[FFmpeg-devel] [PATCH]Do not ask for mxf samples with unknown field dominance
tomas.hardin at codemill.se
Wed Sep 24 21:46:57 CEST 2014
On Tue, 2014-09-16 at 09:03 +0100, tim nicholson wrote:
> On 10/09/14 21:45, Tomas Härdin wrote:
> > On Tue, 2014-08-19 at 22:30 +0200, Michael Niedermayer wrote:
> >> On Tue, Aug 19, 2014 at 01:30:24AM +0200, Carl Eugen Hoyos wrote:
> >>> Hi!
> >>> Attached patch removes a request for samples of which we already
> >>> have several that all work fine.
> >> field_dominance can have 256 different values, do we have samples
> >> for all ? do they even exist ?
> Whilst the variable may be able to contain 256 different values in
> reality there are only two possible states f1 first or f2 first.
> > As far as I recall there are only two (1, 2) and possibly "unknown" (0).
> Is there a distinction between "unknown" and "progressive"? I don't have
> the numbers to hand.
Unknown means unknown. If it's an optional field it probably means the
muxer that made the file is crap, which is not uncommon.
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