[FFmpeg-devel] [PATCH] Add enable_keyframe_filtering option for libaom-av1 encoder.

[Steven Liu]

> 2020年11月6日 上午2:29，Bohan Li <bohanli-at-google.com at ffmpeg.org> 写道：
> 
> Another ping :)
I think maybe you should fix JEEB’s review comment, then will get responses comments.
Not only apply a middle version.
> 
> Bohan
> 
> On Fri, Oct 30, 2020 at 2:43 PM Bohan Li <bohanli at google.com> wrote:
> 
>> Gentle ping :)
>> 
>> Bohan
>> 
>> On Tue, Oct 27, 2020 at 4:13 PM Bohan Li <bohanli at google.com> wrote:
>> 
>>> Hi Jan,
>>> 
>>> Thanks for the suggestion! I believe that is a good idea. I am not super
>>> familiar with this part, though, so will probably need to propose this to
>>> the Aomedia issue tracker.
>>> Meanwhile I think it is also useful to expose useful options (like this
>>> one, enable-keyframe-filtering, which is discussed quite a few times in the
>>> community as far as I know) to the users as well. So I think we should
>>> still apply this patch, and if once the mentioned API is working, we could
>>> maybe re-consider which ones are more needed.
>>> 
>>> Best,
>>> Bohan
>>> 
>>> On Tue, Oct 27, 2020 at 2:19 PM Jan Ekström <jeebjp at gmail.com> wrote:
>>> 
>>>> On Tue, Oct 27, 2020 at 10:38 PM Bohan Li
>>>> <bohanli-at-google.com at ffmpeg.org> wrote:
>>>>> 
>>>>> Add the option to use -enable-keyframe-filtering with libaom-av1
>>>>> codec.  The option controls the encoder behavior on performing
>>>>> temporal filtering on keyframes.
>>>>> 
>>>> 
>>>> Hi,
>>>> 
>>>> Looking at the amount of options etc which you want to expose to
>>>> FFmpeg users (or just utilize yourselves via FFmpeg), and by the
>>>> feeling that we're duplicating a lot of option parsing that aomenc CLI
>>>> is already doing, I wonder if it would be more useful for libaom to
>>>> provide a key=value API? This then could be exposed to FFmpeg users
>>>> with an option similar to {x264,x265,rav1e}-params.
>>>> 
>>>> This way each time libaom adds new options, they don't explicitly need
>>>> to be added to the wrapper. They can just be utilized.
>>>> 
>>>> Best regards,
>>>> Jan
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>>> 
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Thanks

Steven Liu