[Libav-user] SMPTE 336m

[Ran Shalit]

On 10 בSep 2014 17:54, "Markus Pfundstein" <markuspfundstein86 at gmail.com>
wrote:
>
> Maybe you could while you are at it :-)

If I get to something good... By the way, I saw that BBC group suggested
ffmpeg to integrate BBCs libMXF and libKLV instead of nstive ffmpeg MXF.
Sadly, it did not happen...
>
> On 10 Sep 2014, at 16:52, Ran Shalit <ranshalit at gmail.com> wrote:
>
> > On Wed, Sep 10, 2014 at 4:15 PM, Peter Ross <pross at xvid.org> wrote:
> >> On Wed, Sep 10, 2014 at 03:11:25PM +0300, Ran Shalit wrote:
> >>> On Wed, Sep 10, 2014 at 2:44 PM, Peter Ross <pross at xvid.org> wrote:
> >>>> On Tue, Sep 09, 2014 at 04:23:24PM +0300, Ran Shalit wrote:
> >>>>>>> Are these internal KLV packets sent only
> >>>>>>> once at the start of transcoding or can be sent during transcoding
> >>>>>>> more than once ?
> >>>>>
> >>>>>> In MXF each *video frame* is stored within an individual KLV
packet.
> >>>>>> So yes, 'more than once'!
> >>>>>
> >>>>> Is it possible to retrieve or view the KLV metadata in ffplay ?
i.e. I
> >>>>> want to do some validation check on KLV with XMF, is that possible ?
> >>>>
> >>>> Nothing like that is implemented in ffplay.
> >>>>
> >>>> -- Peter
> >>>> (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
> >>>
> >>> Hi Peter,
> >>>
> >>> Is there any way I can validate that the packets include KLV metadata
?
> >>
> >> Nothing like that is implemented in FFmpeg.
> >>
> >> You need find a proper MXF validation tool. I can't recommend any, but
searching
> >> the web for 'MXF validator' or 'MXF analyser' returns a lot of hits.
> >>
> >>> Or is the only way to do it is by debugging/printing of ffmpeg MXF mux
> >>> with KLV ,and demux on MXF video with supposed KLV info.
> >>
> >> That approach might work. Good luck.
> >>
> >> -- Peter
> >> (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
> >
> > Ok, Thanks, I'll go on from this point.
> > I hope ffmpeg developers will add KLV capabilities to ffmpeg in the
future.
> >
> > Thanks a lot. Ran
> > _______________________________________________
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>
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