[FFmpeg-devel] [PATCH] libavformat/mxfdec.c: export the full UMID as metadata
nichot20 at yahoo.com
Thu Jan 8 09:02:16 CET 2015
On 06/01/15 19:01, Mark Reid wrote:
> 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:
>>> This patch exports the full umid of packages as metadata. ffmpeg
>>> only exports the material number portion of the umid.
>>> The new format is
>>> <ISO label>-<length>-<instance number>-<material number>
>> 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)
>> "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
> should be just
> easy enough, I'll submit a new patch doing that instead.
That's right. drop the '-' add the 0x prefix and upper case it.
Saves a byte :)
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