b18 wrote:
> Hello everybody,
>
> I'm a beginner with pi core player but I'm very happy with this
> solution.
>
> I have a raspberry 2 with 2 usb dac, picoreplayer is in version
> v1.19l_RPi2.
>
> I try to configure my picore player to stream 6 streams with 3 dac. I
> want to create 6 slave ALSA MONO card. When I try to create these mono
> card I can't see it in my alsamixer or with aplay -l
>
> MY asound.conf
>
> #use you own ALSA settings below
> pcm.!default {
> type plug
> slave.pcm hw
> }
>
> tc@piCorePlayer:~$ aplay -t
> aplay: option requires an argument -- 't'
> Try `aplay --help' for more information.
> tc@piCorePlayer:~$ aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: Set [C-Media USB Headphone Set], device 0: USB Audio [USB
> Audio]
> Subdevices: 0/1
> Subdevice #0: subdevice #0
> card 1: Set_1 [C-Media USB Headphone Set], device 0: USB Audio [USB
> Audio]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> card 2: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
> Subdevices: 7/8
> Subdevice #0: subdevice #0
> Subdevice #1: subdevice #1
> Subdevice #2: subdevice #2
> Subdevice #3: subdevice #3
> Subdevice #4: subdevice #4
> Subdevice #5: subdevice #5
> Subdevice #6: subdevice #6
> Subdevice #7: subdevice #7
> card 2: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835
> IEC958/HDMI]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> tc@piCorePlayer:~$
>
> Now I can create 3 picoreplayers without problem with my 3 physical
> dac:
>
> /mnt/mmcblk0p2/tce/squeezelite-armv6hf -n "1" -o sysdefault:CARD=ALSA -a
> 80:::0 -m b8:27:eb:14:5d:36 -s 10.10.0.100 &
> /mnt/mmcblk0p2/tce/squeezelite-armv6hf -n "2" -o front:CARD=Set,DEV=0 -a
> 80:4:: -m b8:27:eb:14:5d:38 -s 10.10.0.100 &
> /mnt/mmcblk0p2/tce/squeezelite-armv6hf -n 3 -o front:CARD=Set_1,DEV=0 -a
> 80:4:: -m b8:27:eb:14:5d:39 -s 10.10.0.100
>
> If you have got a asound which work with virtual mono card, i'm very
> interesting about it.
>
>
> Have a good day
hi b18,
Thanks for giving piCorePlayer a try.
You don't start with a easy implementation. It will be a lot simpler to
have 3 RPis. ;)
I can't give you an answer, only a few pointers.
http://www.volkerschatz.com/noise/alsa.html
http://alsa.opensrc.org/Asoundrc
Good luck.
Reards
Greg
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