Edit videos using ffmpeg in linux ubuntu

FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. It includes libavcodec - the leading audio/video codec library and the ffmpeg command line program for transcoding multimedia files.

• Install ffmpeg in Ubuntu : "sudo apt-get install ffmpeg"

 FFmpeg commands to edit videos :

1. Extracting a clip from a longer video( -ss for start time , -t for end time and -sameq for same quality)

• "ffmpeg -ss 00:06:09 -t 00:00:15 -i infile.avi  -sameq  outfile.avi"

 2. Merge audio and video

• "ffmpeg -i input.mp3 -i input.avi -sameq output.avi"

3. Convert a file from one format to another

• "ffmpeg -i input.mp4 -vcodec copy -acodec copy output.mpg"

4. Change resolution of video ( -s = size)

• "ffmpeg -i  inputfile.avi  -s 320x240  outputfile.avi"

5. Crop a video

• "ffmpeg -i inputfile.avi -croptop 88 -cropbottom 88 -cropleft 360 -cropright 360 outputfile.avi"

6. Extract (save) all Frames of a videos ( "-r"=  rate (fps)  )

• "ffmpeg -i inputfile.avi -r 1  image-%3d.jpeg"

7. Extract audio from a video ( -b = bit rate)

• "ffmpeg -i inputfile.avi -b 128k out.mp3"

Enjoy !!!!