``` for d in ./*/ ; do (cd "$d" && pwd && ffmpeg -pattern_type glob -r 60 -i "*.png" -c:v libvpx-vp9 -pix_fmt yuvj420p -crf 30 -b:v 0 -auto-alt-ref 0 ../$(basename ${PWD%/*})-${PWD##*/}.webm); done # png (current dir) to mp4 ffmpeg -pattern_type glob -r 60 -i "*.png" -vcodec libx264 -crf 25 -pix_fmt yuv420p ${PWD##*/}.mp4 # Sub dirs to mp4 for d in ./*/ ; do (cd "$d" && pwd && ffmpeg -pattern_type glob -r 60 -i "*.png" -vcodec libx264 -crf 25 -pix_fmt yuv420p ../${PWD##*/}.mp4); done for d in ./*/ ; do (cd "$d" && pwd && ffmpeg -pattern_type glob -r 60 -i "*.png" -vcodec libx264 -preset ultrafast ../${PWD##*/}.mp4); done # mp4 to gif for f in *.mp4; do (ffmpeg -i "$f" -vf "fps=30,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" -loop 0 ${f%.*}.gif); done for f in *.mp4; do (ffmpeg -i "$f" -vf "fps=30,split[s0][s1];[s0]palettegen=stats_mode=diff[p];[s1][p]paletteuse" -loop 0 ${f%.*}.gif); done for f in *.mp4; do (ffmpeg -i "$f" -vf "fps=30,split[s0][s1];[s0]palettegen=stats_mode=single[p];[s1][p]paletteuse" -loop 0 ${f%.*}.gif); done # png to gif for d in ./*/ ; do (cd "$d" && pwd && ffmpeg -pattern_type glob -r 60 -i "*.png" -vf "fps=30,split[s0][s1];[s0]palettegen=stats_mode=single[p];[s1][p]paletteuse" -loop 0 ../${PWD##*/}.gif); done # mp4 to webm for f in *.mp4; do (ffmpeg -i "$f" -c:v libvpx -crf 30 -b:v 0 "${f%.*}.webm"); done # with audio for f in *.mp4; do (ffmpeg -i "$f" -c:v libvpx -crf 30 -b:v 0 -b:a 128k -c:a libopus "${f%.*}.webm"); done for f in *.mp4; do (ffmpeg -i "$f" -c:v libvpx-vp9 -crf 30 -b:v 0 -pass 1 -an -f null /dev/null && ffmpeg -i "$f" -c:v libvpx-vp9 -crf 30 -b:v 0 -pass 2 -c:a libopus "${f%.*}.webm"); done # png to webm for d in ./*/ ; do (cd "$d" && pwd && ffmpeg -pattern_type glob -r 60 -i "*.png" -c:v libvpx -crf 30 -b:v 0 -auto-alt-ref 0 ../$(basename ${PWD%/*})-${PWD##*/}.webm); done for d in ./*/ ; do (cd "$d" && pwd && ffmpeg -pattern_type glob -r 60 -i "*.png" -c:v libvpx -crf 30 -b:v 0 -auto-alt-ref 0 ../${PWD##*/}.webm); done # png to webm (VP9, 2-Pass) for d in ./*/ ; do (cd "$d" && pwd && (ffmpeg -pattern_type glob -r 60 -i "*.png" -c:v libvpx-vp9 -b:v 0 -crf 30 -pass 1 -an -f null /dev/null && ffmpeg -pattern_type glob -r 60 -i "*.png" -c:v libvpx-vp9 -b:v 0 -crf 30 -pass 2 ../$(basename ${PWD%/*})-${PWD##*/}.webm)); done # motion png (png-sequence) to webm for d in ./*/ ; do (cd "$d" && pwd && fargs='-r 60 -f image2pipe -i all.png -c:v libvpx-vp9 -b:v 0 -crf 30'; (ffmpeg $fargs -pass 1 -an -f null /dev/null && ffmpeg $fargs -pass 2 ../$(basename ${PWD%/*})-${PWD##*/}.webm)); done #loop c=4 && for f in *.webm; do ( > files.txt && (for i in $(seq $c); do echo "file '$f'" >> files.txt; done) && mkdir -p Loop && ffmpeg -f concat -i files.txt -c copy ./Loop/"$f"-loop-"$c".webm); done && rm files.txt #extract first frame ffmpeg -i <input> -vframes 1 out.png #extract first frame for files in dir for f in ./*/*.webm ; do (n=$(basename $f) && n="${n%.*}" && echo "File: '$n'" && ffmpeg -i $f -vframes 1 ./$n-Frame%04d.png) ; done #extract all frames ffmpeg -i <input> ./out/%04d.png #extract all frames for files in dir for f in ./*.{mp4,mpg,wmv} ; do (n=$(basename $f) && d="${n%.*}-${n##*.}" && echo "File: '$n' -> '$d'" && if [ ! -d "./$d" ]; then (mkdir "./$d" && ffmpeg -i $f ./$d/%04d.png); else (echo "Skip...") fi); done #add audio to webm ffmpeg -i <input>.webm -i <input>.mp3 -c:v copy -c:a libopus output.webm ffmpeg -i <input>.webm -i <input>.mp3 -c:v copy -c:a libopus -t 1.500 output.webm #1.500s duration ffmpeg -i <input>.webm -i <input>.mp3 -c:v copy -c:a libopus -shortest output.webm #shortest of both ffmpeg -i <input>.webm -stream_loop -1 -i <input>.mp3 -c:v copy -c:a libopus -t 1.500 output.webm #loop audio (-1=infinite), 1.500s duration ffmpeg -i <input>.webm -i <input>.mp3 -c:v copy -acodec libopus -mapping_family 0 -b:a 96k -map 0:v:0 -map 1:a:0 -shortest output.webm #BEST RESULT; LibOpus Optimization #add audio delay to mp3 ffmpeg -i <input>.mp3 -af "apad=pad_dur=1" output.mp3 #1.000s duration at the end ffmpeg -i <input>.mp3 -af "adelay=1s:all=true" output.mp3 #1.000s duraton at the beginning #rescale image ffmpeg -i <input>.png -vf scale=64:64 output_64.png #playlist to mp4 ffmpeg -i "http://host/folder/file.m3u8" -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 file.mp4 #ts to mp4 (copy) for f in *.ts; do (ffmpeg -i "$f" -map 0 -c copy "${f%.*}.mp4"); done #flac to mp3 ffmpeg -i <input>.flac -ab 320k -map_metadata 0 -id3v2_version 3 output.mp3 for f in *.flac; do ffmpeg -i "$f" -ab 320k -map_metadata 0 -id3v2_version 3 "${f%.*}.mp3"; done ```