* gspca, audio and ov534: regression.
@ 2010-10-06 10:33 Antonio Ospite
2010-10-06 11:48 ` Jean-Francois Moine
0 siblings, 1 reply; 10+ messages in thread
From: Antonio Ospite @ 2010-10-06 10:33 UTC (permalink / raw)
To: linux-media; +Cc: Jean-François Moine, Jim Paris, Max Thrun
[-- Attachment #1: Type: text/plain, Size: 840 bytes --]
Hi,
with 2.6.36-rc6 I can't use the ov534 gspca subdriver (with PS3 eye)
anymore, when I try to capture video in dmesg I get:
gspca: no transfer endpoint found
If I revert commit 35680ba I can make video capture work again but I
still don't get the audio device in pulseaudio, it shows up in alsamixer
but if I try to select it, on the console I get:
cannot load mixer controls: Invalid argument
I'll test with latest Jean-François tree, and if it still fails I'll try
to find a solution, but I wanted to report it quickly first, I hope we
fix this before 2.6.36.
Thanks,
Antonio
--
Antonio Ospite
http://ao2.it
PGP public key ID: 0x4553B001
A: Because it messes up the order in which people normally read text.
See http://en.wikipedia.org/wiki/Posting_style
Q: Why is top-posting such a bad thing?
[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: gspca, audio and ov534: regression.
2010-10-06 10:33 gspca, audio and ov534: regression Antonio Ospite
@ 2010-10-06 11:48 ` Jean-Francois Moine
2010-10-06 14:04 ` Antonio Ospite
0 siblings, 1 reply; 10+ messages in thread
From: Jean-Francois Moine @ 2010-10-06 11:48 UTC (permalink / raw)
To: Antonio Ospite; +Cc: linux-media
On Wed, 6 Oct 2010 12:33:21 +0200
Antonio Ospite <ospite@studenti.unina.it> wrote:
> with 2.6.36-rc6 I can't use the ov534 gspca subdriver (with PS3 eye)
> anymore, when I try to capture video in dmesg I get:
> gspca: no transfer endpoint found
>
> If I revert commit 35680ba I can make video capture work again but I
> still don't get the audio device in pulseaudio, it shows up in
> alsamixer but if I try to select it, on the console I get:
> cannot load mixer controls: Invalid argument
>
> I'll test with latest Jean-François tree, and if it still fails I'll
> try to find a solution, but I wanted to report it quickly first, I
> hope we fix this before 2.6.36.
Hi Antonio,
I think I see why the commit prevents the webcam to work: as it is
done, the choice of the alternate setting does not work with bulk
transfer. A simple fix could be to also check bulk transfer when
skipping an alt setting in the function get_ep().
About audio stream, I do not see how it can have been broken.
Might you send me the full USB information of your webcam?
Best regards.
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: gspca, audio and ov534: regression.
2010-10-06 11:48 ` Jean-Francois Moine
@ 2010-10-06 14:04 ` Antonio Ospite
2010-10-06 14:53 ` Antonio Ospite
2010-10-06 18:35 ` Jean-Francois Moine
0 siblings, 2 replies; 10+ messages in thread
From: Antonio Ospite @ 2010-10-06 14:04 UTC (permalink / raw)
To: Jean-Francois Moine; +Cc: linux-media
[-- Attachment #1.1: Type: text/plain, Size: 2730 bytes --]
On Wed, 6 Oct 2010 13:48:55 +0200
Jean-Francois Moine <moinejf@free.fr> wrote:
> On Wed, 6 Oct 2010 12:33:21 +0200
> Antonio Ospite <ospite@studenti.unina.it> wrote:
>
> > with 2.6.36-rc6 I can't use the ov534 gspca subdriver (with PS3 eye)
> > anymore, when I try to capture video in dmesg I get:
> > gspca: no transfer endpoint found
> >
> > If I revert commit 35680ba I can make video capture work again but I
> > still don't get the audio device in pulseaudio, it shows up in
> > alsamixer but if I try to select it, on the console I get:
> > cannot load mixer controls: Invalid argument
> >
[...]
