https://bugs.kde.org/show_bug.cgi?id=505468
Bug ID: 505468
Summary: Issue: Firefox Crashes When Playing HDR Video with
Wayland HDR Enabled on KDE
Classification: I don't know
Product: kde
Version First unspecified
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: an...@valishin.ru
Target Milestone: ---
When using Firefox on KDE Plasma with gfx.wayland.hdr enabled, attempting to
play HDR video content causes Firefox to crash. The crash occurs because KDE's
Wayland compositor doesn't properly support the YUV format (specifically P010)
needed for HDR video rendering.
Technical Details
The crash happens immediately when trying to play HDR video content
Firefox attempts to use dmabuf with YUV P010 format (fourcc 30313050) for
HDR rendering
KDE's Wayland compositor rejects the buffer with error: "importing the
supplied dmabufs failed"
The specific error occurs with zwp_linux_buffer_params_v1 when Firefox
tries to create a buffer with an unsupported format/modifier combination
Error Message
wl_display#1.error(zwp_linux_buffer_params_v1#80, 7, "importing the supplied
dmabufs failed")
Reproduction Steps
Enable gfx.wayland.hdr in Firefox
Open an HDR video file (or HDR content from a website)
Firefox crashes during video initialization
>From mozilla
```
iface_zwp_linux_buffer_params_v1 extension doesn't advertise dmabuf YUV P010
format used for HDR rendering so we see the crash here. If you believe it's a
bug you need to report it at KDE bug tracker / KWin component. From application
perspective HDR is not supported. You can also try MPV in HDR mode to test it.
```
Related
https://bugzilla.mozilla.org/show_bug.cgi?id=1967366
Operating System: Fedora Linux 42
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.14.0
Qt Version: 6.9.1
Kernel Version: 6.14.9-300.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 32 × 13th Gen Intel® Core™ i9-13900K
Memory: 94,0 GiB of RAM
Graphics Processor 1: Intel® Graphics
Graphics Processor 2: AMD Radeon RX 560 Series
Manufacturer: ASUS
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