However, this post aims to discuss the FFmpeg flip video function only. Part 3: iMyFone Filme – Better and Easier Alternative to FFmpeg for Video FlippingįFmpeg is a sophisticated tool that can handle practically anything with multimedia files. Part 2: How to Download and Install FFmpeg for Video Flipping tile=100x1 Layout captured frames into this grid.Part 1: How to Flip a Video Using FFmpeg Fast.scale=-1:120 Resize frames to fit 120px height, and the width is adjusted automatically to keep the correct aspect ratio.not(mod(n\,40)) Select one frame every 40 frames see the documentation.This is the selector function for video filter. -vf select= That's where all the magic happens.-frames 1 Tell ffmpeg that output from this command is just a single image (one frame).You can remove this option if you’re having any problems seeing what went wrong. -loglevel panic We don’t want to see any output.Generating a preview is just another one-liner where ffmpeg captures images and joins them into a single long film strip.įfmpeg -loglevel panic -y -i "video.mp4" -frames 1 -q:v 1 -vf "select=not(mod(n\,40)),scale=-1:120,tile=100x1" video_preview.jpg If you're looking for a way to extract only a certain number of frames from the video and merge them into one file, I would recommend the tutorial on this website: Then you can perform the calculation and insert the result into your command with the correct tile filter.
If you want to do calculations based on the amount of frames, you will probably have to extract the nb_frames attribute from the output ofįfprobe -show_streams -i "big_buck_bunny.mp4"įirst. I'm not completely answering your question, but this might be of help finding it.
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