On Sat, Oct 12, 2002 at 07:52:39PM -0700, David Sankel wrote:
> Yes, I have used jack. I meant that it doesn't open
> the sound device when it is not being used by a host application.
Actually, I think it does. From the moment you start jackd it will open
the playback (and recording, depending o
On Wed, Sep 18, 2002 at 06:51:11PM +0200, Takashi Iwai wrote:
> one related question is -
> is there any problem to keep alsa.m4 file? or should it be removed
> and force people to move to pkg-config from AC macros?
Removing alsa.m4 is probably the best way to speed up adoption of
pkg-config b
On Tue, Aug 20, 2002 at 03:15:49PM +0200, Jaroslav Kysela wrote:
> > ioctl(4, 0x4143, 0x1807)= 0
> > ioctl(4, 0x4112, 0x40031090)= 0
> > close(4)= 0
> > open("/root/.alsaplayer/config", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 4
> > close(4)
On Tue, Aug 20, 2002 at 02:27:23PM +0200, Takashi Iwai wrote:
> could you check via strace which ioctl triggers this?
> strangely i cannot reproduce this on my machine.
strace gives the following (parsed):
open("/dev/snd/pcmC0D0p", O_RDWR) = 4
ioctl(4, AGPIOC_INFO, 0xbfffdf60)
Hi,
We've been experiencing kernel OOPSes with the alsaplayer alsa-final
output plugin. The problems appeared in the 0.9.0rc3 release and
forward. The same code works fine on 0.9.0rc1. The OOP is triggered at
close time (snd_pcm_close()) and only then. This behaviour was
duplicated on at least 2
On Tue, Jun 18, 2002 at 07:47:59PM +0200, dunk fordyce wrote:
> now im wondering whats the best way to play multiple samples at once?
That would require mixing the different samples (i.e. adding the pcm
values and doing clipping).
// 16-bit samples,
int16_t buf1[1024], buf2[1024], out[1024];
in
On Tue, Jun 18, 2002 at 05:59:32PM +0200, dunk fordyce wrote:
> anyone tell me why i get a seg fault?
> ( excuse the c++ but im learning :)
gdb is your friend!
segfault usually means some pointer/memory problem. gdb will tell you
at what line number your program crashes...
Looks like you are fr
On Fri, May 17, 2002 at 06:26:22PM +, matt yee-king wrote:
> [root@bennyhill alsaplayer-0.99.70]# alsaplayer
> alsaplayer: pcm.c:5655: snd_pcm_unlink_ptr: Assertion `0' failed.
> AlsaPlayer interrupted by signal 6
I've installed the latest CVS, but can't reproduce this. It might be a
powerma
On Fri, Apr 12, 2002 at 12:24:56PM +0100, James Courtier-Dutton wrote:
> >http://www.alsa-project.org/index-new.html
http://www.alsa-project.org/index-new.php3
Cheers Patrick :)
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On Sun, Feb 17, 2002 at 01:33:32AM -0500, Hod McWuff wrote:
> I'd imagine the first step would be to add an ac3 encoder, and then
> (possibly) the 2->5.1 channel demuxing for stereo streams. This would
> result in the ability to mix dolby digital streams (DVD's) with more
> mundane PCM streams, s
On Thu, Nov 29, 2001 at 09:54:08AM -0500, Paul Davis wrote:
> those messages don't show up in these cases. i have seen 1 or examples
> of them in /var/log/messages, but none during the tests i have been
> running. all day yesterday, i got just one.
$ arecord -f dat -F 677 -M 2000 > /dev/null
wi
On Wed, Nov 28, 2001 at 11:40:58PM +0100, Wolfgang Hoffmann wrote:
> To me it's not clear why protecting a ringbuffer with a mutex
> is evil. Is it simply the problem of "abuse", in the sense of one client
> locks the mutex longer than necessary (i.e. longer than just
> copying data to/from the b
On Thu, Nov 22, 2001 at 12:37:36PM -0500, Paul Davis wrote:
> the original is linked from dave phillips' pages. my port (which i
> will rename, since i rewrote most of it to use gtkmm) is not packaged yet.
> i have one remaining bug to fix (not related to the JACK stuff) and
> then i'll put it on
On Thu, Nov 22, 2001 at 09:44:54AM -0500, Paul Davis wrote:
> i spent some time last week porting a nice little app called RythmnLab
> to use JACK. it used the same kind of design that so many linux audio
Where can we get RythmnLab?
> apps do - blocking reads and/or writes on the audio device.
On Mon, Nov 19, 2001 at 02:49:23PM +0100, Jaroslav Kysela wrote:
> static int snd_maximum_substreams = 4;
> MODULE_PARM(snd_maximum_substreams, "i");
> MODULE_PARM_DESC(snd_maximum_substreams, "Maximum substreams with preallocated DMA
>memory.");
> MODULE_PARM_SYNTAX(snd_maximum_substreams, SNDR
Hi,
I just did some tests on my setup, alsa 0.9.0beta9 + Trident 4DWave NX.
I can only open 4 sub devices maximum. I always thought this was a lot
more (at least 16). Also, what is the function of snd_pcm_hw_params_any() ??
I have this call in my code but I have no idea what it actually does :)
On Thu, Nov 15, 2001 at 07:54:41PM +0100, Maarten de Boer wrote:
> Your results look good. For what processor did you compile your kernel?
CONFIG_MK7=y
Did I read correctly that some 3DNow instructions cause latency issues?
> Can you run the alsa-lib/test/latency test (and use a CD as input)
>
On Thu, Nov 15, 2001 at 07:06:42PM +0100, Maarten de Boer wrote:
> That would be great. I use latencytest0.42 as well (gif).
>
> Tell me what kernel you use.
Okay, here's my setup:
- kernel 2.4.15-pre4 + Robert Love's preempt patches
(http://www.tech9.net/rml/linux/)
- kernel HZ value set to
On Thu, Nov 15, 2001 at 05:28:19PM +0100, Maarten de Boer wrote:
> It would be really nice if somebody could repeat my tests on identical or
> similar hardware (AMD Athlon, Trident 4DWave NX), with the same versions
> of kernel, patch, and alsa (latest cvs that is). I will try with a es1371
> to
On Tue, Sep 18, 2001 at 07:20:21PM +0200, Remco Poelstra wrote:
> Ok, I think I understand most of it, certainly that my application can do
> without it (and I tried and it works without). But what is a possible use
> of this kind of settings? Is it only of interest to low-latency
> applications?
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