video - ffmpeg: add subtitles to mp4 with out creating a new file - 


ffmpeg -i infile.mp4 -i infile.srt -c copy -c:s mov_text outfile.mp4

adds subtitles mp4 video creates new file instead adding few blocks of data existing file.

is there way modify existing video instead of creating new one?

subler great in second, should ffmpeg.

ffmpeg not in-place editing.


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