For PCM playback the EMU10K1 driver is allocating an extra voice.
This is somewhat wastefull and I kind of need all 64 voices.
Is appears to be using it to generate the period interrupts.
Does anyone know what it would take to rewrite the driver to
not need this extra voice?
--
Christopher John
nterrupts? Why? I'm happy to give it a go, but I don't understand.
Chris
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remain in sync, and on both of my machines here
they do, but I have a report from someone experiencing a quite
considerable drift -- the JACK frame count ends up over a second and
a half ahead of the ALSA timer over a ten minute period without
xruns. How could that
ehh.. that had nothing to do with my mail... its for a project of my own...
On Sunday 18 April 2004 12:43 am, Patrick Shirkey wrote:
> Chris wrote:
> > by front-end i mean GUI in XFree. Im open to whatever toolkits, i just
> > need a starting point. :)
>
> There are a fe
by front-end i mean GUI in XFree. Im open to whatever toolkits, i just need a
starting point. :)
Thanks again
On Friday 16 April 2004 10:02 am, Chris wrote:
> Greetings,
>
> I would like to build my own frontend to alsaplayer, and don't know exactly
> where to start. If anybo
Greetings,
I would like to build my own frontend to alsaplayer, and don't know exactly
where to start. If anybody can just point me in the right direction by means
of URL's, or source, that would be great.
Thanks in advance!
---
This SF.Net
Hi,
ALSA CVS is still failing to generate all of dependent
modules in my particular config:
--with-kernel=/home/chris/linux-2.6.4
--with-moddir=/lib/modules/2.6.4/kernel/sound
--with-oss=yes
--with-sequencer=yes
--with-cards=intel8x0,emu10k1,dummy
I have managed to "hack" the
on any of my systems either.
You could always try editing your "toplevel.config
file by hand, and then typing "make".
Cheers,
Chris
___
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lloc:
releasing the used block (type=1, id=0x101
Mar 3 21:27:22 twopit kernel: ALSA
/home/chris/Programs/alsa/alsa-driver/pci/intel8x0.c:2263:
no playback buffer allocated - aborting measure ac97
clock
It's the last one which worries me, of course...
This is probably painfully obvious, but I'm still posting because when I
upgraded to a 2.6 kernel my digital speakers stopped working.
Using alsamixer
When I turnoff IEC958 Optical Raw and turn on the digital output I once again
get digital sound.
Thanks,
like the init for the emu10k1 does.
Is this because now most features at the Audigy driver level are inplace the
driver init function could use a rewrite?
Thanks,
Chris
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Thanks,
Chris
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: intel8x0: clocking to
48000
Feb 11 21:47:31 twopit kernel: ALSA
/home/chris/Programs/alsa/alsa-driver/pci/intel8x0.c:817:
intel8x0: unknown IRQ bits 0x100 (sta_mask=0xe0)
Feb 11 21:47:32 twopit last message repeated 8 times
I am running Linux 2.6.2 with the latest CVS drivers.
The chip in question is
On Monday 12 Jan 2004 5:19 pm, Chris Cannam wrote:
> I notice that if you send to a non-running sequencer queue an event
> scheduled for exactly the current time of the queue, then the event
> is delivered immediately: the queue doesn't wait to be started
> first.
>
> Is th
tended use? (compared to not queuing
your event at all, that is.)
Chris
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but perhaps acceptable for a non-low-latency kernel and the like.
Chris
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On Monday 15 Dec 2003 9:16 am, Chris Cannam wrote:
> This seems to suggest that the default system-based timer is doing
> something a bit naive, like assuming it was called back on time
> without actually checking.
Hmm yes, even this crappy little patch to alsa-kernel/core/timer.
called back on time
without actually checking.
Chris
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On Sunday 14 Dec 2003 2:34 pm, Chris Cannam wrote:
> On Sunday 14 Dec 2003 2:02 pm, Jan Depner wrote:
> > If I'm not mistaken the timing for your audio is coming from your
> > sound card not your system clock.
>
> [...] what if you have more
> than one soundcard o
On Sunday 14 Dec 2003 2:34 pm, Chris Cannam wrote:
> On Sunday 14 Dec 2003 2:02 pm, Jan Depner wrote:
> > If I'm not mistaken the timing for your audio is coming from your
> > sound card not your system clock.
>
> [...]
