How do you convert movies with subtitles to MP4s with softsubs?

[Chris Dukes]

Basically, Movie.avi + Movie.srt = Movie.mp4

What's a good program? I'm looking at Tencoder. Will MKVMerge do the same thing but with MKVs?

[netmask56]

If you are happy with a MKV then yes MKVMerge - just add the video and the sub and away you go. Doesn't take very long to do, only minutes.

[blud7]

Or you can use mp4box. It will import srt as ttxt softsubs.
There are a few GUIs around but none quite as versatile as the command line.

[Budman1]

You can also use FFMPEG to add subs to existing MKV or MP4:


If the starting file is other than MP4 or MKV and you wish to end with these formats, change -c:v copy -c:a copy to your favorite codecs such as -c:v libx264 -c:a libvo_aacenc.

Images were used to check output for valid operation and to display command line generated.