > > The keyboard seem to send raw midi messages in a stream, but Alsa does > > > not translate them in Sequencer events. > > > > Strange. This should happen automatically, especially if the sequencer > > dev

Re: [Alsa-user] [alsa-user] Error: Unable to install hw params

2021-02-01 Thread Vijay Rakesh Munganda
,x to get automatic sample format conversion. > > Or tell arecord to use a sample rate/format that your hardware supports. > > > Regards, > Clemens > > > ___ > Alsa-user mailing list > Alsa-user@l

Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-01-31 Thread Fernando Carello
> > The keyboard seem to send raw midi messages in a stream, but Alsa does > > not translate them in Sequencer events. > > Strange. This should happen automatically, especially if the sequencer > device (port 20) is there. > > Does the count in /proc/asound/card1/midi0 increase while aseqdump > is

Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-01-31 Thread Clemens Ladisch via Alsa-user
Fernando Carello wrote: > So, I've seen that a working MIDI keyboard "creates" this device: > > /dev/snd/-midiC0D0 > > while my problematic MIDI keyboard has instead: > > /dev/snd/-midiC1D0 "C1" means "card 1"; this is because card 0 is already occupied by another device. > The keyboard seem to

Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-01-31 Thread Robert M. Riches Jr.
D 19 > > 90 3F 0C > > > > Thanks a lot! > > > > Now, how should I configure ALSA in order for my softsynth > > (ZynAddSubFx) to "see" this keyboard? > > > > > Do other USB MIDI devices (or USB devices) work? > > > > Yes, other MIDI USB

Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-01-31 Thread Fernando Carello
Sorry, wrong clue. The problem is more subtle. The keyboard seem to send raw midi messages in a stream, but Alsa does not translate them in Sequencer events. The softsynth expects Seq midi events (Note On / Note Off and such): it cannot manage raw MIDI messages directly. So the question becomes:

Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-01-31 Thread Fernando Carello
So, I've seen that a working MIDI keyboard "creates" this device: /dev/snd/-midiC0D0 while my problematic MIDI keyboard has instead: /dev/snd/-midiC1D0 see that "C1"? This has to do with "amidi --dump" requiring "--port hw:1" instead of the usual "--port hw:0" Now: How can I configure ALSA (.a

Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-01-30 Thread Fernando Carello
> > No events with asqedump: :-( > > Try with "amidi --dump --port hw:1". This works! amidi --dump --port hw:1 90 42 17 80 42 00 90 3D 19 90 3F 0C Thanks a lot! Now, how should I configure ALSA in order for my softsynth (ZynAddSubFx) to "see" this keyboard? > Do other USB MIDI devices (or US

Re: [Alsa-user] [alsa-user] Error: Unable to install hw params

2021-01-30 Thread Clemens Ladisch via Alsa-user
Vijay Rakesh Munganda wrote: > I had tried to record a sample audio using arecord, “arecord hw:0,6 -d 10 > test.wav” but I got an error as unable to install hw params. Use plughw:0,x instead of hw:0,x to get automatic sample format conversion. Or tell arecord to use a sample rate/format that you

Re: [Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-01-30 Thread Clemens Ladisch via Alsa-user
Fernando Carello wrote: > Problem: when I connect my MIDI USB keyboard (GarageKey), it is > correctly detected, but I don't receive MIDI messages from it. > > No events with asqedump: :-( Try with "amidi --dump --port hw:1". Do other USB MIDI devices (or USB devices) work? > In fact, ALSA "sees

[Alsa-user] ALSA MIDI on Raspberry PI: no events from input device (USB keyboard)

2021-01-30 Thread Fernando Carello
Hello everyone, new user. I'm having, for the first time (longtime ALSA user), a problem with my headless setup. Board: Raspberry PI 4B OS: Raspberry OS (Debian 10-derived) Kernel: 5.10.5-v8+ ALSA version: Advanced Linux Sound Architecture Driver Version k5.10.5-v8+ ALSA only: no jack, no pulsea

[Alsa-user] [alsa-user] Error: Unable to install hw params

2021-01-27 Thread Vijay Rakesh Munganda
Hi, I had tried to record a sample audio using arecord, “arecord hw:0,6 -d 10 test.wav” but I got an error as unable to install hw params. When I ran arecord -l command the output is: List of CAPTURE Hardware Devices card 0: mt8183mt6358 [mt8183-mt6358], device 3: Capture_l (*) [] S

[Alsa-user] ALSA-only apps sharing hardware with PulseAudio

2020-10-28 Thread Matt Garman
My use-case is as follows: I have a headless PC (a Raspberry Pi) that I want to use as a generic sound server. I want to run three audio applications on this; two of those apps will talk to ALSA directly, and one needs to use Pulseaudio. I have only one actual hardware audio interface, a USB DAC.

