Hello,
sorry for not replying earlier, yes snd-usb-audio is loaded:
[15217.305729] usb 3-1: new high-speed USB device number 2 using
xhci_hcd
[15217.324934] usb 3-1: New USB device found, idVendor=1397,
idProduct=0003
[15217.324940] usb 3-1: New USB device strings: Mfr=28, Product=29,
SerialNumber=30
[15217.324944] usb 3-1: Product: FCA610
[15217.324947] usb 3-1: Manufacturer: BEHRINGER
[15217.324950] usb 3-1: SerialNumber: 0x156400d040
[15218.722923] usbcore: registered new interface driver snd-usb-audio
I am able to play multichannel WAV files just fine:
$ aplay -D plughw:CARD=FCA610,DEV=0 -c 10 Musik/test-6ch.wav
Playing WAVE 'Musik/test-6ch.wav' : Signed 16 bit Little Endian, Rate
44100 Hz, Channels 6
^CAborted by signal Interrupt...
But only on the plughw device not hw or any of the others:
$ aplay -D hw:CARD=FCA610,DEV=0 -c 10 Musik/test-6ch.wav
Playing WAVE 'Musik/test-6ch.wav' : Signed 16 bit Little Endian, Rate
44100 Hz, Channels 6
aplay: set_params:1233: Sample format non available
Available formats:
- S32_LE
$ aplay -D front:CARD=FCA610,DEV=0 -c 10 Musik/test-6ch.wav
Playing WAVE 'Musik/test-6ch.wav' : Signed 16 bit Little Endian, Rate
44100 Hz, Channels 6
aplay: set_params:1233: Sample format non available
Available formats:
- S32_LE
There is a stream0 file:
$ cat /proc/asound/FCA610/stream0
BEHRINGER FCA610 at usb-0000:00:14.0-1, high speed : USB Audio
Playback:
Status: Stop
Interface 1
Altset 1
Format: S32_LE
Channels: 10
Endpoint: 1 OUT (ASYNC)
Rates: 44100, 48000, 88200, 96000
Data packet interval: 125 us
Capture:
Status: Stop
Interface 2
Altset 1
Format: S32_LE
Channels: 6
Endpoint: 2 IN (ASYNC)
Rates: 44100, 48000, 88200, 96000
Data packet interval: 125 us
So it looks like only S32_LE is supported, but uncommenting and changing
default-sample-format = s16le to s32le in /etc/pulse/daemon.conf and
restarting PulseAudio dosen't help. I think I'm very close to what I
want, but I don't know where to continue with debugging from there.
Regards, Benjamin
Am Dienstag, den 22.04.2014, 06:56 +0200 schrieb Daniel Mack:
> On 04/22/2014 01:40 AM, Benjamin Tegge wrote:
> > Thank you for your reply, my actual issue is that the device is not
> > picked up by pulseaudio.
> >
> > I attached the output of dmesg after reconnecting the device, lsusb -d
> > 1397:0003 -v and pulseaudio -vv.
>
> There's no notion in dmesg of the snd-usb-audio driver being loaded. Did
> you miss it? It seems to be there, but PulseAudio can't open it:
>
> D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Signed 16 bit
> Little Endian) failed: Invalid argument
> D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Signed 16 bit
> Big Endian) failed: Invalid argument
> D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Float 32 bit
> Little Endian) failed: Invalid argument
> D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_format(Float 32 bit
> Big Endian) failed: Invalid argument
> D: [pulseaudio] alsa-util.c: snd_pcm_hw_params_set_channels(2) failed:
> Invalid argument
> D: [pulseaudio] alsa-util.c: Trying front:1 without
> SND_PCM_NO_AUTO_FORMAT ...
> D: [pulseaudio] alsa-util.c: Managed to open front:1
>
> The question is which formats are actually supported. You can try and
> find out from the contents of /proc/asound/*. And as I said - you should
> first manage to use the device with aplay.
>
> This is just a hint on where to continue debugging. I'll be 'away from
> keyboard' for a good week from now on. I'll catch up on this once I'm back!
>
>
> Thanks,
> Daniel
>
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