FFMPEG
Door Kor Dwarshuis op 2022-05-25
How to use FFMPEG on the command line.
Use FFMPEG
If you are comfortable using the command line, then stop using all these applications for video editing and start using FFMPEG.
One way to install is via Homebrew.
Crop
Source: https://video.stackexchange.com/a/4571
Where the options are as follows:
- out_w is the width of the output rectangle
- out_h is the height of the output rectangle
- x and y specify the top left corner of the output rectangle
ffmpeg -i input.mp4 -filter:v "crop=888:555:0:400" output.mp4
Cut
Source: https://stackoverflow.com/a/42827058
The timing format is: hh:mm:ss
ffmpeg -ss 00:01:00 -to 00:02:00 -i input.mp4 -c copy output.mp4
MOV to MP4
Source: https://mrcoles.com/convert-mov-mp4-ffmpeg/
The “30” is my preference for the quality of the video. A lower value generally leads to higher quality.
ffmpeg -i input.mov -preset veryslow -crf 30 output.mp4
MP4 to MP3
ffmpeg -i input.mp4 -vn -ar 44100 -ac 2 -b:a 192k output.mp3
Remove audio
Source: https://ottverse.com/add-remove-extract-audio-from-video-using-ffmpeg/
ffmpeg -i input.mp4 -c:v copy -an output.mp4
Find codec
ffprobe -hide_banner -stats -i input.mp4 2>&1 >/dev/null | grep Stream
Remove metadata
Source: https://superuser.com/a/428039
ffmpeg -i input.mp4 -map_metadata -1 -c:v copy -c:a copy output.mp4