[FFmpeg-user] Save segmented and fragmented h264 to disk

Roger Pack rogerdpack2 at gmail.com
Thu Oct 9 13:49:22 CEST 2014

(FWIW I kill ffmpeg's nicely by sending them a 'q')
mpeg output format might satisfy better here?

On Wed, Oct 8, 2014 at 8:21 AM, Mark Umansky <umansky at torcrobotics.com>

> Killing it nicely is not an option. I was under the impression that
> creating a fragmented mp4 would change the location of the moov atom so the
> file is still playable, which I verified to be true in my original post
> with the command:
> ffmpeg -f dshow -i video="UScreenCapture" -vcodec libx264 -r 25 -q 5
> -preset ultrafast -movflags frag_keyframe  C:\Users\user\Desktop\video.mp4
> -y
> Files created with that command can be killed not-nicely and are still
> playable. What I am after is creating this same fragmented file but with
> segmented file creation enabled so I don't get one huge video file if it
> runs for hours.
> Thanks,
> Mark
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