[Libav-user] How to build video files that are valid if machine loses power before writing trailer

Denis Ivanov denisx.ivanov at gmail.com
Tue Aug 23 23:16:29 EEST 2022

Yes, use fragmented MP4. That way you will eventually lose small part of
the video at the end.

On Tue, Aug 23, 2022, 23:11 Ben Harper <rogojin at gmail.com> wrote:

> Hi!
> I'm building an open source home video monitoring system, and naturally
> this needs to be able to make long recordings from the cameras, and store
> them as video files. Right now I'm only supporting h264, and writing into
> an MP4 file. This works perfectly, aside from the fact that if the
> monitoring system loses power during recording, such that I haven't called
> av_write_trailer yet, then the video file is unplayable.
> Is there a way to stream to a video file such that most of it will be
> playable, even if the system loses power?
> Thanks,
> Ben
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