On 17/07/2024 16.54, Vincent Deconinck wrote:
On Fri, Jul 12, 2024 at 1:04 AM Mark Filipak
wrote:
Try this:
-filter_complex "shuffleframes="
It's worked for me.
Hi Mark and Paul,
Sorry for the delay.
Thanks very much for the "shuffleframes" filter tip, this seems the right
tool to use,
On Wed, Jul 17, 2024 at 10:16 PM Carl Zwanzig wrote:
> On 7/17/2024 12:43 PM, Mark Filipak wrote:
> >> frame; some projectors would use a three-blade shutter to get
> >> supposedly smoother-looking motion.
>
> > Actually, z!, a double or triple shutter doesn't improve motion. It
> > reduces/elimi
On Fri, Jul 12, 2024 at 1:04 AM Mark Filipak
wrote:
> Try this:
> -filter_complex "shuffleframes="
> It's worked for me.
>
Hi Mark and Paul,
Sorry for the delay.
Thanks very much for the "shuffleframes" filter tip, this seems the right
tool to use, even if it implies reencoding.
My tests co
On 7/17/2024 12:43 PM, Mark Filipak wrote:
frame; some projectors would use a three-blade shutter to get
supposedly smoother-looking motion.
Actually, z!, a double or triple shutter doesn't improve motion. It
reduces/eliminates perceived flicker.
Please read that again, I did not say it "imp
On 17/07/2024 15.32, Carl Zwanzig wrote:
On 7/17/2024 5:46 AM, Oliver Fromme wrote:
The typical cinema frame rate (23.976 fps) is the minimum that's
commonly accepted,
In a real film cinema it's an exact 24fps however the shutter is quartered so there are two flashes
per frame; some projector
On 7/17/2024 5:46 AM, Oliver Fromme wrote:
The typical cinema frame rate (23.976 fps) is the minimum that's
commonly accepted,
In a real film cinema it's an exact 24fps however the shutter is
quartered so there are two flashes per frame; some projectors would use
a three-blade shutter to get
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 anoth
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.o
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.
You somehow need to organize screen updates -- that is, when the
contents of the screen change. You have to d
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?
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
On 17/07/2024 12.30, Oliver Fromme wrote:
Mark Filipak wrote:
> The weighting of Y Cr Cb are still based on CRT phosphors, not reality. HSV
is reality.
No, that's wrong, HSV is not "reality". I'm afraid it's much more
complicated than that.
Oliver, if we continue, you will resent me 'wasti
I'm sorry my posts are so technical. AVC is technical.
I have 'attacked' my 40 second m2ts with a hex editor because other tools are inadequate. I have not
found any GOPs. I've found GOP-like start codes (0x00 00 01 B8) but the next 4 bytes are not correct
for a GOP header. For example:
00 00
Mark Filipak wrote:
> The weighting of Y Cr Cb are still based on CRT phosphors, not reality. HSV
> is reality.
No, that's wrong, HSV is not "reality". I'm afraid it's much more
complicated than that.
RGB, YCbCr and HSV are just color models (sometimes also called color
spaces, but that's an
On 17/07/2024 08.46, Oliver Fromme wrote:
I'm not sure this is on-topic for the ffmpeg users list ...
It is, or rather, it will be some day...
Imagine video without frames, imagine how it would work, imagine pixel-by-pixel random access and
you're on your way.
There would be no game play or
I'm not sure this is on-topic for the ffmpeg users list ...
Anyway, I'll try to comment on some of your points.
Mark Filipak wrote:
>I interviewed at NVIDIA when it was a start-up. My interview wound up
> being an argument over
> sprite graphics, which they held in contempt. I did not get
Mark Filipak wrote:
> Thank you for your summary, Oliver. That has really, really helped. As you
> know, H.264 is
> prescriptive, not descriptive, which makes understanding it very difficult.
>
> It also lacks the strings: "I[- ]frame" "P[- ]frame" "B[- ]frame" "I[-
> ]picture" "P[- ]pict
On 17/07/2024 01:01, Mark Filipak wrote:
On 16/07/2024 19.40, MacFH - C E Macfarlane - News wrote:
On 17/07/2024 00:02, Mark Filipak wrote:
To match human persistence of vision, the refresh rate of individual
pels actually needs to be no greater than 10 or 12 refreshes per second.
Only th
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