It seems like both mine and JOORIS's sound hardware supports recording
from both hda channels simultaneously, but AFAIK pulseaudio does not
support what you would like to do at the moment. I'm not 100% sure
though. At least there is no combine module to turn two sources into one
four-channel source.
As for the controller and codec Daniel is talking about, that's two
pieces of physical hardware (e g your codec is called "Realtek ALC888"),
not to be confused with the codecs used in audio files.
** Changed in: pulseaudio (Ubuntu)
Status: Incomplete => Triaged
** Description changed:
+ The user wants to be able to do multichannel recording with pulseaudio. In
this case, we must first make sure that the two subdevices show up
independently, then make sure there is a way to combine them into one four
channel stream.
+ ----
+
Binary package hint: pulseaudio
With Sound card with multiple capture controls (2 source can be read at the
same time), only one is used.
On my Gigabyte GA-770TA-UD3 motherboard with a Realtek ALC888 integrated
sound card [1002:4383], alsamixer show 2 capture device (card name HDA ATI SB)
named Capture and Capture 1.
- ---
+ ---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC2: mahoru 1762 F.... pulseaudio
- /dev/snd/controlC0: mahoru 1762 F.... pulseaudio
- /dev/snd/pcmC0D0c: mahoru 1762 F...m pulseaudio
- /dev/snd/pcmC0D0p: mahoru 1762 F...m pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC2: mahoru 1762 F.... pulseaudio
+ /dev/snd/controlC0: mahoru 1762 F.... pulseaudio
+ /dev/snd/pcmC0D0c: mahoru 1762 F...m pulseaudio
+ /dev/snd/pcmC0D0p: mahoru 1762 F...m pulseaudio
Card0.Amixer.info:
- Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
- Mixer name : 'Realtek ALC888'
- Components : 'HDA:10ec0888,1458a042,00100001'
- Controls : 40
- Simple ctrls : 22
+ Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
+ Mixer name : 'Realtek ALC888'
+ Components : 'HDA:10ec0888,1458a042,00100001'
+ Controls : 40
+ Simple ctrls : 22
Card1.Amixer.info:
- Card hw:1 'Bt878'/'Brooktree Bt878 at 0xfd9fe000, irq 23'
- Mixer name : 'Bt87x'
- Components : ''
- Controls : 3
- Simple ctrls : 5
+ Card hw:1 'Bt878'/'Brooktree Bt878 at 0xfd9fe000, irq 23'
+ Mixer name : 'Bt87x'
+ Components : ''
+ Controls : 3
+ Simple ctrls : 5
Card2.Amixer.info:
- Card hw:2 'Namtai'/'Sony corporation EyeToy USB camera Namtai at
usb-0000:00:13.1-3, full speed'
- Mixer name : 'USB Mixer'
- Components : 'USB054c:0155'
- Controls : 0
- Simple ctrls : 0
+ Card hw:2 'Namtai'/'Sony corporation EyeToy USB camera Namtai at
usb-0000:00:13.1-3, full speed'
+ Mixer name : 'USB Mixer'
+ Components : 'USB054c:0155'
+ Controls : 0
+ Simple ctrls : 0
Card2.Amixer.values:
-
+
DistroRelease: Ubuntu 10.04
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406)
NonfreeKernelModules: nvidia
Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14
PackageArchitecture: amd64
ProcEnviron:
- PATH=(custom, user)
- LANG=fr_FR.utf8
- SHELL=/bin/zsh
+ PATH=(custom, user)
+ LANG=fr_FR.utf8
+ SHELL=/bin/zsh
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Tags: lucid
Uname: Linux 2.6.32-22-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers
dmi.bios.date: 11/19/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F1
dmi.board.name: GA-770TA-UD3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF1:bd11/19/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-770TA-UD3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-770TA-UD3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-770TA-UD3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
mtime.conffile..etc.pulse.daemon.conf: 2010-05-19T23:51:13.247673
mtime.conffile..etc.pulse.default.pa: 2010-05-19T15:16:40.957753
--
Multiple capture in same card are not used
https://bugs.launchpad.net/bugs/582849
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