Re: [linux-audio-dev] High-level sound API for python?

2007-03-31 Thread Paul Davis
On Sat, 2007-03-31 at 13:17 +0200, Dennis Schulmeister wrote: Thanks Paul and Pau for pointing me to GStreamer. I took a glimpse on some tutorials yesterday and my impression is that GStreamer is easier to handle than I thought. whatever you do, don't forget to start using the playbin element

Re: [linux-audio-dev] High-level sound API for python?

2007-03-30 Thread Paul Davis
On Fri, 2007-03-30 at 16:28 +0200, Dennis Schulmeister wrote: Hi, My question is if there's any high-level sound API for python. I don't want to process audio. Instead I'm looking for an API (or a combination thereof) which could be used to implement a small media player feeding several

Re: [linux-audio-dev] ANNOUNCE: Sonic Visualiser and Vamp plugin SDK 1.0pre3 released

2007-03-19 Thread Paul Winkler
of music audio files. It contains advanced waveform and spectrogram viewers, as well as editors for many sorts of audio annotations. What does annotations mean in this context? -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] Getting out of the software game

2007-03-15 Thread Paul Davis
On Thu, 2007-03-15 at 13:12 +0100, Malte Steiner wrote: I wonder what are the alternatives, if there are any I would jump instantly. Windows Vista in which nothing works and wastes CPU cycles to spy and torture you? OSX which comes with a hefty price, limits your choice (and money) and

[linux-audio-dev] Re: Getting out of the software game

2007-03-15 Thread Paul
for 'Device drivers', among countless other resources. Paul [EMAIL PROTECTED] If I were a commercial HW developer needing to develop a driver for the first time, this would certainly be an issue. Greets, Pieter

Re: [linux-audio-dev] Getting out of the software game

2007-03-14 Thread Paul Coccoli
On 3/14/07, Gordon JC Pearce [EMAIL PROTECTED] wrote: After a few days of careful consideration, I've decided that I no longer want to be involved in developing software for Linux. It's been a difficult decision to make, having used Linux as my main desktop OS for around 10 years now, but I

Re: [linux-audio-dev] Getting out of the software game

2007-03-14 Thread Paul Davis
On Wed, 2007-03-14 at 08:56 -0400, Paul Coccoli wrote: Besides, what you want is probably impossible. You can't have pre-comiled, binary-only drivers *and* a custom kernel. in theory, you certainly can. but the kernel development team, and linus in particular, are not interested

Re: [linux-audio-dev] Getting out of the software game

2007-03-14 Thread Paul Davis
On Wed, 2007-03-14 at 10:21 -0400, Lee Revell wrote: Why should Linux sacrifice stability just so vendors can keep their hardware interfaces secret? although i broadly agree with lee on most things, i think that this way of approaching this issue is unnecessarily confrontational. just flip it

Re: [linux-audio-user] Re: [linux-audio-dev] Hunt for old list archives.

2007-02-22 Thread Paul Winkler
. Let me know if you need it. -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] Re: processing plugin standard wrapper

2007-02-19 Thread Paul Davis
On Mon, 2007-02-19 at 14:18 +0100, Stefano D'Angelo wrote: How often are more than one plugin with the same control inputs used in paralel? I was rather thinking of colapsing (or swapping) plugins in series. They'd have to be linear and time invariant, of course. Or maybe plugins could

Re: [linux-audio-dev] Re: processing plugin standard wrapper

2007-02-19 Thread Paul Davis
On Mon, 2007-02-19 at 18:10 +0100, Stefano D'Angelo wrote: nope. thats not a linear arrangement of the two mono plugins, but a parallel arrangement. the signal going to each instance of the mono plugin is different. I'm obscure even in Italian, I can just imagine how it can sound like

Re: [linux-audio-dev] What does it mean for jack to be rolling (newby)

2007-02-19 Thread Paul Davis
On Mon, 2007-02-19 at 13:33 -0800, Jonathan Ryshpan wrote: On Mon, 2007-02-19 at 13:18 -0800, vreuzon wrote: Jonathan Ryshpan a écrit : The above recording session was done while jack was Stopped. Would jack work better if it were Rolling? This play button refers to jack transport

Re: [linux-audio-dev] [completely OT] c++ and UTF-8 question

2007-02-19 Thread Paul Davis
On Mon, 2007-02-19 at 19:49 -0300, Camilo Polyméris wrote: Julien Claassen wrote: Hi! I'm sorry to ask that here, but it seems I can't get an anser anywhere else. Does the libstdc++ support UTF-8 strings? Or is there some simple example code snippet somewhere to derive/modify

