Re: [linux-audio-dev] XRuns and Low-Latency

2001-08-17 Thread Jussi Laako
it was complaining it didn't yet have 0.9 support for ICE1712). - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Resampling

2001-08-17 Thread Jussi Laako
somewhat when used with wisdom or measure mode. AMD CPU's are wery smooth. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] IIR dc-buildup

2001-08-17 Thread Jussi Laako
Niels A. Moseley wrote: Does this DC buildup occur in direct-form IIR filters or do you use a serial biquad structure? I can't remember and couldn't find the source code, it's been some time ago (3-4 years)... - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB

Re: [linux-audio-dev] DSP resources

2001-09-07 Thread Jussi Laako
Juhana Sadeharju wrote: I have a DSP library under a work. One task is to write music-dsp codes in C for real-time use. Have you noticed my project at http://libdsp.sf.net, just wondering how much overlap there is... - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD

Re: [linux-audio-dev] huge latency peaks with 2.4.10-smp kernel

2001-10-18 Thread Jussi Laako
interested about network/disk throughput. VM behaviour is awful, it's easy to create local DOS attack using that feature. FreeBSD seems to behave better. No one has been willing to add device specific bandwidth limits / requirements... I hate when some non-critical device causes dropouts. - Jussi Laako

Re: [linux-audio-dev] huge latency peaks with 2.4.10-smp kernel

2001-10-19 Thread Jussi Laako
interrupts could be fed to CPU #1 while everything else is handled by CPU #0. Kernel could also disable badly behaving driver. Once too long in driver and *bang* driver is unloaded and device disabled. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B

Re: [linux-audio-dev] huge latency peaks with 2.4.10-smp kernel

2001-10-20 Thread Jussi Laako
and/or making sure users know the implications. Problem is also to find situations and drivers that behave badly. One good example of very problematic driver is Intel's own EtherExpress/100 driver (e100). I've been getting alot of problems with that. - Jussi Laako -- PGP key fingerprint

Re: [linux-audio-dev] multitrack and editor separate?

2001-10-28 Thread Jussi Laako
on that field. Now I'm only missing Creamware Pulsar II... :) - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Converting float to int

2001-10-29 Thread Jussi Laako
! for the conversion, but can't see much difference between implementations, because the stuff is somewhere around 0.1% of CPU usage. Time taken by the conversion is thus insignificant... - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] multitrack and editor separate?

2001-10-30 Thread Jussi Laako
thing as one. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] intel signal processing lib

2001-11-10 Thread Jussi Laako
Jussi Laako wrote: --- 8 --- libDSP (radix-4): --- 8 --- Athlon/1000: 224 us / 1024 point complex FFT (single precision) 139 us / 1024 point complex FFT (double precision) 41 us / 1024 point real FFT (single precision) 410 us / 8192 point real FFT (single precision) PIII/866: 1623

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-16 Thread Jussi Laako
realtime operating systems. I would like to see all the related priority inheritance stuff with message queues as is in QNX. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-16 Thread Jussi Laako
high quality mic capsules to ear plugs and put those into your ears and record to DAT. Now you have recorded _real_ 3D soudscape. Listen with headphones. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-17 Thread Jussi Laako
or five versions of the API. Now my software supports three audio APIs, OSS and ALSA 0.5 0.9. Making software compatible with even more APIs will make it more complex and that's bad. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-18 Thread Jussi Laako
you to use alsa-lib :) And where is _that_ non-alsa-lib interface documented properly!? ;-) - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-18 Thread Jussi Laako
interfaces to other platforms is not simple as recompile even if you write software carefully to be portable. Supporting few other operating systems would prove the system to be really portable and keep unportable things out. Btw. how much testing has ALSA got under Linux/PPC? - Jussi Laako -- PGP key

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-19 Thread Jussi Laako
use Windows for making music because there is no suitable software available. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-20 Thread Jussi Laako
David Gerard Matthews Jr. wrote: Obviously not, if you insist on using OSS. I'll gladly switch to ALSA when there's something that matches Cakewalk SONAR. But I also strongly believe that such program is possible to write using OSS also. - Jussi Laako -- PGP key fingerprint: 161D 6FED

Re: [linux-audio-dev] Equalizer(was Still blabla...) and more

2001-12-20 Thread Jussi Laako
on a logarithmic scale, f.i. one octave up corresponds to a doubling in frequency. Yes, this part is the most problematic. I'm still tuning my response generation algorithm for the FFT based eq. Btw. CoolEdit (on Windows) uses FFT filters/eq's. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-21 Thread Jussi Laako
be taken to create appropriate abstraction layers for accessing operating system specific services/functions. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Latencytest results

2001-12-21 Thread Jussi Laako
://www.pp.song.fi/~visitor/latencytest2/3x256.html There is nasty problem with disk IO (cache) which I think is fixed in 2.4.17 so I'm not going to hack 2.4.16. - Jussi Laako - 8 -- /dev/hdb: multcount= 16 (on) I/O support = 1 (32-bit) unmaskirq= 1 (on) using_dma= 1

Re: [linux-audio-dev] Still I cannot understand why...

2001-12-22 Thread Jussi Laako
to it. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Creamware Pulsar

2002-01-12 Thread Jussi Laako
Joachim Backhaus wrote: Yes, if for example Britney Spears says she uses Linux for her album EVERYTHING would change!!! :D At least I would probably change to FreeBSD... :) - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP

[linux-audio-dev] [PATCH] Additions to full lowlatency patch

2002-01-12 Thread Jussi Laako
system. Best regards, - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers diff -ur linux-2.4.17-lowlatency/drivers/char/drm/mga_dma.c linux-2.4.17-lowlatency-jl/drivers/char/drm/mga_dma.c --- linux-2.4.17-lowlatency

[linux-audio-dev] Re: [PATCH] Additions to full lowlatency patch

2002-01-12 Thread Jussi Laako
critical. That's why I left the initialization parts out of scope. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

[linux-audio-dev] Re: [PATCH] Additions to full lowlatency patch

2002-01-12 Thread Jussi Laako
in 8139too nor the DRM drivers. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers diff -urN linux/drivers/char/drm/mga_dma.c linux-2.4.17-jl7-ll/drivers/char/drm/mga_dma.c --- linux/drivers/char/drm/mga_dma.cWed Aug 8 19:42

[linux-audio-dev] 2.4.x, patches and latencies

2002-01-13 Thread Jussi Laako
patch - Rik's rmap-11b - Ingo's O(1)-H6 - Andrew's full lowlatency - My additions to lowlatency Now I'm quite happy with this! - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

[linux-audio-dev] Re: 2.4.x, patches and latencies

2002-01-13 Thread Jussi Laako
Roberto Nibali wrote: Could you please post this as a unified diff against 2.4.17 on your webpage, so others can test it too? OK, it's now available at: http://www.pp.song.fi/~visitor/dlbins/2.4.17-jl7-ll.patch.bz2 - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B

Re: [linux-audio-dev] open-source like hardware

2002-01-15 Thread Jussi Laako
-synced input channels and at least 16 DSP processors. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] open-source like hardware

2002-01-15 Thread Jussi Laako
ice1712. I even considered to do so. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] open-source like hardware

2002-01-15 Thread Jussi Laako
because they have to make the masks. After that it doesn't matter much if you buy 1 or 10 or even 100 boards. Depending on size of the board as they have to produce one or more about 50cm x 100cm boards with N of your boards. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE

Re: [linux-audio-dev] open-source like hardware

2002-01-16 Thread Jussi Laako
, it wasn't a group of hobbyists. But it could be used by group of hobbyists instead of M-Audio or Terratec. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] open-source like hardware

2002-01-16 Thread Jussi Laako
). 6 channels isn't much and that doesn't have much in common with my app, except complex convolution (which is only a very small part of it). My 1 GHz athlon has 100% CPU load with only a tiny fraction of usual workload. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD

Re: [linux-audio-dev] open-source like hardware

2002-01-16 Thread Jussi Laako
chips, but we could possibly make the code cross-DSP compatible. Hmm, unless we create some daughter card architecture to isolate the pincompatibility issues to separate small modules. This is more difficult to design well, but I think it would be great to have completely modular system. - Jussi

[linux-audio-dev] Re: 2.4.x, patches and latencies

2002-01-19 Thread Jussi Laako
Jussi Laako wrote: Roberto Nibali wrote: Could you please post this as a unified diff against 2.4.17 on your webpage, so others can test it too? I made a web page for my kernel patch combinations. Aimed primarily for low latency use. http://www.pp.song.fi/~visitor/linux/ Latest 2.4.17

Re: [linux-audio-dev] ALL RIGHT!! linux support comes first!!

