[Bug 14717] resampled sound is horrible

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14717

--- Comment #246 from Raymond <superquad.vortex2 at gmail.com> 2011-12-13 00:29:59 CST ---
(In reply to comment #245)
> 
> So I don't understand why in comment #243, Alexander asks for permission to use
> FP.  That is obviously the right choice.  The output of anything that is going
> to be mixed should be FP, then mixed (if HW has not enough channels) then
> converted to 16bit (if HW doesn't grok FP, Intel audio looks like it does).
> 

http://git.kernel.org/?p=linux/kernel/git/tiwai/hda-emu.git;a=tree;f=codecs;hb=HEAD

Only those macbook with cs4206 codecs support float

  formats [0x3]: PCM FLOAT
  formats [0x7]: PCM FLOAT AC3

Most x86_64( linux machines) 's hda codec does not support float

even 32bits is not common , only 16 bits is available on all HDA codecs

bits [0x2]: 16
bits [0xa]: 16 24
bits [0xf]: 8 16 20 24
bits [0xe]: 16 20 24
bits [0x1e]: 16 20 24 32

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