[FFmpeg-devel] [PATCH] avformat/mov: Disable XMP metadata by default

[Michael Niedermayer]

On Thu, Dec 11, 2014 at 01:22:28AM +0000, Vittorio Giovara wrote:
> On Tue, Dec 9, 2014 at 10:15 PM, wm4 <nfxjfg at googlemail.com> wrote:
> > On Tue, 9 Dec 2014 21:33:41 +0100
> > Reimar Döffinger <Reimar.Doeffinger at gmx.de> wrote:
> >
> >> On Tue, Dec 09, 2014 at 12:59:24PM +0000, Vittorio Giovara wrote:
> >> > On Tue, Dec 9, 2014 at 8:04 AM, wm4 <nfxjfg at googlemail.com> wrote:
> >> > > On Tue,  9 Dec 2014 02:57:01 +0100
> >> > > Michael Niedermayer <michaelni at gmx.at> wrote:
> >> > >
> >> > > It seems very wrong to export this info optionally just because
> >> > > ffmpeg.c is too stupid to handle it correctly.
> >> >
> >> > Not exporting saves a little bit of memory too, since you have to
> >> > allocate the space where to export this metadata to too.
> >> > We're often talking about more than hundreds of megabytes.
> >
> > WTF, > 100 MBs of XML? In media files?
> 
> Yep, it's not uncommon that xmp contains the all the save states of
> the project files (eg the list of undo action), imports, outputs
> proxies and other stuff. It gets to ridiculous dimensions pretty
> quickly.
> 
> >> From that aspect it might make more sense to have a generic
> >> option to not export metadata larger than a certain size for example.
> >> Or some other system.
> >
> > Until now, the method for exporting large metadata-like blobs was
> > adding new streams. E.g. picture attachments and fonts.
> 
> That would be neat. Until then, can we have this patch committed?

applied

i hope this is what most prefer

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire
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