[Alsa-user] alsa compilation for ubuntu 20.04

2020-09-15 Thread Olivier SCHMITT
Hello dear all, I have compile my ubuntu kernel with CONFIG_SND_MAX_CARDS up to 256 to get more id cards. Actualy i search to compile alsa-lib and alsa-utils with "--with-max-cards=256". This works on ubuntu 18.04 Compilation and installation ok. But when i try aplay -L i get all alsa loopba

[Alsa-user] Alsa configuration for embedded device

2020-09-11 Thread Pieter Cardoen
Dear For our new audio platform, we are facing some problems to configure ALSA. Our operating system will be installed on different devices containing different codecs. By now we are able to detect the codec: # aplay -l card 0: onboardcodec1 [onboardcodec1], device 0: 2028000.sai-adau1372 adau

[Alsa-user] alsa mixer crash.

2020-05-23 Thread Alan Grimes via Alsa-user
Hey, I'm trying to resolve teething issues on a new motherboard, Sound plays but I can't configure it with alsamixer, I need to boost the gain before I have to solder together a +6db line amp... Alsamixer dies with following when I try to configure "card 2" tg@tortoise ~ $ alsamixer cannot load

Re: [Alsa-user] ALSA PCM plugin lifetime

2020-05-22 Thread Robert Bielik
On a similar note, the sample rate seems to be specified when instantiating the PCM plugin, but I’m not aware if frames per buffer is ? From: Robert Bielik Sent: Monday, 18 May 2020 10:39 To: alsa-user@lists.sourceforge.net Subject: ALSA PCM plugin lifetime Hi all, I have a system setup where I

[Alsa-user] ALSA PCM plugin lifetime

2020-05-18 Thread Robert Bielik
Hi all, I have a system setup where I need a post-processing ALSA PCM plugin. But how is the lifetime managed by the ALSA server? Will the plugin only be instantiated whilst there is an audio stream running? Is it possible to setup an ALSA configuration that keeps the PCM plugin instantiated,

Re: [Alsa-user] alsa-only applications (such as jitsi) via jackd

2020-04-21 Thread Peter P.
* Peter P. [2020-04-21 20:20]: > * Clemens Ladisch via Alsa-user [2020-04-12 > 11:55]: > > Peter P. wrote: > > > Can I set pcm device names per application as defaults? > > > > If the application does not allow you to set the ALSA device name, > > you have to replace the device definition that

Re: [Alsa-user] alsa-only applications (such as jitsi) via jackd

2020-04-21 Thread Peter P.
* Clemens Ladisch via Alsa-user [2020-04-12 11:55]: > Peter P. wrote: > > Can I set pcm device names per application as defaults? > > If the application does not allow you to set the ALSA device name, > you have to replace the device definition that the application used > (probably "default"). T

Re: [Alsa-user] alsa-only applications (such as jitsi) via jackd

2020-04-12 Thread Clemens Ladisch via Alsa-user
Peter P. wrote: > Can I set pcm device names per application as defaults? If the application does not allow you to set the ALSA device name, you have to replace the device definition that the application used (probably "default"). It would be possible to create a device definition that reads an e

[Alsa-user] alsa-only applications (such as jitsi) via jackd

2020-04-11 Thread Peter P.
Dear Alsa-list, I had asked this on the Linux-Audio-Users a few days ago but am still waiting for replies. I figured this question might even better suit this list here, so please allow me to ask it here again I am trying to use jack for alsa-only applications (jitsi application image, chromium f

[Alsa-user] alsa-jack

2019-11-02 Thread mtlswstl
I'm wondering if there's an alsa tool that can list the cumulative of system+user configurations because I'm having trouble setting something to a default in ~/.asoundrc. thanks ___ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.

