Mauro,
I would like to get invited to the Media Subsystem workshop in Prague.
Kind Regards,
Jean-Paul Saman
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Em 11-08-2011 14:49, Rémi Denis-Courmont escreveu:
> Le lundi 8 août 2011 16:25:26 Mauro Carvalho Chehab, vous avez écrit :
>>> So the presentation and summary are on Tuesday, but when is the workshop
>>> itself? Is it on the Monday or the Sunday?
>>>
>>> It would be nice to know so I can plan my s
Le lundi 8 août 2011 16:25:26 Mauro Carvalho Chehab, vous avez écrit :
> > So the presentation and summary are on Tuesday, but when is the workshop
> > itself? Is it on the Monday or the Sunday?
> >
> > It would be nice to know so I can plan my stay in Prague and my planning
> > with the other con
Em 11-08-2011 07:16, Sakari Ailus escreveu:
>
> Hi Mauro,
>
> On Wed, Aug 03, 2011 at 02:21:05PM -0300, Mauro Carvalho Chehab wrote:
>> As already announced, we're continuing the planning for this year's
>> media subsystem workshop.
>>
>> To avoid overriding the main ML with workshop-specifics,
Hi Mauro,
On Wed, Aug 03, 2011 at 02:21:05PM -0300, Mauro Carvalho Chehab wrote:
> As already announced, we're continuing the planning for this year's
> media subsystem workshop.
>
> To avoid overriding the main ML with workshop-specifics, a new ML
> was created:
> workshop-2...@linuxtv.o
Hi,
On 08/10/2011 02:34 AM, Theodore Kilgore wrote:
but this is the way how
the current discussion feels to me. If we agree on aiming for
"doing it right" then with that comes to me doing a software
design from scratch, so without taking into account what is
already there.
Here, a count
On Tue, 9 Aug 2011, Hans de Goede wrote:
> Hi,
>
> On 08/09/2011 07:10 PM, Theodore Kilgore wrote:
> >
> >
> > On Tue, 9 Aug 2011, Hans de Goede wrote:
>
>
>
> > No, but both Adam and I realized, approximately at the same time
> > yesterday afternoon, something which is rather important he
Hi,
On 08/09/2011 07:10 PM, Theodore Kilgore wrote:
On Tue, 9 Aug 2011, Hans de Goede wrote:
No, but both Adam and I realized, approximately at the same time
yesterday afternoon, something which is rather important here. Gphoto is
not developed exclusively for Linux. Furthermore, it has a
On Tue, 9 Aug 2011, Hans de Goede wrote:
> Hi,
>
>
>
> > OK, another example. The cameras supported in camlibs/jl2005c do not have
> > webcam ability, but someone could at any time design and market a dualmode
> > which has in stillcam mode the same severe limitation. What limitation?
> > Wel
On Tue, 9 Aug 2011, Hans de Goede wrote:
> Hi,
>
> On 08/08/2011 07:39 PM, Theodore Kilgore wrote:
> >
> >
> > On Mon, 8 Aug 2011, Mauro Carvalho Chehab wrote:
> >
>
>
>
> > Mauro,
> >
> > In fact none of the currently known and supported cameras are using PTP.
> > All of them are propri
Hi,
OK, another example. The cameras supported in camlibs/jl2005c do not have
webcam ability, but someone could at any time design and market a dualmode
which has in stillcam mode the same severe limitation. What limitation?
Well, the entire memory of the camera must be dumped, or else the cam
Hi,
On 08/08/2011 07:39 PM, Theodore Kilgore wrote:
On Mon, 8 Aug 2011, Mauro Carvalho Chehab wrote:
Mauro,
In fact none of the currently known and supported cameras are using PTP.
All of them are proprietary. They have a rather intimidating set of
differences in functionality, too. Nam
On Mon, 8 Aug 2011, Adam Baker wrote:
> On Monday 08 August 2011, Mauro Carvalho Chehab wrote:
> > > I will send a second reply to this message, which deals in particular
> > > with the list of abilities you outlined above. The point is, the
> > > situation as to that list of abilities is more
On Mon, 8 Aug 2011, Adam Baker wrote:
> On Monday 08 August 2011, Mauro Carvalho Chehab wrote:
> > >
> > >
> > > Well, in practice the "fork" would presumably be carried out by yours
> > > truly. Presumably with the advice and help of concerned parties. too.
