Re: [mpg123-devel] fixed point decoders

[Taihei M. <tm...@ma...>]

On 2009/06/03, at 0:31, Thomas Orgis wrote:

> You hacked rounding into MAD? Or, did you not disable dithering?
> For speed comparisons I used -i -d for madplay to disable CRC  
> checking and dithering.
> But I can confirm

Oh dithering... yeah, that's the answer. I've rebuilt the graph  
without dithering and crc checking. Actually the graph on the right  
side was created using the 24-bit output of madplay and SoX (used for  
rounding).

> ARM is the platform that needs fixed point... for testing, I should  
> be able to get mpg123 on my eBook (though that one actually has a  
> decoder chip for MPEG audio...). Actually, one should be able to set  
> up a VM for ARM with debian on it...

VM sounds reasonable for me... Probably qemu? I'll set it up.

Thanks,
Taihei Monma