From: Alexander Gordeev <alexander.gordeev@opensynergy.com>
To: Alexandre Courbot <acourbot@chromium.org>
Cc: "Cornelia Huck" <cohuck@redhat.com>,
virtio-dev@lists.oasis-open.org,
"Keiichi Watanabe" <keiichiw@chromium.org>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Marcin Wojtas" <mwojtas@google.com>,
"Matti Möll" <Matti.Moell@opensynergy.com>,
"Andrew Gazizov" <andrew.gazizov@opensynergy.com>,
"Enrico Granata" <egranata@google.com>,
"Gustavo Padovan" <gustavo.padovan@collabora.com>,
"Peter Griffin" <peter.griffin@linaro.org>,
"Bartłomiej Grzesik" <bag@semihalf.com>,
"Tomasz Figa" <tfiga@chromium.org>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Enric Balletbo i Serra" <eballetb@redhat.com>,
"Albert Esteve" <aesteve@redhat.com>
Subject: Re: [virtio-dev] Re: [RFC PATCH v6] virtio-video: Add virtio video device specification
Date: Wed, 17 May 2023 13:04:03 +0200 [thread overview]
Message-ID: <7d745243-1796-150b-3cf0-e43679611cca@opensynergy.com> (raw)
In-Reply-To: <CAPBb6MXGk-j9_hdU0DCSWoo=cUOFSxRjmLyoXObC8u2BmKeRdg@mail.gmail.com>
On 12.05.23 06:09, Alexandre Courbot wrote:
> On Thu, May 11, 2023 at 5:50 PM Alexander Gordeev
> <alexander.gordeev@opensynergy.com> wrote:
>>
>> 3. We can have things, that V4L2 doesn't support in their stateful UAPI.
>> For example, dequeuing output buffers in decoder order.
>
> ... provided the host can do that (i.e. has a stateless decoder
> interface).
Indeed dequeuing in decoding order is obviously possible with stateless
interfaces. But it is often possible with stateful interfaces too AFAIK,
just not with V4L2. For example, we have this option on some of our
targets because the codecs are exposed using OMX with some vendor
extensions. This is a stateful interface.
--
Alexander Gordeev
Senior Software Engineer
OpenSynergy GmbH
Rotherstr. 20, 10245 Berlin
Phone: +49 30 60 98 54 0 - 88
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next prev parent reply other threads:[~2023-05-17 11:05 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-08 7:23 [virtio-dev] [RFC PATCH v6] virtio-video: Add virtio video device specification Alexandre Courbot
2022-12-08 15:00 ` Cornelia Huck
2022-12-27 5:38 ` Alexandre Courbot
2023-01-11 8:45 ` Cornelia Huck
2023-01-12 6:32 ` Alexandre Courbot
2023-01-12 15:23 ` Cornelia Huck
2022-12-19 16:59 ` [virtio-dev] " Alexander Gordeev
2022-12-20 9:51 ` Cornelia Huck
2022-12-20 10:35 ` Alexander Gordeev
2022-12-20 17:39 ` Cornelia Huck
2022-12-21 14:56 ` Alexander Gordeev
2022-12-27 7:31 ` Alexandre Courbot
2023-01-11 18:42 ` Alexander Gordeev
2023-01-11 20:13 ` Alex Bennée
2023-01-12 6:40 ` Alexandre Courbot
2023-01-12 6:39 ` Alexandre Courbot
2023-01-18 23:06 ` Alexander Gordeev
2023-02-06 14:12 ` Cornelia Huck
2023-02-07 6:16 ` Alexandre Courbot
2023-02-07 13:59 ` Cornelia Huck
2023-03-10 10:50 ` Cornelia Huck
2023-03-10 13:19 ` Alexandre Courbot
2023-03-10 14:20 ` Cornelia Huck
