hi...
i wrote an audio output driver for flashplayer, based on lennart
poetterings pulse driver.
git clone git://repo.or.cz/libflashsupport-jack.git
--
torben Hohn
Hi all,
The meeting last night was good but not many people (me, Wayne, and Rik).
Does anyone know a good way to convert rtf to nice html (i.e. using
proper codes like h1 h2 etc, not <p class="Heading1"> which is what open
office does)? It's only one document that I have to convert, so not
really worth taking the time to write a script, but it would save me a
bit of time if there's an automatic way of doing it.
Also, is anyone up for doing a talk or demonstration? The third
wednesday in April would be good. I could talk about what I've done to
set up my slug with debian, and give a dummy's guide to basic security
issues (which I've been learning about before putting the slug online.)
andy
I was looking at different master controller keyboards, and this one
really got my attention. It does MIDI over USB, and has its own
software, so I'm wondering if anyone might have an inkling how well this
controller would work under Linux. I think it has a straight MIDI out,
if all else fails, but I need to make sure of that.
Thanks for the help.
-- Darren
Hi,
I understand that the module snd-virmidi can be loaded via modprobe from the
command line. BUT: I cannot get it to work. The module does not pass any data
transferred to it.
What am i doing wrong? I simply connected one MIDI output of things like the
vkeybd to the virtual MIDI port and then connected kmidimon to the virtual
port to see if something is happening. But nothing.
Any helpful hints on this?
kernel is 2.6.29-0.slh.1-sidux-686.
MIDI is working fine otherwise.
Regards,
Crypto.
Hi everyone.
I was kind of curious about the real latency of my system and did a
series of tests using jdelay (http://www.kokkinizita.net/linuxaudio/).
I share my results so others can see what to expect from such a usb
audio device and also because..
! Important !
I ran in a number of oddities that I can't explain myself. This could
mean that my results here are totally useless, so please don't take
them for real until someone can hopefully clarify those matters.
General Information:
-------------------
Audio Interface: Edirol UA-25
http://www.rolandus.com/products/productdetails.aspx?ObjectId=704http://alsa.opensrc.org/index.php/Edirol_UA-25
It can work in 44.1, 48kHz duplex and 96kHz either record or playback,
so I couldn't (and wouldn't have anyway) tested 44.1 and 48kHz.
There are Periods/Buffer from 2 to 42 possible, most common is I
believe 2 and 3 Periods/Buffer, I only tested these.
My pc is rather old, mainboard is a via km400 or km400a if that helps
anything.
On the software side there is Arch Linux with it's latest stock kernel,
2.6.28.8, jack 0.116.2 and qjackctl 0.3.4 (the patchbay made this a lot
easier).
Measurement Results:
-------------------
SR 44100
-----
Frames Periods F*P/SR Measured
64 2 2.9 8.2
128 2 5.8 11.1
256 2 11.6 15.9
512 2 23.2 28.5
1024 2 46.4 52.7
2048 2 92.9 102.1
4096 2 185.8 187.1
64 3 4.4 9.7
128 3 8.7 14.0
256 3 17.4 22.7
512 3 34.8 30.1
1024 3 69.7 65.0
2048 3 139.3 138.6
4096 3 278.6 279.9
SR 48000
-----
Frames Periods F*P/SR Measured
64 2 2.7 7.9
128 2 5.3 10.5
256 2 10.7 15.9
512 2 21.3 26.5
1024 2 42.7 48.9
2048 2 85.3 94.5
4096 2 170.7 171.9
64 3 4 9.2
128 3 8 13.2
256 3 16 21.2
512 3 32 27.2
1024 3 64 60.2
2048 3 128 127.2
4096 3 256 257.2
Questions to the wise guys:
--------------------------
1)
As probably everyone has noticed, with 3 periods/buffer and
frames/period of 512, 1024 and 2048 the measured latency is smaller
than the calculated latency. I don't see how this can be possible
since, as far as I understand it, the measured latency should be the
calculated + some.
2)
When doing those measurements I noticed that with 44100 the Frames
reported by jdelay always ended in .732 Frames and with 48000 always
ended in .761 Frames.
I found out that I can change that value by changing the sensitivity of
the input or the amplification of the output. In the case the variance
is below one frame, but I find it very strange that it's always the
same at a given amplification/sensitivity.
3)
Is it normal that the difference between calculated and measured
latency varies so much? Shouldn't it just always be the same?
4)
Should these results be similar with any usb interface?
What does have most influence on such results?
I hope this can be of use after the remaining questions have been
answered.
Best regards,
Philipp
Made the kernel, booted fine. Once I got into the graphics kde4. The text-mode
bootup was completely kerlbooey!
So what might I place in my lilo.conf to get this straightened out (using an
older matrox mila g200 at 1200x1065)? Currently has vga=6.
Hi
It seems at least part of my problem with my edirol fa-66 firewire card
is due to the fact that it shares interrupt with the graphic card :-(
atte@vestbjerg:~$ lspci -v
<snip>
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controll
er (rev 03) (prog-if 00 [VGA controller])
Subsystem: Toshiba America Info Systems Unknown device ff50
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at f0000000 (64-bit, non-prefetchable) [size=1M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 1800 [size=8]
Capabilities: <access denied>
<snip>
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #4 (rev 03) (prog-if 00 [UHCI])
Subsystem: Toshiba America Info Systems Unknown device ff50
Flags: bus master, medium devsel, latency 0, IRQ 17
I/O ports at 1820 [size=32]
<snip>
0a:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller
(rev 05) (prog-if 10 [OHCI])
Subsystem: Toshiba America Info Systems Unknown device ff50
Flags: bus master, medium devsel, latency 32, IRQ 17
Memory at f0400000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
<snip>
I looked in the bios, but it seems interrupts can't be moved around
(it's a toshiba laptop). Is there anyway to move the interrups by
software? Anything else that could be done? Or should I simply admit I
wasted my money and use the fa-66 as paper weight?
--
Atte
http://atte.dkhttp://modlys.dk
I have this USB audio interface working with my Ubuntu 9.04 system,
but I get very frequent clicks and pops, whether I run it via jack or
directly through ALSA. I don't get these pops with either a Native
Instruments Audio Kontrol 1 or a Novation Xiosynth.
Could this be related to the playback sync issue mentioned here?
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h…
Does anybody have this interface working without these glitches?
--
miles
http://kuniklo.bandcamp.com
Hi,
I'm just an Lilypond user, not an programmer. I really think Lilypond is
a core app for GNU/Linux musicians and many apps has Lilypond export
functions. To keep improving Lilypond and because some people are
starting to work on some Tablature improvements, which makes me really
excited, I thought, let's make a call.
Maybe you are a Lilypond user with a little programming background and
want to contribute to Lilypond or you need a special feature/
improvement in it. Then you can start learning to do the programming
yourself.
You can start as a Frog, some kind of 'Lilypond student programmer'. You
start learning the basics, maybe fix some bugs (like Frogs eat flies)
and add some features you want with the help of the Lilypond developers.
More info about developing for Lilypond:
http://lilypond.org/web/devel/participating/
You can see the Contributors' Guide for some detailed information about
participating:
http://lilypond.org/doc/v2.13/Documentation/devel/contrib-guide/index#index
At this moment there are some guys beginning to work on more and better
Tablature functionality for Lilypond. Which is great imo also to get
better Tablature functionality in GUI apps like Mscore and Tuxguitar.
So maybe it's a good moment to jump in, and I think they can use some
man power!
See for example these threads:
http://www.nabble.com/guitar-tab-feature-request-td21995370.html
Thanks in advance,
\r
(Just an happy Lily user/ guitarist)
