Comment 3 for bug 503112

Yes that could well be it regarding the I frames.

2010/1/5 cenwen <email address hidden>

> Today, i have reproduced it on a MPG file with the same steps.
> I have cutted it in three parts. When i preview the file, i'm reading the
> first part but at the second and after the third i have a white ouput, each
> time that i want to see it.
> I'm testing on the bzr version 181, Karmic 64 bit, MLT 0.44 (official
> version) AMD 4850 graphic card with Compiz actived.
> NB just bevore cut the file in three parts , i have none problem when i was
> previewing.
> It's perhaps because we have done a cut not a key frame (just a throught) .
> You know the images I (B and J are not essentials about the informations
> that they contain, if i well remember on a Gopfile (mpeg,mpg)). In fact,
> our cut is not precised and it missed some informations in the file and it's
> why we can't read it.
>
> --
> White video output on some mpeg files
> https://bugs.launchpad.net/bugs/503112
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