ffmpegUsage

asdfa ffmpeg -i input.mp4 -filter_complex “[0]scale=iw/3:-1[pip];[0]convolution,colorbalance[bg];[bg][pip]overlay=main_w-overlay_w-10:main_h-overlay_h-10[v]” -map “[v]” -map 0:a -c:a copy output.mp4

Extract 1st frame as image from video ffmpeg -y -i /data/Short2.mp4 -vframes 1 /tmp/Short2.jpg The parameter meanings: param -idefines the file incl. path to the input video, in our example the file /data/Short2.mp4 param -vframes 1only handle one video frame, in the above case exactly the frame 1 of the video param /tmp/Short2.jpgdefines the output

Aliens 1979 ffmpeg -i inputVideo.mp4 -vf “selectivecolor=reds=0 -0.20 -0.20 0:yellows=0 0 -0.20 0.10:cyans=-0.66 -0.50 0.20 0.75:blues=0 0 -0.50 0.15” /tmp/output-alien1979.mp4 -vf selectivecolor=reds=0 -0.20 -0.20 0:yellows=0 0 -0.20 0.10:cyans=-0.66 -0.50 0.20 0.75:blues=0 0 -0.50 0.15 Transformers ffmpeg -i inputVideo.mp4 -vf “selectivecolor=reds=0 -0.1 -0.1 0.1:yellows=0 0 -0.1 0.05:cyans=0 0.1 0.1 -0.05” /tmp/output-transformers.mp4

Sometimes you want to have a video playback shortend to reduce the time a view needs to see the full length of the video. For this we need to speed up the video playback. This is typically done by dropping frames during the playback to reduce the amount of time. ffmpeg is using exactly this