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From: Daniel Stone <daniel@fooishbar.org>
Date: Tue, 3 Jan 2017 10:49:32 +0000
Message-ID: <CAPj87rPKo1OHnRK=fhU9Se3itbrySr=fQOOtgyYth2ciQ__CGQ@mail.gmail.com>
Subject: Re: [PATCH 2/2] [media] v4l: Add 10-bits per channel YUV pixel formats
To: ayaka <ayaka@soulik.info>
Cc: Sakari Ailus <sakari.ailus@iki.fi>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        "Vetter, Daniel" <daniel.vetter@intel.com>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Sean Paul <seanpaul@chromium.org>,
        David Airlie <airlied@linux.ie>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        randy.li@rock-chips.com, mchehab@kernel.org,
        linux-media@vger.kernel.org,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Sender: linux-media-owner@vger.kernel.org
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Hi all,

On 2 January 2017 at 13:03, ayaka <ayaka@soulik.info> wrote:
> On 01/02/2017 07:07 PM, Sakari Ailus wrote:
>> On Mon, Jan 02, 2017 at 06:53:16PM +0800, ayaka wrote:
>>> On 01/02/2017 05:10 PM, Sakari Ailus wrote:
>>>> If the format resembles the existing formats but on a different bit
>>>> depth,
>>>> it should be named in similar fashion.
>>>
>>> Do you mean it would be better if it is called as NV12_10?
>>
>> If it otherwise resembles NV12 but just has 10 bits per pixel, I think
>> NV12_10 is a good name for it.
>
> The main reason I don't like it is that there is a various of software
> having used the P010 for this kind of pixel format. It would leadi a
> conflict between them(and I never saw it is used as NV12_10), as the P010 is
> more common to be used.

Indeed; GStreamer, FFmpeg and Microsoft all call this P010:
https://msdn.microsoft.com/en-us/library/windows/desktop/bb970578(v=vs.85).aspx

fourcc.org is supposed to reflect Microsoft's registry, but seems to
not be actively maintained anymore.

Cheers,
Daniel