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

Carl Eugen Hoyos ceffmpeg at gmail.com
Thu Jan 26 19:06:39 EET 2017


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.

Carl Eugen


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