> > > Since I am involved on both
On Mon, 8 Aug 2011, Theodore Kilgore wrote:
> > > > Maybe a good compromise would be to create a kind of stub driver that
> > > > could negotiate the device access while still delegating most of the
> > > > real work to userspace.
> > >
> > > Hooray. This appears to me to be a very good solution.
On Monday 08 August 2011, Mauro Carvalho Chehab wrote:
> > I will send a second reply to this message, which deals in particular
> > with the list of abilities you outlined above. The point is, the
> > situation as to that list of abilities is more chaotic than is generally
> > realized. And when
On Monday 08 August 2011, Mauro Carvalho Chehab wrote:
> >
> >
> > Well, in practice the "fork" would presumably be carried out by yours
> > truly. Presumably with the advice and help of concerned parties. too.
> > Since I am involved on both the kernel side and the libgphoto2 side of
> > the s
Em 08-08-2011 16:32, Theodore Kilgore escreveu:
>> Doing an specific libusb-like approach just for those cams seems to be the
>> wrong direction, as such driver would be just a fork of an already existing
>> code. I'm all against duplicating it.
>
> Well, in practice the "fork" would presumably b
On Mon, 8 Aug 2011, Alan Stern wrote:
> On Mon, 8 Aug 2011, Theodore Kilgore wrote:
>
> > On Mon, 8 Aug 2011, Alan Stern wrote:
> >
> > > On Sun, 7 Aug 2011, Theodore Kilgore wrote:
> > >
> > > > This indirectly answers my question, above, about whatever device there
> > > > may or may not b
On Mon, 8 Aug 2011, Mauro Carvalho Chehab wrote:
> Em 08-08-2011 14:39, Theodore Kilgore escreveu:
> >
> >
> > On Mon, 8 Aug 2011, Mauro Carvalho Chehab wrote:
> >
> >> Em 07-08-2011 23:26, Theodore Kilgore escreveu:
> >>>
> >>> (first of two replies to Adam's message; second reply deals with
On Mon, 8 Aug 2011, Theodore Kilgore wrote:
> On Mon, 8 Aug 2011, Alan Stern wrote:
>
> > On Sun, 7 Aug 2011, Theodore Kilgore wrote:
> >
> > > This indirectly answers my question, above, about whatever device there
> > > may or may not be. What I get from this, and also from a bit of snooping
Em 08-08-2011 14:39, Theodore Kilgore escreveu:
>
>
> On Mon, 8 Aug 2011, Mauro Carvalho Chehab wrote:
>
>> Em 07-08-2011 23:26, Theodore Kilgore escreveu:
>>>
>>> (first of two replies to Adam's message; second reply deals with other
>>> topics)
>>>
>>> On Sun, 7 Aug 2011, Adam Baker wrote:
>>
On Mon, 8 Aug 2011, Alan Stern wrote:
> On Sun, 7 Aug 2011, Theodore Kilgore wrote:
>
> > This indirectly answers my question, above, about whatever device there
> > may or may not be. What I get from this, and also from a bit of snooping
> > around, is that there is not any dev that gets cre
On Mon, 8 Aug 2011, Mauro Carvalho Chehab wrote:
> Em 07-08-2011 23:26, Theodore Kilgore escreveu:
> >
> > (first of two replies to Adam's message; second reply deals with other
> > topics)
> >
> > On Sun, 7 Aug 2011, Adam Baker wrote:
> >
> >> On Friday 05 August 2011, Hans de Goede wrote:
On Monday, August 08, 2011 15:25:26 Mauro Carvalho Chehab wrote:
> Em 08-08-2011 03:22, Hans Verkuil escreveu:
> > On Wednesday, August 03, 2011 19:45:36 Mauro Carvalho Chehab wrote:
> >> Em 03-08-2011 14:21, Mauro Carvalho Chehab escreveu:
> >>> As already announced, we're continuing the planning
On Sun, 7 Aug 2011, Theodore Kilgore wrote:
> This indirectly answers my question, above, about whatever device there
> may or may not be. What I get from this, and also from a bit of snooping