2002-01-23 Thread Jussi Laako
Paul Davis wrote: Initially, Final Scratch will only be available for Linux and BeOS operating systems running on an Intel compatible CPU. A Mac version is planned. That tool looks really neat and runs on right platform!-) - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2

Re: [linux-audio-dev] libsndfile (was Re: IP concerns)

2002-02-10 Thread Jussi Laako
Christophe Baillon wrote: I am writing an Ada 95 binding of libsndfile, based on version 0.0.27 Is the API will change for the next release ? Great! Could you please announce it here when it completes? - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216

Re: [linux-audio-dev] libsndfile (was Re: IP concerns)

2002-02-10 Thread Jussi Laako
Erik de Castro Lopo wrote: In terms of completeness, what are the file formats that people would like to see in libsndfile but aren't currently supported? Ogg and FLAC would be nice as optional configure -options. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE

Re: [linux-audio-dev] MMX, SSE, SSE2, 3DNOW

2002-02-17 Thread Jussi Laako
Richard Guenther wrote: Btw, querying would be not enough, but instead having multiple objects for each subarchitecture would be necessary - or autodetection of CPU capability inside the plugin. Just use cpuid instruction and switch to correct code block accordingly. - Jussi Laako

Re: [linux-audio-dev] MMX, SSE, SSE2, 3DNOW

2002-02-18 Thread Jussi Laako
of instructions the plugin uses? I think it's plugins job to detect support and select correct algorithm. Every plugin that has 3DNow or similar support should have generic fallback code. IMO... :) - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B

Re: [linux-audio-dev] MMX, SSE, SSE2, 3DNOW

2002-02-18 Thread Jussi Laako
and AMD CPU's are still 3-10 times faster on FPU (dunno about P4 with P4 code). My handwritten Enh3DNow code is still 10 times faster on AMD Athlon (Thunderbird) than same code written in C optimized by Intel's compiler running on P3 (Tualatin) at same clock frequency. - Jussi Laako -- PGP

Re: [linux-audio-dev] The intel C compiler

2002-02-18 Thread Jussi Laako
with -Wall -Werror is almost paranoid enough combination. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] The intel C compiler

2002-02-20 Thread Jussi Laako
Michael J McGonagle wrote: Ok, would I be stupid in asking if the Intel compiler's code will run on an AMD processor? Or do they do something to make it specific to the Intel series? Yes it does and runs faster than on equivalent Intel CPU. - Jussi Laako -- PGP key fingerprint

Re: [linux-audio-dev] Emagic EMI 2I6 drivers

2002-03-08 Thread Jussi Laako
tapio laxström wrote: Linux kernel drivers for Emagic EMI 2|6 low latency USB audio interface can now be downloaded here: Great to have Linux support for USB audio devices! Those are nice for use with laptop. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD

Re: [linux-audio-dev] ALSA vs OSS/free

2002-03-10 Thread Jussi Laako
then it should be in kernel. Otherwise application should be responsible of the format conversion (like in ASIO). How the application does the conversion doesn't matter, it probably would be in some common library. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB

Re: [linux-audio-dev] ALSA vs OSS/free

2002-03-10 Thread Jussi Laako
? (Again, I'd I believe there is need to stop the kernel bloat with large number of drivers and it's easier for driver developers not to be forced to sync with kernel release cycle. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP

Re: [linux-audio-dev] ALSA vs OSS/free

2002-03-10 Thread Jussi Laako
Erik de Castro Lopo wrote: Talking to hardware is something that should be high priority while data conversion shouldn't be. You should be able to prioritize drivers also. It's usually more important to go with audio driver than to spend long time in serial driver... ;) - Jussi

Re: [linux-audio-dev] ALSA vs OSS/free

2002-03-10 Thread Jussi Laako
with try_to_wake_up(). I'm trying to find and fix the bottleneck but haven't succeeded yet. I see about 50 ms worst case latencies with pthread_cond_*(). - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] ALSA vs OSS/free

2002-03-10 Thread Jussi Laako
heard... ;-) WinNT driver model is awful and usually there are loads of unnecessary floating point stuff done in the drivers. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] ALSA vs OSS/free

2002-03-11 Thread Jussi Laako
Paul Winkler wrote: Just to quibble: IIRC you can sync multiple Delta 1010s. At least 2 (for 16 analog I/O) and maybe 3 (for 24 analog I/O). Windows driver supports syncing of 4 cards, haven't tried that though... - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B

Re: [linux-audio-dev] those latency numbers

2002-03-22 Thread Jussi Laako
Paul Davis wrote: 100.0% of samples 1.4m Yowza! I mean, I knew it was good - I didn't know it was *that* good! Even better: this is *with* IDE drives under some level stress (but no X Windows). I get 1.7 ms with IDE and X11 (patched DRM drivers). - Jussi Laako -- PGP

