Below you will find pages that utilize the taxonomy term “FBInk”

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Kindle Video Playback Hack

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.

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/.

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