> around, is that there is not any dev that gets created in order to be
> accessed by libusb. Just an
On Mon, 8 Aug 2011, Adam Baker wrote:
> Further testing reveals the situation is more complex than I first thought -
> the behaviour I get depends upon whether what gets plugged in is a full speed
> or a high speed device. After I've run the test of running gphoto whilst
> streaming from a supp
Em 07-08-2011 23:26, Theodore Kilgore escreveu:
>
> (first of two replies to Adam's message; second reply deals with other
> topics)
>
> On Sun, 7 Aug 2011, Adam Baker wrote:
>
>> On Friday 05 August 2011, Hans de Goede wrote:
This sounds to be a good theme for the Workshop, or even to KS/
Em 08-08-2011 03:22, Hans Verkuil escreveu:
> On Wednesday, August 03, 2011 19:45:36 Mauro Carvalho Chehab wrote:
>> Em 03-08-2011 14:21, Mauro Carvalho Chehab escreveu:
>>> As already announced, we're continuing the planning for this year's
>>> media subsystem workshop.
>>>
>>> To avoid overridin
Hi,
On 08/08/2011 12:53 AM, Adam Baker wrote:
On Friday 05 August 2011, Hans de Goede wrote:
This sounds to be a good theme for the Workshop, or even to KS/2011.
Agreed, although we don't need to talk about this for very long, the
solution is basically:
1) Define a still image retrieval API f
On Wednesday, August 03, 2011 19:45:36 Mauro Carvalho Chehab wrote:
> Em 03-08-2011 14:21, Mauro Carvalho Chehab escreveu:
> > As already announced, we're continuing the planning for this year's
> > media subsystem workshop.
> >
> > To avoid overriding the main ML with workshop-specifics, a new M
On Sun, 7 Aug 2011, Alan Stern wrote:
> On Sun, 7 Aug 2011, Adam Baker wrote:
>
> > I've addec Hans de Geode and linux-usb to the CC as this response picks up
> > on
> > a related discussion about the usb mini summit.
> >
> > On Friday 05 August 2011, Theodore Kilgore wrote:
> > > > If you c
(second reply to Adam's message)
On Sun, 7 Aug 2011, Adam Baker wrote:
> On Friday 05 August 2011, Hans de Goede wrote:
> > > This sounds to be a good theme for the Workshop, or even to KS/2011.
> >
> > Agreed, although we don't need to talk about this for very long, the
> > solution is basical
(first of two replies to Adam's message; second reply deals with other
topics)
On Sun, 7 Aug 2011, Adam Baker wrote:
> On Friday 05 August 2011, Hans de Goede wrote:
> > > This sounds to be a good theme for the Workshop, or even to KS/2011.
> >
> > Agreed, although we don't need to talk about
On Monday 08 August 2011, Alan Stern wrote:
> On Sun, 7 Aug 2011, Adam Baker wrote:
> > I've addec Hans de Geode and linux-usb to the CC as this response picks
> > up on a related discussion about the usb mini summit.
> >
> > On Friday 05 August 2011, Theodore Kilgore wrote:
> > > > If you can sol
On Sun, 7 Aug 2011, Adam Baker wrote:
> I've addec Hans de Geode and linux-usb to the CC as this response picks up on
> a related discussion about the usb mini summit.
>
> On Friday 05 August 2011, Theodore Kilgore wrote:
> > > If you can solve the locking problem between devices in the kernel t
On Friday 05 August 2011, Hans de Goede wrote:
> > This sounds to be a good theme for the Workshop, or even to KS/2011.
>
> Agreed, although we don't need to talk about this for very long, the
> solution is basically:
> 1) Define a still image retrieval API for v4l2 devices (there is only 1
>i
I've addec Hans de Geode and linux-usb to the CC as this response picks up on
a related discussion about the usb mini summit.
