y1zhou/generate_slideshow.sh

Created February 2, 2023 08:50

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Generate an mp4 slideshow from png images

Raw

generate_slideshow.sh

	ffmpeg \
	-framerate 1 \
	-pattern_type glob \
	-i '*.png' \
	-c:v libx264 \
	-vf 'pad=ceil(iw/2)2:ceil(ih/2)2' \
	-pix_fmt yuv420p \
	slideshow.mp4

Author

y1zhou commented Feb 17, 2023 •

edited

If the list of images is numerically-ordered, try this instead:

cat $(find . -type f -iname '*.png' -exec basename {} \; | sort -gs) | ffmpeg \
  -f image2pipe \
  -r 2 -i - -r 2 \
  -c:v libx264 \
  -vf 'pad=ceil(iw/2)*2:ceil(ih/2)*2' \
  -pix_fmt yuv420p \
  slideshow.mp4

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