> I mentally ruled out a hardware problem quit
soundcard at all (only say USB devices)? and what
if the soundcard's just a chip on the motherboard, as mine is --
wouldn't it get its own timing from the system clock? It's plausible
that this crappy i810 could have a crappy timer, though th
at
alsa-kernel/core/timer.c) I'm not at all sure how far I'd get...
Chris
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On Wednesday 10 Dec 2003 7:38 am, Clemens Ladisch wrote:
> Chris Cannam wrote:
> > Is there any documentation for the squillions of
> > interesting-looking event types defined in snd_seq_event_type?
>
> The source.
Ah.
> > I'm particularly intrigued by the SND_S
usage depending on that
> type?
I don't think so.
> - Can the user see that information in any way?
I don't know. I don't think it would be terribly useful though.
Chris
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tion.
I'm particularly intrigued by the SND_SEQ_EVENT_INSTR_* types which
look suspiciously like they might be intended for something useful
such as enabling soft-synths or samplers to report on their available
program or patch sets. Are they? Do any applications us
ive OSS drivers instead, so I'm fairly
confident that the problem is with ALSA.
I saw no such problem running xine native ALSA
support.
I have a SB Live! (rev 7) card, and am running
Linux-2.4.22 (SMP).
Cheers,
Chris
Wa
The alsa-kernel/core/sound.c file references the
header file, but this header does not
exist under Linux 2.4.
Deleting the reference fixes the build.
Cheers,
Chris
Want to chat instantly with your online friends? Get
n't an audigy board, it's an SB-Live! (rev. 7). I
still have a 'Wave' device and I have no 'Front'
device.
Chris
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so OK.
Cheers,
Chris
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Hi,
I'm not entirely sure why this change was made because the microcode structure was
never being copied
onto the kernel stack. However, there is certainly no need for the magic number of
65536 to be included
everywhere. There was also a compiler warning in the sscape_ctl tool.
Cheers,
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0 or 1.171.
I am using Linux-2.4.22-SMP.
Cheers,
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T
aplay -D card1 a.wav
>
> Only card0 produces sound.
>
> Anybody got any idea why this is not working?
Just checking the obvious: have you plugged any
speakers into the second sound card?
Chris
Want to chat insta
ered
as part of a fully built custom DAW. Been building them for professionals
since the 386 was the fastest Intel processor around.
> I do not think these problems affect the MultiFace or DigiFace products.
> Just the HDSP 9652.
It sounds like Thomas is on the scent and we should have
On Monday 11 August 2003 13:46, Chris Smith wrote:
> I have a Multiface with the PCI card in stock ...
Oops, make that a Digiface.
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On Monday 11 August 2003 00:37, [EMAIL PROTECTED] wrote:
> I am curious to know what kind of DAC chip RME HDSP 96xx
> uses? Is it AD1855 or AD1852, or something else?
Onr can't easily group the HDSP 96xx cards any longer. The HDSP 9632, for
example, does 2 channels of analog I/O up to 192kHz samp
t an HDSP 9652 or I would
attempt to test it for you. Will certainly let you know if there are any such
issues.
Chris
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Is there an RME HDSP 9632 driver in development?
The current hdsp driver from 0.9.6 will not load claiming the device is not
present.
Thank you.
Chris
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ecially
since the analog I/O is the main thing I'm looking to get as a starter.
If there's anything I can do to assist lease let me know.
Thanks.
Chris
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audio
> channels.
It didn't work.
> I've just got an answer from RME. Expect something to test soon :)
Superb!
Thanks.
Chris
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y root
partition afterwards. (But THAT could be caused
because I can't load my CPUs' microcode until the root
partition is mounted OK...).
I shall try removing ALSA and seeing if that improves
thing. It would be just my l
--- Nicola Orru' <[EMAIL PROTECTED]> wrote:
> It looks like a typo. Try and open emufx.c and
> replace EMU10K1_GRP_* with EMU10k1_GPR_*.
Yup, a typo. Changing .._GRP_.. to .._GPR_.. fixed it.
Cheers,
Chris
P.S. alsa-lib is sti
Hi,
These breakages have existed for a day or two.
In alsa-driver:
gcc -D__KERNEL__ -DMODULE=1
-I/home/chris/Programs/alsa/alsa-driver/include
-I/home/chris/linux-2.4.21/include -O2
-mpreferred-stack-boundary=2 -march=i686 -D__SMP__
-DCONFIG_SMP -DLINUX -Wall -Wstrict-prototypes
-fomit-frame
not really the case, you could think of the outgoing audio as
"echoing" the incoming audio. Why does this happen and what can I do about it?
