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Re: RED Komodo: Erste Modelle sind ausgeliefert und erste Footage im Netz

why Jerkiness pan / zoom in H.264 transport stream?



Frage von Jochen Kremer:
Juli 2020

Halli Hallo,

a while ago hab 'ich mir some HD Streams of Oneness Festival
saved (DVB-S, DVB-Viewer) - if so good.

However, the playback (WinXP, Media Player Classic 6.4.9.0,
CyberLink H.264/AVC Decoder 7.x) somehow unsatisfying. Pans or
Zoom basically bucking and regularly. Lack of computational power
I concur, as the utilization of CPUs well below 20%.

Kann mir da jemand clues mention where the bucking and comes as
I can stop it?

(With the subtleties of the MPC about the Filters-/Dekodereinstellungen etc.
I prefer not familiar.)

Greetings!
Jochen




Antwort von Heiko Nocon:

Jochen Kremer wrote:

> However, the playback (WinXP, Media Player Classic 6.4.9.0,
> CyberLink H.264/AVC Decoder 7.x) somehow unsatisfying. Pans or
> Zoom basically bucking and regularly. Lack of computational power
> I agree, since the utilization of CPUs well below 20%.
>
> Can someone give clues where the bucking and comes as
> I can stop it?

The material was certainly a frame rate of 25 Hz or 50 And thou hast
it probably has a normal TFT monitor sees. The Dinger
typically run with 60Hz. Without extremely rechenzeitaufwendige
Frame rate conversion is bucking inevitably, because the
Frame rates of Film and playback device in any integer
Relationship.

Some TFTs can be synonymous with 75Hz operation. This reduces the effect
greatly, or cause it to disappear completely. This jerky then
but of course when you play of NTSC-based frame rates.





Antwort von Jochen Kremer:

Nocon Heiko wrote:
> Jochen Kremer wrote:
>> Can someone give clues where the bucking and comes as
>> I can stop it?
>
> The material was certainly a frame rate of 25 Hz or 50 And thou hast
> It probably has a normal TFT monitor sees. The Dinger
> Typically run with 60Hz. Without extremely rechenzeitaufwendige
> Frame rate conversion is bucking inevitably, ...

No, this is inevitable is not. In "normal" PAL
MPEG2 jerky streams namely nix. 8-)

> Some TFTs can be synonymous with 75Hz operation.

Jepp - habs with my Eizo just tried: he eats while
smoothly to 75Hz but s.der discontinuity of the pan / zoom can be
I do not change.
There is not content directly (niedrigfrequentes) Jerkiness but rather
a higher discontinuity "of the movement. I can think of no
more appropriate description. : - /

> This reduces the effect
> Very much or it can completely disappear. This jerky then
> But of course during playback of NTSC-based frame rates.

No, as already written, I can with SD streams in the
60Hz refresh rate is not normal Jerkiness found - neither in
PAL or NTSC material.

What struck me, however, is:

I see me when you play in the MPC's "Properties" of the
Video renderer, it will be expected to 25B / s as' medium
Frame rate 'is displayed. Strangely there are during the
Playback of HD transport streams to 33.5 Hz I am completely
understand where the Koemm could.

Greetings!
Jochen









Antwort von Jochen Kremer:

Jochen Kremer wrote:
> Yeah - habs with my Eizo just tried: he eats while
> Smoothly to 75Hz ...

Mistake on my part - the 75Hz can be adjusted while, but the
Screen remains at "his" 60Hz (DVI wg.?)

The second screen can be set at 75Hz, but MPC
refuses, then the h.264 stream represent - MPEG2 go there ...




Antwort von Jochen Kremer:

Ingrid Kremer wrote:
> However, the playback (WinXP, Media Player Classic 6.4.9.0,
> CyberLink H.264/AVC Decoder 7.x) somehow unsatisfying. Pans or
> Zoom basically bucking and regularly. Lack of computational power
> I agree, since the utilization of CPUs well below 20%.
>
> Can someone give clues where the bucking and comes as
> I can stop it?

I have the Cyberlink stuff deinstaliert times and the MPC to the
Current Home Cinema version. This can be with their
filtering brought the h.264 stream represent. The processor load is
somewhat higher and jumping / scrolling a bit over the hooks
Cyberlink filter, but the bucking is gone (!) And the 'medium
Frame rate 'is now synonymous with the voices 50B / s displayed. :-)

Let's see what happens to me now for the DVBViewer invades ...

Greetings!
Ingrid




Antwort von Arno Welzel:

Jochen Kremer wrote:

> I have the Cyberlink stuff deinstaliert times and the MPC to the
> Home Cinema latest version. This can be with their
> Filtering brought the h.264 stream represent. The processor load is
> Although a little higher and jumping / scrolling a bit over the hooks
> Cyberlink filter, but the bucking is gone (!) And the 'medium
> Frame rate 'is now synonymous with the voices 50B / s displayed. :-)
>
> Let's see what happens to me now for the DVBViewer invades ...

I can recommend CoreAVC (I currently use 1.7.0), unfortunately not
free and still no GPU support, but together with
DVBViewer 3.9.4 is very stable and smooth.

--
http://arnowelzel.de
http://de-rec-fahrrad.de




Antwort von Jochen Kremer:

On 10.07.2008 9:46 clock Arno Welzel wrote:
> Jochen Kremer wrote:
>> Let's see what happens to me now for the DVBViewer invades ...
>
> I can recommend CoreAVC (I currently use 1.7.0), unfortunately not
> Free and still no GPU support, but together with
> DVBViewer 3.9.4 is very stable and smooth.

Thank you. Attempt 'I have the opportunity again.

Greetings!
Jochen





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