Re: [Alsa-user] [alsa-devel] How to check ALSA version in Linux kernel

2019-09-15 Thread Takashi Iwai
On Thu, 12 Sep 2019 17:42:37 +0200, xinhui zhou wrote: > > > > > Dear all, > > > > I am involved in a project which will use different kernel versions > along the way, first 4.14, 4.19, 5.3 etc. > > How can I know the differences in ALSA, besides comparing files ? > How to get the ALSA

Re: [Alsa-user] alsa not seeing sound cards

2019-06-14 Thread Brian J. Murrell
On Fri, 2019-06-14 at 15:59 +0100, James wrote: > You appear to be missing: snd-hda-intel Technically, yes, but I'm not actually interested in the Intel sound device but rather the nvidia one which is an HDMI port. > Try "modprobe snd-hda-intel" and see if that helps. At least as a debugging s

Re: [Alsa-user] alsa not seeing sound cards

2019-06-14 Thread James
On 14/06/2019 15:32, Brian J. Murrell wrote: On Fri, 2019-06-14 at 16:02 +0200, Clemens Ladisch via Alsa-user wrote: Brian J. Murrell wrote: # aplay -l aplay: device_list:272: no soundcards found... Are the sound drivers loaded? (see the output of "lsmod") Sorry, I did check that before my pr

Re: [Alsa-user] alsa not seeing sound cards

2019-06-14 Thread Brian J. Murrell
On Fri, 2019-06-14 at 16:02 +0200, Clemens Ladisch via Alsa-user wrote: > Brian J. Murrell wrote: > > # aplay -l > > aplay: device_list:272: no soundcards found... > > Are the sound drivers loaded? (see the output of "lsmod") Sorry, I did check that before my previous message but forgot to includ

Re: [Alsa-user] alsa not seeing sound cards

2019-06-14 Thread Clemens Ladisch via Alsa-user
Brian J. Murrell wrote: > # aplay -l > aplay: device_list:272: no soundcards found... Are the sound drivers loaded? (see the output of "lsmod") Are the devices accessible? (see "ls -l /dev/snd/") Regards, Clemens ___ Alsa-user mailing list Alsa-user@

[Alsa-user] alsa not seeing sound cards

2019-06-14 Thread Brian J. Murrell
Kernel 5.0.17 alsa-lib 1.1.9 # aplay -l aplay: device_list:272: no soundcards found... # lspci | grep -i audio 00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 02) 02:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller (rev a1) A

Re: [Alsa-user] Alsa special use case scenario - config of asound.conf

2019-04-26 Thread frederik
Trial and error didnt make it aswell, as there is no error reporting of Alsa if anything is wrong. ALSA needs better error reporting, that's for sure. Have you heard of Ecasound? I find it very hard to understand, but it may do what you want with the mixing of various channels. Frederick ___

[Alsa-user] Alsa special use case scenario - config of asound.conf

2019-04-26 Thread M.
Hello everybody, after two nights of reading, trying I give up. My setting is a ESI Maya44 USB+ Audio interface, attached to a Raspberry Pi... The Audio Interface has 4 mono inputs and 4 mono outputs Basic sound works good, onboard sound chip is disabled by module blacklisting. The goal to ac

[Alsa-user] Alsa Crashes for ARM

2018-10-30 Thread Arjav Parikh
Hi, I am using linux on APQ8053 SOC with alsa-lib v1.1.0. I have ZL38063 sound card connected with APQ8053 over I2S. I can play wav file on my board using aplay utility and can hear sound on speaker connected to Audio Board as well. When I try aplay -D with multiple hw:0, options and below are

Re: [Alsa-user] [alsa-devel] alsaloop problems; ALSA streaming tutorial (resend)

2018-10-29 Thread frederik
(resending to list) Could you retest with the latest? I tried to fix the avail_min issue here: http://git.alsa-project.org/?p=alsa-utils.git;a=commitdiff;h=8bc1bc53d0a8b3797337bddd30cd345ba1049817 I would be pleased! But can you tell me which commands to run? I don't see a "clone" URL. Also,

Re: [Alsa-user] [alsa-devel] alsaloop problems; ALSA streaming tutorial (resend)

