On 6/5/2014 11:48 AM, Frank Mehnert wrote:
> not sure if we are talking about the same problem but the time stamp 
> of video-recordings start when video capturing starts. That is, if you 
> start your VM, then do something and 2 hours later you decide to start 
> capturing then the video time stamp will start at 2 hours. If you 
> pause the video capture and continue it later then the time stamps 
> will jump. The time stamp of the video is always synchron with the VM 
> runtime. I don't consider this a bug but as a feature. If you think 
> this does not fit your needs and the time stamp should always start at 
> 0 and should only advance if recording is active (i.e. don't jump if 
> capturing is paused) then this can be certainly implemented. Kind 
> regards, Frank 

Thanks for the rapid reply!  I guess I wasn't clear in the original 
message...  I started a VM (Windows 7 guest) and once it was up started 
the recording.  I recorded for about an hour and a half. The resulting 
WebM stream had a start time stamp of just shy of three hours and an 
apparent length of just over 4 hours (according to VLC).  I don't 
believe the VM was running for 2+ hours before I started recording, but 
it's possible.  Having a non-zero start time is confusing because it's 
harder to line up audio tracks and also players like VLC think the video 
is much longer than it is so the slide bar doesn't work like you'd think 
it would (e.g. if you slide the bar to advance to what appears to be the 
middle of the video you've actually gone way past the end).

That said it would be MUCH better if the video timestamp were to start 
at 0 (without having to recode the video :-).  Is there a setting 
somewhere that can force VirtualBox recordings to start at 0?  I looked 
but didn't find anything on the InterWebs about it.

Thanks!

Mike




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