[FFmpeg-devel] [RFC] H264 Error Resilience

Michael Niedermayer michael at niedermayer.cc
Sun Nov 12 17:41:25 EET 2017

On Sun, Nov 12, 2017 at 01:40:50PM +0100, Carl Eugen Hoyos wrote:
> 2017-11-10 22:54 GMT+01:00 Michael Niedermayer <michael at niedermayer.cc>:
> > H264 features:
> > Redundant pictures. It would be possible to encode a low bitrate image
> >     for each access unit and use it when the primary picture has lost
> >     slices. This can be limited to slices which would be concealed poorly
> >     if lost. This would increase the bitrate of the h264 stream
> >
> > Data partitioning. We support data partitioning for MPEG4(-ASP) and
> >     it provided there useful quality gains. This would seperate the
> >     high bitrate textures from low bitrate motion vectors. The later is
> >     much more important for maitaining ok looking images
> Wouldn't both need changes to the encoder / does an encoder exist
> that supports these?

These require encoder side support, yes.
I dont know if an/which  existing encoder supports this

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Into a blind darkness they enter who follow after the Ignorance,
they as if into a greater darkness enter who devote themselves
to the Knowledge alone. -- Isha Upanishad
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