Re: [linux-audio-dev] Python

2007-02-07 Thread Paul Winkler
using to implement a lot of pypy? http://codespeak.net/pypy/dist/pypy/doc/coding-guide.html#restricted-python -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] Python

2007-02-05 Thread Paul Winkler
for lots of jobs. This isn't one of them. -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] Old hat - comparison against windows

2007-01-31 Thread Paul Davis
On Wed, 2007-01-31 at 21:35 +0100, David Olofson wrote: On Wednesday 31 January 2007 21:02, Michael Ost wrote: [...] We have a 32 sample setting (.7 msecs) in Receptor which I have yet to see in a Windows driver. And it actually works with some plugins, even a large sampler like Synthogy

Re: [linux-audio-dev] LADSPA needs wishes

2007-01-29 Thread Paul Winkler
? /relurk -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] LADSPA needs wishes

2007-01-27 Thread Paul Davis
On Sat, 2007-01-27 at 16:05 +1100, Fraser wrote: Hi All, I've been converting my old VST plugins over to LADSPA and have come across something in the api which I really miss - the inability separate the algorithmic to the displayed value of a parameter. I'm finding this inability is leading

Re: [linux-audio-dev] Sound processing objects architecture, is it possible?

2007-01-24 Thread Paul Davis
On Wed, 2007-01-24 at 16:06 +0100, Jay Vaughan wrote: At 20:08 +0100 22/1/07, Stefano D'Angelo wrote: What I'd like to work on is a sound processing architecture (LADSPA, VST, DSSI, etc.) wrapper, which hides the details of a particular implementation to audio program developers. Nice idea.

[linux-audio-dev] a new patent for us to challenge

2007-01-24 Thread Paul Davis
http://www.freshpatents.com/Low-latency-real-time-audio-streaming-dt20060406ptan20060074637.php?type=description in which Microsoft patents designs partially implemented by OSS 10 years ago and fully implemented by ALSA 5 years ago. Wrapping this up in windows API nonsense obscures the basic fact

Re: [linux-audio-dev] Sample Rate Converter Comparison

2007-01-23 Thread Paul Davis
On Tue, 2007-01-23 at 14:31 +, John Rigg wrote: On Tue, Jan 23, 2007 at 08:53:13AM +1100, Erik de Castro Lopo wrote: Hi all, SecretRabbitCode was recently included in a test of a number of commercially available sample rate converters and while it wasn't the best, it certainly

Re: [linux-audio-dev] Sample Rate Converter Comparison

2007-01-22 Thread Paul Davis
On Tue, 2007-01-23 at 08:53 +1100, Erik de Castro Lopo wrote: Hi all, SecretRabbitCode was recently included in a test of a number of commercially available sample rate converters and while it wasn't the best, it certainly didn't disgrace itself either. congrats Erik. as you said, not the

Re: [Consortium] Re: [linux-audio-user] Re: [linux-audio-dev] LAD/LAU/LAA/Consortium/...

2007-01-19 Thread Paul Davis
On Fri, 2007-01-19 at 11:54 +0100, Marc-Olivier Barre wrote: Ok, Apparently forum addicts have decided to hijack this thread though, the original question was : do you want LA* _lists_ (LIST is the keyword here, can't stress it enough) to be moved to linuxaudio.org. I have noting

Re: [linux-audio-dev] Recommended books for new audio developers

2007-01-16 Thread Paul Davis
On Tue, 2007-01-16 at 07:30 -0500, Dave Phillips wrote: Damon Chaplin wrote: What are the recommended books to read for people new to audio development? (Covering things like synthesis techniques, effects processing and basic acoustics stuff.) On the bottom of the Documentation section of

Re: [linux-audio-dev] Recommended books for new audio developers

2007-01-16 Thread Paul Winkler
ALSA, Jack, LADSPA/LV2, DSSI LASH. Damon -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] an relevant link about Vista

2007-01-15 Thread Paul Davis
On Mon, 2007-01-15 at 20:00 +0100, Richard Spindler wrote: 2007/1/15, Dave Phillips [EMAIL PROTECTED]: This link may have been posted here before now, but it bears repetition : http://www.cs.auckland.ac.nz/~pgut001/pubs/vista_cost.txt Nasty stuff planned in Redmond. It seems as

Re: [linux-audio-dev] alsa mixing

2007-01-10 Thread Paul Davis
On Mon, 2007-01-08 at 23:23 +0100, Milan Mimica wrote: Hello! We're designing a new sound subsystem for allegro game programming library, and we would like to take advantages of multiple hardware voice capabilities. very few audio interfaces have this feature anymore. most h/w makers seem

Re: [linux-audio-dev] alsa mixing

2007-01-10 Thread Paul Davis
On Wed, 2007-01-10 at 18:02 +0200, Jussi Laako wrote: Paul Davis wrote: in general, you should forget about the h/w capabilities of an audio interface. for every user that has a device with some interesting qualities, there will be 10 who do not. welcome to winmodem for audio

Re: [linux-audio-dev] Simple music sequencer/sample player (drummmachine?)

