Zooming or full screen zoom produces grid lines

[zhouxinghong]

mpv Information

mpv v0.38.0-512-gbab9b2cf Copyright © 2000-2024 mpv/MPlayer/mplayer2 projects
 built on Jun 20 2024 14:28:45
libplacebo version: v7.349.0 (v7.349.0-rc1-3-g1fd3c7b-dirty)
FFmpeg version: N-115967-g35df214a7
FFmpeg library versions:
   libavutil       59.24.103
   libavcodec      61.8.100
   libavformat     61.3.104
   libswscale      8.2.100
   libavfilter     10.2.102
   libswresample   5.2.100

Other Information

PC environment:

1. Windows 10 19044
2. CPU i5 3210
3. Memory 8G
4. Graphics card: 4.1. Intel Integrated Graphics 4000 4.2. NVIDIA: GT610
5. Western Digital mechanical hard drive 5400 rpm
6. Source of mpv: https://sourceforge.net/projects/mpv-player-windows/files/
7. Introduced in version: Video specs are Vertical 4K 60 FPS

Reproduction Steps

Continuous zooming or full-screen zooming creates grid lines, which happens on a regular basis. mpv --no-config https://www.youtube.com/watch?v=htie8_dh48I Video specs are Vertical 4K 60 FPS

Expected Behavior

Continuous zooming or full-screen zooming should not produce grid lines.

Actual Behavior

Continuous zooming or full-screen zooming creates grid lines, which happens on a regular basis.

Log File

Video --vid=1 (*) '308 - 1440x2560 (1440p60)' (vp9 1440x2560 60 fps) (7961 kbps) [ffmpeg/video] vp9: Failed setup for format d3d11: hwaccel initialisation returned error. [ffmpeg/video] vp9: Failed setup for format dxva2_vld: hwaccel initialisation returned error. [ffmpeg/video] vp9: Cannot load cuvidGetDecodeStatus [ffmpeg/video] vp9: Failed loading nvcuvid. [ffmpeg/video] vp9: Failed setup for format cuda: hwaccel initialisation returned error. [ffmpeg] av_log callback called with bad parameters (NULL AVClass). [ffmpeg] This is a bug in one of FFmpeg libraries used. [ffmpeg] av_log callback called with bad parameters (NULL AVClass). [ffmpeg] This is a bug in one of FFmpeg libraries used. [ffmpeg] Failed to create Direct 3D 12 device (887a0004) [ffmpeg/video] vp9_cuvid: Cannot load cuvidGetDecodeStatus [ffmpeg/video] vp9_cuvid: Failed loading nvcuvid. Could not open codec. [ffmpeg] AVHWDeviceContext: Error creating a MFX session: -9. AO: [wasapi] 48000Hz stereo 2ch float VO: [gpu-next] 1440x2560 yuv420p Audio device underrun detected. [ao/wasapi] Under-run: Device delay: -800 ns Saving state. AV: 00:02:50 / 00:02:56 (97%) A-V: 0.000 Dropped: 178 Cache: 5.4s/380KB Exiting... (Quit)

Sample Files

No response

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

• [X] I tested with the latest mpv version to validate that the issue is not already fixed.
• [X] I provided all required information including system and mpv version.
• [X] 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.
• [X] I produced the log file while the behaviors described in "Actual Behavior" were actively observed.
• [X] I attached the full, untruncated log file.
• [X] I attached the backtrace in the case of a crash.

[zhouxinghong]

Continuous zooming or full-screen zooming with DirectShow Media players such as Potplayer, MPC-HC, VLC, etc. on this PC does not produce grid lines.

[kasper93]

Duplicate of #13998