[FFmpeg-devel] [PATCH]lavf/mov: Export vendor metadata

[wm4]

On Fri, 27 Jan 2017 09:05:15 +0100
Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:

> 2017-01-27 8:56 GMT+01:00 wm4 <nfxjfg at googlemail.com>:
> > On Fri, 27 Jan 2017 08:26:26 +0100
> > Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> >  
> >> 2017-01-27 7:04 GMT+01:00 wm4 <nfxjfg at googlemail.com>:  
> >> > On Thu, 26 Jan 2017 18:06:39 +0100
> >> > Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> >> >  
> >> >> 2017-01-26 9:26 GMT+01:00 wm4 <nfxjfg at googlemail.com>:  
> >> >> > On Thu, 26 Jan 2017 09:16:00 +0100
> >> >> > Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> >> >> >  
> >> >> >> 2017-01-26 9:07 GMT+01:00 wm4 <nfxjfg at googlemail.com>:
> >> >> >>  
> >> >> >> >> >> > Any metadata you export can and will get copied to a new file when
> >> >> >> >> >> > remuxing, therefor exporting arbitrary info that isn't actual stream
> >> >> >> >> >> > metadata tags in metadata is problematic - it carries over to the
> >> >> >> >> >> > destination file, in which it would be entirely meaningless.  
> >> >> >> >> >>
> >> >> >> >> >> Sorry, I don't understand:
> >> >> >> >> >> Which application do you mean?  
> >> >> >> >> >
> >> >> >> >> > ffmpeg  
> >> >> >> >>
> >> >> >> >> Didn't I ping yesterday a patch that avoids this?
> >> >> >> >> And wasn't this the mail you answered?  
> >> >> >> >
> >> >> >> > Sorry, I couldn't find it just now. What was the subject line?  
> >> >> >>
> >> >> >> My mailer (gmail) shows it as the first mail of this thread, so
> >> >> >> it (hopefully) uses the same subject.  
> >> >> >
> >> >> > Sorry, I missed that. But this code is not called for remuxing,
> >> >> > or is it?  
> >> >>
> >> >> Afair, this behaviour (copying the vendor on remuxing) is
> >> >> consistent with the Apple documentation.  
> >> >
> >> > What if you remux to mkv?  
> >>
> >> Afair, copying the vendor tag on remuxing is consistent with
> >> its documentation.  
> >
> > Well, the Apple docs don't have anything to do with mkv?  
> 
> So mkv has a specific definition of the vendor metadata?
> I did not immediately find it, could you point me to it?

You're completely misunderstanding.