[PD] "Invalid public movie atom", was Re: Saving Gem output as video file on MacOSX ?
Roman Haefeli
reduzierer at yahoo.de
Thu Feb 14 17:17:40 CET 2008
without having any expertise in this field, i suggest to edit your mov
files with an hexeditor and change the value in the header of the
mov-file accordingly, so that it can be read by Quicktime.
the option of having to completely reinstall the operating system
because of some wrongly set bit in a few files seems really crazy :-(
roman
On Thu, 2008-02-14 at 08:09 -0800, Dudley Brooks wrote:
> Dudley Brooks wrote:
>
> > Olivier Heinry wrote:
> >
> >> The last time I tried to pix_record on OSX (on a Dual G5 running
> >> Panther, 2Go RAM) , I switched to Gem2pdp + pdp_rec because the Mac
> >> couldnt handle it in realtime for a 640x480 window and PDP made it
> >> (might be related to PDP multithread capability).
> >
> > I'm sorry, what is pdp_rec? It won't create, and I don't find it
> > listed. The only thing I find that seems to be able to write to a file
> > is pdp_rawout.
>
> I found it as soon as I added the missing tilde at the end: pdp_rec~.
>
> So I now have pdp_rec~. But when I try to play the output file in
> QuickTime, I get the error message "The movie could not be opened. An
> invalid public movie atom was found in the movie." The same thing
> happens if I try to import into Final Cut or iMovie.
>
> Google reveals that it's because when QT 7.3 came out, they changed the
> value of a "null byte" from 0 to -1 -- thereby invalidating many .mov
> files and infuriating many people. The only suggested solution I've
> found mentioned is reverting to QT 7.2 (someone recommends 7.1.6), which
> apparently involves wiping the HD and re-installing the OS -- *if* you
> can find QT 7.2 or 7.1.6.
>
> I searched for the error message on the pd-list archive and didn't find
> anything. Does anyone have experience with this and know a solution?
> Olivier, when you use gem2pdp and pdp_rec~ as mentioned in your post,
> what do you do with the resulting file?
>
> Thanks.
>
> -- Dudley
>
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