Thaks Very Much,
Chris
>
> Put another way, I would like the driver to ignore underruns and simply
> allow the start and end pointers
to ignore underruns and simply
allow the start and end pointers to cross over one another.
Is this possible (or clear)?
Chris
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synth devices will generally not have this
flag set. I found all this most confusing, but that's probably
because I don't really know anything about non-MIDI clients.
Look for the subject "Sequencer port type flags" in
ly appreciate them, even if
they're just RTFM. I've spent hours and hours to get this far and I'm
afraid I'm at the point where if the answer to the last hurdle was
staring me in the face, I probably wouldnt see it.
regards,
Chris
diff -urN alsa-lib-0.9.4/src
Alsa Folks,
I am using ALSA 9.0 on a Dell Inspiron 8200 which uses the Intel
82801CA-ICH3 card and CS4205 chip set. I am writing a program
that simulaneaously samples and plays audio. The problem I am
having is that everything that is captured by the microphone is
automatically echoed to the
eatly appreciated! I can't
accept the fact that amixer can only be used as a command line interface to
save that 4k per access!
- Chris Pechie
_
Help STOP SPAM with the new MSN 8 and get 2 months FREE*
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) Used compiler: 2.96
Fatal error: Compiler type does not match
Decoded kernel compiler: type=gcc version=2.96
Decoded used compiler: type=2.96 version=2.96
Cheers,
Chris
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-r1.145 configure.in
--- configure.in8 Mar 2003 14:24:32 -
1.145
+++ configure.in9 Mar 2003 15:28:47 -
@@ -732,7 +732,7 @@
AC_TRY_COMPILE([
#include
#include
-#include
+#include
],[
vmalloc_to_page(NULL);
],
Cheers,
Chris
___
I don't have jack installed either, reran the
cvscompile script in alsa-lib and *still* had a build
failure. Sounds like a bug to me. There's no reason
ALSA should expect to find jack.
Chris
--- Jaakko Prättälä <[EMAIL PROTECTED]>
wrote: > On Friday 07 March 2003 00:10,
this is a kernel problem
is that the sfxload process survived repeated "kill
-9" attempts by root... ;-).
Cheers,
Chris
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requested. My sense is that
I am writing my samples on time (as far as I can measure) and the
problem happens somewhere in the chain of events *after*
my program writes audio samples. Do you think the lowlatency patch
might help there? Or any othe
ook at jackit.sf.net. However, I am close to having
the sound I/0 working the way I need it to, so I am a little reluctant
to start all over. :)
Chris
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are you planning your Web Se
nals are
only rarely any later than .02 secs after the time requested.
Of course, I have no idea what must happen
between the time I write the samples and when they actually are turned into sound.
Chris
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Hello List,
This is my first post and I am new (a couple of weeks) to ALSA.
I am working on an application that plays audio output in response
to audio input --- the relationship between input and output is
complicated and I will not describe it in any detail here --- I
am building a musica
ry
A bit disappointing really.
Cheers,
Chris
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Thanks, I'll check it out.
At 08:51 PM 2/11/03 -0700, ljp wrote:
First thing might be to download the free book
Linux Device Drivers, it's free.
http://www.xml.com/ldd/chapter/book/
On Tuesday February 11 2003 08:34 pm, Chris Share wrote:
> Hi Everyone,
>
> I'm a
loaded quite a few articles on ALSA, etc. so that
should keep me going for a while.
Cheers,
Chris Share
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lsof to be a most useful tool.
> on the contrary, if
> FD_CLOEXEC is set, you'll be able to notice what's
On the contrary, if FD_CLOEXEC is set then these kind
of bugs will be harder to spot because the library
will bury the bodies.
-)?)
All of the remaining applications should be
considering what will happen to their resources on
exec(), and I see no reason why careless programmers
should have a few of their bugs swept under the rug
for them.
Chris
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ho don't
understand what they're doing... ;-/!
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ing the destinies of resources, delivery of
signals etc when spawning child processes is the
application-programmer's responsibility.
And yes, I have tracked down bugs like this before.
And I *did* fix the application.
Chris
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e height of arrogance to
assume that something has no use simply because you
can't imagine using it.
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--- Takashi Iwai <[EMAIL PROTECTED]> wrote:
> could you try the latest cvs aplay.c?