On Friday 05 August 2011, Theodore Kilgore wrote:
> > If you can solve the locking problem between devices in the kernel then
> > it shouldn't matter if one of the kernel
On Fri, 5 Aug 2011, Hans de Goede wrote:
> Hi all,
>
> On 08/04/2011 02:34 PM, Mauro Carvalho Chehab wrote:
> > Em 03-08-2011 20:20, Theodore Kilgore escreveu:
>
>
>
> > > Yes, that kind of thing is an obvious problem. Actually, though, it may be
> > > that this had just better not happen. F
Hi all,
On 08/04/2011 02:34 PM, Mauro Carvalho Chehab wrote:
Em 03-08-2011 20:20, Theodore Kilgore escreveu:
Yes, that kind of thing is an obvious problem. Actually, though, it may be
that this had just better not happen. For some of the hardware that I know
of, it could be a real problem n
On Fri, 5 Aug 2011, Adam Baker wrote:
> On Thursday 04 August 2011, Theodore Kilgore wrote:
> > On Thu, 4 Aug 2011, Adam Baker wrote:
> > > On Thursday 04 August 2011, Theodore Kilgore wrote:
> > > > As far as I know, /dev/sdx signifies a device which is accessible by
> > > > something like the
On Thursday 04 August 2011, Theodore Kilgore wrote:
> On Thu, 4 Aug 2011, Adam Baker wrote:
> > On Thursday 04 August 2011, Theodore Kilgore wrote:
> > > As far as I know, /dev/sdx signifies a device which is accessible by
> > > something like the USB mass storage protocols, at the very least. So,
On Thu, 4 Aug 2011, Mauro Carvalho Chehab wrote:
> Em 04-08-2011 18:16, Theodore Kilgore escreveu:
>
> This sounds to be a good theme for the Workshop, or even to KS/2011.
> >>>
> >>> Thanks. Do you recall when and where is KS/2011 going to take place?
> >>
> >> The media workshop happ
On Thu, 4 Aug 2011, Adam Baker wrote:
> On Thursday 04 August 2011, Mauro Carvalho Chehab wrote:
> > > That'd also be my understanding. There are already several standard ways
> > > to access data on still cameras: mass-storage, PTP, MTP, why invent Yet
> > > Another One? "Just" learn to share
Em 04-08-2011 18:16, Theodore Kilgore escreveu:
This sounds to be a good theme for the Workshop, or even to KS/2011.
>>>
>>> Thanks. Do you recall when and where is KS/2011 going to take place?
>>
>> The media workshop happens together with the KS/2011. Sunday is an
>> exclusive day for t
On Thu, 4 Aug 2011, Adam Baker wrote:
> On Thursday 04 August 2011, Theodore Kilgore wrote:
> > As far as I know, /dev/sdx signifies a device which is accessible by
> > something like the USB mass storage protocols, at the very least. So, if
> > that fits the camera, fine. But most of the came
Em 04-08-2011 18:38, Adam Baker escreveu:
> On Thursday 04 August 2011, Mauro Carvalho Chehab wrote:
>>> That'd also be my understanding. There are already several standard ways
>>> to access data on still cameras: mass-storage, PTP, MTP, why invent Yet
>>> Another One? "Just" learn to share a de
On Thursday 04 August 2011, Mauro Carvalho Chehab wrote:
> > That'd also be my understanding. There are already several standard ways
> > to access data on still cameras: mass-storage, PTP, MTP, why invent Yet
> > Another One? "Just" learn to share a device between several existing
> > drivers.