Re: [linux-audio-dev] Cubic and n-points interpolation

2002-03-22 Thread Jussi Laako
Nasca Octavian Paul wrote: Where can I find algorithms to make cubic, n-point and other types of interpolations? GNU Scientific Library aka GSL. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] time-stretching filters (was: LADSPA Specs)

2002-05-11 Thread Jussi Laako
resampling or pitch shifting, or both. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Audiotrak cards

2002-05-20 Thread Jussi Laako
. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Low latency and X11 Direct Rendering

2002-06-09 Thread Jussi Laako
. Original motivation for the patch set was to create kernel that is able to run my signal analysis software properly under full load. It does heavy DSP operations with 8-32 channels of audio and also heavy network and graphics load. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92

Re: [OT] RE: Latency [linux-audio-dev] RFC: API for audio across network - inter-host audio routing

2002-06-14 Thread Jussi Laako
of the sound (and ever more with quicker melodies). But maybe it's just because I'm too used to the real thing. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Question: A compact portable DSP library

2002-07-06 Thread Jussi Laako
[EMAIL PROTECTED] wrote: Does anyone knows a compact and portable DSP library (preferably open source). I need it to run on ARM or MIPS target boards withe embedded linux for voice compressions and pther telecom functions. http://libdsp.sf.net ? - Jussi Laako -- PGP key

Re: [linux-audio-dev] (not so low) low latency - acpi, dri, proc

2002-08-26 Thread Jussi Laako
. No problems here with 2.4.19-jl series... Steady at 0.9 ms when using 128 byte buffers with ENS1371. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] (not so low) low latency - acpi, dri, proc

2002-08-26 Thread Jussi Laako
make the graphs available. I think software raid driver needs some work to lower it's latency. Current -ll patch doesn't include anything for it, if I remember correctly. - Jussi Laako -- PGP key fingerprint: 161D 6FED 6A92 39E2 EB5B 39DD A4DE 63EB C216 1E4B Available at PGP keyservers

Re: [linux-audio-dev] Re: Shared memory

2003-07-13 Thread Jussi Laako
explanation. I haven't got any problems with shared memory, but afterall, I don't use the SystemV method (shm* functions) because it sucks. I think the SystemV IPC stuff sucks as whole. I like to use the real POSIX way.. :) -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Re: Shared memory

2003-07-16 Thread Jussi Laako
and second for the data, thus the header stuff is protected from the data. See also pthread PSHARED flag, which seems to be supported in NPTL (included in RH9) but not supported under old LinuxThreads. Works also under Solaris 8/9. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] SNDCTL_DSP_CHANNELS problem setting to mono

2003-07-19 Thread Jussi Laako
) bytes -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Re: Shared memory

2003-07-25 Thread Jussi Laako
should be defined volatile. 2) compiler doesn't know anything about processes or IPC, so same as above. All inter-process variables should be defined volatile. 3) on SMP systems each CPU still has it's own dcache -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Denormal numbers

2003-08-02 Thread Jussi Laako
On Thu, 2003-07-31 at 11:45, Alfons Adriaensen wrote: Do you know of a *very fast* (probably inline assembly) way to force denormal FP numbers to zero ? If I remember correctly, SSE does flush-denormals-to-zero by default. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Denormal numbers

2003-08-14 Thread Jussi Laako
on AMD ones. However, using SSE2 for fp math on P4 fixes this. -- Jussi Laako [EMAIL PROTECTED]

[linux-audio-dev] Audio CODECs compared

2003-08-30 Thread Jussi Laako
to include it in test results. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] What's the best audio IO API on Linux

2003-09-15 Thread Jussi Laako
and it is highly recommended to use alsa at all. ALSA has it's own drivers and it's own native interface. It's able to emulate OSS at driver level. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] What's the best audio IO API on Linux

2003-09-19 Thread Jussi Laako
platform API. ALSA is Linux only. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] What's the best audio IO API on Linux

2003-09-19 Thread Jussi Laako
some extra overhead and code to audio chain. Are there any other drivers to get any decent PCI soundcard to work on those platforms? -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] What's the best audio IO API on Linux

2003-09-20 Thread Jussi Laako
continue to support OSS. And I still recommend it for users because it's easy to install. Just do ./oss-install and then just OK-OK-ExitSave and that's it. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Linux VERSUS OSS ???

