https://bugs.kde.org/show_bug.cgi?id=509101

--- Comment #27 from Jean-Baptiste Mardelle <[email protected]> ---
Ok, so some feedback. The file has some encoding issues.
> ffmpeg -i file.ts 
gives this error:
[h264 @ 0x7f88b826fcc0] non-existing PPS 0 referenced

Remuxing the file using this command fixes the problem:
>ffmpeg -i input.ts -map 0:v -map 0:a -c copy output.mkv

Sure, the file is playable in various video players, but the encoding issue
means it does not properly seek, which explains why cutting it breaks. The only
thing we could do is to detect the decoding errors when adding such video to
the project, and warn user that the file needs remuxing.

I have a proof of concept MR for MLT here:
https://github.com/mltframework/mlt/compare/master...j-b-m:mlt:work/decode-error

But not sure it will be accepted.

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