* Re: Novation Twitch broken on Linux 4.7?
[not found] ` <1609161626200.3103@stax.localdomain>
@ 2016-09-16 18:33 ` Juan Pedro Bolívar Puente
0 siblings, 0 replies; only message in thread
From: Juan Pedro Bolívar Puente @ 2016-09-16 18:33 UTC (permalink / raw)
To: Mark Hills; +Cc: tiwai, alsa-devel
[-- Attachment #1.1: Type: text/plain, Size: 3569 bytes --]
Hi,
Mark Hills <mark@xwax.org> writes:
> On Fri, 16 Sep 2016, Juan Pedro Bolívar Puente wrote:
>
>> I am trying to use again my Novation Twitch after some time, and audio
>> playback is not working anymore. I have tried with Jackd and various
>> other programs, and it seems to always fail to install the hardware
>> params.
>
> [...]
>
> If it doesn't work then maybe the attached alsacap.c is useful and you
> could post the output back (and CC alsa-devel); it should show us the
> advertised rates and formats.
Here is the ouput:
$ ./alsacap
*** Scanning for playback devices ***
...
Card 1, ID `Twitch', name `Twitch'
Device 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available)
4 channels, sampling rate 44100..48000 Hz
Sample formats: S24_3LE
Subdevice 0, name `subdevice #0'
$ ./alsacap -d hw:Twitch
*** Exploring configuration space of device `hw:Twitch' for playback ***
4 channels
Sampling rate 44100..48000 Hz
Sample formats: S24_3LE
Significant bits: 24
For people reading this message for the first time in `alsa-devel`, here
are the error output of various commands when trying to use the device:
$ aplay -D hw:Twitch -f S24_3LE -c 4 -r 44100 test.wav
Playing raw data 'prueba.wav' : Signed 24 bit Little Endian in
3bytes, Rate 44100 Hz, Channels 4
aplay: set_params:1361: Unable to install hw params:
ACCESS: RW_INTERLEAVED
FORMAT: S24_3LE
SUBFORMAT: STD
SAMPLE_BITS: 24
FRAME_BITS: 96
CHANNELS: 4
RATE: 44100
PERIOD_TIME: (125011 125012)
PERIOD_SIZE: 5513
PERIOD_BYTES: 66156
PERIODS: (3 4)
BUFFER_TIME: 500000
BUFFER_SIZE: 22050
BUFFER_BYTES: 264600
TICK_TIME: 0
$ mplayer -ao alsa:device=hw=Twitch test.mp3
MPlayer 1.3.0 (Debian), built with gcc-5.4.0 (C) 2000-2016 MPlayer Team
Playing test.mp3.
...
[AO_ALSA] Format s16le is not supported by hardware, trying default.
[AO_ALSA] Unable to set format: Invalid argument
Failed to initialize audio driver 'alsa:device=hw=Twitch'
$ mplayer -ao alsa:device=plughw=Twitch test.mp3
MPlayer 1.3.0 (Debian), built with gcc-5.4.0 (C) 2000-2016 MPlayer Team
Playing test.mp3.
...
[AO_ALSA] alsa-lib: pcm_hw.c:603:(snd_pcm_hw_prepare)
SNDRV_PCM_IOCTL_PREPARE failed (-32): Broken pipe
[AO_ALSA] alsa-lib: pcm_direct.c:1054:(snd1_pcm_direct_initialize_slave)
unable to install hw params
[AO_ALSA] alsa-lib: pcm_dmix.c:1053:(snd_pcm_dmix_open) unable to
initialize slave
[AO_ALSA] Playback open error: Broken pipe
Failed to initialize audio driver 'alsa:device=hw=Twitch'
$ jackd -n twitch -d alsa -d hw:Twitch
jackdmp 1.9.11
...
creating alsa driver ...
hw:Twitch|hw:Twitch|1024|2|48000|0|0|nomon|swmeter|-|32bit
Using ALSA driver USB-Audio running on card 1 - Novation Twitch at
usb-0000:00:1d.0-1.2, full speed
ALSA: Cannot open PCM device alsa_pcm for capture. Falling back to
playback-only mode
configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2
periods
ALSA: final selected sample format for playback: 24bit little-endian in
3bytes format
ALSA: use 2 periods for playback
ALSA: cannot set hardware parameters for playback
ALSA: cannot configure playback channel
Thanks a lot!
--
∿∿∿∿
https://sinusoid.es
∿∿∿∿
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 800 bytes --]
[-- Attachment #2: Type: text/plain, Size: 0 bytes --]
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2016-09-16 18:34 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <87lgys0wq2.fsf@gnu.org>
[not found] ` <1609161626200.3103@stax.localdomain>
2016-09-16 18:33 ` Novation Twitch broken on Linux 4.7? Juan Pedro Bolívar Puente
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.