FFmpeg & Subtitles

Wichtiger HinweisDiese Anleitung stammt nicht von mir, sie ist von Mohammed Innat. Das Ori­gi­nal findet ihr auf Gist.

FFmpeg Steps for Windows

• Download FFmpeg
• Extract it and save it to C drive (choose any location - it’s optionl)
• Set environment variable - copy the location of bin folder which is inside the extracted file and set the location on system path variable.
• Done!

Remove Hard Subtitles

Let’s say you have a english video file name demo.mkv and it has horrible subtitile problem like chines or a language that you can’t understand, than you can simply remove subtitle usign ffmpeg framework. We are talking about built-in subtitiles not .srt file. To do so, follow the following steps:

• Install FFmepg on your pc and set path variable if needed.
• Go to your file location and open command prompt or terminal there.
• After that run the following command - ffmpeg -i video.mkv -vcodec copy -acodec copy -sn video-no-subs.mkv

Integrate Hard Subtitle

Now if any case you want to integrate a srt file on a video player. Then follow below step -

• Download desire subtitle (language) from online
• let’s assume demo.mkv and downloaded file named sub.srt
• put both file in one location and open terminal from that location and run following command
• First convert the subtitles to .ass format: ffmpeg -i sub.srt subs.ass
• To mux subtitles into a video file run - ffmpeg -i demo.mkv -i sub.ass -codec copy -map 0 -map 1 output.mkv

Extract Subtitile for Video file

Now in these case, a video file with an embeded subtitile and you want to make it srt file or other work a soft subtitile file. We cas do it by following command

• ffmpeg -i demo.mkv -map 0:s:0 sub.srt

That’s it.