Prerequsite

• The Kindle needs to be jailbroken.
• Terimnal access on Kindle (Kterm or SSH)
  • Generate a directory to store all temporary files on Kindle, using /mnt/us/demo/ for example in this tutorial.
• FFmpeg

Slice Video Frames

i=INPUT.mp4; w=1236; h=1648;
# Adjust resolution accordingly:
# - Kindle Paperwhite (11th gen.): 1236x1648
# - Kindle Paperwhite (12th gen.): 1264×1680
# - Kindle Colorsoft: 1264×1680

mkdir -p ./frames && ffmpeg -i "$i" \
-vf "transpose=1,\
	scale=$w:$h:force_original_aspect_ratio=decrease,\
	pad=$w:$h:(ow-iw)/2:(oh-ih)/2,\
	format=gray" \
-r 5 ./frames/frames_%04d.png

Copy all PNG images (the frames folder) to Kindle, put under /mnt/us/demo/.

Issue Description

When opening .zsh_history file via vim, some UTF-8 encoded characters (e.g. Japanese, Chinese characters) are not displayed correctly, and vim shows the fileencoding as latin1 instead of utf-8.

• For example, the following shows how Japanese/Chinese characters are displayed incorrectly in vim:

  2466 : 1762759121:0;locale
  2467 : 1762759501:0;echo "ä½<83><80>好"
  2468 : 1762759519:0;echo "ã<81><83>³ã<82><83>³ã<81>«ã<81><83><81>ã<81>¯"
  

• The actual content of the .zsh_history file is as follows: