Video is off-centre after resizing the window

[bipface]

mpv Information

mpv v0.39.0-396-gad1fb9f4 Copyright © 2000-2024 mpv/MPlayer/mplayer2 projects
 built on Nov 27 2024 00:08:13
libplacebo version: v7.349.0 (v7.349.0-28-gcfe45e6-dirty)
FFmpeg version: N-117930-gd4966f0a7
FFmpeg library versions:
   libavcodec      61.26.100
   libavdevice     61.4.100
   libavfilter     10.6.101
   libavformat     61.9.100
   libavutil       59.47.101
   libswresample   5.4.100
   libswscale      8.12.100

Other Information

- Windows version: 10.0.19045.3570
- GPU model, driver and version: AMD RX 7800 XT, driver 23.20.23.01-231025a-397406C-AMD-Software-Adrenalin-Edition
- Source of mpv: https://github.com/shinchiro/mpv-winbuild-cmake/releases
- Latest known working version: ?

I tested a number of older MPV versions (oldest I tried: v0.37), they were all affected by this bug.
I tested a newer AMD driver (24.10.1) and newer Windows version (10.???, I've forgotten), the bug still occurs in those environments.

Reproduction Steps

• Open any video or image,
  I used mpv.exe --loop-file=inf --no-config mpv-logo-128-0baae5aa.png.
• Resize the MPV window in any direction by any number of pixels.

I also tried different --vo= options, only GPU modes seem to reproduce this issue:

Option	Result
--vo=gpu	Affected
--vo=gpu-next	Affected
--vo=gpu --hwdec=no	Affected
--vo=gpu --hwdec=d3d11va	Affected
--vo=gpu --gpu-api=vulkan	Affected
--vo=gpu-next --gpu-api=vulkan	Affected
--vo=gpu --gpu-api=opengl	Unaffected
--vo=gpu-next --gpu-api=opengl	Unaffected
--vo=direct3d	Unaffected
--vo=sdl	Unaffected

Expected Behavior

Video remains centred.

Actual Behavior

The video/image is rendered off-centre. See the following screenshot:

Dragging the window by grabbing the title bar seems to reset it.

Log File

out.txt

Sample Files

I carefully read all instruction and confirm that I did the following:

• I tested with the latest mpv version to validate that the issue is not already fixed.
• I provided all required information including system and mpv version.
• I produced the log file with the exact same set of files, parameters, and conditions used in "Reproduction Steps", with the addition of --log-file=output.txt.
• I produced the log file while the behaviors described in "Actual Behavior" were actively observed.
• I attached the full, untruncated log file.
• I attached the backtrace in the case of a crash.

[llyyr]

I can't reproduce here but can you try --gpu-api=vulkan with gpu/gpu-next?

[bipface]

I've updated the report, it seems --gpu-api=vulkan can reproduce it but --gpu-api=opengl cannot.