[FFmpeg-devel] [PATCH]Write fiel atom independent of other Video Sample Description Extensions

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Feb 6 18:14:13 CET 2013


Tim Nicholson <nichot20 <at> yahoo.com> writes:

> > Regarding the AVID-based codecs: We currently write the pasp atom for 
> > them which is wrong I guess, does the additional atom break playback?
> 
> Some of the dnx formats (DnxHD 100 for example) support the "thin
> raster" 1440x1080/960x720 in which case the pasp atom is mandated by the
> qt spec, so writing it for all DNX cases is probably not a problem.
> 
> As to the 'fiel' atom. I don't know if it will break anything without
> testing it in a variety of use cases with different hardware/software,
> which will take some time to do thoroughly.

Do you have an installation to allow decoding a FFmpeg-created 
dnxhd file with the AVID decoder?

I unfortunately cannot test...

Carl Eugen



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