Guennadi Liakhovetski wrote:
> On Wed, 3 Aug 2011, Hans Verkuil wrote:
>
On Thu, 28 Jul 2011, Hans Verkuil wrote:
> On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
>> Hi Guennadi,
>>
>> On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
>> wrote:
>>> A
On Wed, 3 Aug 2011, Hans Verkuil wrote:
> >> On Thu, 28 Jul 2011, Hans Verkuil wrote:
> >>
> >>> On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
> >>> > Hi Guennadi,
> >>> >
> >>> > On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
> >>> > wrote:
> >>> > > A possibility to preallocate
>> On Thu, 28 Jul 2011, Hans Verkuil wrote:
>>
>>> On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
>>> > Hi Guennadi,
>>> >
>>> > On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
>>> > wrote:
>>> > > A possibility to preallocate and initialise buffers of different
>>> sizes
>>> > > in
On Wed, Jul 27, 2011 at 09:11:38PM -0700, Pawel Osciak wrote:
> Hi Guennadi,
Hi Pawel,
> On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
> wrote:
> > A possibility to preallocate and initialise buffers of different sizes
> > in V4L2 is required for an efficient implementation of asnapshot m
On Tue, 2 Aug 2011, Sakari Ailus wrote:
> Uh, I'm a bit lost now. Do different buffer types (e.g. capture, overlay
> and input) need to be taken into account here, and if so, how? My
> understanding was this is not related to preparing buffers.
They all should be dealt with correctly. If you find
Guennadi Liakhovetski wrote:
> On Tue, 2 Aug 2011, Sakari Ailus wrote:
>
>> Guennadi Liakhovetski wrote:
>>> On Tue, 2 Aug 2011, Sakari Ailus wrote:
>>>
Guennadi Liakhovetski wrote:
> On Mon, 1 Aug 2011, Sakari Ailus wrote:
>
>> Guennadi Liakhovetski wrote:
>>> On Tue, 26 Jul
On Tue, 2 Aug 2011, Sakari Ailus wrote:
> Guennadi Liakhovetski wrote:
> > On Tue, 2 Aug 2011, Sakari Ailus wrote:
> >
> >> Guennadi Liakhovetski wrote:
> >>> On Mon, 1 Aug 2011, Sakari Ailus wrote:
> >>>
> Guennadi Liakhovetski wrote:
> > On Tue, 26 Jul 2011, Hans Verkuil wrote:
> >
Guennadi Liakhovetski wrote:
> On Tue, 2 Aug 2011, Sakari Ailus wrote:
>
>> Guennadi Liakhovetski wrote:
>>> On Mon, 1 Aug 2011, Sakari Ailus wrote:
>>>
Guennadi Liakhovetski wrote:
> On Tue, 26 Jul 2011, Hans Verkuil wrote:
>
>> On Tuesday, July 26, 2011 13:44:28 Sakari Ailus wro
> On Thu, 28 Jul 2011, Hans Verkuil wrote:
>
>> On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
>> > Hi Guennadi,
>> >
>> > On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
>> > wrote:
>> > > A possibility to preallocate and initialise buffers of different
>> sizes
>> > > in V4L2 is re
On Tue, 2 Aug 2011, Sakari Ailus wrote:
> Guennadi Liakhovetski wrote:
> > On Mon, 1 Aug 2011, Sakari Ailus wrote:
> >
> >> Guennadi Liakhovetski wrote:
> >>> On Tue, 26 Jul 2011, Hans Verkuil wrote:
> >>>
> On Tuesday, July 26, 2011 13:44:28 Sakari Ailus wrote:
> > Hi Hans and Guennadi,
On Thu, 28 Jul 2011, Hans Verkuil wrote:
> On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
> > Hi Guennadi,
> >
> > On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
> > wrote:
> > > A possibility to preallocate and initialise buffers of different sizes
> > > in V4L2 is required for a
Guennadi Liakhovetski wrote:
> On Mon, 1 Aug 2011, Sakari Ailus wrote:
>
>> Guennadi Liakhovetski wrote:
>>> On Tue, 26 Jul 2011, Hans Verkuil wrote:
>>>
On Tuesday, July 26, 2011 13:44:28 Sakari Ailus wrote:
> Hi Hans and Guennadi,
>> I realized that it is not clear f
On Mon, 1 Aug 2011, Sakari Ailus wrote:
> Guennadi Liakhovetski wrote:
> > On Tue, 26 Jul 2011, Hans Verkuil wrote:
> >
> >> On Tuesday, July 26, 2011 13:44:28 Sakari Ailus wrote:
> >>> Hi Hans and Guennadi,
> >>
> >>
> >>
> I realized that it is not clear from the documentation whether it
Guennadi Liakhovetski wrote:
> On Tue, 26 Jul 2011, Hans Verkuil wrote:
>
>> On Tuesday, July 26, 2011 13:44:28 Sakari Ailus wrote:
>>> Hi Hans and Guennadi,
>>
>>
>>
I realized that it is not clear from the documentation whether it is
possible to call
VIDIOC_REQBUFS and make addi
On Sat, 30 Jul 2011, Hans Verkuil wrote:
[snip]
> No. We do not have a mechanism (yet) to tie a pipeline configuration to
> a queued buffer (to be discussed in next week in Cambourne).
