View source for Add video subtitle

== Example ==
<pre>
add video subtitle("C:\\Users\\Downloads\\Marcel.srt","C:\\Users\\Downloads\\combine list\\marcel.mp4","C:\\Users\\Downloads\\combine list\\subbed_marcel.mp4")
</pre>

Running the script will produce a subtitle video. In some video players, the ability to display subtitles will need to be activated for the subtitles to show.
Not all video players can accept .srt subtitled file formats.