linux-kernel - Re: [PATCH v3 1/4] media: v4l2-ctrls: Add new V4L2_H264_DECODE_PARAM_FLAG

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Message-ID: <fbdc230c-35f8-01d9-ae26-0bfbd92ffaa6@collabora.com>
Date:   Fri, 11 Feb 2022 17:21:26 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Nicolas Dufresne <nicolas@...fresne.ca>,
        Dmitry Osipenko <digetx@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
Cc:     linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/4] media: v4l2-ctrls: Add new
 V4L2_H264_DECODE_PARAM_FLAG_P/BFRAME flags

11.02.2022 16:29, Nicolas Dufresne пишет:
> Le lundi 07 février 2022 à 17:19 +0300, Dmitry Osipenko a écrit :
>> Add new V4L2_H264_DECODE_PARAM_FLAG_P/BFRAME flags that are needed by
>> NVIDIA Tegra video decoder. Userspace will have to set these flags in
>> accordance to the type of a decoded frame.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
>> ---
> Can you share here (out of commit) a userland implementation that was used to
> demonstrate the new API ? It does not matter which project (GStreamer, FFMPEG,
> Chromium, your_test_progtram). Should be fairly straightforward. This is just to
> be transparent.
> 

You may find all the links in the cover letter, please see the
grate-driver's GStreamer [1] and libvdpau-tegra [2]:

[1] https://github.com/grate-driver/gstreamer/commits/main
[2] https://github.com/grate-driver/libvdpau-tegra/commits/master