gnattu 3f539472f3
Fix image encoding concurrency limit (#13532)
* Fix image encoding concurrency limit

The current FFmpeg image extractor is configured to use a resource pool size that always equals 2 times the number of CPU cores, which is somewhat excessive. Make the default equal to the core count instead of twice, and respect the `ParallelImageEncodingLimit` option.

* Fix code stype

* Check null value for unit tests
2025-02-12 18:45:36 -07:00
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