2003-10-10 Thread Jussi Laako
On Thu, 2003-10-09 at 17:44, Paul Davis wrote: OSS is dead. You should not be writing apps with OSS. If you want portability use PortAudio. It's not dead if you are doing audio work on any other IEEE-1003.1 OS than Linux. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Oss threading -- is it possible

2003-10-10 Thread Jussi Laako
On Fri, 2003-10-10 at 19:28, Paul Davis wrote: you need to additively mix your two signals. writing them to DSP orders them sequentially in time. it doesn't mix them. The commercial OSS driver does mixing and samplerate conversion. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Re: Linux VERSUS OSS ???

2003-10-15 Thread Jussi Laako
to be running 24/7/365 no matter how many xruns there are, without needing to restart the interface every time. Minimal dataloss required when xrun happens. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Re: Linux VERSUS OSS ???

2003-10-16 Thread Jussi Laako
lacks the ./install - [OK] - [OK] - [Exit and save] - soundon -installation. SuSE is doing OK on the installation area, but their biggest problem is hacking the ALSA into their kernel, making it pretty difficult to change the kernel while keeping ALSA stuff in their distro working. -- Jussi Laako

Re: [linux-audio-dev] Linux VERSUS OSS ???

2003-10-17 Thread Jussi Laako
On Fri, 2003-10-10 at 23:40, Paul Davis wrote: PortAudio works on most of them, and is much better for many reasons. PortAudio uses OSS? Or are there many drivers for M-Audio Delta1010 and the likes? -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Fixed vs Floating point comparison.

2003-10-17 Thread Jussi Laako
On Fri, 2003-10-17 at 02:09, Juan Linietsky wrote: Benno Sennoner and I were discussing today on IRC about the usual fixed point vs floating point (regarding to some resampling code) Attached is some quick-and-dirty hack written tired and drunk at friday night... -- Jussi Laako [EMAIL

Re: [linux-audio-dev] Fixed vs Floating point comparison.

2003-10-18 Thread Jussi Laako
OK, some new code.. Attached are some of my experiments. - Code that uses split registers to process two samples per loop. - Code for processing interleaved stereo (equally fast to mono version) TODO: - Implement resample code in libDSP in e3dnow asm -- Jussi Laako [EMAIL PROTECTED

Re: [linux-audio-dev] [PATCH] oss support for jack [UPDATE]

2003-11-14 Thread Jussi Laako
Of course I forgot something out of the patch. Here's additional patch for drivers/oss/Makefile.am... -- Jussi Laako [EMAIL PROTECTED] --- jack-audio-connection-kit-0.80.0/drivers/oss/Makefile.am 1970-01-01 02:00:00.0 +0200 +++ jackit/drivers/oss/Makefile.am 2003-11-14 21:04

Re: [linux-audio-dev] [PATCH] oss support for jack [UPDATE]

2003-11-15 Thread Jussi Laako
with the PortAudio driver, instead? No, depending on how PortAudio is implemented... -- Jussi Laako [EMAIL PROTECTED]

[linux-audio-dev] [PATCH] oss driver for jack 0.90.0

2003-11-16 Thread Jussi Laako
is available at http://www.sonarnerd.net/linux/ and SuSE 9 packages are coming. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] [PATCH] oss driver for jack 0.90.0 - the actual patch :)

2003-11-18 Thread Jussi Laako
users out there... :) -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] [PATCH] oss support for jack [UPDATE]

2003-11-18 Thread Jussi Laako
= paUInt8, paInt16, Maybe this is a feature of alsa oss emulation? -- Jussi Laako [EMAIL PROTECTED]

[linux-audio-dev] oss driver for jack 0.90 rev3

2003-11-18 Thread Jussi Laako
/automake could see the drivers/oss/Makefile.am for some better way of enabling NPTL/barrier stuff... ;) -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] oss driver for jack 0.90 rev3

2003-11-19 Thread Jussi Laako
actual projects. I don't have have any control on jack, so I'm not going to tie myself up on something which needs unspecified amount of work. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Fixed vs Floating point comparison.

2003-11-27 Thread Jussi Laako
time ./resamp_fixp 1.037u 0.000s 0:01.03 100.0%0+0k 0+0io 76pf+0w jussi/own time ./resamp_float 1.970u 0.000s 0:01.96 100.5%0+0k 0+0io 76pf+0w jussi/own time ./resamp_float_fistl 4.034u 0.001s 0:04.03 100.0%0+0k 0+0io 90pf+0w -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Athlon64 .. performance boost ?

