Re: [linux-audio-dev] Status of mLAN or similar?

2005-11-02 Thread oliver oli
Thomas Vecchione wrote: I am wondering what the status of the mLAN or something similar is in linux? I have been able to find some mention of talking with Yamaha about it, but past that I cant seem to find anything on it. I am looking for a solution to allow me to connect and stream audio in

Re: [linux-audio-dev] Status of mLAN or similar?

2005-11-02 Thread Christoph Eckert
Hi, > I'm working on mLAN support, [...] > Neither of these will do any of the connection > management that is required. thanks for the good work, and be ensured that there are at least two eyes looking forward to seing firewire audio working on Linux 8-) . Best regards ce

Re: [linux-audio-dev] Status of mLAN or similar?

2005-11-02 Thread Jody McIntyre
On Wed, Nov 02, 2005 at 12:55:45PM -0500, Thomas Vecchione wrote: > I am wondering what the status of the mLAN or something similar is in > linux? I have been able to find some mention of talking with Yamaha > about it, but past that I cant seem to find anything on it. I am > looking for a sol

[linux-audio-dev] Re: [linux-audio-user] jack and setuid

2005-11-02 Thread Florian Schmidt
On Wed, 2 Nov 2005 18:46:03 +0100 conrad berhörster <[EMAIL PROTECTED]> wrote: > > Am Mittwoch, 2. November 2005 18:38 schrieb Florian Schmidt: > > > > Just for completeness sake: You can use the realtime lsm for 2.6.13 and > > above, too. I would even recommend it, since it's much less of a hass

[linux-audio-dev] Status of mLAN or similar?

2005-11-02 Thread Thomas Vecchione
I am wondering what the status of the mLAN or something similar is in linux? I have been able to find some mention of talking with Yamaha about it, but past that I cant seem to find anything on it. I am looking for a solution to allow me to connect and stream audio in realtime over firewire t

[linux-audio-dev] Re: [linux-audio-user] jack and setuid

2005-11-02 Thread conrad berhörster
Am Mittwoch, 2. November 2005 18:38 schrieb Florian Schmidt: > > Just for completeness sake: You can use the realtime lsm for 2.6.13 and > above, too. I would even recommend it, since it's much less of a hassle > to setup (rt_limits being the "correct" solution or not). > > Flo Just to be sure .

[linux-audio-dev] Re: [linux-audio-user] jack and setuid

2005-11-02 Thread Florian Schmidt
On Wed, 2 Nov 2005 14:25:45 +0100 conrad berhörster <[EMAIL PROTECTED]> wrote: > Am Mittwoch, 2. November 2005 14:02 schrieb Paul Davis: > thanks paul, > > > bash-3.00# chmod ugo+s /usr/local/bin/jackd > > > bash-3.00# exit > > > bash-3.00$ ls -la /usr/local/bin/jackd > > > -rwsr-sr-x 1 root r

Re: [linux-audio-dev] xruns

2005-11-02 Thread Florian Schmidt
On Wed, 2 Nov 2005 15:30:49 +0100 conrad berhörster <[EMAIL PROTECTED]> wrote: > Hello list, > well i try to understand the reason of xruns. when will they appear? > > for me it's curious, that , while copy a big file (> 50MB ) or many small > one, > there are xruns. so, it seems, that it has

[linux-audio-dev] xruns

2005-11-02 Thread conrad berhörster
Hello list, well i try to understand the reason of xruns. when will they appear? for me it's curious, that , while copy a big file (> 50MB ) or many small one, there are xruns. so, it seems, that it has nothing to do with the soundcard buffers. any comments? sizu c~

[linux-audio-dev] LDAS (Low Delay Audio Streamer) 0.1.0

2005-11-02 Thread Asbj�rn S�b
LDAS (Low Delay Audio Streamer) is software for full-duplex low-latency transmission of audio over IP. This is the first public release. At this point, the basic functionality is present -- LDAS is capable of transmitting full duplex two-channel audio between two computers. This has been tested u

[linux-audio-dev] Re: [linux-audio-user] jack and setuid

2005-11-02 Thread conrad berhörster
Am Mittwoch, 2. November 2005 14:02 schrieb Paul Davis: thanks paul, > > bash-3.00# chmod ugo+s /usr/local/bin/jackd > > bash-3.00# exit > > bash-3.00$ ls -la /usr/local/bin/jackd > > -rwsr-sr-x 1 root root 206476 2005-11-01 15:23 /usr/local/bin/jackd > > this is a really, really, really bad thi

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Stéphane Letz
Le 2 nov. 05 à 14:05, Alfons Adriaensen a écrit : On Wed, Nov 02, 2005 at 01:57:47PM +0100, St?phane Letz wrote: So if there are N clients, each of them needs N file descriptors open all the time. System wide the complexity grows as N^2. Not really a good way to tackle an O(N) problem IMHO.

