[FFmpeg-devel] Fix DNxHD interlaced parsing

[Aaron Miller]

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
dnxhd_parser.c.

So it's not strictly necessary to remove these bytes, but running ffmpeg
with -f dnxhd _is_ necessary.

--Aaron

[...]
> --
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
> When you are offended at any man's fault, turn to yourself and study your
> own failings. Then you will forget your anger. -- Epictetus
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
>