2003-11-27 Thread Jussi Laako
. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Jack 0.92.0 release

2003-12-20 Thread Jussi Laako
On Fri, 2003-12-19 at 22:12, Taybin Rutkin wrote: JACK 0.92.0 has been released. As usual, modified version with OSS driver is available as RPMs from http://www.sonarnerd.net/linux/ -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] swh-plugins, freqtweak, fftw3 and the planet

2003-12-22 Thread Jussi Laako
On Mon, 2003-12-22 at 11:55, Uwe Koloska wrote: but this will build only the float variant. And the fftw3 build procedure is not able to build both variants ... I've done RPMs of FFTW 3.x which include float, double and long double versions. See http://www.sonarnerd.net/linux/ -- Jussi

Re: [linux-audio-dev] Idea: fake OSS passback driver

2004-02-01 Thread Jussi Laako
On Sun, 2004-02-01 at 12:02, Daniel Risacher wrote: aRts, etc. Wouldn't it be nice if all the legacy apps just worked? Without blocking each other? This has already been implemented in commercial version of OSS. With samplerate conversion and mixing. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] DRC 2.4.0

2004-02-27 Thread Jussi Laako
MS/s 30420 us / 65536 point real FFT (single), 33 FFTs/s, 2.154 MS/s -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] DRC 2.4.0

2004-02-28 Thread Jussi Laako
On Sat, 2004-02-28 at 15:43, Tim Goetze wrote: is the benchmark code you use available somewhere? Older version with some parts removed is in libDSP CVS. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] DRC 2.4.0

2004-02-28 Thread Jussi Laako
=i686 platforms and includes 3DNow / SSE stuff. It just crashed on my Thunderbird-core Athlon. I use *_execute_dft_r2c(). Also SIMD optimizations doesn't do any good on non-x86 architectures like SPARC, Alpha or HP-PA. Anyway, I'm going to add some SIMD stuff to Ooura also. -- Jussi Laako

Re: Ooura vs FFTW3, Re: [linux-audio-dev] DRC 2.4.0

2004-02-28 Thread Jussi Laako
implementation of floatdouble version of Ooura radix-4, radix-8 and split-radix transforms. Using Ooura (built-in), FFTW (external) and Intel IPP (external) FFTs with libDSP is just matter of configuration #define. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] DRC 2.4.0

2004-02-29 Thread Jussi Laako
(Fedora Core 1, gcc-3.3.3): [EMAIL PROTECTED] tests]# ./bench --verify irf1024 Segmentation fault [EMAIL PROTECTED] tests]# ./bench irf1024 Segmentation fault -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] DRC 2.4.0

2004-02-29 Thread Jussi Laako
publish the test results when I get SSE2 optimization for Ooura code done. -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Project ideas?

2004-06-08 Thread Jussi Laako
/websgram.jpg So basically it could be OK with 3D display? -- Jussi Laako [EMAIL PROTECTED]

Re: [linux-audio-dev] Traps in floating point code

2004-07-02 Thread Jussi Laako
. At least for P4 and AMD64. I usually do some profiling on code generated by the compiler and then handcode the SSE2 parts for compiler bottlenecks. IIR filter was one good example where compilers sucked badly. -- Jussi Laako [EMAIL PROTECTED]

[linux-audio-dev] [ANNOUNCE] SRC support for XMMS OSS output plugin

2004-10-21 Thread Jussi Laako
). To get best possible sound quality out of these, you'll need high quality samplerate conversion when playing 44.1 kHz files/streams. All comments on this are welcome. Patch is available from: http://www.sonarnerd.net/linux/xmms-rabbit.patch -- Jussi Laako [EMAIL PROTECTED]

[linux-audio-dev] [RFC] C++ wrapper for JACK API

2004-11-06 Thread Jussi Laako
. A basic JACK application made using this library works OK anyway. Current implementation is available from: http://www.sonarnerd.net/linux/libjackmm-071104.tar.gz -- Jussi Laako [EMAIL PROTECTED]

[linux-audio-dev] Re: [RFC] C++ wrapper for JACK API

2004-11-07 Thread Jussi Laako
On Sun, 2004-11-07 at 03:11, Jussi Laako wrote: Current implementation is available from: http://www.sonarnerd.net/linux/libjackmm-071104.tar.gz Uh oh, forgot to include Exception.hh from libDSP sources. I just updated the package... -- Jussi Laako [EMAIL PROTECTED]

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