https://bugs.kde.org/show_bug.cgi?id=454983
Bug ID: 454983
Summary: motion tracking doesn't work on Arch
Product: kdenlive
Version: 22.04.1
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Effects & Transitions
Assignee: vpi...@kde.org
Reporter: guido.iod...@gmail.com
Target Milestone: ---
SUMMARY
motion tracking doesn't work on Arch 90% of time. occasionally some algoritm
works but trying again fails.
STEPS TO REPRODUCE
1. download this example on Arch:
https://www.dropbox.com/sh/799sn40ufdhwqvp/AAA-_q1x7MQ2Y3O3OfccqU6ra?dl=1
2. try to generate motion tracking
OBSERVED RESULT
motion tracking fails with this error:
Current Frame: 1, percentage: 0
animation initialized FAILED
Current Frame: 5, percentage: 2
Current Frame: 11, percentage: 4
Current Frame: 18, percentage: 7
Current Frame: 24, percentage: 10
Current Frame: 30, percentage: 13
Current Frame: 36, percentage: 15
Current Frame: 43, percentage: 18
Current Frame: 49, percentage: 21
Current Frame: 55, percentage: 24
Current Frame: 61, percentage: 26
Current Frame: 68, percentage: 29
Current Frame: 75, percentage: 33
Current Frame: 81, percentage: 35
Current Frame: 87, percentage: 38
Current Frame: 94, percentage: 41
Current Frame: 101, percentage: 44
Current Frame: 108, percentage: 47
Current Frame: 115, percentage: 50
Current Frame: 121, percentage: 53
Current Frame: 127, percentage: 55
Current Frame: 134, percentage: 59
Current Frame: 140, percentage: 61
Current Frame: 147, percentage: 64
Current Frame: 154, percentage: 67
Current Frame: 160, percentage: 70
Current Frame: 167, percentage: 73
Current Frame: 173, percentage: 76
Current Frame: 180, percentage: 79
Current Frame: 186, percentage: 81
Current Frame: 193, percentage: 85
Current Frame: 199, percentage: 87
Current Frame: 206, percentage: 90
Current Frame: 212, percentage: 93
Current Frame: 218, percentage: 96
Current Frame: 224, percentage: 98
EXPECTED RESULT
it should work
ADDITIONAL INFORMATION
I am trying to help Arch linux to have a fully functioning kdenlive and have
stumbled upon this curious bug.
What I discovered:
1. motion tracking works perfectly with Appimage
2. motion tracking works perfectly if I install opencv from the cachyos repos.
The only difference is that the package is compiled with optimisations:
#CPPFLAGS=""
CFLAGS="-march=x86-64-v3 -O3 -pipe -fno-plt -fexceptions \
-Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security \
-fstack-clash-protection -fcf-protection"
CXXFLAGS="$CFLAGS -Wp,-D_GLIBCXX_ASSERTIONS"
LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now"
It seems that the problem is therefore in opencv. Is the one in the appimage
compiled with special flags?
What advice can I give the Arch Linux developers to make motion tracking work?
I report the open bug on archlinux:
https://bugs.archlinux.org/task/74957?project=1&string=kdenlive
Thank you very much.
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