2018-10-24 Thread Jaroslav Kysela
Dne 24.10.2018 v 10:01 frede...@ofb.net napsal(a): > Dear Mark (cc'ing ALSA-user, ALSA-devel) > > Thank you for your tutorial > > http://www.pogo.org.uk/~mark/trx/streaming-desktop-audio.html > > I found it helpful and clearly-written (although missing a "}"

[Alsa-user] alsa-lib 1.1.6 OSX 10.13 Compile issues mach-o section specifier

2018-10-06 Thread Scott Pfister
is it possible to get alsa-lib-1.1.6 to run on OSX 10.13? i'm getting the following error when compiling: *control.c:2371:1: **error: **argument to 'section' attribute is not valid for this target: mach-o section specifier requires a segment whose length is between 1 and 16 characters* link_warn

Re: [Alsa-user] ALSA on non-Linux systems

2018-09-26 Thread Clemens Ladisch via Alsa-user
Kevin Smallman wrote: > is that down to the hardware support provided by the kernel, or something > like ALSA or OSS? ALSA consists of three parts: - the userspace library, alsa-lib; - the ALSA framework in the kernel; and - various ALSA drivers, also in the kernel. The library can use other bac

[Alsa-user] ALSA on non-Linux systems

2018-09-26 Thread Kevin Smallman
Hi everyone, apologies if this is a stupid question, but I haven't been able to find the answer anywhere else. To be as brief as possible, I have a Firewire sound device, which is great for my purposes (Echo Audiofire 2) that I have used for years with Windows, etc. I recently tried switching to

Re: [Alsa-user] ALSA: Unknown device state '3'

2018-03-11 Thread Ralf Mardorf
PPS: On Sun, 11 Mar 2018 09:46:21 +0100, Дмитрий wrote: >RPi box Oops, my apologies, I have not the slightest idea if Meltdown and Spectre mitigation are affecting ARM cores at all. The Internet clams that "Raspberry Pi isn’t susceptible to these vulnerabilities", but perhaps the PTI related patc

Re: [Alsa-user] ALSA: Unknown device state '3'

2018-03-11 Thread Ralf Mardorf
PS: >On Sun, 11 Mar 2018 09:46:21 +0100, Дмитрий wrote: >>I use a piece software called ecasound to push a stream from digital >>input to the output. I've been using it on RPi box with Raspbian since >>"Jessie" release. After updating it to "Stretch" I started to get such >>error messages when I ru

Re: [Alsa-user] ALSA: Unknown device state '3'

2018-03-11 Thread Ralf Mardorf
On Sun, 11 Mar 2018 09:46:21 +0100, Дмитрий wrote: >I use a piece software called ecasound to push a stream from digital >input to the output. I've been using it on RPi box with Raspbian since >"Jessie" release. After updating it to "Stretch" I started to get such >error messages when I run ecasoun

[Alsa-user] ALSA: Unknown device state '3'

2018-03-11 Thread Дмитрий
I use a piece software called ecasound to push a stream from digital input to the output. I've been using it on RPi box with Raspbian since "Jessie" release. After updating it to "Stretch" I started to get such error messages when I run ecasound like this "/usr/bin/ecasound -B:rtlowlatency -b:256 -

Re: [Alsa-user] alsa loopback. wich soundcard

2017-07-04 Thread Kristoffer Gustafsson
Hi. is there any other way to record system audio then? It seems that the loopback device is not the corect choise. /Kristoffer 2017-07-04 20:22 GMT+02:00, zcx : > On 04/07/17 15:16, Kristoffer Gustafsson wrote: >> how do I know wich soundcard alsa loopback sends the sound to? > > snd-aloop links

Re: [Alsa-user] alsa loopback. wich soundcard

2017-07-04 Thread zcx
On 04/07/17 15:16, Kristoffer Gustafsson wrote: how do I know wich soundcard alsa loopback sends the sound to? snd-aloop links two applications so they can exchange sound samples. The sound settings in the applications determine which sound card(s) they use. HTH ---

[Alsa-user] alsa loopback. wich soundcard

2017-07-04 Thread Kristoffer Gustafsson
Hi. I have two soundcards in my computer. the audigy 2 card, and the hda-intel card. how do I know wich soundcard alsa loopback sends the sound to? I've read a tutorial you gave me but I have'nt got this to work at all. /Kristoffer -- Kristoffer Gustafsson Salängsgatan 7a tel:033-12 60 93 mobil:

