When doing streaming for realtime interaction you don't use B-frames. You typically just have P-frames and slices of I-frames. Max one frame of latency and pret

When doing streaming for realtime interaction you don't use B-frames. You typically just have P-frames and slices of I-frames. Max one frame of latency and pretty consistent data rates. And just about every phone, tablet, laptop, desktop made in the past decade has some form of H.264 fixed-function hardware decoding.