Adding subtitles in ffmpeg

Given:

• an mp4 file input.mp4
• a subtitle file input.srt

Create an output file with subtitles, without re-encoding:

ffmpeg -i input.mp4 -i input.srt -map 0 -map 1:s -c:a copy -c:v copy -c:s mov_text output.mp4

For MP4, subtitles must be mov_text.