[FFmpeg-devel] [PATCH 2/3] avfilter: add an LCEVC decoding filter

[James Almer]

On 3/19/2024 12:20 PM, Kieran Kunhya wrote:
> On Tue, 19 Mar 2024 at 15:05, James Almer <jamrial at gmail.com> wrote:
> 
>> On 3/19/2024 11:56 AM, Andreas Rheinhardt wrote:
>>> James Almer:
>>>> Signed-off-by: James Almer <jamrial at gmail.com>
>>>> ---
>>>>    configure                |   4 +
>>>>    libavfilter/Makefile     |   1 +
>>>>    libavfilter/allfilters.c |   1 +
>>>>    libavfilter/vf_lcevc.c   | 466 +++++++++++++++++++++++++++++++++++++++
>>>>    4 files changed, 472 insertions(+)
>>>>    create mode 100644 libavfilter/vf_lcevc.c
>>>>
>>>> diff --git a/configure b/configure
>>>> index e019d1b996..4022d13f76 100755
>>>> --- a/configure
>>>> +++ b/configure
>>>> @@ -224,6 +224,7 @@ External library support:
>>>>      --enable-libcdio         enable audio CD grabbing with libcdio [no]
>>>>      --enable-libcodec2       enable codec2 en/decoding using libcodec2
>> [no]
>>>>      --enable-libdav1d        enable AV1 decoding via libdav1d [no]
>>>> +  --enable-liblcevc_dec    enable AV1 decoding via liblcevc_dec [no]
>>>
>>> How is this filter supposed to decode AV1 if it does not even get
>>> AVPackets? It seems to be for decoding an EVC enhancment layer instead.
>>
>> Simple, it doesn't. It's a copy-paste fail from my part.
>> Fixed locally.
>>
>>
>  From https://github.com/v-novaltd/LCEVCdec
> " This software is protected by copyrights and other intellectual property
> rights and no license is granted to any such rights. If you would like to
> obtain a license to compile, distribute, or make any other use of this
> software, please contact V-Nova Limited info at v-nova.com."
> 
> So you want to include a library that requires ffmpeg users to obtain a
> licence to compile?

Would adding it to the nonfree list be enough? But it's true that most 
users would not be aware of the aforementioned limitations.