2007-01-03 Thread Paul Davis
On Wed, 2007-01-03 at 16:28 -0500, kind king knight wrote: I need a framework of a sequenced sample player. This is becouse I want to start my own project, and don't want to invent everything from scratch. Ofcourse there is lot of this kind opensource applications, but I need the simplest. -

Re: [linux-audio-dev] plugin loaders

2006-12-20 Thread Paul Davis
On Wed, 2006-12-20 at 15:43 -0800, Anthony Green wrote: I understand that LADSPA and friends specifically exclude any functionality around how to find and load plugins, but it seems that a lot can be gained by introducing some standards in this area. As a package of audio apps/plugins for

Re: [linux-audio-dev] plugin loaders

2006-12-20 Thread Paul Davis
On Thu, 2006-12-21 at 02:02 +0100, Leonard Ritter wrote: Hi Anthony, I guess most of us use the sample enumeration c code included with the LADSPA sources as starting point. This code expects a LADSPA_PATH variable to be set. As a fallback, I suppose most programmers added

Re: [linux-audio-dev] Audio Driver Sample Code

2006-12-18 Thread Paul Davis
On Sun, 2006-12-17 at 19:43 -0800, oscar si wrote: Hello: Could anyone please tell me if there are sample driver codes for PCI based sound card that are not using either alsa or oss? why would you want such a thing?

[linux-audio-dev] Re: Linux Documentation (was Re: [Consortium] Re: Linuxaudio.org staff updates)

2006-12-05 Thread Paul Winkler
to be here. A toast to the host who brought the most! For my part, I apologize that I several times proposed an interactive replacement to the static site and never delivered anything. Sometimes I miss being underemployed :-) -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] restarting jack

2006-11-22 Thread Paul Davis
On Wed, 2006-11-22 at 15:40 +0100, conrad berhörster wrote: Hello all, is there a way to restart jack out of an application, or is this the reason, why ardour need a running jackd. i want to write an application with a reinit app button and need a way to restart jackd, if it has been

Re: [linux-audio-dev] sampler instrument definition standard needed

2006-11-22 Thread Paul Coccoli
On 11/22/06, Christian Schoenebeck [EMAIL PROTECTED] wrote: Am Mittwoch, 22. November 2006 10:27 schrieb Thorsten Wilms: i'm looking for a sampler instrument file format similar to .nki, .sf2 or akai instruments. is there an open standard existing already, perhaps even accompanied by some

Re: [linux-audio-dev] Anyone to Desktop Architects Meeting 3?

2006-11-16 Thread Paul Davis
On Thu, 2006-11-16 at 18:50 +0100, Takashi Iwai wrote: Hi, is anyone interested in participating in the third Desktop Architects Meething (DAM) on December 7-8 in Beaverton near Portland, Oregon? I'm not able to attend it (I'll be in vacation in Japan exactly at that time), and hope someone

Re: [linux-audio-user] Re: [linux-audio-dev] M$/SuSE/ALSA ?

2006-11-12 Thread Paul Davis
On Sun, 2006-11-12 at 22:02 +0700, Patrick Shirkey wrote: They might pay Stephane Letz some money to port JACK though ;-) Stephane has already ported JACK to windows.

Re: [linux-audio-dev] [ANN] kbdz 0.2.0a

2006-11-08 Thread Paul Davis
On Wed, 2006-11-08 at 23:19 +0100, Elthariel wrote: Thk you for testing it. You build problem looks quite strange, is there any error message about other EV_XXX identifier missing. EV_SW is a macro defined in linux/input.h can you send me your version of the kernel and your

Re: [linux-audio-dev] OSS will be back (was Re: alsa, oss , efficiency?)

2006-11-06 Thread Paul Winkler
On Mon, Nov 06, 2006 at 01:39:43PM -0500, Lee Revell wrote: Real linux drivers reside in the mainline kernel. Out of tree stuff is is irrelevant. I don't think that's a fair blanket statement given that drivers often begin life outside the mainline kernel tree. ALSA, for example. -- Paul

Re: [linux-audio-dev] OSS will be back (was Re: alsa, oss , efficiency?)

2006-11-06 Thread Paul Davis
On Mon, 2006-11-06 at 16:38 -0500, Paul Winkler wrote: On Mon, Nov 06, 2006 at 01:39:43PM -0500, Lee Revell wrote: Real linux drivers reside in the mainline kernel. Out of tree stuff is is irrelevant. I don't think that's a fair blanket statement given that drivers often begin life

Re: [linux-audio-dev] Anyone else ever run a THD test on Jamin?

