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Subject: Re: [PATCH v4 3/5] staging: Introduce NVIDIA Tegra video decoder
 driver
From: Nicolas Dufresne <nicolas@ndufresne.ca>
To: Dmitry Osipenko <digetx@gmail.com>, Hans Verkuil <hverkuil@xs4all.nl>,
        Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
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        Rob Herring <robh+dt@kernel.org>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Stephen Warren <swarren@wwwdotorg.org>,
        Vladimir Zapolskiy <vz@mleia.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>, linux-media@vger.kernel.org,
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        Maxime Ripard <maxime.ripard@free-electrons.com>,
        Giulio Benetti <giulio.benetti@micronovasrl.com>
Date: Sun, 10 Dec 2017 14:29:39 -0500
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Le dimanche 10 décembre 2017 à 21:56 +0300, Dmitry Osipenko a écrit :
> > I've CC-ed Maxime and Giulio as well: they are looking into adding support for
> > the stateless allwinner codec based on this code as well. There may well be
> > opportunities for you to work together, esp. on the userspace side. Note that
> > Rockchip has the same issue, they too have a stateless HW codec.
> 
> IIUC, we will have to define video decoder parameters in V4L API and then make a
> V4L driver / userspace prototype (ffmpeg for example) that will use the requests
> API for video decoding in order to upstream the requests API. Does it sound good?

Chromium/Chrome already have support for that type of decoder in their
tree. In theory, it should just work.

Nicolas