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There is the MISB Standard 0604.2 which specifies how MPEG-2 transport streams can store UTC-referenced precision time stamps in the user data field between the picture header and the picture data for frame. Commercial products advertise support for this standard. So far, I have not found sample videos with this standard. The MISB Standard 0604.2 also ...


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Found out that ffmpeg works on the text based subtitle file just as well: $ cat subtitles.srt 1 00:00:06,000 --> 00:00:20,000 This is demo subtitle 1 2 00:00:20,000 --> 00:00:40,000 This is demo subtitle 2 $ ffmpeg -i subtitles.srt -ss 5 -t 60 -y cut.srt $ cat cut.srt 1 00:00:01,000 --> 00:00:15,000 This is demo subtitle 1 2 00:00:15,000 --> ...


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