Hi Sylwester,
Sylwester Nawrocki wrote:
On 09/17/2012 07:19 PM, Sakari Ailus wrote:
Sylwester Nawrocki wrote:
On 09/16/2012 05:33 PM, Laurent Pinchart wrote:
On Sunday 16 September 2012 15:57:14 Hans Verkuil wrote:
On Sat September 15 2012 22:16:24 Sylwester Nawrocki wrote:
On 09/15/2012 02
Hi Sakari,
On 09/17/2012 07:19 PM, Sakari Ailus wrote:
> Sylwester Nawrocki wrote:
>> On 09/16/2012 05:33 PM, Laurent Pinchart wrote:
>>> On Sunday 16 September 2012 15:57:14 Hans Verkuil wrote:
On Sat September 15 2012 22:16:24 Sylwester Nawrocki wrote:
> On 09/15/2012 02:35 PM, Hans Ver
Hi Sylwester,
Sylwester Nawrocki wrote:
On 09/16/2012 05:33 PM, Laurent Pinchart wrote:
On Sunday 16 September 2012 15:57:14 Hans Verkuil wrote:
On Sat September 15 2012 22:16:24 Sylwester Nawrocki wrote:
On 09/15/2012 02:35 PM, Hans Verkuil wrote:
If we switch all existing drivers to monoto
On Mon, Sep 17, 2012 at 11:18:58AM +0200, Laurent Pinchart wrote:
> > >> Well, ALSA allows you to switch between gettimeofday and monotonic. So in
> > >> theory at least if an app selects gettimeofday for alsa, that app might
> > >> also want to select gettimeofday for v4l2.
>
> Does it, in its ke
On Mon September 17 2012 11:18:58 Laurent Pinchart wrote:
> Hi Sylwester,
>
> On Sunday 16 September 2012 23:59:42 Sylwester Nawrocki wrote:
> > On 09/16/2012 05:33 PM, Laurent Pinchart wrote:
> > > On Sunday 16 September 2012 15:57:14 Hans Verkuil wrote:
> > >> On Sat September 15 2012 22:16:24 S
Hi Sylwester,
On Sunday 16 September 2012 23:59:42 Sylwester Nawrocki wrote:
> On 09/16/2012 05:33 PM, Laurent Pinchart wrote:
> > On Sunday 16 September 2012 15:57:14 Hans Verkuil wrote:
> >> On Sat September 15 2012 22:16:24 Sylwester Nawrocki wrote:
> >>> On 09/15/2012 02:35 PM, Hans Verkuil wr
On Sun, Sep 16, 2012 at 11:59:42PM +0200, Sylwester Nawrocki wrote:
> On 09/16/2012 05:33 PM, Laurent Pinchart wrote:
> > On Sunday 16 September 2012 15:57:14 Hans Verkuil wrote:
> >> On Sat September 15 2012 22:16:24 Sylwester Nawrocki wrote:
> >>> There is already lots of overhead related to the
On 09/16/2012 05:33 PM, Laurent Pinchart wrote:
> On Sunday 16 September 2012 15:57:14 Hans Verkuil wrote:
>> On Sat September 15 2012 22:16:24 Sylwester Nawrocki wrote:
>>> On 09/15/2012 02:35 PM, Hans Verkuil wrote:
>>> If we switch all existing drivers to monotonic timestamps in kernel
>
On Sunday 16 September 2012 15:57:14 Hans Verkuil wrote:
> On Sat September 15 2012 22:16:24 Sylwester Nawrocki wrote:
> > On 09/15/2012 02:35 PM, Hans Verkuil wrote:
> > If we switch all existing drivers to monotonic timestamps in kernel
> > release
> > 3.x, v4l2-compliance can just
On Sat September 15 2012 22:16:24 Sylwester Nawrocki wrote:
> On 09/15/2012 02:35 PM, Hans Verkuil wrote:
> If we switch all existing drivers to monotonic timestamps in kernel
> release
> 3.x, v4l2-compliance can just use the version it gets from
> VIDIOC_QUERYCAP and
> e
On 09/15/2012 02:35 PM, Hans Verkuil wrote:
If we switch all existing drivers to monotonic timestamps in kernel release
