https://bugs.winehq.org/show_bug.cgi?id=50733
--- Comment #21 from castaneai castaneai@castaneai.net --- I looked into this issue further. I got the current latest git master (23ffd0a7986421958c23cffce138afa389209920) and output the report of perform_qos.
The attached log shows that jitter is over 400ms regularly.
https://bugs.winehq.org/attachment.cgi?id=69625
The problem appears to be caused by the DirectShow's clock.