Re: [Alsa-user] alsa loopback in 384khz

2017-06-16 Thread Clemens Ladisch
Olivier Schmitt wrote: > wget ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.23.tar.bz2 Do not use that package; it is outdated. The ALSA drivers are part of the kernel. > nano ./drivers/aloop-kernel.c sound/drivers/aloop.c > The modification is juste to change 192000 by 768000 ? like:

Re: [Alsa-user] alsa loopback in 384khz

2017-06-15 Thread Clemens Ladisch
Olivier Schmitt wrote: > how can we use some alsa loopback in 384khz or 768khz sample rate. The upper limit of 192 kHz is hardcoded in the snd-aloop driver. Changing it would require recompiling it. Are you able to do that? Regards, Clemens -

Re: [Alsa-user] alsa loopback in 384khz

2017-06-15 Thread Caleb Crome
On Thu, Jun 15, 2017 at 7:48 AM, Olivier Schmitt wrote: > > Hello, > > I juste whant to ask the community how can we use some alsa loopback in > 384khz or 768khz sample rate. > > Dont ask me why, the reply is that i am an radio ham and we use lot of > loopback for signal processing. > > But for

[Alsa-user] alsa loopback in 384khz

2017-06-15 Thread Olivier Schmitt
Hello, I juste whant to ask the community how can we use some alsa loopback in 384khz or 768khz sample rate. Dont ask me why, the reply is that i am an radio ham and we use lot of loopback for signal processing. But for somme reason we need more than 192khz of sample rate. Thanks in advance dea

[Alsa-user] ALSA DRIVERS

2017-05-12 Thread Antonio Pinilla
Hello for everybody. I,m a new linux user, and i don't speak english very well, I prefer speak spanish, ir it's possible. I have problems with my sound card, I have a Sound Blaster X-FI xtreme fidelity, and included a I/O BOX (external box, with MIDI females conections, etc...). This i/O box doe

Re: [Alsa-user] alsa buffer/period size

2017-05-05 Thread Clemens Ladisch
Anders Genell wrote: > When using aplay one can set the buffer size with the -B flag. Is there a way > to do this 'permanently' in asound.conf? Not really. What buffer sizes are supported depends on the hardware, but the actual buffer size is always chosen by the application. The only way to re

[Alsa-user] alsa buffer/period size

2017-05-05 Thread Anders Genell
Dear experts! When using aplay one can set the buffer size with the -B flag. Is there a way to do this 'permanently' in asound.conf? I tried to mess around with inserting a pcm_slave object and setting different values for buffer_time and period_time but couldn't notice any effect. Best regards,

Re: [Alsa-user] Alsa ladspa lv2?

2017-03-11 Thread Anders Genell
> 12 mars 2017 kl. 02:33 skrev Takashi Sakamoto : > > Hi, > >> On Mar 11 2017 20:01, Anders Genell wrote: >> Alsa can host ladspa plugins through the ladspa pcm layer and I have applied >> this successfully. Is there also support for lv2? >> If not, are there any plans to implement it? > > As

Re: [Alsa-user] Alsa ladspa lv2?

2017-03-11 Thread Takashi Sakamoto
Hi, On Mar 11 2017 20:01, Anders Genell wrote: > Alsa can host ladspa plugins through the ladspa pcm layer and I have applied > this successfully. Is there also support for lv2? > If not, are there any plans to implement it? As long as I know, no one has been working for it yet. Regards Takas

[Alsa-user] Alsa ladspa lv2?

2017-03-11 Thread Anders Genell
Hi! Alsa can host ladspa plugins through the ladspa pcm layer and I have applied this successfully. Is there also support for lv2? If not, are there any plans to implement it? Best regards, Anders -- Announcing the Oxfor

Re: [Alsa-user] Alsa virtual device

2017-03-10 Thread Clemens Ladisch
Alan Bromborsky wrote: > I have a program with audio output that cannot be redirected/piped to > another program from the command line. This program (Kodi) allows me > to select the alsa device the sound stream is directed to. I wish to > to split a stereo stream into six channels (three for the

[Alsa-user] Alsa virtual device

2017-03-06 Thread Alan Bromborsky
I am looking for a reference/example to do the following - I have a program with audio output that cannot be redirected/piped to another program from the command line. This program (Kodi) allows me to select the alsa device the sound stream is directed to. I wish to to split a stereo stream

