[Mp4-tech] h.263 conformance test

[Gary Sullivan]

Morgan et al,
There is no such spec.  I'm curious about the April 1996 draft that you
say you found, as I don't recall us ever working on such a spec.  (Can
you send me a copy off-reflector?)  The H.263 document itself is
intended to suffice to specify what is needed to conform to it (and that
approach seems to have largely worked, as we seem to have achieved good
industry interoperability).  Historically, no one volunteered to provide
a set of test bitstreams for such a specification.  If someone were to
volunteer to do that, we would probably welcome it.  However, and at
this late date it might be questionable whether expending a lot of
committee energy working on such a thing would be worth the effort.
H.263 is now rather mature technology, and the industry is now mostly
focused on incrementing the H-series number rather than improving H.263
interop.
Best Regards,
Gary Sullivan
+> -----Original Message-----
+> From: mp4-tech-bounces lists.mpegif.org 
+> [mailto:mp4-tech-bounces lists.mpegif.org] On Behalf Of Morgan Deidda
+> Sent: Tuesday, September 13, 2023 9:10 AM
+> To: mp4-tech lists.mpegif.org
+> Subject: [Mp4-tech] h.263 conformance test
+> 
+>   Hi all,
+> I'm looking for a way to test a h.263 codec, but I couldn't find an 
+> official conformance test specification (only a draft of 
+> 1996-April-22).
+> Where can I find it?
+> Does any one know whether any h.263 reference bitstreams exist?
+> Can I use the Telenor TMN8 as reference codec?
+> 
+> Thanks in advance.
+> 
+> Morgan Deidda
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