[Libav-user] Interesting HEVC encoding bug with different presets
mtaha.ansari at gmail.com
Wed Jun 4 12:38:26 CEST 2014
Another observation - error I originally got was:
x265 [error]: maxCUSize must be the same for all encoders in a single
So, I looked at log x265 generated for different presets, and I found out
that following presets: ultrafast, superfast, and veryfast, show:
x265 [info]: CU size : 32
whereas, following presets: faster, fast, medium, slow, slower, veryslow,
and placebo show:
x265 [info]: CU size : 64
Now coming back to the original error x265 shows:
"x265 [error]: maxCUSize must be the same for all encoders in a single
This probably solves the problem (temporarily). Presets mentioned above
have their own CU size, hence not all of them are interchangeable.
I can see this feature is currently not available fully with libx265 -
maybe it will be added later on.
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