>
> I think I see why the commit prevents the webcam to work: as it is
> done, the choice of the alternate setting does not work with bulk
> transfer. A simple fix could be to also check bulk transfer when
> skipping an alt setting in the function get_ep().
>
Thanks, the following change fixes it, was this what you had in mind?
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index b984610..30e0b32 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -651,7 +651,7 @@ static struct usb_host_endpoint *get_ep(struct gspca_dev *gspca_dev)
: USB_ENDPOINT_XFER_ISOC;
i = gspca_dev->alt; /* previous alt setting */
if (gspca_dev->cam.reverse_alts) {
- if (gspca_dev->audio)
+ if (gspca_dev->audio && !gspca_dev->cam.bulk)
i++;
while (++i < gspca_dev->nbalt) {
ep = alt_xfer(&intf->altsetting[i], xfer);
@@ -659,7 +659,7 @@ static struct usb_host_endpoint *get_ep(struct gspca_dev *gspca_dev)
break;
}
} else {
- if (gspca_dev->audio)
+ if (gspca_dev->audio && !gspca_dev->cam.bulk)
i--;
while (--i >= 0) {
ep = alt_xfer(&intf->altsetting[i], xfer);
> About audio stream, I do not see how it can have been broken.
>
PS3 Eye audio is working with linux-2.6.33.7 it is broken in
linux-2.6.35.7 already, I'll try to further narrow down the interval.
Ah, alsamixer doesn't work even when the device is OK in pulseaudio...
> Might you send me the full USB information of your webcam?
>
You can find lsusb output attached.
Thanks,
Antonio
--
Antonio Ospite
http://ao2.it
PGP public key ID: 0x4553B001
A: Because it messes up the order in which people normally read text.
See http://en.wikipedia.org/wiki/Posting_style
Q: Why is top-posting such a bad thing?
[-- Attachment #1.2: lsusb_pseye.log --]
[-- Type: application/octet-stream, Size: 6803 bytes --]
Bus 001 Device 004: ID 1415:2000 Nam Tai E&E Products Ltd. or OmniVision Technologies, Inc. Sony Playstation Eye
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1415 Nam Tai E&E Products Ltd. or OmniVision Technologies, Inc.
idProduct 0x2000 Sony Playstation Eye
bcdDevice 1.00
iManufacturer 1 OmniVision Technologies, Inc.
iProduct 2 USB Camera-B4.04.27.1
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 142
bNumInterfaces 3
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 10
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 0
iInterface 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 42
bInCollection 1
baInterfaceNr( 0) 2
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0201 Microphone
bAssocTerminal 2
bNrChannels 4
wChannelConfig 0x0000
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 1
bSourceID 3
iTerminal 0
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 3
bSourceID 1
bControlSize 1
bmaControls( 0) 0x00
bmaControls( 1) 0x02
Volume
bmaControls( 2) 0x02
Volume
bmaControls( 3) 0x02
Volume
bmaControls( 4) 0x02
Volume
iFeature 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 1 PCM
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 4
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 16000
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0300 1x 768 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]
^ permalink raw reply related [flat|nested] 10+ messages in thread* Re: gspca, audio and ov534: regression.
