[FFmpeg-devel] [PATCH v9 09/13] vvcdec: add LMCS, Deblocking, SAO, and ALF filters

Martin Storsjö martin at martin.st
Fri Jan 5 13:55:08 EET 2024


On Thu, 4 Jan 2024, James Almer wrote:

> On 1/4/2024 10:57 AM, Nuo Mi wrote:
>> On Thu, Jan 4, 2024 at 8:07 PM Martin Storsjö <martin at martin.st> wrote:
>> 
>>> On Thu, 4 Jan 2024, Nuo Mi wrote:
>>>
>>>> On Thu, Jan 4, 2024 at 2:38 AM Michael Niedermayer <
>>> michael at niedermayer.cc>
>>>> wrote:
>>>>
>>>>> On Tue, Jan 02, 2024 at 05:47:53PM +0800, Nuo Mi wrote:
>>>>> [...]
>>>>>> maintainer, and any HEVC code change requires a very long review time.
>>>>>
>>>>> I think changes that just move code around or rename functions would be
>>>>> quickly reviewed
>>>>> I dont know if things are 1:1 identical or some complex changes are
>>> needed
>>>>>
>>>>> I think if things are 1:1 identical it can be done now otherwise it may
>>> be
>>>>> better to do after the initial merge
>>>>>
>>>> Agree,
>>>>
>>>> Taking   https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=10404
>>> as
>>>> an example,
>>>> The following items are worth discussing, though they won't impact the
>>>> functionality:
>>>> 1. Can we use "XVC" as a common name for HEVC and VVC, or should we use
>>>> "h2656" instead of "XVC"?
>>>
>>> The name "xvc" is potentially confusing - there is another video codec
>>> with the name xvc as well - see https://xvc.io.
>>>
>> Yes, it's been dead for 4 years :). https://github.com/divideon/xvc
>> Not sure if the new codec will be named as xvc or not.
>> h2656 is safer but ugly
>
> How about h26x? h264 also shares some code with hevc and vvc, like the 
> NALu splitting code.

h264x looks clearer, not that ugly, and less ambiguous to me, so that 
sounds reasonable to me.

// Martin


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