[FFmpeg-user] Subtitle track command consolidation

Robert Schwalbe dev-null at inode.com
Sun Feb 16 22:11:58 EET 2025


Greetings!

Have mercy ...

I have one input file that contains a single video track and two 
audio tracks. I discard the unwanted audio
track with the following command:

         ffmpeg -i input.mp4 -map 0:v -map 0:a:1 -c copy tmp.mp4

 From an input file containing one subtitle track, I add the subtitle 
with the following command:

         ffmpeg -i tmp.mp4 -i input.srt -c copy -c:s mov_text 
-metadata:s:s:0 language=eng output.mp4

Is there a way to consolidate these two commands into a single 
command? In particular, adding in the
subtitle. I am using "ffmpeg version 4.4.5".

If you are so inclined, I would be more than amenable to criticisms 
as to how I am going about my business. I
constantly strive for best practices but after a lot of trial and 
error I just settled upon the above.

Seems I can do better.

With sincere appreciation and gratitude for this list. Thank you.


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