--cover-art-files should not affect video files

[hooke007]

Important Information

Provide following Information:

• mpv version
  https://github.com/shinchiro/mpv-winbuild-cmake/releases/tag/20230822
• Platform and Version
  Any
• Source of the mpv binary
  https://github.com/shinchiro/mpv-winbuild-cmake/releases/tag/20230822

Reproduction steps

load any video with --cover-art-files

Expected behavior

The option should only work for audio files

Actual behavior

All video files are also affected

Log file

test.log

Sample files

Any

[Dudemanguy]

Hmm yes the manual clearly says while playing audio, but it works for anything. --cover-art-auto works as advertised at least.

[hooke007]

It introduced another side effect, as you can see from the log. The video quickly reached EOF. The original duration of vid is ignored.