30 Sep
2015
30 Sep
'15
4:24 p.m.
Hi,
i want to connect 2 computers (Linux Mint + KXStudio) and use the
JackTransport on one (the master) to guide the other (the slave)
- On the master i have jack2 running and Claudia.
i run in terminal: jack_netsource -H 192.168.1.128 <-- = address of master
The reply = Not Connected and i see in Claudia a small window appear called
"NetJack". It has 2 inputs, 2 outputs and a midi in and out. And, yes, they
are not connected to anything.
- On the slave i have jack2 running and Claudia.
i run in terminal: jack_netsource -s 192.168.1.129 <-- = address of slave
This is the output:
menno@huiskamer:~$ jack_netsource -s 192.168.1.129
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping
unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping
unlock
jack_client_open() failed, status = 0x11
Is the JACK server running ?
Is this the way to go to connect computers?
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30 Sep
30 Sep
11:59 p.m.
On Wed, 30 Sep 2015, Menno wrote:
Hi,
i want to connect 2 computers (Linux Mint + KXStudio) and use the
JackTransport on one (the master) to guide the other (the slave)
- On the master i have jack2 running and Claudia.
i run in terminal: jack_netsource -H 192.168.1.128 <-- = address of master
The reply = Not Connected and i see in Claudia a small window appear called
"NetJack". It has 2 inputs, 2 outputs and a midi in and out. And, yes, they
are not connected to anything.
- On the slave i have jack2 running and Claudia.
i run in terminal: jack_netsource -s 192.168.1.129 <-- = address of slave
I have never had good results using the jack_net_master/slave or
jack_netsource. Netjack2 where the master has jack_load netmanager run
after jack is running and the slave(s) are started with jackd -d net has
worked quite well for me. See:
https://github.com/jackaudio/jack2/blob/master/README_NETJACK2
I am not saying the other ones are broken, just that I never figured them
out. Also note that when I was playing with it, I had some rather marginal
machines. My master was a P4 (simgle core) which was fine but my slave had
less than .5gb ram and ran at less than 1Ghz.
For transporting audio, Zita-j2n/n2j works really well.
--
Len Ovens
www.ovenwerks.net
1 Oct
1 Oct
12:35 a.m.
On 09/30/2015 05:53 PM, Len Ovens wrote:
On Wed, 30 Sep 2015, Menno wrote:
Can jack_load netmanager/jackd -dnet provide transport sync? I don't
see it listed in jackd -dnet -h or params available for netmanager
I've been using (under jack2 (actually master can be jack1)):
Master(jack1) - jack_netsource ...
slaves(jack2) - jackd -dnetone ...
this provides great transport sync between 1 master/3 slaves.
jackd -dnet under jack1 still seems to have 2(ish) second lag for slave
transport roll.
Thanks!
--
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Hi,
i want to connect 2 computers (Linux Mint + KXStudio) and use the
JackTransport on one (the master) to guide the other (the slave)
- On the master i have jack2 running and Claudia.
i run in terminal: jack_netsource -H 192.168.1.128 <-- = address of
master
The reply = Not Connected and i see in Claudia a small window appear
called
"NetJack". It has 2 inputs, 2 outputs and a midi in and out. And,
yes, they
are not connected to anything.
- On the slave i have jack2 running and Claudia.
i run in terminal: jack_netsource -s 192.168.1.129 <-- = address of
slave
I have never had good results using the jack_net_master/slave or
jack_netsource. Netjack2 where the master has jack_load netmanager run
after jack is running and the slave(s) are started with jackd -d net
has worked quite well for me. See:
https://github.com/jackaudio/jack2/blob/master/README_NETJACK2
I am not saying the other ones are broken, just that I never figured
them out. Also note that when I was playing with it, I had some rather
marginal machines. My master was a P4 (simgle core) which was fine but
my slave had less than .5gb ram and ran at less than 1Ghz.
For transporting audio, Zita-j2n/n2j works really well.
--
Len Ovens
www.ovenwerks.net
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3 Oct
3 Oct
10:54 a.m.
i have been experimenting for a few days and have success!
i tried 2 different approaches: NetJack2 and Netone
- Wanting to try NetJack2, i did on the master:
jack_load netmanager
- On the slave:
jackd -R -S -d net -l2
It does work - i can connect on the master the sounds that come from the
slave.
Although stated in the readme file of NetJack2 there is NO option for
JackTransport Mode.
Output on the slave is this:
menno@huiskamer:~$ jackd -R -S -d net -l2
jackdmp 1.9.11
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2014 Grame.
jackdmp comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details
JACK server starting in realtime mode with priority 10
self-connect-mode is "Don't restrict self connect requests"
NetDriver started in sync mode without Master's transport sync.
Waiting for a master...
Initializing connection with muziek...
**************** Network parameters ****************
Name : huiskamer
Protocol revision : 8
MTU : 1500
Master name : muziek
Slave name : huiskamer
ID : 4
Transport Sync : no
Send channels (audio - midi) : 12 - 3
Return channels (audio - midi) : 10 - 3
Sample rate : 48000 frames per second
Period size : 64 frames per period
Network latency : 2 cycles
SampleEncoder : Float
Slave mode : sync
****************************************************
A -t option (for Transport Mode) does not exist in NetJack2.
So i tried JackNet (aka Netone):
- on the master:
jack_netsource -H 129.168.1.blah
on the slave:
jackd -R -S -d netone
Here is the output:
menno@huiskamer:~$ jackd -R -S -d netone
jackdmp 1.9.11
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2014 Grame.
jackdmp comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details
JACK server starting in realtime mode with priority 10
self-connect-mode is "Don't restrict self connect requests"
NetOne driver started
AutoConfig Override !!!
AutoConfig Override: Master JACK period size is 64
AutoConfig Override: capture_channels_audio = 2
AutoConfig Override: capture_channels_midi = 1
AutoConfig Override: playback_channels_audio = 2
AutoConfig Override: playback_channels_midi = 1
MTU is set to 1400 bytes
netxruns... duration: 1ms
netxruns... duration: 42ms
and i have JackTransport control on the master over the slave.
And that's what i wanted.
I wonder why NetJack2 does not have this feature. It is stated in the readme
file of NetJack2 "...Thus it is actually possible to synchronize also
transport...."
Shall i write a bugreport?
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4:55 p.m.
i wrote an article in the blue Wiki about how to synchronize 2 computers
using Jack, blue and a midi sequencer.
https://github.com/kunstmusik/blue/wiki/The-Blue-Connection
I did not find good articles on the subject so, once i figured this out, i
thought that i'd make the information available for others.
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4 comments
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participants (3)
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Len Ovens -
Menno -
Tweed