Public bug reported:
About a year ago (June 2023) I can flip my upside down webcam using
LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libv4lconvert.so.0 <webcam_app>.
But now, It's no longer works. When I launch webcam app (e.g cheese or
snapshot), it's always upside down, whether I use LD_PRELOAD or not.
My machine is an Asus laptop (Asus PRO36S / U36SD) and my webcam is Asus
Integrated Webcam from Chicony Electronics Co.
This is the output of "lsusb | grep Webcam" :
Bus 002 Device 004: ID 04f2:b1b9 Chicony Electronics Co., Ltd Asus
Integrated Webcam.
- I'm using Ubuntu Noble / 24.04.
- The version of v4l-utils package is 1.26.1-4build3.
- I expect the library from v4l-utils will flip my upside down webcam using
LD_PRELOAD.
- What I get is the library from v4l-utils won't flip my upside down webcam.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: v4l-utils 1.26.1-4build3
ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
Uname: Linux 6.8.0-31-generic x86_64
ApportVersion: 2.28.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Fri Apr 26 18:16:57 2024
SourcePackage: v4l-utils
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: v4l-utils (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
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https://bugs.launchpad.net/bugs/2063828
Title:
v4l-utils failed to flip upside down webcam.
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