2023-03-14 5:06 ` Alexandre Courbot
2023-03-16 10:12 ` Alexander Gordeev
2023-03-17 7:24 ` Alexandre Courbot
2023-04-17 12:51 ` Alexander Gordeev
2023-04-17 14:43 ` Cornelia Huck
2023-04-19 7:39 ` Alexander Gordeev
2023-04-19 21:34 ` Enrico Granata
2023-04-21 14:48 ` Alexander Gordeev
2023-04-21 4:02 ` Alexandre Courbot
2023-04-21 16:01 ` Alexander Gordeev
2023-04-24 7:52 ` Alexander Gordeev
2023-04-25 16:04 ` Cornelia Huck
2023-04-26 6:29 ` Alexandre Courbot
2023-04-27 14:10 ` Alexander Gordeev
2023-04-28 4:02 ` Alexandre Courbot
2023-04-28 8:54 ` Alexander Gordeev
2023-05-02 1:07 ` Alexandre Courbot
2023-05-02 11:12 ` Alexander Gordeev
2023-04-26 5:52 ` Alexandre Courbot
2023-04-27 14:20 ` Alexander Gordeev
2023-04-28 3:22 ` Alexandre Courbot
2023-04-28 8:22 ` Alexander Gordeev
2023-04-26 15:52 ` Alexander Gordeev
2023-04-27 13:23 ` Alexandre Courbot
2023-04-27 15:12 ` Alexander Gordeev
2023-04-28 3:24 ` Alexandre Courbot
2023-04-28 8:31 ` Alexander Gordeev
[not found] ` <CALgKJBqKWng508cB_F_uD2fy9EAvQ36rYR3fRb57sFd3ihpUFw@mail.gmail.com>
2023-04-26 16:00 ` Alexander Gordeev
2023-04-27 10:13 ` Bartłomiej Grzesik
2023-04-27 14:34 ` Alexander Gordeev
2023-04-28 3:22 ` Alexandre Courbot
2023-04-28 7:57 ` Alexander Gordeev
2023-04-21 4:02 ` Alexandre Courbot
2023-04-26 15:11 ` Alexander Gordeev
2023-04-27 13:16 ` Alexandre Courbot
2023-04-28 7:47 ` Alexander Gordeev
2023-05-03 14:04 ` Cornelia Huck
2023-05-03 15:11 ` Alex Bennée
2023-05-03 15:53 ` Cornelia Huck
2023-05-05 9:57 ` Alexander Gordeev
[not found] ` <168329085253.1880445.14002473591422425775@Monstersaurus>
2023-05-05 15:55 ` Alex Bennée
2023-05-16 12:57 ` Alexander Gordeev
[not found] ` <20230506081229.GA8114@pendragon.ideasonboard.com>
[not found] ` <20230506081633.GB8114@pendragon.ideasonboard.com>
2023-05-08 8:00 ` [virtio-dev] Re: [libcamera-devel] " Alexandre Courbot
2023-05-16 13:50 ` Alexander Gordeev
2023-05-17 3:58 ` Tomasz Figa
2023-05-05 12:28 ` Alexander Gordeev
2023-05-05 11:54 ` Alexander Gordeev
2023-05-08 4:55 ` Alexandre Courbot
2023-05-11 8:50 ` Alexander Gordeev
2023-05-11 9:00 ` Alexander Gordeev
2023-05-12 4:15 ` Alexandre Courbot
2023-05-17 7:35 ` Alexander Gordeev
2023-05-12 4:09 ` Alexandre Courbot
2023-05-16 14:53 ` Alexander Gordeev
2023-05-17 16:28 ` Cornelia Huck
2023-05-18 6:29 ` Alexander Gordeev
2023-05-18 19:35 ` Michael S. Tsirkin
2023-05-17 11:04 ` Alexander Gordeev [this message]
2023-03-27 13:00 ` Albert Esteve
2023-04-15 5:58 ` Alexandre Courbot
2023-04-17 12:56 ` Cornelia Huck
2023-04-17 13:13 ` Alexander Gordeev
2023-04-17 13:22 ` Cornelia Huck
2023-02-07 11:11 ` Alexander Gordeev
2023-02-07 6:51 ` Alexandre Courbot
2023-02-07 10:57 ` Alexander Gordeev
2023-01-11 17:04 ` Alexander Gordeev
2023-01-12 6:32 ` Alexandre Courbot
2023-01-12 22:24 ` Alexander Gordeev
2023-01-11 18:45 ` Alexander Gordeev
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