Bug#1069079: gnome-snapshot: No image captured, viewfinder stays black

[Ralph Aichinger]

Package: gnome-snapshot
Version: 46.2-1
Severity: normal
X-Debbugs-Cc: ra at pi.h5.or.at

Dear Maintainer,

when starting gnome-snapshot the program starts up fine, the picture
stays black though.

When started from the console as the logged in user, the following
errors are displayed:

ralph at surface:~$ snapshot 
2024-04-16T06:12:19.254253Z  INFO snapshot::application::imp: Snapshot (org.gnome.Snapshot)    
2024-04-16T06:12:19.254291Z  INFO snapshot::application::imp: Version: 46.2    
2024-04-16T06:12:19.254296Z  INFO snapshot::application::imp: Datadir: /usr/share/snapshot    
2024-04-16T06:12:20.193150Z ERROR aperture::viewfinder: Could not start camerabin: Element failed to change its state    
2024-04-16T06:12:20.198665Z ERROR aperture::viewfinder: Could not start camerabin: Element failed to change its state    
2024-04-16T06:12:20.199789Z ERROR aperture::viewfinder: Bus Error from Some("/GstCameraBin:camerabin0/GstWrapperCameraBinSrc:camerasrc/GstAutoVideoSrc:camerasrc-real-src/GstPipeWireSrc:camerasrc-real-src-actual-src-pipewir")
stream error: error output enum formats: Invalid argument
Some("../src/gst/gstpipewiresrc.c(692): on_state_changed (): /GstCameraBin:camerabin0/GstWrapperCameraBinSrc:camerasrc/GstAutoVideoSrc:camerasrc-real-src/GstPipeWireSrc:camerasrc-real-src-actual-src-pipewir")    
2024-04-16T06:12:20.199835Z ERROR aperture::viewfinder: Bus Error from Some("/GstCameraBin:camerabin0/GstWrapperCameraBinSrc:camerasrc/GstAutoVideoSrc:camerasrc-real-src/GstPipeWireSrc:camerasrc-real-src-actual-src-pipewir")
Internal data stream error.
Some("../libs/gst/base/gstbasesrc.c(3177): gst_base_src_loop (): /GstCameraBin:camerabin0/GstWrapperCameraBinSrc:camerasrc/GstAutoVideoSrc:camerasrc-real-src/GstPipeWireSrc:camerasrc-real-src-actual-src-pipewir:\nstreaming stopped, reason not-negotiated (-4)")

-- System Information:
Debian Release: trixie/sid
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 6.7.9-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages gnome-snapshot depends on:
ii  dconf-gsettings-backend [gsettings-backend]            0.40.0-4+b2
ii  gstreamer1.0-libcamera                                 0.2.0-3
ii  gstreamer1.0-pipewire                                  1.0.5-1
ii  libadwaita-1-0                                         1.5.0-1
ii  libc6                                                  2.37-17
ii  libgcc-s1                                              14-20240330-1
ii  libglib2.0-0t64                                        2.78.4-6
ii  libgraphene-1.0-0                                      1.10.8-3+b1
ii  libgstreamer-gl1.0-0                                   1.24.2-1
ii  libgstreamer-plugins-base1.0-0                         1.24.2-1
ii  libgstreamer1.0-0                                      1.24.2-1
ii  libgtk-4-1                                             4.12.5+ds-6
ii  pipewire                                               1.0.5-1
ii  pipewire-v4l2                                          1.0.5-1
ii  xdg-desktop-portal-gnome [xdg-desktop-portal-backend]  44.2-4+b1
ii  xdg-desktop-portal-gtk [xdg-desktop-portal-backend]    1.15.1-1+b1

gnome-snapshot recommends no packages.

gnome-snapshot suggests no packages.

-- no debconf information