I have recorded a TV-movie with my SAT-recorder on harddisk. The movie is in
french and has subtitles in several languages. I cutted the ts-file and removed
all subtitles except german wit tsdoctor. Sometimes later I noticed that the
subtitles come about four seconds too early. Unfortunately I had deleted the
original file until then.
ffprobe shows the following output:
```none
ffprobe version 6.0-essentials_build-www.gyan.dev Copyright (c) 2007-2023 the
FFmpeg developers
built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
...
Input #0, mpegts, from 'inputfile.ts':
Duration: 01:35:06.88, start: 54851.766678, bitrate: 3407 kb/s
Program 6915
Stream #0:0[0x267]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
yuv420p(tv, top first), 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn
Side data:
cpb: bitrate max/min/avg: 15000000/0/0 buffer size: 1835008 vbv_delay: N/A
Stream #0:1[0x27b](fra): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
stereo, fltp, 192 kb/s
Stream #0:2[0x3a9](deu): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
```
I can imagine that this problem could be solved with ffmpeg, but don't know how
and I didn't found anything that would help me.
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