That's solved the clicking problem. I'll need to
update the ALSA on my P120 to run further checks.
That's a Friday / weekend job.
Chris
___
gt; looks to me like a
> mere implementation detail which 99% of all users
> shouldn't need to care about.
I consider this situation analogous to the
relationship between file descriptors and FILE*
pointers. By your argument, libc should probably set
the FD_CLOEXE
Fair enough, but my point is that I'd expect the
close-on-exec flag NOT to be set unless I explicitly
set it myself. Same as with every other way of getting
a file descriptor.
Chris
--- Paul Davis <[EMAIL PROTECTED]> wrote: >
>Speaking as a userspace developer, I expect file
Speaking as a userspace developer, I expect file
descriptors to be inherited by child processes unless
I explicitly request otherwise. Yes, I usually make
sure that I *DO* request otherwise, but that's not the
point...
Cheers,
Chris
--- Takashi Iwai <[EMAIL PROTECTED]> wrote: >
--- Takashi Iwai <[EMAIL PROTECTED]> wrote:
> Hi Chris,
>
> At Fri, 31 Jan 2003 19:56:51 + (GMT),
> Chris Rankin wrote:
> >
> > --- Takashi Iwai <[EMAIL PROTECTED]> wrote:
> > > do you know which version (or date) the driver
> > >
ried those against
the current CVS version of the kernel modules. There
is no nasty clicking sound using 0.9.0rc6 userspace.
Even more interesting:
alsa-lib 0.9.0rc6 + alsa-utils CVS => CLICK!
alsa-lib CVS + alsa-utils 0.9.0rc6 => No click.
I'm guessing that the
--- Takashi Iwai <[EMAIL PROTECTED]> wrote:
> At Thu, 30 Jan 2003 00:11:00 + (GMT),
> does the attached patch have any influence?
Nope, the clicks are still there.
Chris
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/home/chris/linux-2.4.20
--with-moddir=/lib/modules/2.4.20/kernel/drivers/sound
--with-oss=yes
--with-sequencer=yes
--with-cards=intel8x0,emu10k1,dummy
More importantly, playing WAV files via my SB Live!
using aplay is making a nasty, loud "click" sound
right at the end. It didn't
Hi,
I think that there might be some header file changes
to commit in CVS too.
Chris
gcc -D__KERNEL__ -DMODULE=1
-I/home/chris/Programs/alsa/alsa-driver/include
-I/home/chris/linux-2.4.20/include -O2
-mpreferred-stack-boundary=2 -march=i686 -D__SMP__
-DCONFIG_SMP -DLINUX -Wall -Wstrict
Hi,
I think you missed one ;-) ...
Cheers,
Chris
Index: alsa-kernel/core/init.c
===
RCS file: /cvsroot/alsa/alsa-kernel/core/init.c,v
retrieving revision 1.24
diff -u -u -r1.24 init.c
--- alsa-kernel/core/init.c 8 Dec 2002 11
Hi,
I was compiling the ALSA CVS drivers this evening when
I saw this compiler warning whizz past. I think that
this lock is a spinlock and not a rwlock.
Cheers,
Chris
Index: alsa-kernel/core/init.c
===
RCS file: /cvsroot/alsa/alsa
te_unlock(&card->control_owner_lock);
- write_lock_irqrestore(&card->control_rwlock,
flags);
+ write_unlock_irqrestore(&card->control_rwlock,
flags);
snd_ctl_empty_read_queue(ctl);
snd_magic_kfree(ctl);
dec_mod
ols) {
control = snd_kcontrol(list);
if (control->owner == ctl)
control->owner = NULL;
}
write_unlock(&card->control_owner_lock);
Am I reading this wrong? It looks as if it's taking
one lock but releasing another.
Cheers,
Chri
Hi,
I am having problems with the latest ALSA CVS using
Linux 2.4.19-SMP and devfs. Specifically:
# depmod -ae
depmod: *** Unresolved symbols in
/lib/modules/2.4.19/kernel/drivers/sound/snd.o
depmod: devfs_remove
Cheers,
Chris
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Cheers,
Chris
--- Jaroslav Kysela <[EMAIL PROTECTED]> wrote: > On Sat,
23 Nov 2002, [iso-8859-1] Chris Rankin
> wrote:
>
> > Hi,
> >
> > I am having problems with the latest ALSA CVS
> using
> > Linux 2.4.19-SMP and devfs. Specifically:
> >
> &
he memory if
another process requests it? Surely *some* of that
1011004 KB cache must be usable!?
Chris
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d.) I strongly suspect
today's memory-related changes.
