[FFmpeg-devel] [PATCH v4 3/3] avformat/mxfenc: prefer to use the configured metadta

lance.lmwang at gmail.com lance.lmwang at gmail.com
Thu Jan 28 03:21:20 EET 2021


On Wed, Jan 27, 2021 at 08:42:40AM +0100, Tobias Rapp wrote:
> On 26.01.2021 16:39, Tomas Härdin wrote:
> > tis 2021-01-26 klockan 00:34 +0100 skrev Marton Balint:
> > > Maybe they should post patches instead of having workarounds? And I
> > > explained, libavformat MXF muxer will still be identifiable, but the
> > > proper field will be used for identifying the SDK used, not
> > > Company/Product but Toolkit/Platform.
> > 
> > I'll just add that I've read the updated version of S377m from 2007 and
> > this sounds like the best solution. In short something like this:
> > 
> > CompanyName: FFmpeg
> > Product: OP1a Muxer
> > Platform: libavformat x.y.z (Debian GNU/Linux 10 (buster))
> > 
> > If we delete the metadata in ffmpeg_opt.c like the original patch does
> > here, and have Platform be the only hardcoded string, then hopefully
> > everyone should be relatively happy. So CompanyName and Product can be
> > changed from the command line/API but Platform cannot.
> 
> Sounds reasonable to me.

I haven't found the s337m freely, so I'm not sure about the Platforma metadata.
I think we haven't support the field yet, I guess it's 0x3C08 tag, but I haven't
the document in hand so it's not OK to add it by me.

> 
> Regards,
> Tobias
> 
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-- 
Thanks,
Limin Wang


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