FFMPEG alpha merge, color, clipping, jpg2000, webp, frame tiles

sequence to jpeg2000

ffmpeg -i "c:\ffmpeg\in\hero\gbuffer_%05d.png" -pix_fmt yuv420p -vcodec jpeg2000 "c:\ffmpeg\out\hero\cover_%04d.jpeg"

sequence to webp

ffmpeg -i "c:\ffmpeg\in\hero\gbuffer_%05d.png" -pix_fmt yuv420p -codec libwebp "c:\ffmpeg\out\hero\cover_%04d.webp"

ffmpeg -i "c:\ffmpeg\in\hero\gbuffer_%05d.png" -i "c:\ffmpeg\in\hero\alpha_%04d copy.jpg" -filter_complex "[1:v]alphaextract[alf];[0:v][alf]alphamerge" -pix_fmt yuv420p -vcodec jpeg2000 "c:\ffmpeg\out\hero\cover_alpha_%04d.jpeg"

ffmpeg -i "c:\ffmpeg\in\hero\gbuffer_%05d.png" -i "c:\ffmpeg\in\hero\alpha_%04d copy.jpg" -filter_complex "[1:v]split[a];[a]geq='if(lt(lum(X,Y),16),0,255)',hue=s=0[al];[0:v][al]alphamerge,format=yuva420p" -pix_fmt yuv420p -vcodec jpeg2000 "c:\ffmpeg\out\hero\cover_alpha_%04d.jpeg"

sequence grayscale to alpha

ffmpeg -i "c:\ffmpeg\in\hero\alpha_%04d copy.jpg" -vf format=yuva444p,geq='r=255:g=255:b=255:alpha_expr=r(X,Y)' -codec png "c:\ffmpeg\in\hero\alpha_%04d.png"

sequence merge grayscale to alpha input 1 png

ffmpeg -i "c:\ffmpeg\in\hero\gbuffer_%05d.png" -i "c:\ffmpeg\in\hero\alpha_%04d copy.jpg" -filter_complex "[1:v]format=yuva444p,geq='r=255:g=255:b=255:alpha_expr=r(X,Y)'[a1];[a1]format=yuva444p,alphaextract[alf];[0:v][alf]alphamerge" -pix_fmt rgba -codec png -q:v 1 "c:\ffmpeg\out\hero\cover_alpha_%04d.png"

sequence merge grayscale to alpha input 1 jpeg2000

ffmpeg -i "c:\ffmpeg\in\hero\gbuffer_%05d.png" -i "c:\ffmpeg\in\hero\alpha_%04d copy.jpg" -filter_complex "[1:v]format=yuva444p,geq='r=255:g=255:b=255:alpha_expr=r(X,Y)'[a1];[a1]format=yuva444p,alphaextract[alf];[0:v][alf]alphamerge" -pix_fmt rgba -codec libopenjpeg -format 2 -compression_level 100 "c:\ffmpeg\out\hero\cover_alpha_%04d.jp2"

sequence merge grayscale to alpha input 1 webp

ffmpeg -i "c:\ffmpeg\in\hero\gbuffer_%05d.png" -i "c:\ffmpeg\in\hero\alpha_%04d copy.jpg" -filter_complex "[1:v]format=yuva444p,geq='r=255:g=255:b=255:alpha_expr=r(X,Y)'[a1];[a1]format=yuva444p,alphaextract[alf];[0:v][alf]alphamerge" -pix_fmt yuva420p -codec libwebp "c:\ffmpeg\out\hero\cover_alpha_%04d.webp"

sequence convert png to jpeg2000

ffmpeg -i "c:\ffmpeg\out\cover_alpha_%04d.png" -pix_fmt rgba -codec libopenjpeg -format 2 -compression_level 100 "c:\ffmpeg\out\cover_alpha_%04d.jp2"

sequence convert png to jpeg2000 with color

ffmpeg -f lavfi -i color=c=#eef1f4:s=1280x1280 -i "c:\ffmpeg\out\hero\cover_alpha_%04d.png" -filter_complex "[0:v][1:v]overlay=shortest=1,format=yuv420p[out];[out]crop=650:995:360:40[out]" -map "[out]" -pix_fmt rgb24 -codec libopenjpeg -format 2 -compression_level 100 "c:\ffmpeg\out\hero\cover_alpha_%04d.jp2"

sequence convert png to webp with color

ffmpeg -f lavfi -i color=c=#eef1f4:s=1280x1280 -i "c:\ffmpeg\out\hero\cover_alpha_%04d.png" -filter_complex "[0:v][1:v]overlay=shortest=1,format=yuv420p[out];[out]crop=650:995:360:40[out]" -map "[out]" -pix_fmt bgra -codec libwebp "c:\ffmpeg\out\hero\cover_alpha_%04d.webp"

video to jpeg2000 with color

ffmpeg -i "c:\ffmpeg\in\video\gbuffer_%05d.jpg" -pix_fmt rgb24 -codec libopenjpeg -format 2 -compression_level 20 "c:\ffmpeg\out\video\video_%04d.jp2"

video to webp with color

ffmpeg -i "c:\ffmpeg\in\video\gbuffer_%05d.jpg" -pix_fmt bgra -codec libwebp "c:\ffmpeg\out\video\video_%04d.webp"

hero to jpg

ffmpeg -f lavfi -i color=c=#eef1f4:s=1280x1280 -i "c:\ffmpeg\out\hero\cover_alpha_0001.png" -filter_complex "[0:v][1:v]overlay=shortest=1,format=yuv420p[out];[out]crop=650:995:360:40[out]" -map "[out]" -pix_fmt yuvj444p -q:v 15 "c:\ffmpeg\out\hero\cover_alpha_0001.jpg"

ffmpeg -f lavfi -i color=c=#eef1f4:s=1280x1280 -i "c:\ffmpeg\out\hero\cover_alpha_%04d.png" -filter_complex "[0:v][1:v]overlay=shortest=1,format=yuv420p[out];[out]crop=650:995:360:40[out]" -map "[out]" -pix_fmt yuvj444p -q:v 15 "c:\ffmpeg\out\hero\cover_alpha_%04d.jpg"

jpg compression

ffmpeg -i "c:\ffmpeg\in\video\gbuffer_%05d.jpg" -pix_fmt yuvj444p -q:v 15 "c:\ffmpeg\out\video\video_%04d.jpg"

50x1 frame tiles

ffmpeg -f lavfi -i color=c=#eef1f4:s=1280x1280 -i "c:\ffmpeg\out\hero\cover_alpha_%04d.png" -filter_complex "[0:v][1:v]overlay=shortest=1,format=yuv420p[out];[out]crop=650:995:360:40,select=not(mod(n\,2)),tile=50x1[out]" -map "[out]" -pix_fmt yuvj444p -q:v 15 "c:\ffmpeg\out\hero\hero.jpg"

50x1 frame tiles

ffmpeg -i "c:\ffmpeg\in\video\gbuffer_%05d.jpg" -filter_complex "[0:v]select=not(mod(n\,2)),tile=50x1[out]" -map "[out]" -pix_fmt yuvj444p -q:v 15 "c:\ffmpeg\out\video\video.jpg"

mac os batch

for i in *.tif; do ffmpeg -i "$i" -vf scale=1920:-1 -pix_fmt yuvj444p -q:v 15 "${i%.*}.jpg"; done

actarian/ffmpeg-export-options.md