Linux-audio-dev February 2009

linux-audio-dev@lists.linuxaudio.org

44 participants
26 discussions

[JOB] Job opportunity - VoIP Quality Specialist

by Jussi Laako

Hi, This might be of interest for the people on this mailing list... We have an open position for VoIP Quality Specialist in our team at Nokia / MaemoSW in Helsinki, Finland. If this sounds interesting, please take a look at following link. As I seemingly cannot link to the actual job page in question, I can only link to the main page http://www.nokia.com/imaginemaemo , and ask to look up for Id: VoIP Quality Specialist-HEL000001K9 on the listing. At least currently seems to be on the first page. There might be also other interesting positions there... Best regards, - Jussi

16 years, 1 month

[ot] - NEED some security advise PLEASE!

by Julien Claassen

Hello all! I'm just a little worried abot my system security. I wonder is the following normal: # ps -ax [...] 8226 ? Ss 0:00 sshd: unknown [priv] 8227 ? S 0:00 sshd: unknown [net] Just before that I only saw "sshd [accept]" and "sshd [net]". Shutdown sshd and made new password and restarted sshd. Now it's the same. Can I easily check where it's coming from and what it's doing. I don't see anything besides those two lines. No other strange processes. Sorry to have bothered you with that. Kindest regards Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de

16 years, 1 month

Re: [LAD] [LAU] [ANN] Das_Watchdog V0.9.0

by Kjetil S. Matheussen

On Sun, 15 Feb 2009, Ken Restivo wrote: > > > Very cool. > > This is totally random, but it reminds me, 10 years ago, when I used > to work on PC's back when laptops had floppy drives, and before Linux > supported a lot of hardware, I'd keep a DOS floppy handy for > troubleshooting purposes. It was called, of course, "DOS BOOT". > You probably meant to write ""DAS BOOT""...? :-) > http://en.wikipedia.org/wiki/Das_boot > > -ken >

16 years, 1 month

Re: [LAD] [ot] - NEED some security advise PLEASE! + new question

by Kjetil S. Matheussen

Fons Adriaensen: > >> ... And if it's a public server, >> I'd rather not have anybody logging in through ssh who is not capable >of >> dealing with key logins. I disabled password logins through ssh on >> my public machines. > >That seems to be the best way to deal with it. > >A weakly related OT question: > >I need to set up a machine as a router. One side is >a fixed public IP address, the other side is a local >net using 192.168.1.x. I want to give internet access >to the machines on the local net, so this requires >(AFAIK) NAT. Anyone has a pointer to a good tutorial >about how to do this ? I once put the lines belo into an init file to do this. I don't know what happens, I just copied from a post found on the internet, one like this. :-) In case there is a security problem with this method, someone will hopefully write a comment about it. I think eth0 is connected to the world, and eth1 is connected to the local network, but it could have been the other way too. /sbin/rmmod ipchains /sbin/modprobe iptable_nat /sbin/modprobe ip_conntrack_ftp /sbin/modprobe ip_nat_ftp /sbin/iptables -F -t filter /sbin/iptables -Z -t filter /sbin/iptables -X -t filter /sbin/iptables -F -t nat /sbin/iptables -Z -t nat /sbin/iptables -X -t nat /sbin/iptables -P INPUT ACCEPT /sbin/iptables -P FORWARD ACCEPT /sbin/iptables -P OUTPUT ACCEPT /sbin/iptables -A FORWARD -i eth0 -m state --state NEW,INVALID -j DROP /sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE # enable forwarding echo 1 > /proc/sys/net/ipv4/ip_forward # drop spoof packets echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter

16 years, 1 month

[ANN] Das_Watchdog V0.9.0

by Kjetil S. Matheussen

ABOUT ----- Das_Watchdog is a general watchdog for the linux operating system that should run in the background at all times to ensure a realtime process won't hang the machine. DOWNLOAD -------- http://archive.notam02.no/arkiv/src/?C=M;O=D http://folk.uio.no/ksvalast/arkiv/src/?C=M;O=D CHANGES 0.3.1 -> 0.9.0: ----------------------- * Removed timer process testing. This was only a problem with older 2.6 kernels. (think it was fixed early 2006 or thereabout). No scary messages printed to the screen anymore. * Tested on Fedora core 10. * Cleaned up documentation a bit and added instructions for installing on Fedora, Gentoo and Debian.

16 years, 1 month

[PATCH] muse: find the best available ALSA timer

by Pedro Lopez-Cabanillas

This patch adds selection logic to ALSA timer initialization, trying to find the best available ALSA timer (a non slave timer with lowest resolution). Currently muse uses only the ALSA system timer, even when the system has an ALSA RTC or ALSA HPET drivers available, which are probably better for many users. This patch applies to muse CVS REL07 branch, dated 20090214 (post 1.0rc1 release). Also available at: https://sourceforge.net/tracker2/?func=detail&aid=2599030&group_id=93414&at… Regards, Pedro

16 years, 1 month

remote commands

by Fons Adriaensen

Hello all, Trying to control a cluster of computers from the only 'headed' one I've run into two unexpected problems. Any thoughts or suggestions are welcome. (all the ssh in the examples below use dsa keys to authenticate without a password, logins are always OK) The first is this: Open an xterm and do ssh -X remotemachine . ~/.jackdrc This runs jackd on the remote machine, and a Ctl-C in the local terminal stops it. All OK. But then ssh -X remotemachine ". ~/.jackdrc" runs jackd as expected and its output appears in the local xterm. But a Ctl-C in the local xterm does terminate the ssh connection but not the remote jackd. Why not ? It's not backgrounded. The second is this: Open an xterm and execute scriptA which contains a line like ssh -X remotemachine scriptB This runs scriptB on the remote machine. The script contains 'make' commands, one of which is 'sudo make install'. The produces an error from sudo, complaining there is no terminal. But surely there is one, even if it is via an ssh connection. Replacing the line in script A with ssh -X remotemachine xterm -e scriptB runs the script in a new temporary xterm and then the sudo command is executed without any problem. Why does sudo think there's no tty in the first case ? TIA, -- FA Laboratorio di Acustica ed Elettroacustica Parma, Italia O tu, che porte, correndo si ? E guerra e morte !

