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

[wm4]

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?

> 
> 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.