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[Rex Tsai <2092060@xxxxxxxxxxxxxxxxxx>]

** Also affects: oem-priority
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2092060

Title:
  [SRU] Update libcamera to 0.4 for new hardware support

Status in OEM Priority Project:
  New
Status in libcamera package in Ubuntu:
  In Progress

Bug description:
  [ Impact ]

   * The current 0.2 version of libcamera in Noble doesn't support newer
  hardware. We will need improvements from the 0.3 series as a basis to
  get working a camera on new Intel and AMD laptops and to be able to
  enable the PI5 camera.

   * The upgrade include substantial changes to the codebase and a
  soname update, it is not compliant to standard SRU guideline but
  needed for hardware enablement reasons. We will need to rebuild
  pipewire and gnome-snapshot with the new soname.

   * The regression potential should be limited by the fact that
  libcamera is a new piece of infrastructure and only used by gnome-
  snapshot in the Noble archive.

  [ Test Plan ]

   * We will follow those testplans on a variety of hardware with the
  help of the OEM team

  https://wiki.ubuntu.com/DesktopTeam/TestPlans/GnomeSnapshot
  https://wiki.ubuntu.com/DesktopTeam/TestPlans/Libcamera
  https://wiki.ubuntu.com/DesktopTeam/TestPlans/Pipewire

  [ Where problems could occur ]

   * The update includes a soname change which could lead to upgrade issues (packages on hold or removed for example).
   * Pipewire will need to be rebuild so we should verify that there is no regression in its webcam support after the upgrade

  [ Other Info ]

   * We will likely need to SRU further changes for newer AMD hardware
  and PI5 support, this SRU is going to be used as a basis for those
  future improvements.

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