2010-10-06 14:04 ` Antonio Ospite
@ 2010-10-06 14:53 ` Antonio Ospite
2010-10-07 17:44 ` Jean-Francois Moine
2010-10-06 18:35 ` Jean-Francois Moine
1 sibling, 1 reply; 10+ messages in thread
From: Antonio Ospite @ 2010-10-06 14:53 UTC (permalink / raw)
To: Jean-Francois Moine; +Cc: linux-media
[-- Attachment #1: Type: text/plain, Size: 1473 bytes --]
On Wed, 6 Oct 2010 16:04:41 +0200
Antonio Ospite <ospite@studenti.unina.it> wrote:
> On Wed, 6 Oct 2010 13:48:55 +0200
> Jean-Francois Moine <moinejf@free.fr> wrote:
>
> > On Wed, 6 Oct 2010 12:33:21 +0200
> > Antonio Ospite <ospite@studenti.unina.it> wrote:
> >
> > > with 2.6.36-rc6 I can't use the ov534 gspca subdriver (with PS3 eye)
> > > anymore, when I try to capture video in dmesg I get:
> > > gspca: no transfer endpoint found
> > >
> > > If I revert commit 35680ba I can make video capture work again but I
> > > still don't get the audio device in pulseaudio, it shows up in
> > > alsamixer but if I try to select it, on the console I get:
> > > cannot load mixer controls: Invalid argument
> > >
[...]
> > About audio stream, I do not see how it can have been broken.
> >
>
> PS3 Eye audio is working with linux-2.6.33.7 it is broken in
> linux-2.6.35.7 already, I'll try to further narrow down the interval.
> Ah, alsamixer doesn't work even when the device is OK in pulseaudio...
>
I was wrong, the audio part works even in 2.6.36-rc6 but _only_ when
the webcam is plugged in from boot, could this have to do with the order
gspca and snd-usb-audio are loaded?
Regards,
Antonio
--
Antonio Ospite
http://ao2.it
PGP public key ID: 0x4553B001
A: Because it messes up the order in which people normally read text.
See http://en.wikipedia.org/wiki/Posting_style
Q: Why is top-posting such a bad thing?
[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: gspca, audio and ov534: regression.
2010-10-06 14:53 ` Antonio Ospite
@ 2010-10-07 17:44 ` Jean-Francois Moine
2010-10-10 9:45 ` Antonio Ospite
0 siblings, 1 reply; 10+ messages in thread
From: Jean-Francois Moine @ 2010-10-07 17:44 UTC (permalink / raw)
To: Antonio Ospite; +Cc: linux-media
On Wed, 6 Oct 2010 16:53:37 +0200
Antonio Ospite <ospite@studenti.unina.it> wrote:
> > PS3 Eye audio is working with linux-2.6.33.7 it is broken in
> > linux-2.6.35.7 already, I'll try to further narrow down the
> > interval. Ah, alsamixer doesn't work even when the device is OK in
> > pulseaudio...
>
> I was wrong, the audio part works even in 2.6.36-rc6 but _only_ when
> the webcam is plugged in from boot, could this have to do with the
> order gspca and snd-usb-audio are loaded?
Hi Antonio,
If you still have a kernel 2.6.33, may you try my test version (tarball
in my web page)? As it contain only the gspca stuff, this may tell if
the problem is in gspca or elsewhere in the kernel.
Best regards.
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: gspca, audio and ov534: regression.
2010-10-07 17:44 ` Jean-Francois Moine
@ 2010-10-10 9:45 ` Antonio Ospite
0 siblings, 0 replies; 10+ messages in thread
From: Antonio Ospite @ 2010-10-10 9:45 UTC (permalink / raw)
To: Jean-Francois Moine; +Cc: linux-media
[-- Attachment #1: Type: text/plain, Size: 1307 bytes --]
On Thu, 7 Oct 2010 19:44:01 +0200
Jean-Francois Moine <moinejf@free.fr> wrote:
> On Wed, 6 Oct 2010 16:53:37 +0200
> Antonio Ospite <ospite@studenti.unina.it> wrote:
>
> > > PS3 Eye audio is working with linux-2.6.33.7 it is broken in
> > > linux-2.6.35.7 already, I'll try to further narrow down the
> > > interval. Ah, alsamixer doesn't work even when the device is OK in
> > > pulseaudio...
