[FFmpeg-devel] [PATCH] jpeg2000: split off inverse MCT decoding as Jpeg2000DSP

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Oct 1 22:35:43 CEST 2014

James Almer <jamrial <at> gmail.com> writes:

> On 01/10/14 5:22 PM, Carl Eugen Hoyos wrote:
> > James Almer <jamrial <at> gmail.com> writes:
> > 
> >> This makes the addition of arch optimized 
> >> functions easier.
> > 
> > Do you think that the functions in question are 
> > bitexact wrt the specification?

> The 53 is afaik. The 97 float isn't, which is why 
> there's a 97 int version.
> How is this relevant anyway?

I thought that it is not a good idea to write simd 
optimizations for C functions that are known to be 
incorrect because tests are difficult.

Thank you, Carl Eugen

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