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Alfons Adriaensen
On Wed, Nov 02, 2005 at 01:57:47PM +0100, St?phane Letz wrote: > >So if there are N clients, each of them needs N file descriptors open > >all the time. System wide the complexity grows as N^2. Not really a > >good way to tackle an O(N) problem IMHO. > > Yes but in the jackdmp data flow kind of

[linux-audio-dev] Re: [linux-audio-user] jack and setuid

2005-11-02 Thread Paul Davis
> bash-3.00# chmod ugo+s /usr/local/bin/jackd > bash-3.00# exit > bash-3.00$ ls -la /usr/local/bin/jackd > -rwsr-sr-x 1 root root 206476 2005-11-01 15:23 /usr/local/bin/jackd this is a really, really, really bad thing to do. there is no reason to run jackd as root or set it up as setuid root. yo

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Stéphane Letz
Le 2 nov. 05 à 13:43, Alfons Adriaensen a écrit : On Wed, Nov 02, 2005 at 12:38:49PM +0100, St?phane Letz wrote: Yes, clients use open *once* when the new client opens. This is done in a non RT thread (what we call the "notification" thread that also handle all non RT events like callback...)

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Alfons Adriaensen
On Wed, Nov 02, 2005 at 12:38:49PM +0100, St?phane Letz wrote: > Yes, clients use open *once* when the new client opens. This is done > in a non RT thread (what we call the "notification" thread that also > handle all non RT events like callback...) > > >This means that changing the graph ord

Re: [linux-audio-dev] jack and setuid

2005-11-02 Thread Jens M Andreasen
On Wed, 2005-11-02 at 12:21 +0100, conrad berhörster wrote: > > bash-3.00$ jack_lsp > JACK server not running > > why i can't use jack an normal user? what have i missed? why there are 5 > processes of jack? is this a secure way? do i need every application as suid? Yes. The jackd and your app

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Stéphane Letz
Le 2 nov. 05 à 12:11, Alfons Adriaensen a écrit : On Wed, Nov 02, 2005 at 11:56:59AM +0100, St?phane Letz wrote: I must be missing something essential here. Access to named things that have to be opened is normally by a file descriptor, and file descriptors are bound a process. How then can y

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Stéphane Letz
Le 2 nov. 05 à 11:48, Florian Schmidt a écrit : On Wed, 2 Nov 2005 11:05:34 +0100 Stéphane Letz <[EMAIL PROTECTED]> wrote: In Jackdmp we have tested 2 system for inter-process synchronization: fifo (the way it was done in regular jackd) and POSIX named semaphore (which are built on top of fut

[linux-audio-dev] jack and setuid

2005-11-02 Thread conrad berhörster
Hello Lists, I don't know, where ich can fix my little problem. Maybe i 've missed some explanations and/or haven't read my mails good enough. anyway, i try to install a linuxbox for audio on slackware i have installed slackware and patching the kernel 2.6.14 vanilla with patch-2.6.14-rt2. Then

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Alfons Adriaensen
On Wed, Nov 02, 2005 at 11:56:59AM +0100, St?phane Letz wrote: > >I must be missing something essential here. Access to named things > >that have to be opened is normally by a file descriptor, and file > >descriptors are bound a process. How then can you give *all* clients > >access to the named p

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Stéphane Letz
Le 2 nov. 05 à 11:29, Alfons Adriaensen a écrit : On Wed, Nov 02, 2005 at 11:05:34AM +0100, St?phane Letz wrote: Le 31 oct. 05 à 02:18, fons adriaensen a écrit : A big advantage of using futexes in shared memory would be that they don't have to be recreated each time the callback order chan

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Florian Schmidt
On Wed, 2 Nov 2005 11:05:34 +0100 Stéphane Letz <[EMAIL PROTECTED]> wrote: > In Jackdmp we have tested 2 system for inter-process synchronization: > fifo (the way it was done in regular jackd) and POSIX named semaphore > (which are built on top of futex on recent system version) > > In both c

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Alfons Adriaensen
On Wed, Nov 02, 2005 at 11:05:34AM +0100, St?phane Letz wrote: > > Le 31 oct. 05 ? 02:18, fons adriaensen a ?crit : > > >A big advantage of using futexes in shared memory would be > >that they don't have to be recreated each time the callback > >order changes - unlike the pipes, they are not bound

Re: [linux-audio-dev] jack_callback <-> rest of the world

2005-11-02 Thread Stéphane Letz
Le 31 oct. 05 à 02:18, fons adriaensen a écrit : On Mon, Oct 31, 2005 at 01:44:45AM +0100, Florian Schmidt wrote: Btw: i just discovered that pthread mutexes and condvars can have a "process shared" flag which makes it possiblo to synchronize threads across processes as it seems. Could be us