2006-11-05 Thread Paul Winkler
(no mids, no highs) there was some easily audible distortion that I couldn't get rid of. When turning off the solo switch, it either went away or was masked by the mids and highs. Not sure which version of JAMIN, this was early 2006 and I haven't used it lately. -- Paul Winkler http

Re: [linux-audio-dev] [ANN] Faust Online

2006-11-03 Thread Paul Coccoli
On 11/3/06, Orlarey Yann [EMAIL PROTECTED] wrote: Paul Coccoli a écrit : On 11/2/06, Orlarey Yann [EMAIL PROTECTED] wrote: Paul Coccoli a écrit : The alsa-gtk build does not run on my FC4 box, because it requires libpangocairo-1.0.so.0. alsa-gtk applications are build against gtk+-2.0

Re: [linux-audio-dev] Re: Re: alsa, oss , efficiency?

2006-11-03 Thread Paul Winkler
delurk regarding portability... portaudio? /delurk -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] [ANN] Faust Online

2006-11-03 Thread Paul Coccoli
On 11/3/06, Orlarey Yann [EMAIL PROTECTED] wrote: Paul Coccoli a écrit : Here's pkg-config on my FC4: [EMAIL PROTECTED] ~]$ pkg-config --libs gtk+-2.0 -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangoxft-1.0 -lpangox-1.0 -lpango-1.0 -lgobject-2.0 -lgmodule-2.0 -ldl -lglib

Re: [linux-audio-dev] [ANN] Faust Online

2006-11-03 Thread Paul Coccoli
On 11/3/06, Orlarey Yann [EMAIL PROTECTED] wrote: Not to drag things out, but the problem isn't really with FC4. Anyone who doesn't have libpangocairo installed will not be able to run those binaries. Period. You said the compiler server isn't linking the binaries against that lib, but I

Re: [linux-audio-dev] [ANN] Faust Online

2006-11-02 Thread Paul Coccoli
On 11/2/06, Orlarey Yann [EMAIL PROTECTED] wrote: Dear All, A completely rewritten Faust website is available at http://faudiostream.sourceforge.net or at http://faust.grame.fr . Its main feature is the possibility to use the Faust compiler online, via the web pages, without having to install

Re: [linux-audio-dev] alsa, oss , efficiency?

2006-11-02 Thread Paul Davis
On Thu, 2006-11-02 at 20:58 +0100, Jens M Andreasen wrote: On Thu, 2006-11-02 at 10:33 +0100, lemmel wrote: Lots of people have been wondering, but this is the meat I think: and even randomly truncated, The difference in behaviour /might/ arise from differences in philosophy of

Re: [linux-audio-dev] [ANN] Faust Online

2006-11-02 Thread Paul Coccoli
On 11/2/06, Orlarey Yann [EMAIL PROTECTED] wrote: Paul Coccoli a écrit : The alsa-gtk build does not run on my FC4 box, because it requires libpangocairo-1.0.so.0. alsa-gtk applications are build against gtk+-2.0 which requires pangocairo-1.0. Have you gtk+-2.0 installed ? Yes, I have gtk

Re: [linux-audio-dev] Re: alsa, oss , efficiency?

2006-11-01 Thread Paul Davis
On Wed, 2006-11-01 at 22:32 +0100, lemmel wrote: Well, all the files, that I will play, will have the same charactistics, do I really need to bother with an hi-level API [2] ? [1] I noticed that a lot of applications still use OSS, and I thought it was because the migration to ALSA was

Re: [Jackit-devel] [linux-audio-dev] Re: Multiplexing 4 channels on SPDIF

2006-10-30 Thread Paul Davis
On Mon, 2006-10-30 at 18:52 +0100, Fons Adriaensen wrote: - hardware presents itself as 2 * 96 kHz - user wants to see a device with 4 * 48 kHz. interestingly, ADAT devices do the opposite to get to SR's above 48kHZ: - hardware runs as N * 48 kHz channels - data is

Re: [linux-audio-dev] best option for audiovisual synchrony

2006-10-20 Thread Paul Davis
On Fri, 2006-10-20 at 22:44 +0200, Tim Goetze wrote: [Fons Adriaensen] Input the vertical video sync signal via the audio card and analyse its timing in terms of audio samples (e.g. using a DLL). This will enable you to predict where the next sync will be in the audio input. Back in the

