[Libav-user] What are the possible reasons for unsyncing of a video in a transmux to TS?

[Wagner Patriota]

I am transmuxing a MP4 to TS.

the original MP4 plays perfect!

After my transmux:
- the audio is perfect.
- the video is playing a little faster than the audio, finishing first...
what could be a possible reason for this?

I am doing via code, but the equivalent to this:
ffmpeg -i perfect.mp4 -vcodec copy -acodec copy -vbsf h264_mp4toannexb
-y output.ts
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