Useful ffmpeg commands for common video editing tasks

From time 00:03 to 00:06 without reencoding(fast)

ffmpeg -i infile.mp4 -ss 00:03 -to 00:06 -c copy outfile.mp4

ffmpeg -f concat -i filesToJoin.txt combined.mp4
// filesToJoin.txt content
// file infile1.mp4
// file infile2.mp4

mov to mp4

ffmpeg -i infile.mov outfile.mp4

Convert video to GIF

The dirty way ffmpeg -i infile.mp4 -vf "fps=10,scale=320:-2:flags=lanczos" outfile.gif

GIF color issues might be there as gif has only 256 color pallette. To create better gif, first create color pallette and use that to create gif.

Overlay a logo

ffmpeg -i video_clip.mp4 -i logo.png -filter_complex "overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2" video.mp4

Using ffmpeg-generate-video-preview to create screenshots collage

generate-video-preview infile.mp4 previewCollage.jpg --width 160 --rows 5 --cols 6 --padding 4 --margin 4

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