Re: using integer audio data
Re: using integer audio data
- Subject: Re: using integer audio data
- From: Jeff Moore <email@hidden>
- Date: Tue, 21 Aug 2001 14:56:59 -0700
on 8/21/01 12:46 PM, Timothy J. Wood <email@hidden> wrote:
>
I'd like to use CoreAudio to feed 16-bit signed lpcm data to the
>
hardware.
You can't using the HAL API. It only allows for 32 bit float data when doing
IO with linear PCM sample formats. You don't have any choice but to convert.
>
Int/float conversions suck on PPC
I don't know about that. They suck about as much as they do on any
processor. Of course with Altivec, you can do it 4 samples at a time with a
single instruction and that definitely does not suck.
--
Jeff Moore
Core Audio
Apple