> >
> > I was wrong, the audio part works even in 2.6.36-rc6 but _only_ when
> > the webcam is plugged in from boot, could this have to do with the
> > order gspca and snd-usb-audio are loaded?
>
> Hi Antonio,
>
> If you still have a kernel 2.6.33, may you try my test version (tarball
> in my web page)? As it contain only the gspca stuff, this may tell if
> the problem is in gspca or elsewhere in the kernel.
>
JF I suspect the device not showing up in pulseaudio has nothing to do
with gspca at all. I can actually record audio using alsa even if
pulseaudio does not see the device, so it must be a pulseaudio issue.
Thanks,
Antonio
--
Antonio Ospite
http://ao2.it
PGP public key ID: 0x4553B001
A: Because it messes up the order in which people normally read text.
See http://en.wikipedia.org/wiki/Posting_style
Q: Why is top-posting such a bad thing?
[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: gspca, audio and ov534: regression.
2010-10-06 14:04 ` Antonio Ospite
2010-10-06 14:53 ` Antonio Ospite
@ 2010-10-06 18:35 ` Jean-Francois Moine
2010-10-10 10:02 ` Antonio Ospite
1 sibling, 1 reply; 10+ messages in thread
From: Jean-Francois Moine @ 2010-10-06 18:35 UTC (permalink / raw)
To: Antonio Ospite; +Cc: linux-media
On Wed, 6 Oct 2010 16:04:41 +0200
Antonio Ospite <ospite@studenti.unina.it> wrote:
> Thanks, the following change fixes it, was this what you had in mind?
>
> diff --git a/drivers/media/video/gspca/gspca.c
> b/drivers/media/video/gspca/gspca.c index b984610..30e0b32 100644
> --- a/drivers/media/video/gspca/gspca.c
> +++ b/drivers/media/video/gspca/gspca.c
> @@ -651,7 +651,7 @@ static struct usb_host_endpoint *get_ep(struct
> gspca_dev *gspca_dev) : USB_ENDPOINT_XFER_ISOC;
> i = gspca_dev->alt; /* previous alt
> setting */ if (gspca_dev->cam.reverse_alts) {
> - if (gspca_dev->audio)
> + if (gspca_dev->audio && !gspca_dev->cam.bulk)
> i++;
> while (++i < gspca_dev->nbalt) {
> ep = alt_xfer(&intf->altsetting[i], xfer);
> @@ -659,7 +659,7 @@ static struct usb_host_endpoint *get_ep(struct
> gspca_dev *gspca_dev) break;
> }
> } else {
> - if (gspca_dev->audio)
> + if (gspca_dev->audio && !gspca_dev->cam.bulk)
> i--;
> while (--i >= 0) {
> ep = alt_xfer(&intf->altsetting[i], xfer);
Yes, but, after thought, as there is only one alternate setting, the
tests could be:
if (gspca_dev->audio && i < gspca_dev->nbalt - 1)
and
if (gspca_dev->audio && i > 0)
This should work also for isochronous transfers.
regards.
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
^ permalink raw reply [flat|nested] 10+ messages in thread* Re: gspca, audio and ov534: regression.
2010-10-06 18:35 ` Jean-Francois Moine
@ 2010-10-10 10:02 ` Antonio Ospite
2010-10-10 10:21 ` Jean-Francois Moine
0 siblings, 1 reply; 10+ messages in thread
From: Antonio Ospite @ 2010-10-10 10:02 UTC (permalink / raw)
To: Jean-Francois Moine; +Cc: linux-media
[-- Attachment #1: Type: text/plain, Size: 1175 bytes --]
On Wed, 6 Oct 2010 20:35:53 +0200
Jean-Francois Moine <moinejf@free.fr> wrote:
> On Wed, 6 Oct 2010 16:04:41 +0200
> Antonio Ospite <ospite@studenti.unina.it> wrote:
>
> > Thanks, the following change fixes it, was this what you had in mind?