16 years, 1 month

[ANN] Aqualung 0.9beta10 released

by Tom Szilagyi

Hi all, On behalf of the developer team, it is my pleasure to announce the latest release of Aqualung, an advanced cross-platform gapless music player. This release is the result of a year's work, much of which has been done by our newly joined developer Jeremy Evans. Please see the ChangeLog below for the highlights of this release. As usual, the platform independent source tarball and the self-extracting installer for Microsoft Windows, as well as up-to-date documentation is immediately available from the project website: http://aqualung.factorial.hu Thanks, Tom 2009-02-08 Tom Szilagyi <tszilagyi at users dot sourceforge dot net> * Aqualung 0.9beta10 http://aqualung.factorial.hu * Add programmable title format support. This commit embeds a Lua interpreter inside of Aqualung for the purpose of allowing the user full control over the title format. It allows the user to use any metadata field that Aqualung recognizes, as well as a few fields from the file info in order to compose a title field. See the documentation update included in this release for usage information for this feature. * Loop playback enhancements: New key bindings '<' and '>' for adjusting loop range start and end (respectively) to the current playing position. Active only when track repeat mode is on and a track is currently playing or paused. Added tooltip showing loop range in percentage and time (if there is a track loaded). Tooltips must be globally enabled for this feature. * Allow the systray to be disabled even if support is compiled in. * Add support for saving single playlists in M3U format. If the playlist file name ends with .m3u, it will save in M3U format (one filename per line) instead of the Aqualung XML format. This only affects the logic around saving single playlists; if you save all playlists at once, it will always use the XML format, because the M3U format does not support multiple playlists. * Add support for sndio backend, bringing the total number of backends to five. libsndio was recently introduced in OpenBSD as a simple audio API that supports OpenBSD's builtin sound server, aucat. * Add playlist context menu option 'Roll to active song'. * Optionally combine Play and Pause buttons into a single button. * Fix gapless MPEG audio playback (correct offset calculation) when ID3v2 tag is present. * Export can now copy files instead of reencoding them using the new target format "Copy". * A subset of input files can be forced to be copied instead of being reencoded. There are two criteria for this: when the source file is already in the target format, and when the source file matches any of a comma-separated list of wildchards (similarly to the builder exclusion list). Both options can be enabled/disabled from the Export dialog. * Handle HTTP/1.0 responses. * When updating all feeds, insert 1 second delay between individual feeds. * Added right-click menu items for adding only new podcasts to playlist. * Music Stores can now use relative paths instead of absolute ones, allowing users to mount the same collection on different mount points (just one use case). Implementation is based on the patch by Russell Johnston, big thanks for both the idea and the contribution. A checkbox for toggling this feature is added to the Edit Store dialog (accessible via the right-click menu of stores). * All filenames use the GLib filename encoding instead of locale encoding. This is the proper and official way of doing it; if you have issues using filenames with special characters, consider setting the G_FILENAME_ENCODING or G_BROKEN_FILENAMES environment variables. If you are using an UTF-8 locale (a very wise choice), you have nothing to worry about. * Add extra check for mad.h presence to configure. * New store builder option to automatically remove non-existing files from the store. It is disabled by default. * Added new Swedish translation by Niklas Grahn. * Numerous minor bugfixes.

16 years, 1 month

Re: [LAD] [LAU] Request for open source solution to spectrograms and phase measurement

by Ismael Valladolid Torres

On Thu, Feb 5, 2009 at 4:38 PM, Raphaël Doursenaud <rdoursenaud(a)free.fr> wrote: > meterbridge does phase plots in its "jellyfish" mode. Thanks a lot for your kind answers. Any of your suggestions work realtime? Cordially, Ismael -- Ismael Valladolid Torres http://lamediahostia.blogspot.com/ <ivalladt(a)gmail.com> http://www.seomarketingtools.org/ http://www.linuxav.net/ t. 0034912519850 m. 0034609884094 (Yoigo) GnuPG key: DE721AF4 Google Talk/Jabber/MSN Messenger: ivalladt(a)gmail.com Jaiku/Twitter/Skype/Yahoo!: ivalladt AIM/ICQ: 264472328

16 years, 1 month

Request for open source solution to spectrograms and phase measurement

by Ismael Valladolid Torres

Sorry for the crossposting, but I don't know which list is more suitable to what I'm asking. One friend of mine is looking for a solution based in Linux. I admit I don't understand fully what he needs. That's why I am asking to you gurus out there... :) He needs something for level measurement of spectrograms, callibrated as K-14, also for phase measurement. He used [1]a plug-in for Nuendo in the past, but now he's looking for a netbook devoted only to this task, and he wants to use an open source solution. 1. http://www.nugenaudio.com/visualizer.php Any suggestions welcome. Cordially, Ismael -- Ismael Valladolid Torres http://lamediahostia.blogspot.com/ <ivalladt(a)gmail.com> http://www.seomarketingtools.org/ http://www.linuxav.net/ t. 0034912519850 m. 0034609884094 (Yoigo) GnuPG key: DE721AF4 Google Talk/Jabber/MSN Messenger: ivalladt(a)gmail.com Jaiku/Twitter/Skype/Yahoo!: ivalladt AIM/ICQ: 264472328

16 years, 1 month

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Linux-audio-dev February 2009