On Thu, 4 Aug 2011, Mauro Carvalho Chehab wrote:
> Em 04-08-2011 15:37, Theodore Kilgore escreveu:
> >>> Yes, that kind of thing is an obvious problem. Actually, though, it may
> >>> be
> >>> that this had just better not happen. For some of the hardware that I
> >>> know
> >>> of, it could
On Thursday 04 August 2011, Theodore Kilgore wrote:
> As far as I know, /dev/sdx signifies a device which is accessible by
> something like the USB mass storage protocols, at the very least. So, if
> that fits the camera, fine. But most of the cameras in question are Class
> Proprietary. Thus, n
Em 04-08-2011 16:02, Guennadi Liakhovetski escreveu:
> (re-adding all from the original CC-list, please, don't drop anyone)
>
> On Thu, 4 Aug 2011, Jean-Francois Moine wrote:
>
>> On Thu, 04 Aug 2011 09:40:18 -0300
>> Mauro Carvalho Chehab wrote:
>>
What we need for this is a simple API (ne
Em 04-08-2011 15:37, Theodore Kilgore escreveu:
>>> Yes, that kind of thing is an obvious problem. Actually, though, it may be
>>> that this had just better not happen. For some of the hardware that I know
>>> of, it could be a real problem no matter what approach would be taken. For
>>> example
(re-adding all from the original CC-list, please, don't drop anyone)
On Thu, 4 Aug 2011, Jean-Francois Moine wrote:
> On Thu, 04 Aug 2011 09:40:18 -0300
> Mauro Carvalho Chehab wrote:
>
> > > What we need for this is a simple API (new v4l ioctl's I guess) for the
> > > stillcam mode of these du
On Thu, 4 Aug 2011, Jean-Francois Moine wrote:
> On Thu, 04 Aug 2011 09:40:18 -0300
> Mauro Carvalho Chehab wrote:
>
> > > What we need for this is a simple API (new v4l ioctl's I guess) for the
> > > stillcam mode of these dual mode cameras (stillcam + webcam). So that the
> > > webcam driver
On Thu, 4 Aug 2011, Mauro Carvalho Chehab wrote:
> Em 04-08-2011 08:39, Hans de Goede escreveu:
> > Hi,
> >
> > On 08/03/2011 10:36 PM, Mauro Carvalho Chehab wrote:
> >> Em 03-08-2011 16:53, Theodore Kilgore escreveu:
> >
> >
> >
> >>> Mauro,
> >>>
> >>> Not saying that you need to change th
(Added Hans to the reply. I already knew that he shares my concerns about
this issue, and I am glad he has joined the discussion.)
On Thu, 4 Aug 2011, Mauro Carvalho Chehab wrote:
> Em 03-08-2011 20:20, Theodore Kilgore escreveu:
> >
> >
> > On Wed, 3 Aug 2011, Mauro Carvalho Chehab wrote:
>
On Thu, 04 Aug 2011 09:40:18 -0300
Mauro Carvalho Chehab wrote:
> > What we need for this is a simple API (new v4l ioctl's I guess) for the
> > stillcam mode of these dual mode cameras (stillcam + webcam). So that the
> > webcam drivers can grow code to also allow access to the stored pictures,
>
Em 04-08-2011 08:39, Hans de Goede escreveu:
> Hi,
>
> On 08/03/2011 10:36 PM, Mauro Carvalho Chehab wrote:
>> Em 03-08-2011 16:53, Theodore Kilgore escreveu:
>
>
>
>>> Mauro,
>>>
>>> Not saying that you need to change the program for this session to deal
>>> with this topic, but an old and vex
Em 03-08-2011 20:20, Theodore Kilgore escreveu:
>
>
> On Wed, 3 Aug 2011, Mauro Carvalho Chehab wrote:
>
>> Em 03-08-2011 16:53, Theodore Kilgore escreveu:
>>>
>>>
>>> On Wed, 3 Aug 2011, Mauro Carvalho Chehab wrote:
>>>
As already announced, we're continuing the planning for this year's
>
Hi,
On 08/03/2011 10:36 PM, Mauro Carvalho Chehab wrote:
Em 03-08-2011 16:53, Theodore Kilgore escreveu:
Mauro,
Not saying that you need to change the program for this session to deal
with this topic, but an old and vexing problem is dual-mode devices. It is
an issue which needs some kind
On Wed, 3 Aug 2011, Mauro Carvalho Chehab wrote:
> Em 03-08-2011 16:53, Theodore Kilgore escreveu:
> >
> >
> > On Wed, 3 Aug 2011, Mauro Carvalho Chehab wrote:
> >
> >> As already announced, we're continuing the planning for this year's
> >> media subsystem workshop.