Re: [linux-audio-dev] Paper on dynamic range compression

2006-10-17 Thread Paul Davis
On Tue, 2006-10-17 at 11:56 +0200, Fons Adriaensen wrote: 'THE SAMPLES ARE NOT THE SIGNAL'. The real peak level of a signal when converted to the analog domain can be several dB above that of the highest sample. indeed. there are people who are coming to believe that this error is responsible

Re: [linux-audio-dev] Paper on dynamic range compression

2006-10-17 Thread Paul Winkler
, because the compressor is effectively trying to increase the gain at the end of every half-cycle. This is considered a case of giving the engineer enough rope to hang himself, and hoping that he uses it responsibly. See http://www.fmraudio.com/FAQ.htm#question4 for more. -- Paul Winkler http

Re: [linux-audio-dev] Paper on dynamic range compression

2006-10-05 Thread Paul Winkler
microseconds at 44.1 kHz? I don't think there are any analog compressors that react anywhere near that fast. Don't worry about it :-) -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] Re: very nice looking HW

2006-09-06 Thread Paul Davis
On Wed, 2006-09-06 at 22:11 +0100, John Rigg wrote: Hmm. The manufacturer's web page describes it as a 32 channel interface but I could only count 16 :(

Re: [linux-audio-dev] Re: very nice looking HW

2006-09-06 Thread Paul Davis
On Wed, 2006-09-06 at 22:11 +0100, John Rigg wrote: Hmm. The manufacturer's web page describes it as a 32 channel interface but I could only count 16 :( many companies count input + output separately. RME, for example.

[linux-audio-dev] i'd like my software back (ICube MIDI sensor kit)

2006-08-30 Thread Paul Davis
several years ago, i wrote an system to control an ICube MIDI Sensor interface, described here: http://equalarea.com/paul/icube unfortunately, the actual software has gone missing, even google cannot find it. if anyone has a copy of the software, i'd like to get a copy of it.

Re: [linux-audio-dev] job offer... [Fwd: Algorithm Development Manager (Full-Time)]

2006-08-25 Thread Paul Davis
On Fri, 2006-08-25 at 17:02 +, carmen wrote: i guess everyone has to pay the rent somehow...but do a indeed/simplyhired search for linux audio, or similar. and check out the names of the top 10 entriesSony, Avid, Qualcomm. id rather work at starbucks than give them more intellectual

Re: [linux-audio-dev] Linux kernel HZ, audio latency and how to measure?

2006-08-19 Thread Paul Davis
On Sat, 2006-08-19 at 05:16 -0700, Stephen Cameron wrote: On Fri, 2006-08-18 at 20:39 -0400, Stephen Sinclair wrote: Audio doesn't use setitimer()-driven sleeping. It's interrupt-driven, not timer-driven. Yes, the driver is interrupt driven, but the driver interrupt handler is only

Re: [linux-audio-dev] Greenphone

2006-08-16 Thread Paul Coccoli
On 8/16/06, carmen [EMAIL PROTECTED] wrote: i assume this Xscale is more or les x86.. definitely be interested int hese if theyre priced reasonably. Nope: ARM. See http://en.wikipedia.org/wiki/Intel_XScale

Re: [linux-audio-dev] 2.6.15.7-rt

2006-08-15 Thread Florian Paul Schmidt
On Sun, 13 Aug 2006 15:07:04 +0200 Dominique Michel [EMAIL PROTECTED] wrote: From http://www.jacklab.net/phpBB2/viewtopic.php?t=103 : Model 1: Want to start a synth from time to time SUSE Standard kernel with PAM from Rui (also available in the jacklab repository) Model 2 Want to work

Re: [linux-audio-dev] 2.6.15.7-rt

2006-08-15 Thread Florian Paul Schmidt
On Tue, 15 Aug 2006 10:02:25 +0200 Florian Paul Schmidt [EMAIL PROTECTED] wrote: Given that you have setup rlimtis and rt lsm in equivalent ways, there must be no measurable difference in achievable latencies. If you do measure differences, some other factor of your setup differs, too. Let me

Re: [linux-audio-dev] scaling jackinput to dbSPL

2006-08-15 Thread Paul Davis
The db inside jack are dbFS with a maximum possible signal of 0 db. Now, both jacqeq and jackmix give you a maximum conrol level at +6dB. It mean at +6dB in those EQ is equal to 0dbFS in jack. there are no dB units inside of JACK. some JACK applications use dBFS, that much is true. however, it

Re: [linux-audio-dev] 2.6.15.7-rt

2006-08-13 Thread Florian Paul Schmidt
On Sun, 13 Aug 2006 12:46:35 +0200 Dominique Michel [EMAIL PROTECTED] wrote: A rt kernel will be of almost no use if you don't fix the priorities. You can use PAM-rlimits or the realtime-lsm module for that, and you have to be in the audio group. The audio group will have a higher priority

