FFMPEG Commands
Contents
General
-y :overwrite
-s 1920x1080 : width x height. output size
Extracting images (jpeg) from a video:
ffmpeg -i foo.avi -f image2 f%03d.jpg
ffmpeg convert to photo-jpeg
ffmpeg -i input.mov -pix_fmt yuv420p -vcodec mjpeg -qscale 1 output.mov
ffmpeg -i f%03d.jpg -pix_fmt yuv420p -vcodec mjpeg -qscale 1 output.mov
Add Watermark/Overlay & H264 output
ffmpeg -i image.%04d.jpg -vcodec libx264 -b 15M -f mov -g 30 -bf 3 -b_strategy 1 -coder 1 -qmin 20 -qmax 51 -sc_threshold 40 -flags +loop -cmp +chroma -me_range 16 -me_method hex -subq 5 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -directpred 1 -flags2 +fastpskip -dts_delta_threshold 1 -acodec libfaac -ab 192k -y -vf "movie=0:png:o.png, scale=1280x720 [wm];[in][wm] overlay=0:0:1 [out]" -s 1280x720 output_watermark.mov
Another version. For windows build and newer version of ffmpeg
ffmpeg -i image.%04d.jpg -vcodec libx264 -b 15M -f mov -g 30 -bf 3 -b_strategy 1 -coder 1 -qmin 20 -qmax 51 -sc_threshold 40 -flags +loop -cmp +chroma -me_range 16 -me_method hex -subq 5 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -directpred 1 -flags2 +fastpskip -dts_delta_threshold 1 -acodec libfaac -ab 192k -y -vf "movie=o.png, scale=1280:720 [mask];[in][mask] overlay=0:0:1 [out]" -s 1280x720 output_watermark.mov
Split video
use -ss 00:00:01.000 #start position
-t 00:00:30.000 #duration
Padding & Overlay
//padding 90px top and bottom
ffmpeg -i image.%04d.jpg -vcodec libx264 -b 15M -f mov -g 30 -bf 3 -b_strategy 1 -coder 1 -qmin 20 -qmax 51 -sc_threshold 40 -flags +loop -cmp +chroma -me_range 16 -me_method hex -subq 5 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -directpred 1 -flags2 +fastpskip -dts_delta_threshold 1 -acodec libfaac -ab 192k -y -vf "[in]pad=1280:900:0:90:black[pd];movie=o.png, scale=1280:900 [mask];[pd][mask] overlay=0:0:1 [out]" -s 1280x720 output_padding90.mov
Convert to ipad
ffmpeg -y -i input.avi -acodec aac -ar 48000 -ab 128k -ac 2 -s 1024x768 -vcodec libx264 -b:v 1200k -flags +loop+mv4 -cmp 256 -partitions +parti4x4+partp8x8+partb8x8 -subq 7 -trellis 1 -refs 5 -coder 0 -me_range 16 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -bt 1200k -maxrate 1200k -bufsize 1200k -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -level 30 -aspect 16:9 -r 30 -g 90 -async 2 output.mp4
Convert to wmv
ffmpeg -i winter_clip.mov -vcodec wmv2 -b 12000k -ar 44100 -ab 192k -ac 2 -y -s 720x406 output.wmv
use ffpreset in windows
ffmpeg -i "d:\inputfile.avi" -vcodec libx264 -crf 25 -s 1600x900 -vpre "d:\ffmpeg\ffpresets\libx264-veryslow.ffpreset" -acodec libmp3lame -ar 44100 -ab 128k -f flv tmp.mp4
convert m4a to mp3 in batch
for f in *.m4a; do ffmpeg -i "$f" -codec:a libmp3lame -q:a 2 mp3s/"${f%.m4a}.mp3"; done
