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I have a folder named frames with images, named frame0001.png, frame0002.png, frame0003.png, etc, all the way to frame0061.png (or frames/frame%04d.png using FFmpeg).

I have an input video file simply named video.mp4.

Starting at 00:00:03 (3rd second), I want next frames to be replaced with all frames from under frames folder, and then save the output video as output.mp4 using ffmpeg.exe.

For example, starting at 3 seconds, next 61 frames (because there are 61 frame files under the frames folder) in video.mp4 will be overwritten with the frames under frames folder.

Which command-line options should I pass to FFmpeg to apply this task?

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  • ffmpeg -i input.mp4 -itsoffset 3 -i frame%04d.png -lavfi "overlay=eof_action=pass" out.mp4
    – Баяр Гончикжапов
    Commented Mar 20 at 2:55
  • @БаярГончикжапов Thank you, the command you provided works. Can you post an answer instead of a comment so I mark it as accepted?
    – winscripter
    Commented Mar 20 at 9:12

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