> >>
> >> To avoid overr
Em 03-08-2011 16:53, Theodore Kilgore escreveu:
>
>
> On Wed, 3 Aug 2011, Mauro Carvalho Chehab wrote:
>
>> As already announced, we're continuing the planning for this year's
>> media subsystem workshop.
>>
>> To avoid overriding the main ML with workshop-specifics, a new ML
>> was created:
>>
On Wed, 3 Aug 2011, Mauro Carvalho Chehab wrote:
> As already announced, we're continuing the planning for this year's
> media subsystem workshop.
>
> To avoid overriding the main ML with workshop-specifics, a new ML
> was created:
> workshop-2...@linuxtv.org
>
> I'll also be updating t
Em 03-08-2011 14:21, Mauro Carvalho Chehab escreveu:
> As already announced, we're continuing the planning for this year's
> media subsystem workshop.
>
> To avoid overriding the main ML with workshop-specifics, a new ML
> was created:
> workshop-2...@linuxtv.org
>
> I'll also be updating
As already announced, we're continuing the planning for this year's
media subsystem workshop.
To avoid overriding the main ML with workshop-specifics, a new ML
was created:
workshop-2...@linuxtv.org
I'll also be updating the event page at:
http://www.linuxtv.org/events.php
Over
Em 12-07-2011 12:35, Jonathan Corbet escreveu:
> On Mon, 11 Jul 2011 22:08:03 +0200
> Hans de Goede wrote:
>
>> On Wednesday 22 June 2011 20:33:34 Mauro Carvalho Chehab wrote:
>>> Media subsystem workshop 2011 - Prague - Oct 24-26
>>>
>>
>> The bel
On Mon, 11 Jul 2011 22:08:03 +0200
Hans de Goede wrote:
> On Wednesday 22 June 2011 20:33:34 Mauro Carvalho Chehab wrote:
> > Media subsystem workshop 2011 - Prague - Oct 24-26
> >
>
> The below website says Oct 23 - 25, I'm confused now and I hope
> to book a p
Hi Mauro,
On Wednesday 22 June 2011 20:33:34 Mauro Carvalho Chehab wrote:
Media subsystem workshop 2011 - Prague - Oct 24-26
The below website says Oct 23 - 25, I'm confused now and I hope
to book a plane ticket soon. Can someone tell me which
dates are correct ?
Hi Mauro,
On Wednesday 22 June 2011 20:33:34 Mauro Carvalho Chehab wrote:
Media subsystem workshop 2011 - Prague - Oct 24-26
Since 2007, we're doing annual mini-summits for the media subsystem,
in order to plan the new features that will be introduced there.
Last year, during the K
Em 27-06-2011 09:43, Laurent Pinchart escreveu:
>> The Media subsystem workshop is on early planning stages, but the idea
>> is that we'll have an entire day to do the media discussions. We'll
>> also planning to have workshop presentations inside the Kernel Summit
>> 2011 with the workshop and Ke
On Monday, June 27, 2011 15:57:21 Mauro Carvalho Chehab wrote:
> Em 27-06-2011 02:54, Hans Verkuil escreveu:
> > On Wednesday, June 22, 2011 20:33:34 Mauro Carvalho Chehab wrote:
> >> Media subsystem workshop 2011 - Prague - Oct 24-26
> >>
> >> Since 2007, we&
Hi Mauro,
On Wednesday 22 June 2011 20:33:34 Mauro Carvalho Chehab wrote:
> Media subsystem workshop 2011 - Prague - Oct 24-26
>
> Since 2007, we're doing annual mini-summits for the media subsystem,
> in order to plan the new features that will be introduced there.
>
>
Media subsystem workshop 2011 - Prague - Oct 24-26
Since 2007, we're doing annual mini-summits for the media subsystem,
in order to plan the new features that will be introduced there.
Last year, during the Kernel Summit 2010, it was decided that the Kernel
Summit 2011 format will be mod
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