[FFmpeg-devel] [PATCH] libavformat/mxfdec.c: export the full UMID as metadata

[Mark Reid]

On Tue, Jan 6, 2015 at 12:03 AM, tim nicholson <
nichot20-at-yahoo.com at ffmpeg.org> wrote:

> On 05/01/15 20:41, Mark Reid wrote:
> > Hi,
> > This patch exports the full umid of packages as metadata. ffmpeg
> currently
> > only exports the material number portion of the umid.
> >
> > The new format is
> >    <ISO label>-<length>-<instance number>-<material number>
> > example:
> >    060a2b340101010101010f00-13-000000-53dc416b9a770251060e2b347f7f2a80
> >
>
> I think this is a good idea, but if we are going to make the change can
> we make the exported format be SMPTE330 compliant? Annex C (normative)
> states:-
>
> "By default, the hexadecimal representation should be preceded by the
> identifier ‘0x’. This default method of identification will result in 66
> hexadecimal characters to represent a basic UMID as follows:
> 0x060A2B340101010501010D13 ... etc.
> The hexadecimal letters should be encoded as upper case (A...F)."
>
>
sounds like the right thing to do to me.

so if I understand correctly
060a2b340101010101010f00-13-000000-53dc416b9a770251060e2b347f7f2a80

should be just
0x060A2B340101010101010F001300000053DC416B9A770251060E2B347F7F2A80

easy enough, I'll submit a new patch doing that instead.