Any further details you or others could provide to help the x265 dev team 
resolve the issue would be appreciated.

Can you share your steps to reproduce this issue? What parameters were changed? 
Max CTU size?

Is this documentation inadequate? 
https://x265.readthedocs.io/en/master/api.html#build-considerations

On 11/11/24, 10:46 PM, "ffmpeg-devel on behalf of Damiano Galassi" 
<[email protected] <mailto:[email protected]> on 
behalf of [email protected] <mailto:[email protected]>> wrote:


On Tue, Nov 12, 2024 at 3:38 AM Zhao Zhili <[email protected] 
<mailto:[email protected]>> wrote:


>
> cleanup() release library static allocations, and I don’t see lock or
> reference count
> within x265_cleanup(). So call cleanup() will break other x265 encoder
> instance,
> right?




x265 already crashes when trying to run two encodes with different settings
in
the same process, because it's storing some instance specific data in
global variables
that are overwritten when starting a new encode.


So at least with this patch it won't leaks the global data,
but the root issue needs to be fixed in x265.
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