Re: [Alsa-user] alsa & audacity

2016-12-28 Thread Takashi Sakamoto
Hi, On Dec 28 2016 06:23, René Bastian wrote: > Hello, > > when I launch 'audacity' I get an enormous error message (see below); > I reinstalled 'libgail-gnome' - but without any change. > What shall I do? Audacity uses PortAudio as its backend for audio playbacking/capturing. The logs are outpu

[Alsa-user] alsa & audacity

2016-12-27 Thread René Bastian
Hello, when I launch 'audacity' I get an enormous error message (see below); I reinstalled 'libgail-gnome' - but without any change. What shall I do? Thanks, rb --- (Audacity:3312): Gnome-WARNING **: Accessibility: failed to find module 'libgail-gnome' which is needed to make this appli

Re: [Alsa-user] [alsa-devel] Verification of settings

2016-07-11 Thread Rob Nertney
Related question: Once I have copied my data from PING into dma_area, and called snd_pcm_period_elapsed, can I assume arecord has consumed that data by the time i finish writing PONG, calling snd_pcm_period_elapsed, and hit the IRQ to recopy PING? in other words, what/where is the guarantee that

Re: [Alsa-user] [alsa-devel] Verification of settings

2016-07-11 Thread Rob Nertney
Thanks Lars. My problem with the DMA is that it doesn't support cyclic mode, but does support SG mode. I have to create a new descriptor every time, and requeue/resubmit it. I don't want to drop any frames, so PONG is being received while PING is being copied and resubmitted to the Linux queue. O

Re: [Alsa-user] [alsa-devel] Verification of settings

2016-07-11 Thread Lars-Peter Clausen
On 07/11/2016 09:10 PM, Rob Nertney wrote: > Hi all, > > Could I please get a sanity check on my hw_params? > > I have a DMA which is providing between 1-16 channels of 4 bytes/ch worth > of data as a frame. I get an interrupt to my driver every frame's worth of > data (64 Bytes). The data is S32

[Alsa-user] ALSA / snd-dice / JACK Buffersize Question

2016-05-16 Thread Thomas Brand
Hi, i can't start JACK with buffersizes below 512 frames when using the ALSA firewire stack. This is the output of JACK: no message buffer overruns no message buffer overruns no message buffer overruns jackdmp 1.9.11 Copyright 2001-2005 Paul Davis and others. Copyright 2004-2014 Grame. ja

Re: [Alsa-user] [alsa-devel] How do I run arecord on raw digital mic buffer?

2016-05-04 Thread Clemens Ladisch
Rob Nertney wrote: >>> is the best method to build a sound card and a capture PCM? >> >> As compared to what? Any other method will not allow your hardware to >> be used for audio recording. > > As compared to my driver configuring the DMA to capture the data into > a known buffer, and then direct

Re: [Alsa-user] Alsa Multitrack Line In

2016-03-10 Thread Marcel Grandemange
Message- From: Ralf Mardorf [mailto:ralf.mard...@alice-dsl.net] Sent: Thursday, March 10, 2016 2:36 PM To: alsa-user@lists.sourceforge.net Subject: Re: [Alsa-user] Alsa Multitrack Line In Hi, why not using jack with the ALSA backend, together with pulseaudio or without pulseaudio at all, instead

Re: [Alsa-user] Alsa Multitrack Line In

2016-03-10 Thread Ralf Mardorf
Hi, why not using jack with the ALSA backend, together with pulseaudio or without pulseaudio at all, instead of using ALSA directly? http://www.jackaudio.org/ There might be reasons to not use jack, but at least for multi-track recording this IMO is the best and easiest approach. FWIW Ardour now

[Alsa-user] Alsa Multitrack Line In

2016-03-10 Thread Marcel Grandemange
Good Day I really hope someone can point me in the rite direction here. I have debian 8.X installed and installed a M-audio M44 card (using ice1712). I managed to get the card to pick up without to much issues and within pulse and several other tools such as pavucontrol was able to see the fir

Re: [Alsa-user] Alsa: Simultaneous recordings

2016-03-03 Thread Clemens Ladisch
Andrew Bryant wrote: > [...] > So the problem is to source two recordings simultaneously from each Alsa > device. > > This appears to work for one card if I use the default device, but if I > use the -D option to use any other device the first record process locks > out the next one. The default "

