[pulseaudio-discuss] "list-sinks" doesn't match "aplay -l"

Cyrus Vafadari cyrusv at mit.edu
Wed Nov 30 09:26:04 PST 2011

All my stereo soundcards are identical, which is why I am confused by them
only showing their sources and not their sinks. Their directories in
/proc/asound/ are also nearly identical.

I think this must be a bug. is there a way to manually command pulse to
load output profiles on boot?

They work fine split up on another computer, but when I put them all
together on the same computer, pulse somehow fails to give 2 of the cards
an output profile:

        input:analog-mono: Analog Mono Input (priority 1)
        off: Off (priority 0)

as opposed to

        output:analog-stereo: Analog Stereo Output (priority 6000)
        output:analog-stereo+input:analog-mono: Analog Stereo Output +
Analog Mono Input (priority 6001)
        output:iec958-stereo: Digital Stereo Duplex (IEC958) (priority 5500)
        output:iec958-stereo+input:analog-mono: Digital Stereo (IEC958)
Output + Analog Mono Input (priority 5501)
        input:analog-mono: Analog Mono Input (priority 1)
        off: Off (priority 0)

On Wed, Nov 30, 2011 at 4:43 AM, Maarten Bosmans <mkbosmans at gmail.com>wrote:

> 2011/11/29 Cyrus Vafadari <cyrusv at mit.edu>:
> > I'm trying to use a bunch of sundcards (8 usb + 4 hdmi + 1 mobo) to
> control
> > different zones separately & combine them in cool ways.
> >
> > I'm having trouble getting pulse to recognize all of my soundcards'
> > existence.
> >
> > aplay -l recognizes all 13 cards, as does "pacmd list-cards", but pulse
> only
> > recognizes 10 of them (0-9). It seems to find them in the "pacmd dump",
> but
> > not in list-sinks.
> Cards and sinks are different things. A card can have zero or more
> sinks and zero or more sources. This can also change according to
> which profile is selected for the card.
> From your output it seems that some cards only support an input
> profile, hence no sinks show up for those.
> Maarten
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