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[Brendan Foley <655784@xxxxxxxxxxxxxxxxxx>]

I have now re-rendered this project (took about 8 hours) on the original
laptop I did before from the original .osp project, and this time I
exported the project to a .ogg format.

This time, the first clip started earlier than it should have (what
should have been cut off), and ended likewise earlier (looks like at the
same time spot, just because of starting at an earlier position it cut
off some). No black nothingness this time fortunately, which i think
means last time when it started later the time frame was left the same,
and filled in with blackness when there was no clip.

The other odd thing? While last it added about 30 min of time to the
clip, this time it cut out 1 hour somewhere (the video still ends at the
proper ending position, so it happened somewhere in between).

This time though, when I check the original .osp timeline, that first
clip seems to have shifted so that it starts and ends in the position
the export shows. I know for sure that I did not do such adjustments,
but whatever, now it seems a change has been made to the original file.
Still though, the original file says the video should be 2 hrs 7min, not
1hr 3mins as the output video says.

These very strange export issues are troubling and make Openshot pretty
much unusable (no point in editing a video if I can't get the final
product).

-- 
Residual Cut Video segments and black space on export
https://bugs.launchpad.net/bugs/655784
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Developers, which is subscribed to OpenShot Video Editor.

Status in OpenShot Video Editor: New

Bug description:
After exporting a rather long video, I found when playing back the exported video that there remained footage I had cut off of clips in the video, and that after said clips there was about 15 seconds of blackness and no sound. In at least one of these cases, the extra footage extended to the end of the original video file, followed by blackness. These are clips in the middle of the overall video.

This does not seem to have overlapped with the video footage that should have played in other tracks, but seems to have pushed over that footage until after it was done (thus extending the length of the video and throwing off the time line). Oddly enough, clips on other tracks played at their proper times, making more issues as clips came in too early. 

In addition I found that about 20 sec. were cut off of the beginning of the whole video.

I went back to the original .osp file and found that, in OpenShot pre-exported, everything is still in place, no extra footage or blackness, everything is lined up.

I'm going to have to re-export this video, but it'll take a while, and I'd rather not have to do it yet again (its a 2 hour long video in pretty high quality). I'll try to do it from terminal just in case so I have something to show you guys if it happens again. I had exported into one of the .mp4 formats.