The point is that in a video player, you can predict the future: the video will continue playing. > Otherwise, you still have to wait for 100ms of samples to o

The point is that in a video player, you can predict the future: the video will continue playing. > Otherwise, you still have to wait for 100ms of samples to output No, you don’t, not if you can write into the buffer at an arbitrary point. This is what the whole page I linked is about.