Is there an easy way to extract the first subtitle (dvdsub) for a specific
stream as an image? In such a way that I can see the subtitle in the
resulting image.
The following works... (limited testing) but it's kind of slow and
cumbersome and I'm hoping there's a better way:
$ ffprobe -i movie.vob -select_streams 5 -show_frames -print_format flat |
grep 'pts_time=' | head -n1
(get the value of pts_time from output and use in -ss option)
$ ffmpeg -i movie.vob -ss 209.883889 -codec:v mpeg2video -filter_complex
'[0:v][0:5]overlay' -frames:v 1 -f mpeg - | ffmpeg -i - -frames:v 1
subtitle-05.png
I don't care if the subtitle is overlayed onto the video, all I want is to
see the subtitle. In fact I'd prefer it was NOT overlayed... or if it has
to be overlayed, could it be overlayed onto some kind of blank background?
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