SYNOPSIS
aconnect [-d] [-options] sender receiver
aconnect -i|-o [-options]
aconnect -x
DESCRIPTION
aconnect is a utility to connect and disconnect two exist
ing ports on ALSA sequencer system. The ports with the
arbitrary subscription permission, such as created by ase
qview(1), can be connected to any (MIDI) device ports
using aconnect. For example, to connect from port 64:0 to
65:0, run as follows:
% aconnect 64:0 65:0
The connection is one-way, and the whole data to the
sender port (64:0) is redirected to the receiver port
(65:0). When another port (e.g. 65:1) is attached to the
same sender port, the data is sent to both receiver ports.
For disconnection, use -d option.
% aconnect -d 64:0 65:0
The address can be given using the client's name.
% aconnect External:0 Emu8000:1
Then the port 0 of the client matching with the string
"External" is connected to the port 1 of the client match
ing with the "Emu8000".
Another function of aconnect is to list the present ports
on the given condition. The input ports, which may become
sender ports, can be listed with -i option.
% aconnect -i
client 0: 'System' [type=kernel]
0 'Timer '
1 'Announce '
client 64: 'External MIDI-0' [type=kernel]
0 'MIDI 0-0 '
Similary, to see the output ports, use -o flag.
You can remove all existing exported connections using -x
option. This function is useful for terminating the ALSA
drivers, because the modules with sequencer connections
cannot be unloaded unless their connections are removed.
must use (not necessarily own) the specified queue.
-t, --tick queue
Like -r option, but time-stamps are converted to
the current value of the given tick queue.
LIST PORTS
-i, --input
List existing input (readable) ports. This option
is exclusive to -o.
-o, --output
List existing output (writable) ports. This option
is exclusive to -i.
-l, --list
List the current connection status. The connected
and connecting ports from/to each port are listed
together. The suffix flag [ex] means the connec
tion is exclusive. The suffix flag [real:#] and
[tick:#] mean the connection includes real-time and
tick conversion on the listed queue, respectively.
REMOVE ALL CONNECTIONS
-x, --removeall
Remove all exported connections.
SEE ALSO
aseqnet(1), aseqview(1)
AUTHOR
Takashi Iwai <tiwai@suse.de>
August 31, 2000 aconnect(1)
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