3.x, v4l2-compliance can just use the version it gets from VIDIOC_QUERYCAP
and
enforce monotonic timestamps verification if the version is>= 3.x. This
i
On Sat September 15 2012 12:37:58 Sakari Ailus wrote:
> Hi Hans and Laurent,
>
> Hans Verkuil wrote:
> > On Sat September 15 2012 11:31:29 Laurent Pinchart wrote:
> >> Hi Hans,
> >>
> >> On Saturday 15 September 2012 09:41:59 Hans Verkuil wrote:
> >>> On Fri September 14 2012 23:05:45 Sakari Ailus
Hi Hans and Laurent,
Hans Verkuil wrote:
On Sat September 15 2012 11:31:29 Laurent Pinchart wrote:
Hi Hans,
On Saturday 15 September 2012 09:41:59 Hans Verkuil wrote:
On Fri September 14 2012 23:05:45 Sakari Ailus wrote:
Rémi Denis-Courmont wrote:
Le vendredi 14 septembre 2012 23:25:01, Sak
Hi,
On 09/15/2012 11:31 AM, Laurent Pinchart wrote:
> Hi Hans,
>
> On Saturday 15 September 2012 09:41:59 Hans Verkuil wrote:
>> On Fri September 14 2012 23:05:45 Sakari Ailus wrote:
>>> Rémi Denis-Courmont wrote:
Le vendredi 14 septembre 2012 23:25:01, Sakari Ailus a écrit :
> I had a q
On Sat September 15 2012 11:31:29 Laurent Pinchart wrote:
> Hi Hans,
>
> On Saturday 15 September 2012 09:41:59 Hans Verkuil wrote:
> > On Fri September 14 2012 23:05:45 Sakari Ailus wrote:
> > > Rémi Denis-Courmont wrote:
> > > > Le vendredi 14 septembre 2012 23:25:01, Sakari Ailus a écrit :
> >
Hi Hans,
On Saturday 15 September 2012 09:41:59 Hans Verkuil wrote:
> On Fri September 14 2012 23:05:45 Sakari Ailus wrote:
> > Rémi Denis-Courmont wrote:
> > > Le vendredi 14 septembre 2012 23:25:01, Sakari Ailus a écrit :
> > >> I had a quick discussion with Laurent, and what he suggested was to
On Fri September 14 2012 23:05:45 Sakari Ailus wrote:
> Hi Rémi,
>
> Rémi Denis-Courmont wrote:
> > Le vendredi 14 septembre 2012 23:25:01, Sakari Ailus a écrit :
> >> I had a quick discussion with Laurent, and what he suggested was to use
> >> the kernel version to figure out the type of the time
Hi Rémi,
Rémi Denis-Courmont wrote:
Le vendredi 14 septembre 2012 23:25:01, Sakari Ailus a écrit :
I had a quick discussion with Laurent, and what he suggested was to use
the kernel version to figure out the type of the timestamp. The drivers
that use the monotonic time right now wouldn't be af
Le vendredi 14 septembre 2012 23:25:01, Sakari Ailus a écrit :
> I had a quick discussion with Laurent, and what he suggested was to use
> the kernel version to figure out the type of the timestamp. The drivers
> that use the monotonic time right now wouldn't be affected by the new
> flag on older
Hi Hans,
Thanks for the patch.
Hans Verkuil wrote:
...
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -290,6 +290,7 @@ struct v4l2_capability {
#define V4L2_CAP_ASYNCIO0x0200 /* async I/O */
#define V4L2_CAP_STREAMING 0x0400 /* stre
Add a new flag that tells userspace that the monotonic clock is used
for timestamps and update the documentation accordingly.
We decided on this new flag during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil
Reviewed-by: Sylwester Nawrocki
Acked-by: Laurent Pinchart
---
Documentation/Do
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