> >
> > diff --git a/drivers/media/video/gspca/gspca.c
[...]
>
> Yes, but, after thought, as there is only one alternate setting, the
> tests could be:
> if (gspca_dev->audio && i < gspca_dev->nbalt - 1)
> and
> if (gspca_dev->audio && i > 0)
>
> This should work also for isochronous transfers.
JF this change as is does not work for me, if I change the second check
to
if (gspca_dev->audio && i > 1)
it does, but I don't know if this breaks anything else.
In my case I have:
get_ep: gspca_dev->cam.reverse_alts: 0
get_ep: gspca_dev->alt: 1
get_ep: gspca_dev->nbalt: 1
get_ep: gspca_dev->audio: 1
get_ep: gspca_dev->cam.bulk: 1
Thanks,
Antonio
--
Antonio Ospite
http://ao2.it
PGP public key ID: 0x4553B001
A: Because it messes up the order in which people normally read text.
See http://en.wikipedia.org/wiki/Posting_style
Q: Why is top-posting such a bad thing?
[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: gspca, audio and ov534: regression.
2010-10-10 10:02 ` Antonio Ospite
@ 2010-10-10 10:21 ` Jean-Francois Moine
2010-10-10 11:00 ` Antonio Ospite
0 siblings, 1 reply; 10+ messages in thread
From: Jean-Francois Moine @ 2010-10-10 10:21 UTC (permalink / raw)
To: Antonio Ospite; +Cc: linux-media
On Sun, 10 Oct 2010 12:02:50 +0200
Antonio Ospite <ospite@studenti.unina.it> wrote:
> JF this change as is does not work for me, if I change the second
> check to
> if (gspca_dev->audio && i > 1)
>
> it does, but I don't know if this breaks anything else.
Hi Antonio,
You are right, this is the way the test must be.
I'll try to have this in the kernel 2.6.36.
Regards.
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: gspca, audio and ov534: regression.
2010-10-10 10:21 ` Jean-Francois Moine
@ 2010-10-10 11:00 ` Antonio Ospite
0 siblings, 0 replies; 10+ messages in thread
From: Antonio Ospite @ 2010-10-10 11:00 UTC (permalink / raw)
To: Jean-Francois Moine; +Cc: linux-media
[-- Attachment #1: Type: text/plain, Size: 901 bytes --]
On Sun, 10 Oct 2010 12:21:29 +0200
Jean-Francois Moine <moinejf@free.fr> wrote:
> On Sun, 10 Oct 2010 12:02:50 +0200
> Antonio Ospite <ospite@studenti.unina.it> wrote:
>
> > JF this change as is does not work for me, if I change the second
> > check to
> > if (gspca_dev->audio && i > 1)
> >
> > it does, but I don't know if this breaks anything else.
>
> Hi Antonio,
>
> You are right, this is the way the test must be.
>
> I'll try to have this in the kernel 2.6.36.
>
Thanks, feel free to add
Reported-by: Antonio Ospite <ospite@studenti.unina.it>
or Tested-by or whatever-by you consider appropriate.
Regards,
Antonio
--
Antonio Ospite
http://ao2.it
PGP public key ID: 0x4553B001
A: Because it messes up the order in which people normally read text.
See http://en.wikipedia.org/wiki/Posting_style
Q: Why is top-posting such a bad thing?
[-- Attachment #2: Type: application/pgp-signature, Size: 198 bytes --]
^ permalink raw reply [flat|nested] 10+ messages in thread
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2010-10-06 10:33 gspca, audio and ov534: regression Antonio Ospite
2010-10-06 11:48 ` Jean-Francois Moine
2010-10-06 14:04 ` Antonio Ospite
2010-10-06 14:53 ` Antonio Ospite
2010-10-07 17:44 ` Jean-Francois Moine
2010-10-10 9:45 ` Antonio Ospite
2010-10-06 18:35 ` Jean-Francois Moine
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