[FFmpeg-devel] STF RaptorQ

[Kieran Kunhya]

On Fri, 23 May 2025, 04:44 Lynne, <dev at lynne.ee> wrote:

> On 23/05/2025 08:42, Kieran Kunhya via ffmpeg-devel wrote:
> > Hello,
> >
> > I wanted to put on the record that adding RaptorQ to FFmpeg isn't
> > maintenance of FFmpeg.
>
> It isn't -- it's research.
> > It's adding an obscure FEC protocol to FFmpeg, which is not going to be
> > implemented well without an event loop anyway.
>
> You're mixing up FEC implementation details that don't matter for a
> library.
> It works much like a decoder - you put N blocks of Y bytes data in, and
> you get X blocks of Z byes out.
> > I do not think it's a suitable STF project.
> STF is not maintenance-only from what I understand, but also for
> innovation, in this case, research.
>

I point you to the previous thread on FEC where I explained that's a flawed
design as it causes bursting in a practical protocol.

You've basically answered the question that your implementation will be
theoretical and not usable in a real protocol.

Kieran