>
> It is my understanding that you change the current streaming format, and
> then queue the large (prepared)
On Tue, 26 Jul 2011, Hans Verkuil wrote:
> On Tuesday, July 26, 2011 13:44:28 Sakari Ailus wrote:
> > Hi Hans and Guennadi,
>
>
>
> > > I realized that it is not clear from the documentation whether it is
> > > possible to call
> > > VIDIOC_REQBUFS and make additional calls to VIDIOC_CREATE_BU
On Sat, 30 Jul 2011, Hans Verkuil wrote:
> On Saturday, July 30, 2011 06:21:37 Pawel Osciak wrote:
[snip]
> > So when the driver sees a larger buffer being queued, it is
> > to change the current streaming format for the duration of filling
> > that buffer and switch back afterwards?
>
> No. We
On Saturday, July 30, 2011 06:21:37 Pawel Osciak wrote:
> Hi Hans,
>
> On Wed, Jul 27, 2011 at 23:56, Hans Verkuil wrote:
> > On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
> >> Hi Guennadi,
> >>
> >> On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
> >> wrote:
> >> > A possibility
Hi Hans,
On Wed, Jul 27, 2011 at 23:56, Hans Verkuil wrote:
> On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
>> Hi Guennadi,
>>
>> On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
>> wrote:
>> > A possibility to preallocate and initialise buffers of different sizes
>> > in V4L2 is r
On Thu, Jul 28, 2011 at 02:42:52PM +0200, Hans Verkuil wrote:
> On Thursday, July 28, 2011 14:29:38 Guennadi Liakhovetski wrote:
> > On Thu, 28 Jul 2011, Hans Verkuil wrote:
> >
> > > On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
> > > > Hi Guennadi,
> > > >
> > > > On Wed, Jul 20, 2011
On Thursday, July 28, 2011 14:29:38 Guennadi Liakhovetski wrote:
> On Thu, 28 Jul 2011, Hans Verkuil wrote:
>
> > On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
> > > Hi Guennadi,
> > >
> > > On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
> > > wrote:
> > > > A possibility to prea
On Thu, 28 Jul 2011, Hans Verkuil wrote:
> On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
> > Hi Guennadi,
> >
> > On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
> > wrote:
> > > A possibility to preallocate and initialise buffers of different sizes
> > > in V4L2 is required for a
Hi Sylwester
On Wed, 27 Jul 2011, Sylwester Nawrocki wrote:
> Hi Gueannadi,
>
> On 07/20/2011 10:43 AM, Guennadi Liakhovetski wrote:
> > A possibility to preallocate and initialise buffers of different sizes
> > in V4L2 is required for an efficient implementation of asnapshot mode.
