[FFmpeg-devel] Fix DNxHD interlaced parsing
michaelni at gmx.at
Thu Feb 16 03:24:01 CET 2012
On Wed, Feb 15, 2012 at 03:02:08PM -0800, Aaron Miller wrote:
> On Wed, Feb 15, 2012 at 2:29 PM, Michael Niedermayer <michaelni at gmx.at>wrote:
> > On Wed, Feb 15, 2012 at 10:55:18AM -0800, Aaron Miller wrote:
> > > Michael,
> > >
> > > Yes, I am uploading it to incoming/ as dnxhd_145_interlaced2.mxf (Please
> > > delete the dnxhd_145_interlaced.mxf -- it was an incomplete upload). If
> > > you remove 393216 bytes from the beginning, then with my fix, it is
> > decoded
> > > without errors.
> > why is it neccesary to remove 393216 bytes from the beginning ?
> There is MXF data in the first 393216 bytes, which causes error messages.
> Also, I was unable to transcode any DNxHD without specifying "-f dnxhd" --
> this was true before as well as after I made these modifications to
> So it's not strictly necessary to remove these bytes, but running ffmpeg
> with -f dnxhd _is_ necessary.
also i assume theres a issues with the mxf demuxer if
"-f dnxhd _is_ necessary"
thus iam cc-ing our mxf experts
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
DNS cache poisoning attacks, popular search engine, Google internet authority
dont be evil, please
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