FFMPEG commands used for fitz

ffmpeg.txt

brew install ffmpeg --with-fdk-aac --with-ffplay --with-freetype --with-frei0r --with-libass --with-libvo-aacenc --with-libvorbis --with-libvpx --with-opencore-amr --with-openjpeg --with-opus --with-rtmpdump --with-schroedinger --with-speex --with-theora --with-tools


Split file based on time:
ffmpeg -i filename -ss startInSeconds -t endInSeconds  outputfilename
eg
ffmpeg -i 23-10-2018_22-01-34.mp4 -ss 0 -t 140  part2.mp4

Burn subtitles in permanently from srt file
ffmpeg -i tracey.mp4 -vf "subtitles=nino.Eng.srt:force_style='FontName=Arial,FontSize=15'"  -c:v h264  -c:a copy  output-overlay-subs2.mp4

Convert mov to mp4 hd
ffmpeg -i KXSG4152.MOV -preset slow -codec:a libfdk_aac -b:a 128k -codec:v libx264 -pix_fmt yuv420p -b:v 4500k -minrate 4500k -maxrate 9000k -bufsize 9000k -vf scale=-1:1080 tracey.mp4

Add subtitles that are user controlled
ffmpeg -i tracey.mp4 -i "nino.Eng.srt" -c copy -c:s -metadata:s:a:0 language=English mov_text subtitled.mp4

Compress
ffmpeg -i input.mp4 -vcodec h264 -acodec mp2 output.mp4

Add blurred images at side for vertically shot video:

ffmpeg -i input-file.mp4 -filter_complex "[0:v]scale=ih*16/9:-1,boxblur=luma_radius=min(h\,w)/20:luma_power=1:chroma_radius=min(cw\,ch)/20:chroma_power=1[bg];[bg][0:v]overlay=(W-w)/2:(H-h)/2,crop=h=iw*9/16" output-file.mp4