[FFmpeg-devel] [PATCH 1/3] avformat/mxfdec: Detect field_order based on video_line_map

Michael Niedermayer michael at niedermayer.cc
Fri Oct 21 03:00:21 EEST 2016

On Wed, Oct 19, 2016 at 02:35:20PM +0200, Tobias Rapp wrote:
> Read video_line_map from MXF generic picture essence descriptor and use
> it to derive the coded field order. Use field_dominance to derive the
> display field order from coded field order. If field_dominance is not
> available the default value "1" is used as defined in SMPTE S377-1.
> Fixes field_order detection for a bunch of DV/DVCPRO files. The heuristic
> for deriving coded field order from video_line_map is inspired by
> MediaInfo.
> Signed-off-by: Tobias Rapp <t.rapp at noa-archive.com>
> ---
>  libavformat/mxfdec.c | 75 +++++++++++++++++++++++++++++++++++++++++-----------
>  1 file changed, 60 insertions(+), 15 deletions(-)



Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein
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