ffmpeg useful scripts

ffmpeg_scripts.sh

# Convert video to gif

ffmpeg -i input.mp4 -filter_complex "[0]fps=10" output.gif

ffmpeg -ss 00:00:00.000 -i newtab.mov -pix_fmt rgb24 -r 10 output.gif
convert -verbose -dither none -matte -depth 8 -deconstruct -layers optimizePlus -colors 32 output.gif optimized.gif

# Convert mkv to mp4

ffmpeg -i input.mkv -codec copy output.mp4

# Extract subtitles

ffmpeg -i input.mkv -map 0:s:0 subs.srt

# Change encoding

iconv -f windows-1252 -t utf8 subs.srt > subs-utf8.srt

# Convert mov to mp4

ffmpeg -i movie.mov -vcodec copy out.mp4
ffmpeg -i movie.mov -vcodec h264 -acodec mp2 out.mp4

# Rotate video

ffmpeg -i horizontal-video.mp4 -c copy -metadata:s:v:0 rotate=270 vertical-video.mp4

# Burn subtitles into video

ffmpeg -i genzbreakup.mp4 -vf "subtitles=When Gen Z breaks up.srt:force_style='Alignment=2,Fontsize=12,BorderStyle=1,MarginV=60'" genzbreakup_with_srt.mp4