[linux-audio-dev] New version of extreme-time stretching (with real-time support)

2006-08-12 Thread Paul
: - support for realtime stretching (as a player) - ogg vorbis support for input - improved the stretching algorithm and now it can do unlimited stretching - other Paul __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam

Re: [linux-audio-dev] Re: Akai's MPC4000 Sampler/Workstation Open Source Project

2006-07-27 Thread Paul Davis
Someone called illiac wrote: Linux as it is ordinarily distributed is not a small-footprint real- time operating system. You will notice that your cell phone does not run Linux. There is a reason for that. i am sure nokia will be interested in your reason, since they don't seem to have

Re: [linux-audio-dev] light C++ set for WAV

2006-07-26 Thread Florian Paul Schmidt
On Wed, 26 Jul 2006 15:07:13 +1000 Erik de Castro Lopo [EMAIL PROTECTED] wrote: My own rather feeble first attempt is here: http://www.mega-nerd.com/tmp/sndfile.hh but I am not a fan nor a great user of C++. The wrapper should really be written by someone with a love for the

Re: [linux-audio-dev] light C++ set for WAV

2006-07-26 Thread Florian Paul Schmidt
On Wed, 26 Jul 2006 11:26:00 +0100 Chris Cannam [EMAIL PROTECTED] wrote: vote++, i never cared for the more java style methodName convention. I think if your class is named LikeThis, then your method should be named likeThat (Java-style). If your method is named like_this, then your

Re: [linux-audio-dev] light C++ set for WAV

2006-07-26 Thread Paul Coccoli
On 7/26/06, Erik de Castro Lopo [EMAIL PROTECTED] wrote: Taybin Rutkin wrote: I prefer the unix-y open_read(). I don't think method names should ever start with a capital, unless it's the ctor or dtor. I'm actually tending towards openRead(). I vote for Java (SmallTalk?) style too. I

Re: [linux-audio-dev] Popular LADSPA plug-ins to depend on?

2006-07-26 Thread Paul Coccoli
On 7/26/06, Steve Harris [EMAIL PROTECTED] wrote: On Wed, Jul 26, 2006 at 03:41:24PM +0200, Richard Spindler wrote: 2006/7/26, Thorsten Wilms [EMAIL PROTECTED]: You should not depend on particular plugins, if the app could work without just fine. Hasn't Debian a 'Recommends' thing going for

Re: [linux-audio-dev] [OT] Language fanboys [was Re: light C++ set for WAV]

2006-07-20 Thread Paul Coccoli
On 7/20/06, Loki Davison [EMAIL PROTECTED] wrote: On 7/20/06, Erik de Castro Lopo [EMAIL PROTECTED] wrote: Loki Davison wrote: There are quite a few c++ 'not fans' on LAD. C and python all the way ;) I used to be a Python fan but for anything larger than a couple of hundred lines I now

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

2006-07-14 Thread Paul Davis
On Fri, 2006-07-14 at 13:27 +0200, conrad berhörster wrote: Hello maarten and dmitry and the rest, thanks for the quick answers. Faster means, that the workerthread is called more often than the jackthread no, the workerthread should *not* be called more often than the jackthread. either

Re: [linux-audio-dev] light C++ set for WAV

2006-07-13 Thread Paul Davis
On Thu, 2006-07-13 at 21:11 +0200, Dirk Jagdmann wrote: Libsndsfile is plain C, but will do what you want without any fuss. You could write a WAV specific C++ wrapper on top of this in a few minutes. libsndfile is superb, but sometimes you don't want to link against external libraries in

Re: [linux-audio-dev] memory-mapped wav files

2006-07-13 Thread Paul Davis
On Fri, 2006-07-14 at 00:56 +0400, Dmitry Baikov wrote: If you need to stream a file, mmap'ed variant will eat memory up to file size. Given large enough file, it will eat all you memory and then will begin to page out unused portions of the file. Of course, details on when and where will vary

Re: [linux-audio-dev] light C++ set for WAV

2006-07-13 Thread Paul Davis
On Fri, 2006-07-14 at 06:48 +1000, Erik de Castro Lopo wrote: but I am not a fan nor a great user of C++. The wrapper should really be written by someone with a love for the language. LOL! that's pretty great. not a fan translates in real world terms into one of LAD's most persistent critics of

Re: [linux-audio-dev] realtimeness: pthread_cond_signal vs. pipe write

2006-07-12 Thread Paul Coccoli
On 7/11/06, Stefan Westerfeld [EMAIL PROTECTED] wrote: Since we've been comparing different methods here, I thought I might as well write a benchmark, to look at the performance, too. I wrote a little test which repeatedly switches between two threads, which wakeup eachother using a pipe, cond

Re: [linux-audio-dev] realtimeness: pthread_cond_signal vs. pipe write

2006-07-11 Thread Paul Davis
On Tue, 2006-07-11 at 17:06 -0400, Dave Robillard wrote: Semaphores seem about perfect for this to me.. am I missing something? Why doesn't anyone ever recommend them? i think mostly because in 2000-2001, they were very slow.

