alsa-utils/axfer/axfer-list.1

.TH AXFER\-LIST 1 "28 November 2018" "alsa\-utils"

.SH NAME
axfer\-list \- dump lists of available sound devices and nodes to transfer audio
data frame.

.SH SYNOPSIS

.B axfer list
.I direction target

direction =
.B capture
|
.B playback

target =
.B device
|
.B pcm

.SH DESCRIPTION
The
.B list
subcommand of
.B axfer
dumps lists of available nodes to
transfer audio data frame. At present, the subcommand is helpful just for
libasound backend of
.B transfer
subcommand.

.SH OPTIONS

.SS Direction

.TP
.B capture
Operates for capture transmission.

.TP
.B playback
Operates for playback transmission.

.SS Target

.TP
.B device
Dumps a list of all soundcards and digital audio devices available in
.I libasound
backend for
.I tranfer
subcommand.

.TP
.B pcm
Dumps a list of all PCM nodes available in alsa\-lib configuration space in
.I libasound
backend for
.I transfer
subcommand.

.SH COMPATIBILITY TO APLAY

Options of
.I \-l
,
.I \-\-list-devices
are handled as
.I device
operation. Options of
.I \-L
,
.I \-\-list-pcms
are handled as
.I pcm
operation.

.SH SEE ALSO
.B axfer(1),
.B axfer\-transfer(1),
.B alsamixer(1),
.B amixer(1)

.SH AUTHOR
Takashi Sakamoto <o\-takashi@sakamocchi.jp>