[Libav-user] SMPTE 336m

[Peter Ross]

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)
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