[FFmpeg-devel] [PATCH V1 1/2] doc/bsfs: h264_metadata: Update docs about display orientation SEI

[mypopy at gmail.com]

On Sat, Jan 18, 2020 at 10:29 AM Andreas Rheinhardt
<andreas.rheinhardt at gmail.com> wrote:
>
> On Sat, Jan 18, 2020 at 3:11 AM Jun Zhao <mypopydev at gmail.com> wrote:
>
> > From: Jun Zhao <barryjzhao at tencent.com>
> >
> > Add docs about display orientation SEI.
> >
> > Signed-off-by: Jun Zhao <barryjzhao at tencent.com>
> > ---
> >  doc/bitstream_filters.texi |   21 +++++++++++++++++++++
> >  1 files changed, 21 insertions(+), 0 deletions(-)
> >
> > diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi
> > index 8fe5b3a..ff5d027 100644
> > --- a/doc/bitstream_filters.texi
> > +++ b/doc/bitstream_filters.texi
> > @@ -276,6 +276,27 @@ insert the string ``hello'' associated with the given
> > UUID.
> >  @item delete_filler
> >  Deletes both filler NAL units and filler SEI messages.
> >
> > + at item display_orientation
> > +Pass, insert, remove or extract display orientation SEI.  Default is pass.
> > +
> > + at table @samp
> > + at item pass
> > + at item insert
> > + at item remove
> > + at item extract
> > + at end table
> > +
> > + at item rotate
> > +Set rotation in display orientation SEI (anticlockwise angle in degrees)
> > (from -360 to 360)
> > +
> > + at item flip
> > +Set flip in display orientation SEI
> > +
> > + at table @samp
> > + at item horizontal
> > + at item vertical
> > + at end table
> > +
> >  @item level
> >  Set the level in the SPS.  Refer to H.264 section A.3 and tables A-1
> >  to A-5.
> > --
> > 1.7.1
>
>
> If I am not mistaken, then the handling of display orientation SEI is buggy
> (see [1]). It should be fixed before documenting it.
>
> - Andreas
>
> [1]:
> https://lists.ffmpeg.org/pipermail/ffmpeg-devel-irc/2019-June/005804.html
Will hold on the patch until the issue fix, thanks