[FFmpeg-devel] [RFC] special "broken DV" demuxer

Roman V Shaposhnik rvs
Tue Mar 10 00:40:13 CET 2009


On Sun, 2009-03-08 at 18:28 +0100, Reimar D?ffinger wrote:
> Hello,
> in our samples there is one horribly broken DV file:
> http://samples.mplayerhq.hu/V-codecs/DVSD/pond.dv
> As far as I can tell (with my limited understanding of the DV format)
> this is basically some DV headers "randomly" placed and then
> the data essential to decoding DV written over it.

Huh? pond.dv used to be a perfectly good DV sample. 

> Since it seems all DV decoders and demuxers including ours have no
> error checking whatsoever it still plays "fine".
> Unfortunately, the recently added autodetection, that also allows to
> play badly cut DV files, can not handle it.

Right. So the problem would be a regression, as far as I can tell.
Thus the question: can the autodetection code be fixed?

Thanks,
Roman.





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