Re: [linux-audio-dev] Set rate return zero

2006-07-09 Thread Florian Paul Schmidt
On Sun, 09 Jul 2006 14:03:50 +0200 Jens M Andreasen [EMAIL PROTECTED] wrote: On Sun, 2006-07-09 at 12:06 +0700, Huu Phuoc wrote: Hi everybody! I am a newbie to alsa programming. I am trying to follow the article which locates at http://www.suse.de/~mana/alsa090_howto.html to develop a

Re: [linux-audio-dev] Converting a 24bit sample to 16bit

2006-07-08 Thread Paul Davis
On Sat, 2006-07-08 at 13:34 +0100, James Courtier-Dutton wrote: Hi, Is there a standard way of converting a 24bit sample to 16bit? I ask because I think that in different scenarios, one would want a different result. 1) scale a 24bit value to a 16bit by simple multiplication by a fraction.

Re: [Jackit-devel] [linux-audio-dev] What valgrind says

2006-07-05 Thread Paul Coccoli
On 6/26/06, Jack O'Quin [EMAIL PROTECTED] wrote: OK, I see it now. All those uninitialized write complaints are due to the fact that jack_request_t is a union. Most requests don't need (or want) to fill in all the bytes, just the ones that matter for that RequestType. There are jack_request_t

Re: LinuxSampler license, was Re: [linux-audio-dev] fst, VST 2.0, kontakt

2006-07-04 Thread Paul Davis
On Tue, 2006-07-04 at 07:48 +0200, Andreas Kuckartz wrote: I have a simple question: Which companies are (or have been) distributing LinuxSampler as part of a package also including hardware and/or proprietary software? as noted liontracs do, and that means that is incumbent upon me to

Re: [linux-audio-dev] [ANN] Aqualung 0.9beta5 released

2006-07-03 Thread Florian Paul Schmidt
On Mon, 3 Jul 2006 12:33:11 +0200 Alfons Adriaensen [EMAIL PROTECTED] wrote: On Fri, Jun 30, 2006 at 11:53:01AM +0200, Tom Szilagyi wrote: Aqualung: Music Player for GNU/Linux Release 0.9beta5 This looked like the player I've been wanting for some

Re: LinuxSampler license, was Re: [linux-audio-dev] fst, VST 2.0, kontakt

2006-07-03 Thread Paul Davis
On Mon, 2006-07-03 at 02:26 +0700, Patrick Shirkey wrote: If they really want to get people to give money then they should just make it so that you have to pay or contribute code/time for a while to get access to the newest downloads from their site. Keep the stable version far enough

Re: LinuxSampler license, was Re: [linux-audio-dev] fst, VST 2.0, kontakt

2006-07-03 Thread Paul Davis
On Tue, 2006-07-04 at 10:22 +1000, Ryan Heise wrote: On Mon, Jul 03, 2006 at 05:55:11PM -0400, Paul Davis wrote: both guesses are wrong. i think it will be precise enough to say that a company expressed what appeared to be a serious interest in leveraging the existence of LS for its own

[linux-audio-dev] Re: [linux-audio-user] [ANN] Aqualung 0.9beta5 released

2006-06-30 Thread Florian Paul Schmidt
On Fri, 30 Jun 2006 11:53:01 +0200 Tom Szilagyi [EMAIL PROTECTED] wrote: Aqualung: Music Player for GNU/Linux http://aqualung.sf.net Release 0.9beta5 Damn you beat us to it. See these two mailing list posts:

Re: [linux-audio-dev] fst, VST 2.0, kontakt

2006-06-29 Thread Paul Davis
On Thu, 2006-06-29 at 18:35 -0400, Forest Bond wrote: I've been looking at fst, and was going to package it for Ubuntu. you cannot legally package FST. please do not do this. its not likely that steinberg will come after you, and neither torben nor I are likely to either, but its a violation of

Re: [linux-audio-dev] Re: [linux-audio-user] [admin] linux-audio-* maintainer wanted...

