Query about Float Point Operation

Jamie Lokier jamie at shareable.org
Sun Mar 28 17:47:09 EDT 2010


胡杨树 wrote:
> WOW
> My audio codec drivers use float point operation heavily!
> Does that mean that I can ONLY implement it on USER space ?

It's not impossible, but it's quite complicated, not supported
(no need), and architecture-dependent.

Anyway, codecs should be done in userspace.  That's how Linux does
software codecs.  Only audio output, or passing raw data to an audio
DSP, needs to happen in kernel space.

-- Jamie



More information about the linux-arm-kernel mailing list