Hello,
The 'pacmd list-cards' gives precious information about sound cards.
I have a jack to usb cable that is capture only (there is no headphone
or speaker output) and it has sources and sinks.
How to determine if the sound card is capture only, playback only or
capture and playback?
The following sound card is capture only (i can't plug a headphone or
speaker to that usb sound card, i have to reroute the captured audio
to another sound card).
index: 1
name: <alsa_card.usb-0d8c_C-Media_USB_Audio_Device-00>
driver: <module-alsa-card.c>
owner module: 8
properties:
alsa.card = "0"
alsa.card_name = "C-Media USB Audio Device"
alsa.long_card_name = "C-Media USB Audio Device at
usb-0000:00:14.0-8, full speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:14.0-usb-0:8:1.0"
sysfs.path =
"/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/sound/card0"
udev.id = "usb-0d8c_C-Media_USB_Audio_Device-00"
device.bus = "usb"
device.vendor.id = "0d8c"
device.vendor.name = "C-Media Electronics, Inc."
device.product.id = "0008"
device.product.name = "C-Media USB Audio Device "
device.serial = "0d8c_C-Media_USB_Audio_Device"
device.string = "0"
device.description = "C-Media USB Audio Device "
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
profiles:
input:mono-fallback: Entrée Mono (priority 1, available: unknown)
input:multichannel-input: Entrée Multicanal (priority 1,
available: unknown)
output:analog-stereo: Sortie Stéréo analogique (priority 6500,
available: unknown)
output:analog-stereo+input:mono-fallback: Sortie Stéréo
analogique + Entrée Mono (priority 6501, available: unknown)
output:analog-stereo+input:multichannel-input: Sortie Stéréo
analogique + Entrée Multicanal (priority 6501, available: unknown)
output:iec958-stereo: Sortie Stéréo numérique (IEC958)
(priority 5500, available: unknown)
output:iec958-stereo+input:mono-fallback: Sortie Stéréo
numérique (IEC958) + Entrée Mono (priority 5501, available: unknown)
output:iec958-stereo+input:multichannel-input: Sortie Stéréo
numérique (IEC958) + Entrée Multicanal (priority 5501, available:
unknown)
off: Éteint (priority 0, available: unknown)
active profile: <output:analog-stereo+input:mono-fallback>
sinks:
alsa_output.usb-0d8c_C-Media_USB_Audio_Device-00.analog-stereo/#1:
C-Media USB Audio Device Stéréo analogique
sources:
alsa_output.usb-0d8c_C-Media_USB_Audio_Device-00.analog-stereo.monitor/#2:
Monitor of C-Media USB Audio Device Stéréo analogique
alsa_input.usb-0d8c_C-Media_USB_Audio_Device-00.mono-fallback/#3:
C-Media USB Audio Device Mono
ports:
analog-input-mic: Microphone (priority 8700, latency offset 0
usec, available: unknown)
properties:
device.icon_name = "audio-input-microphone"
multichannel-input: Entrée multicanal (priority 0, latency
offset 0 usec, available: unknown)
properties:
analog-output: Sortie analogique (priority 9900, latency
offset 0 usec, available: unknown)
properties:
iec958-stereo-output: Sortie numérique (S/PDIF) (priority 0,
latency offset 0 usec, available: unknown)
properties:
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