Burn Subtitles into a video

ari_burn_subtitles(video, srt, verbose = FALSE)

Arguments

video	Video in `mp4` format
srt	Subtitle file in `srt` format
verbose	print diagnostic messages. If > 1, then more are printed

Name of output video

This needs ffmpeg that was compiled with --enable-libass as per https://trac.ffmpeg.org/wiki/HowToBurnSubtitlesIntoVideo