Create image slideshow

Following will take all *.jpg images from current folder and create mp4 image slideshow. Images can have different sizes, ffmpeg will rescale or pad them.

ffmpeg -framerate 1/3 \
       -pattern_type glob -i '*.jpg' \
       -vf "scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1" \
       -c:v libx264 -crf 14 -r 25 -pix_fmt yuv422p \
       output.mp4
  • -framerate 1/3 image will be change each 3 sec
  • -pattern_type glob -i '*.jpg' will use all *.jpg images from current folder
  • -vf "scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1" rescale or pad image to 1280x720
  • -c:v libx264 use H.264 codec
  • -crf 14 CFR (Constant Rate Factor) is betweemn 0–51, where 0 is lossless, 23 is the default, and 51 is worst quality possible.
  • -r 25 set frame rate.
  • -pix_fmt pixel output format

With background music:

ffmpeg -framerate 1/3 \
       -pattern_type glob -i '*.jpg' \
       -i audiofile.mp3 \
       -vf "scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1" \
       -c:v libx264 -crf 14 -r 25 -pix_fmt yuv422p \
       -shortest \
       output.mp4
  • -shortest will take shorten source images or mp3 as length limit for video

#ffmpeg

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