Re: [V4L] Re: v4l2 + select() + read()

[Alan Cox]

> If/when Linux gets async IO that will be true, but until then there's no
> way to queue multiple reads, so mmap() is needed for that reason, as
> well as for backwards compatability (although I guess we *could* break
> compatability in 2.5).

Why do you need to queue multiple reads (and a threaded app can do it btw in
fact glibc 2.2 has full aio using threads) - you have a whole frame to get 
around to the next one plus any internal buffering



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