Fixes in entropy compression memory management#5178

Merged

shahor02 merged 2 commits intoAliceO2Group:devfrom

shahor02:pr_ecbbuf

Jan 13, 2021

Commits on Jan 13, 2021

Provide to ANS decoder full free size, add relative margin
shahor02
committed
Modifiy initial buffer allocation, will be autoexpanded if needed
shahor02
committed