2006-06-29 Thread Paul Brossier
understand well, it could be a good idea to have more than one moderators. preferably in different time zones... greetings, Paul

Re: [linux-audio-dev] What valgrind says

2006-06-24 Thread Paul Davis
On Sat, 2006-06-24 at 23:26 +0100, [EMAIL PROTECTED] wrote: Hi peeps. I've just been running an app through valgrind and I'm getting a few of these: ==11955== Syscall param write(buf) points to uninitialised byte(s) ==11955==at 0x4D51BDB: (within /lib64/libpthread-2.4.so) ==11955==

Re: [linux-audio-dev] LV2 update

2006-06-20 Thread Paul Davis
On Tue, 2006-06-20 at 15:26 +0100, Steve Harris wrote: On Tue, Jun 20, 2006 at 09:39:30 -0400, Dave Robillard wrote: I can make the plugin validating host check the latency primitively (eg run a single sample through the buffer) and fail if it isn't reported correctly, so we're sure the

[linux-audio-dev] libsndfile stuff

2006-06-20 Thread Paul Davis
svn should once again have working (better than before the libsndfile changes) support for tape tracks. what a total pain this has been, but i think the end result is worth it - a standard library shared with other apps. let me know if you have issues with it. it may not work with existing

Re: [linux-audio-dev] LADSPA Extension for Extra GUI Data

2006-06-19 Thread Paul Davis
On Tue, 2006-06-20 at 00:57 +0200, Fons Adriaensen wrote: It's not beyond the realms of the possible to describe the mathematical relationship between the octave pitch unit and Hz, but it's probably excessive. A well-designed set of tags like the ones you show above would probably solve

Re: [linux-audio-dev] Re: Writing LADSPA plugins in high level language?

2006-06-15 Thread Paul Davis
On Thu, 2006-06-15 at 16:32 +0900, David Cournapeau wrote: I am in no way as experienced as most people on this list for audio programming, but I don't see why C/C++ should be the only way to write software to handle audio stream, neither do I see why GC would be the only useful feature. For

Re: [linux-audio-dev] Writing LADSPA plugins in high level language?

2006-06-15 Thread Paul Winkler
On Thu, Jun 15, 2006 at 12:02:34PM +0200, Dominique Michel wrote: On Wed, Jun 14, 2006 at 10:48:54AM -0400, Paul Winkler wrote: Pyrex is good for making faster python libraries, which is a great thing, but it won't help with the problem that you really don't want to be running a python

Re: [linux-audio-dev] Writing LADSPA plugins in high level language?

2006-06-15 Thread Paul Winkler
action happening somewhere that I'm not aware of? I was always disappointed that there didn't seem to be a lively community around saol. -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] Jack's IPC overhead

2006-06-15 Thread Paul Davis
On Thu, 2006-06-15 at 10:49 -0700, Michael Ost wrote: As we looked over the Jack docs, it seems like a natural for supporting this kind of architecture. We would break out our VST support into a separate app and connect them to our Host app via Jack. This seems to be how FST is implemented and

Re: [linux-audio-dev] Writing LADSPA plugins in high level language?

2006-06-14 Thread Paul Winkler
libraries, which is a great thing, but it won't help with the problem that you really don't want to be running a python interpreter inside a realtime dsp system. -- Paul Winkler http://www.slinkp.com

Re: [linux-audio-dev] [ANN] GLASHCtl 0.2

2006-06-13 Thread Florian Paul Schmidt
On Tue, 13 Jun 2006 18:11:05 +0200 Lars Luthman [EMAIL PROTECTED] wrote: You should maybe add that this will only work when jack is already started or JACK_START_SERVER is set in the environment. Hm, true. I never even considered that option. Is anyone still starting jackd manually? Yah,

Re: [linux-audio-dev] [ANN] GLASHCtl 0.2

2006-06-12 Thread Florian Paul Schmidt
On Mon, 12 Jun 2006 13:56:09 +0200 Lars Luthman [EMAIL PROTECTED] wrote: To use the applet, simply run the program. If you have a standards-compliant system tray on your desktop a small LASH icon (a cardboard box with a soundwave on it) should appear there. It is probably insensitive (greyed

Re: [linux-audio-dev] realtimeness: pthread_cond_signal vs. pipe write

2006-06-07 Thread Paul Davis
On Wed, 2006-06-07 at 11:12 +0300, Jussi Laako wrote: Paul Davis wrote: writing to a pipe is not 100% RT safe, but if the pipe is created in a shm filesystem, its as close to it as you will get without ... Nowadays, there's also available a very good interface from POSIX RT extensions

Re: [linux-audio-dev] realtimeness: pthread_cond_signal vs. pipe write

2006-06-05 Thread Paul Davis
On Mon, 2006-06-05 at 01:21 +0200, Stefan Westerfeld wrote: Hi! I am trying to notify a high priority (nice -20 or nice -19) thread from a realtime thread (from a jack callback to be precise). Of course I want the realtime thread to not block, but I want the high priority thread to react

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