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

[Carl Eugen Hoyos]

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?

Carl Eugen