Hello,
I'm looking for a command format to embed subtitles into video (not to
burn them).
This command, that I found somewhere on the web works fine - the
subtitles are just embedded into video, quite rapid process.
ffmpeg -i video.mp4 -i video.srt -map 0:v -map 0:a -c copy -map 1 -c:s:0
mov_text -metadata:s:s:0 language=fra output.mp4
I need to process many files in batch mode, so I decided to use Python.
In Python there is ffmeg support package: *ffmpeg-python*.
ffmpeg-python 0.2.0 <https://pypi.org/project/ffmpeg-python/>
Unfortunately in the documentation there is no examples on how to
process subtitles.
The only example I found (snippet below) burns subtitles into video ...
quite time-consuming process.
import ffmpeg
input_dir = 'mydir/'
video_file = 'video.mp4'
subtl_file = 'subtitles.srt'
(
ffmpeg
.input(input_dir+video_file)
.filter('subtitles', input_dir+subtl_file)
.output(input_dir+'output.mp4')
.run()
)
What option in the command I wrote at the beginning causes the subtitles
to be embedded as metadata, and not rendered with particular frames?
Thanks.
Sincerely.
Pavel.
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