https://bugs.kde.org/show_bug.cgi?id=476326
Bug ID: 476326
Summary: White Frames/Missing Frames during Recording
Classification: Applications
Product: krita
Version: 5.2.0
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: major
Priority: NOR
Component: Dockers/Recorder
Assignee: krita-bugs-n...@kde.org
Reporter: reise...@gmail.com
Target Milestone: ---
Created attachment 162728
--> https://bugs.kde.org/attachment.cgi?id=162728&action=edit
Canvas Settings and Example Recording Video
SUMMARY
During recording with the new 10 Hz feature we had an issue with a medium sized
canvas and a big brush.
The raw PNGs, which where exported, are only correct as long as we use a small
size brush. As soon as we enlarge the size (we used the Basic-5 Size brush with
>500px, but it seems to be independent of the used brush as long as it is big
enough), several of the exported PNGs are white. And the complete build up of
the colored area was not captured. The colored area just appears from one frame
to the next (please also see the attached Show Case video).
We didn't observe any LowPerformance warnings.
STEPS TO REPRODUCE
1. Open a canvas 2000x2000 pixels and with a resolution of 300 (for additional
details see the attached Screenshot)
2. Start the recording of the Docker Recoder Plugin with a Capturing Interval
of 0.1 sec
3. Select a big brush with at least 500px
4. Build up a big colored area with your brush. Do this really fast. Probably,
it is a performance issue and therefore you must force the system into a little
bit of work.
OBSERVED RESULT
We observed the bug only on the high performance system of my wife. I can
imagine, that this has something todo with the LowPerformanceWarnings. On my
old system, I get all the time such warnings with the same setup. But not so on
my wifes system. The reson is probably, that on my system the capturing is not
taken every 100ms, becaus it is just to slow. And this could also explain, why
I don't get the same bug.
EXPECTED RESULT
Every 100 ms the current canvas should be exported as it is, without any white
frames or missing frames.
SOFTWARE/OS VERSIONS
Windows 11:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
I'm currently working on an additional Real Time Capture Mode for the Docker
Plugin, which is almost ready for a merge request
(https://invent.kde.org/freiser/krita-freiser/-/tree/freiser/RecorderRealTimeMT?ref_type=heads).
Hence, I have a complete Krita development environment setup here. And I have
dug a little bit into the Docker Recorder code, already. I'm pretty sure, that
this bug is to advanced for my Krita knowledge, I have so far :-) But I'm
willing to support you as much as I can, finding this nasty bug.
We are heavly depending on this feature to hold our deadline. Hence, we have a
big interest in fixing this as soon as possible.
Thank you in advance for your support.
Florian
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