[FFmpeg-user] Dealing with incomplete HEVC/h265 video

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Sep 12 00:40:07 EEST 2018

2018-09-11 18:54 GMT+02:00, Aviv Hurvitz <aviv.hurvitz at gmail.com>:
> I am using a somewhat experimental evaluation board to record HEVC video. I
> converted the stream to mp4 using this command:
> ffmpeg -i input.bin -c:v copy out.mp4

Not necessarily related:
FFmpeg is unable to write correct vfr mp4 files, consider using

> I can play out.mp4, however I see the video skips at some point and plays
> at faster-than-life rate at another point.
> I think there are dropped frames, and the conversion naively makes
> everything fixed rate at 25 FPS.

> Is there a way to dump the original time stamps and/or frame indices in the
> HEVC stream, to study its integrity?

What are the "original time stamps"?

FFmpeg is known to not correctly read timestamps from raw
H.264 files, I didn't know the same issue exists for hevc.

Carl Eugen

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