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

[wm4]

On Fri, 27 Jan 2017 10:19:32 +0100
Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:

> 2017-01-27 10:09 GMT+01:00 wm4 <nfxjfg at googlemail.com>:
> > On Fri, 27 Jan 2017 09:39:03 +0100
> > Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> >  
> >> 2017-01-27 9:17 GMT+01:00 wm4 <nfxjfg at googlemail.com>:
> >>  
> >> > You're completely misunderstanding.  
> >>
> >> Would you mind to elaborate?  
> >
> > FFmpeg shouldn't mux codec-specific tags into a different
> > container.  
> 
> This is not codec-specific, at least not in the sense that
> would make a difference for other containers.
> 
> > Your ffmpeg.c patch works for transcoding only, not remuxing.  
> 
> That's because it makes sense to remux "vendor" metadata.

No, technical metadata that is "hidden" is different from user-visible
tags that contain non-technical information about the media. Don't mix
them. FFmpeg does, and this is bad.