I am using a SB-Live! card with Linux-2.4.19-SMP.
Cheers,
Chris
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g again. I'll try the patch as soon as
the problem reoccurs.
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-
Ouch. This means that this problem will always appear
eventually, and the only way to clear it is waiting
for Linux to free a large amount of cache memory.
Or I could reboot my machine.
In the meantime, I have no PCM playback via my
SB-Live!. Is this a 2.4 or a SB-Live limitation?
Chris
ery. Are there
any other statistics that would be useful? I expect
(hope!) that this error will disappear soon, so I'd
recommend a swift response, if required.
Cheers,
Chris
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Hi,
It really is safe to declare these parameters as __initdata because their values are
never referenced again once the module loads. (All values are copied.) And there's
also a whitespace fix.
Cheers,
Chris
Index: ssc
/modules/2.4.19/kernel/drivers/sound/snd.o: insmod
/lib/modules/2.4.19/kernel/drivers/sound/snd.o failed
/lib/modules/2.4.19/kernel/drivers/sound/snd.o: insmod
snd failed
Cheers,
Chris
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ds (rofl) then the driver should work
for you too.
Cheers,
Chris
Index: sscape.c
===
RCS file: /cvsroot/alsa/alsa-driver/isa/sscape.c,v
retrieving revision 1.8
diff -u -u -r1.8 sscape.c
--- sscape.c8 Oct 2002 10:11:08 -
mand line, then can I assume that you can safely
omit any that you don't want to specify by writing:
alsa-module-name=1,0,,,10
for example?
Chris
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wait, the
greater the pain. I have a fairly complicated setup,
and the extent of my pain would be here:
options snd snd_cards_limit=2
options snd-card-0 snd_index=0
options snd-card-1 snd_index=1 snd_mpu_port=0x330
(Aren't PCI devices nice :-)?) I guess the worst hit
would be people with ISA
Now that the ARRAY_SIZE macro has been migrated to adriver.h, it can come out of here.
And there's a whitespace diff too.
Chris
Index: alsa-driver/isa/sscape.c
===
RCS file: /cvsroot/alsa/alsa-driver/isa/sscape.c,v
retri
ppose
that both these macros are candidates for putting in adriver.h instead.
Cheers,
Chris
Index: alsa-driver/isa/sscape.c
===
RCS file: /cvsroot/alsa/alsa-driver/isa/sscape.c,v
retrieving revision 1.6
diff -u -u -r1.6 sscape.c
---
compress using bzip2 rather than gzip
As they say, "it works for me" :-)
Cheers,
Chris
Index: alsa-lib/Makefile.am
===
RCS file: /cvsroot/alsa/alsa-lib/Makefile.am,v
retrieving revision 1.16
diff -u -u -r1.16 Makefile.am
--
Hi,
I can't dispute this section of Takashi's patch, except to note that
you probably don't want to clobber buf->size if the snd_xxx_fallback()
function sets it properly for you.
Chris
Index: alsa-driver/isa/sscape.c
==
This quick patch should make the sscape_ctl utility slightly more user-friendly.
Chris
Index: sscape_ctl.c
===
RCS file: /cvsroot/alsa/alsa-tools/sscape_ctl/sscape_ctl.c,v
retrieving revision 1.1
diff -u -u -r1.1 sscape_ctl.c
i snd-seq-device]
soundcore 3620 5 (autoclean) [snd]
Chris
Index: sscape.c
===
RCS file: /cvsroot/alsa/alsa-driver/isa/sscape.c,v
retrieving revision 1.2
diff -u -u -r1.2 sscape.c
--- sscape.c24 Sep 2002 06:30:16
ength
> with _relatively_ good accuracy (up to 1ms).
>
> > I tested this driver on
> > a P120 - not exactly a speed daemon... ;-)!
>
> ah, then the current driver will fail definitely on
> 2GHz P4 ;)
Yeah, if you can find one with an ISA slot free...
;-). Anyway, I&#
side the loop.
> another point: doesn't the busy-loop in
> host_read/write_ctrl_unsafe
> need udelay() or something to produce a certain
> delay length?
> otherwise the timeout is very dependent on a
> machine.
Yes, possibly. Provided udelay() isn't deprecated and
does
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