https://bugs.kde.org/show_bug.cgi?id=426356
Bug ID: 426356
Summary: Poor video performance in Flatpak images
Product: digikam
Version: 7.0.0
Platform: Flatpak
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Bundle-FlatPak
Assignee: digikam-bugs-n...@kde.org
Reporter: jgoer...@complete.org
Target Milestone: ---
Hi,
I am running the latest Flatpak digikam, which identifies with version 7.0.0-rc
in Flatpak, and in Help->About as 7.0.0 with a build date of Sept. 7, 2020.
(Not sure why 7.0.0 release or 7.1.0 isn't in flatpak).
Anyhow, I have a Pixel 2 XL and a Pixel 4a. Both can capture 4K video with
H.264. This video plays back fine in my Debian buster system using VLC. My
bideo card is an nVidia GTX 1070. I am using the Nouveau open-source nvidia
drivers. When playing on the host system with vlc, vlc comments "Trying to
open /usr/lib/x86_64-linux-gnu/dri/nouveau_drv_video.so". This also worked
fine on the older version of Digikam included in buster.
Since I have upgraded to the digikam flatpak, however, this 4K video cannot
play smoothly. There is significant skipping and jumping in the video
playback.
The nouveau_drv_video.so file used by vlc is in the Debian package
mesa-va-drivers.
I don't know if a missing nouveau_drv_video.so is the cause of this problem,
but it might be a reasonable place to start.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Debian buster
(available in About System)
KDE Plasma Version: n/a
KDE Frameworks Version: 5.73.0
Qt Version: 5.15.0
ADDITIONAL INFORMATION
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