[FFmpeg-user] File sizes after transcoding with ffmpeg.

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Dec 3 19:01:52 CET 2013

ನಾಗೇಶ್ ಸುಬ್ರಹ್ಮಣ್ಯ (Nagesh S <nageshblore <at> gmail.com> writes:

> ffmpeg -i in.mp4 -vf subtitles=sub.srt -codec:v mpeg2video 
> -codec:a mp3 in.mpg
> The mpg is then converted to VOB as follows. This is so 
> that dvdauthor can be used to add titles, chapters, etc.
> ffmpeg -i in.mpg -target ntsc-dvd in.vob

Something is wrong here.

To minimize quality loss because of frequent recoding, 
you should combine both above commands into one.

Output file size depends on the bitrate which depends 
on the quality that you wish for your output DVD.

Carl Eugen

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