You may want to look into the "Media OS", aka BeOS and it's derivative Haiku. The Media Kit API is a monster, but it was specifically designed to allow fast tr

You may want to look into the "Media OS", aka BeOS and it's derivative Haiku. The Media Kit API is a monster, but it was specifically designed to allow fast transfer of buffers between nodes using kernel API's in order to achieve the best possible performance time guarantees. On 90's hardware their latency was/is lower than latency on all desktop oriented computer systems today on 20+ year newer hardware. Disclaimer - i'm working on a Haiku native media editor (video and audio) and the latency is excellent.