> > This patc
On Tue, 26 Jul 2011, Hans Verkuil wrote:
[snip]
> I am happy with the API. The only thing that's unclear to me is whether you
> can call
> CREATE_BUFS after REQBUFS. And if not, then why not? It would also be helpful
> to see
> the full patch series as the last one was from April. It is interes
On Thursday, July 28, 2011 06:11:38 Pawel Osciak wrote:
> Hi Guennadi,
>
> On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
> wrote:
> > A possibility to preallocate and initialise buffers of different sizes
> > in V4L2 is required for an efficient implementation of asnapshot mode.
> > This p
Hi Guennadi,
On Wed, Jul 20, 2011 at 01:43, Guennadi Liakhovetski
wrote:
> A possibility to preallocate and initialise buffers of different sizes
> in V4L2 is required for an efficient implementation of asnapshot mode.
> This patch adds two new ioctl()s: VIDIOC_CREATE_BUFS and
> VIDIOC_PREPARE_BU
Hi Gueannadi,
On 07/20/2011 10:43 AM, Guennadi Liakhovetski wrote:
> A possibility to preallocate and initialise buffers of different sizes
> in V4L2 is required for an efficient implementation of asnapshot mode.
> This patch adds two new ioctl()s: VIDIOC_CREATE_BUFS and
> VIDIOC_PREPARE_BUF and d
On Tuesday, July 26, 2011 13:44:28 Sakari Ailus wrote:
> Hi Hans and Guennadi,
> > I realized that it is not clear from the documentation whether it is
> > possible to call
> > VIDIOC_REQBUFS and make additional calls to VIDIOC_CREATE_BUFS afterwards.
>
> That's actually a must if one wants to
Hi Hans and Guennadi,
On Tue, Jul 26, 2011 at 01:05:29PM +0200, Hans Verkuil wrote:
> On Wednesday, July 20, 2011 17:19:46 Sakari Ailus wrote:
> > On Wed, Jul 20, 2011 at 04:47:46PM +0200, Guennadi Liakhovetski wrote:
> > > On Wed, 20 Jul 2011, Sakari Ailus wrote:
> > >
> > > > Hi, Guennadi!
> >
On Wednesday, July 20, 2011 17:19:46 Sakari Ailus wrote:
> On Wed, Jul 20, 2011 at 04:47:46PM +0200, Guennadi Liakhovetski wrote:
> > On Wed, 20 Jul 2011, Sakari Ailus wrote:
> >
> > > Hi, Guennadi!
> > >
> > > Thanks for the patch!
> > >
> > > On Wed, Jul 20, 2011 at 10:43:08AM +0200, Guennadi
Just some typos/documentation improvements:
On Wednesday, July 20, 2011 10:43:08 Guennadi Liakhovetski wrote:
> A possibility to preallocate and initialise buffers of different sizes
> in V4L2 is required for an efficient implementation of asnapshot mode.
> This patch adds two new ioctl()s: VIDIOC
On Wed, Jul 20, 2011 at 04:47:46PM +0200, Guennadi Liakhovetski wrote:
> On Wed, 20 Jul 2011, Sakari Ailus wrote:
>
> > Hi, Guennadi!
> >
> > Thanks for the patch!
> >
> > On Wed, Jul 20, 2011 at 10:43:08AM +0200, Guennadi Liakhovetski wrote:
> > > A possibility to preallocate and initialise buf
On Wed, 20 Jul 2011, Sakari Ailus wrote:
> Hi, Guennadi!
>
> Thanks for the patch!
>
> On Wed, Jul 20, 2011 at 10:43:08AM +0200, Guennadi Liakhovetski wrote:
> > A possibility to preallocate and initialise buffers of different sizes
> > in V4L2 is required for an efficient implementation of asna
Hi, Guennadi!
Thanks for the patch!
On Wed, Jul 20, 2011 at 10:43:08AM +0200, Guennadi Liakhovetski wrote:
> A possibility to preallocate and initialise buffers of different sizes
> in V4L2 is required for an efficient implementation of asnapshot mode.
> This patch adds two new ioctl()s: VIDIOC_C
A possibility to preallocate and initialise buffers of different sizes
in V4L2 is required for an efficient implementation of asnapshot mode.
This patch adds two new ioctl()s: VIDIOC_CREATE_BUFS and
VIDIOC_PREPARE_BUF and defines respective data structures.
Signed-off-by: Guennadi Liakhovetski
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