#10631: Not requested subtitle / data stream automatically added to MP4 file
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Reporter: Ulf Zibis | Owner: (none)
Type: defect | Status: new
Priority: normal | Component: avformat
Version: 6.0 | Resolution:
Keywords: subtitles | Blocked By:
data stream |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by inof):
That data stream (`#0:2`) is used to store the actual chapter data. So
it's normal.
Note that chapter data in MP4 containers is non-standard and not supported
by all players. I think VLC and MPV support it, but many others don't.
If you need chapter data, I recommend you use the MKV container format.
It supports chapters natively.
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Ticket URL: <https://trac.ffmpeg.org/ticket/10631#comment:3>
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