[Alsa-user] Alsa: Simultaneous recordings

2016-03-02 Thread Andrew Bryant
I wish to record three continuous streams of audio plugged to soundcards on a non-X Linux server. The recordings should dat format files, nominally of 30 minutes length. So far, so easy. For ease of subsequent editing, there needs to be overlap of, say, 2 minutes between consecutive files. S

Re: [Alsa-user] alsa is telling me this is a bug

2016-01-14 Thread roger day
Roger Day gmail.com> writes: > roger Ferdinand:~$ E: [alsa-sink-USB Audio] alsa-sink.c: ALSA woke us > up to write new data to the device, but there was actually nothing to > write! > E: [alsa-sink-USB Audio] alsa-sink.c: Most likely this is a bug in the > ALSA driver 'snd_usb_audio'. Please re

[Alsa-user] alsa is telling me this is a bug

2016-01-13 Thread Roger Day
Hi I upgraded to Ubuntu 15.04 and soon afterwards my Saffire 6 USB interface stopped working. It appeared that the interface was recognised - to a degree - but sound wasn't forthcoming. I've had a good poke around at the usual suspects - installed audacious to try and test the various output devi

[Alsa-user] alsa-utils udev rules cause alsactl stall

2016-01-09 Thread Joerg Walter
Hello,i've been struggling with a problem for half a year now but couldn't solve it.Every time when I start my system and systemd-udevd executes '/lib/udev/rules.d/90-alsa-restore.rules', an alsactl process per sound card will spawn and start to consume 100% CPU each:   657 ?    R  0:31 /us

Re: [Alsa-user] alsa Not Working on CentOS 7

2015-10-20 Thread U.Mutlu
gw1500 wrote on 10/20/2015 04:20 PM: > I apologize if this is a duplicate post but I think something happened > to my subscription and I had to resubscribe. > > I just installed alsa (1.0.28-2) from the CentOS 7 repository and cannot > get it to work. When I try a known good 'wav' file with 'aplaye

[Alsa-user] alsa Not Working on CentOS 7

2015-10-20 Thread gw1500
I apologize if this is a duplicate post but I think something happened to my subscription and I had to resubscribe. I just installed alsa (1.0.28-2) from the CentOS 7 repository and cannot get it to work. When I try a known good 'wav' file with 'aplayer' all I get is a continuous hiss. Can someone

Re: [Alsa-user] Alsa-user Digest, Vol 109, Issue 4

2015-05-08 Thread Menno Knevel
Hi Ralf, i think this solved the problem - thanks! >I suspect that you device sometimes is hw:0 and sometimes hw:1 >To /etc/modprobe.d/alsa-base.conf add > # ALSA module ordering > options snd slots=snd_ice1712 >then it always will be hw:0 and I suspect the MIDI port always will be 16. O

[Alsa-user] ALSA Audio Timestamps with dmix

2015-04-30 Thread Dan Hordern
I am having some issues getting audio timestamps when opening a device through dmix. When I open the hardware directly, e.g. "hw:0,0", I get all the timestamps and delay frames. However, when I open through dmix, e..g "dmix:0,0", the audio timestamps and delay frames are zero. Below is a test appl

[Alsa-user] [alsa-user] Playback - Overwrite buffer with silence

2015-04-10 Thread Nilhcraiv
Hello, I am developing an application and I have problems playing the audio with ALSA. In my application, I receive the sound data, this data must be decoded to be reproduce. In this process, always obtain an under-runerror. To fix this problem, I followed the documentation i.e. I use snd_pcm_

[Alsa-user] Alsa device for ffmpeg (i/o)

2015-04-03 Thread Thierry GAYET (AMA)
Hi I am using the snd-aloop alsa driver and i wanna first inject one stream using ffmpeg then record it into a file still using ffmpeg. The injection from the pcm stream is done as follow to the alsa Loopback devices : /usr/local/bin/ffmpeg -f s16le -acodec pcm_s16le -i tcp://localhost:4001 -

[Alsa-user] alsa route devices and speaker maps

2015-03-29 Thread Michał Goliński
I've been working on a more advanced confiuration for my linux box, in particular playing multi channel audio through two soundcards for surround. As a starting point I've decided to try playing 5.1 audio with back channels mixed with the front. Long time ago I've created two route devices: pc

[Alsa-user] ALSA does not work on baytrail tablet.

