I'd like to revive this discussion.
Le lundi 01 août 2016 à 12:56 +0200, Hans Verkuil a écrit :
> >
> > Hans, Marek, any opinion on this ?
>
> What is the use-case for this? What you are doing here is to either free all
> existing buffers or reallocate buffers. We can decide to rely on
Hi Hans,
On 2016-08-01 7:56 PM, Hans Verkuil wrote:
>
>
> On 07/27/2016 02:57 PM, Laurent Pinchart wrote:
>> Hello Kobayashi-san,
>>
>> (CC'ing Hans Verkuil and Marek Szyprowski)
>>
>> On Wednesday 27 Jul 2016 16:51:47 Kazunori Kobayashi wrote:
>>> Hi,
>>>
>>> I have a question about memory
> That's a good question. On one extreme an application trying to allocate 32
> 50MB buffers would seem suspicious to me, but on the other hand it would be
> difficult to answer the question in a way that can be translated into code.
8k video in the ARGB 8bit 4:4:4 colorspace, would need a 126MB
On Monday 01 Aug 2016 12:16:25 Steven Toth wrote:
> > That's a good question. On one extreme an application trying to allocate
> > 32 50MB buffers would seem suspicious to me, but on the other hand it
> > would be difficult to answer the question in a way that can be translated
> > into code.
>
>
Hi Hans,
On Monday 01 Aug 2016 15:59:54 Hans Verkuil wrote:
> On 08/01/2016 03:49 PM, Laurent Pinchart wrote:
> > On Monday 01 Aug 2016 14:27:48 Hans Verkuil wrote:
> >> On 08/01/2016 02:17 PM, Laurent Pinchart wrote:
> >>> On Monday 01 Aug 2016 12:56:55 Hans Verkuil wrote:
> On 07/27/2016
Hi Hans,
On Monday 01 Aug 2016 14:27:48 Hans Verkuil wrote:
> On 08/01/2016 02:17 PM, Laurent Pinchart wrote:
> > On Monday 01 Aug 2016 12:56:55 Hans Verkuil wrote:
> >> On 07/27/2016 02:57 PM, Laurent Pinchart wrote:
> >>> On Wednesday 27 Jul 2016 16:51:47 Kazunori Kobayashi wrote:
> Hi,
>
On 08/01/2016 03:49 PM, Laurent Pinchart wrote:
> Hi Hans,
>
> On Monday 01 Aug 2016 14:27:48 Hans Verkuil wrote:
>> On 08/01/2016 02:17 PM, Laurent Pinchart wrote:
>>> On Monday 01 Aug 2016 12:56:55 Hans Verkuil wrote:
On 07/27/2016 02:57 PM, Laurent Pinchart wrote:
> On Wednesday 27
On 08/01/2016 02:17 PM, Laurent Pinchart wrote:
> Hi Hans,
>
> On Monday 01 Aug 2016 12:56:55 Hans Verkuil wrote:
>> On 07/27/2016 02:57 PM, Laurent Pinchart wrote:
>>> On Wednesday 27 Jul 2016 16:51:47 Kazunori Kobayashi wrote:
Hi,
I have a question about memory freeing by
Hi Hans,
On Monday 01 Aug 2016 12:56:55 Hans Verkuil wrote:
> On 07/27/2016 02:57 PM, Laurent Pinchart wrote:
> > On Wednesday 27 Jul 2016 16:51:47 Kazunori Kobayashi wrote:
> >> Hi,
> >>
> >> I have a question about memory freeing by calling REQBUF(0) before all
> >> the dmabuf fds exported
On 07/27/2016 02:57 PM, Laurent Pinchart wrote:
> Hello Kobayashi-san,
>
> (CC'ing Hans Verkuil and Marek Szyprowski)
>
> On Wednesday 27 Jul 2016 16:51:47 Kazunori Kobayashi wrote:
>> Hi,
>>
>> I have a question about memory freeing by calling REQBUF(0) before all the
>> dmabuf fds exported
Hello Kobayashi-san,
(CC'ing Hans Verkuil and Marek Szyprowski)
On Wednesday 27 Jul 2016 16:51:47 Kazunori Kobayashi wrote:
> Hi,
>
> I have a question about memory freeing by calling REQBUF(0) before all the
> dmabuf fds exported with VIDIOC_EXPBUF are closed.
>
> In calling REQBUF(0),
Hi,
I have a question about memory freeing by calling REQBUF(0) before all the
dmabuf fds exported with VIDIOC_EXPBUF are closed.
In calling REQBUF(0), videobuf2-core returns -EBUSY when the reference count
of a vb2 buffer is more than 1. When dmabuf fds are not exported (usual
V4L2_MEMORY_MMAP
12 matches
Mail list logo
