[x264-devel] constrained intra prediction

Jason Garrett-Glaser darkshikari at gmail.com
Sat Jan 17 00:28:58 CET 2009

2009/1/16 Purvin Pandit <purvinp at hotmail.com>:
> Hi
> Is constrained intra prediction supported in x264? I quick search for the
> text in version (x264-snapshot-20080824-2245) shows that it is set to '0' in
> the PPS but I wasnt sure it this is ever used.
> Additionally I changed the code to set it to '0' and '1' and encoded a
> sequence. The resulting reconstructed YUV file has the same md5sum which
> seems to indicate that contrained intra prediction is not supported.
> Can someone confirm this? Also if this is not supported then is there a plan
> to add support?

No, it is not supported.  You are welcome to try to convince us that
there is a useful reason to support it.

Dark Shikari

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