2015-01-01 Thread nutrinfnon
Hi, I have installed debian 7.7 on an 8" tablet (CHUWI VX8 3G) baytrail atom z3735g). I'm using kernel 3.10.20 from original android installation (only binary no source). I also tested upstream 3.19.0-rc1 with same results. Below all info: dmesg (relevant lines) snd_intel_sst: INFO: *

Re: [Alsa-user] [alsa-devel] Again: Alsa Driver Scarlett

2014-12-17 Thread Clemens Ladisch
Orm Finnendahl wrote: > There doesn't seem to be any progress concerning the integration > of the Scarlett alsa-driver patch into Alsa. > > Can someone on the list tell me how to invoke a process to get it > integrated? You'd need a time machine: . This w

[Alsa-user] Alsa Driver Scarlett

2014-12-17 Thread Orm Finnendahl
Hi, this is relating to my post on alsa-devel from September (see below): There doesn't seem to be any progress concerning the integration of the Scarlett alsa-driver patch into Alsa. Can someone on the list tell me how to invoke a process to get it integrated? The patch sources are here: http

Re: [Alsa-user] Alsa configuration files

2014-11-16 Thread Clemens Ladisch
Neven Sajko wrote: > Why are Alsa config files in /usr/share instead of in /etc ? Those are just default settings. Any customizations would be in /etc. Regards, Clemens -- Comprehensive Server Monitoring with Site24x7.

Re: [Alsa-user] Alsa configuration files

2014-11-14 Thread Ralf Mardorf
On Fri, 14 Nov 2014 23:02:48 +0100 Neven Sajko wrote: > Why are Alsa config files in /usr/share instead of in /etc ? They are in /etc/, such as /etc/modprobe.d/alsa-base.conf http://www.alsa-project.org/main/index.php/Asoundrc#Where_does_asoundrc_live.3F

[Alsa-user] Alsa configuration files

2014-11-14 Thread Neven Sajko
Why are Alsa config files in /usr/share instead of in /etc ? -- Comprehensive Server Monitoring with Site24x7. Monitor 10 servers for $9/Month. Get alerted through email, SMS, voice calls or mobile push notifications. Take

[Alsa-user] Alsa mixer and spdif on Lenovo x61s

2014-10-14 Thread Onno J.R. Bakker
Hi All, I modded a Lenovo laptop X61s to get spdif out (from pin 48 on the ad1984 chip on the mobo via condensatator of 0.1. mf to a bns plug etc.) With Lubuntu 13.10 – alsamixer version 1.0.27.1—Alsamixer gives spdif options and it works perfect. With lubuntu 14.4.1 (and betaversion 14.10) -

Re: [Alsa-user] Alsa - five sound cards and multiple dmixes

2014-09-11 Thread Clemens Ladisch
and0zej . wrote: > I put "options dev=mixusb" in the audio_output section configuration file. Shouldn't that be device "mixusb" for the ALSA driver? Regards, Clemens -- Want excitement? Manually upgrade your production

Re: [Alsa-user] Alsa - five sound cards and multiple dmixes

2014-09-10 Thread and0zej .
2014-09-10 12:14 GMT+02:00 Clemens Ladisch : > and0zej . wrote: > > all my sources plays on mixjulia , although some sources are configured > to play on mixusb > > Any program configured to use the device name "mixusb" will use that > device. How exactly have you done that configuration? > > It s

Re: [Alsa-user] Alsa - five sound cards and multiple dmixes

2014-09-10 Thread Clemens Ladisch
and0zej . wrote: > all my sources plays on mixjulia , although some sources are configured to > play on mixusb Any program configured to use the device name "mixusb" will use that device. How exactly have you done that configuration? Regards, Clemens --

[Alsa-user] Alsa - five sound cards and multiple dmixes

2014-09-10 Thread and0zej .
Hi I've got problem. I have 5 sound cards installed as follow : 0 [Juli ]: ICE1724 - ESI Juli@ ESI Juli@ at 0x10e0, irq 22 1 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0x8832 irq 49 2 [Live ]: EMU10K1 - SB Live! Val

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