CCG 2.4.0 ffmpeg warning latency what does it mean?

I’m testing the new CCG version 2.4.0, and now, when I play files, I receive a warning message about FFmpeg latency. I don’t think it’s an issue, but I’m curious about what it means. What counts as normal latency, and what doesn’t?

[info]    Received message from 127.0.0.1: PLAY 1-11 "folder/video001" MIX 12 Linear RIGHT\r\n
[info]    Sent message to 127.0.0.1:202 PLAY OK\r\n
[warning] ffmpeg[folder/video001|0.0000/15.0400] Latency: 6