[FFmpeg-user] The future of video

[Mark Filipak]

On 17/07/2024 14.46, Oliver Fromme wrote:
> Mark Filipak wrote:
>   > On 17/07/2024 13.23, Oliver Fromme wrote:
>   > > Mark Filipak wrote:
>   > > > What if there's no such thing as frame in the future? Just think about it.
>   > >
>   > > What are you going to use instead?
>   >
>   > Pels.
> 
> Pel is just another name for pixel:  https://en.wikipedia.org/wiki/Pixel
> I assume that's not what you mean, do you?

Do you really read wikipedia?

What I mean is this:
Pel - a displayed picture element.
Pixel - an optical data sample.

>   > > You somehow need to organize screen updates -- that is, when the
>   > > contents of the screen change.  You have to describe the change
>   > > somehow, and attach a time stamp to that change.
>   > > That's exactly what a frame is.
>   >
>   > I respectfully say that frame is a relic of film frames carried over to other visual media. I
>   > respectfully claim that video doesn't have to be, and shouldn't be, serial photography by another name.
>   >
>   > > A video is just a sequence of screen updates.  No more, no less.
>   > > As every update is a frame, a video has to be a sequence of frames.
>   >
>   > Does it? Frames are sequences of individually static pictures that are each populated by arrays of
>   > static pixels.
> 
> No.  In the context of video compression (such as MPEG), a frame is a
> unit that is part of a video

What if there was no such thing as frames? How would you get pels into the TV?
To be clear, the TV doesn't have frames, either.

> and that describes what to do in order
> to arrive at the desired screen contents associated with a certain
> time stamp.  A frame does *not* have to be an individual picture.
> It may well consist of just a single macroblock (in H.264 terms), or
> even be completely empty.  In the case of variable frame rate, an
> empty frame may be omitted altogether, saving a few bytes of header
> data.
> 
> I almost suspect we both mean the same thing, but you refuse to call
> it a frame.  :-)

Nope. Not frames. Pels.

Are we having fun?

Regards--Mark.