[FFmpeg-user] How to get DVB-Teletxt into MP4

[S Andreason]

Carl Eugen Hoyos wrote:
>>
>> ffmpeg -ss 00:04:45 -i 'Beck_ _je for _je (4).ts' -to 00:05:00 -c copy sample.ts
> NO!
>
> Don’t use ffmpeg to cut your samples, avoid it at all costs! dd is your friend.
>
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>

Seriously?
ffmpeg-user says don't use ffmpeg.

"ffprobe, tell me what byte next I-frame starts at."

"I can't do that Dave."