$ command line cheat sheets
Cheat Sheet Title: [ no_spaces_alphanumeric_only ]
Cheat Sheet:# Getting infos from a video file ffmpeg -i video.avi # Turn X images to a video sequence ffmpeg -f image2 -i image%d.jpg video.mpg This command will transform all the images from the current directory (named image1.jpg, image2.jpg, etc…) to a video file named video.mpg. # Turn a video to X images ffmpeg -i video.mpg image%d.jpg This command will generate the files named image1.jpg, image2.jpg, … The following image formats are also availables : PGM, PPM, PAM, PGMYUV, JPEG, GIF, PNG, TIFF, SGI. # Encode a video sequence for the iPod/iPhone ffmpeg -i source_video.avi input -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X final_video.mp4 Explanations: * Source: source_video.avi * Audio codec: aac * Audio bitrate: 128kb/s * Video codec: mpeg4 * Video bitrate: 1200kb/s * Video size: 320px by 180px * Generated video: final_video.mp4 # Encode video for the PSP ffmpeg -i source_video.avi -b 300 -s 320x240 -vcodec xvid -ab 32 -ar 24000 -acodec aac final_video.mp4 Explanations: * Source: source_video.avi * Audio codec: aac * Audio bitrate: 32kb/s * Video codec: xvid * Video bitrate: 1200kb/s * Video size: 320px by 180px * Generated video: final_video.mp4 # Extracting sound from a video, and save it as Mp3 ffmpeg -i source_video.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 sound.mp3 Explanations: * Source video: source_video.avi * Audio bitrate: 192kb/s * Output format: mp3 * Generated sound: sound.mp3 # Convert a wav file to Mp3 ffmpeg -i son_origine.avi -vn -ar 44100 -ac 2 -ab 192 -f mp3 son_final.mp3 # Convert .avi video to .mpg ffmpeg -i video_origine.avi video_finale.mpg # Convert .mpg to .avi ffmpeg -i video_origine.mpg video_finale.avi # Convert .avi to animated gif(uncompressed) ffmpeg -i video_origine.avi gif_anime.gif # Mix a video with a sound file ffmpeg -i son.wav -i video_origine.avi video_finale.mpg # Convert .avi to .flv ffmpeg -i video_origine.avi -ab 56 -ar 44100 -b 200 -r 15 -s 320x240 -f flv video_finale.flv # Convert .avi to dv ffmpeg -i video_origine.avi -s pal -r pal -aspect 4:3 -ar 48000 -ac 2 video_finale.dv Or: ffmpeg -i video_origine.avi -target pal-dv video_finale.dv # Convert .avi to mpeg for dvd players ffmpeg -i source_video.avi -target pal-dvd -ps 2000000000 -aspect 16:9 finale_video.mpeg Explanations: * target pal-dvd: Output format * ps 2000000000 maximum size for the output file, in bits (here, 2 Gb) * aspect 16:9 : Widescreen # Compress .avi to divx ffmpeg -i video_origine.avi -s 320x240 -vcodec msmpeg4v2 video_finale.avi # Compress Ogg Theora to Mpeg dvd ffmpeg -i film_sortie_cinelerra.ogm -s 720x576 -vcodec mpeg2video -acodec mp3 film_terminée.mpg # Compress .avi to SVCD mpeg2 NTSC format: ffmpeg -i video_origine.avi -target ntsc-svcd video_finale.mpg PAL format: ffmpeg -i video_origine.avi -target pal-svcd video_finale.mpg # Compress .avi to VCD mpeg2 NTSC format: ffmpeg -i video_origine.avi -target ntsc-vcd video_finale.mpg PAL format: ffmpeg -i video_origine.avi -target pal-vcd video_finale.mpg # Multi-pass encoding with ffmpeg ffmpeg -i fichierentree -pass 2 -passlogfile ffmpeg2pass fichiersortie-2 # Convert file to Matroska container without re-encoding ffmpeg -i input_file.wmv -vcodec copy -sameq -acodec copy -f matroska output_file.mkv # Trim section of video file ffmpeg -i <input_file> -vcodec copy -acodec copy -scodec copy -ss <start_timecode> -t <duration_timecode> <output_file>
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