Hi,
On Mon, Jul 13, 2015 at 3:50 PM, James Darnley <james.darn...@gmail.com>
wrote:
> On 2015-07-13 01:34, Ronald S. Bultje wrote:
> > Hi,
> >
> > On Sun, Jul 12, 2015 at 5:54 PM, Paul B Mahol <one...@gmail.com> wrote:
> >
> >> On 7/12/15, Ronald S. Bultje <rsbul...@gmail.com> wrote:
> >>> +typedef struct PSNRDSPContext {
> >>> + uint64_t (*sse_line)(const uint8_t *buf, const uint8_t *ref, int
> w);
> >>
> >> Besides naming of function sse_line rest LGTM.
> >>
> >
> > That was sort of inspired by other functions in lavfi. I'm open to
> > alternative suggestions.
>
> If it was called sse after Intel's Streaming SIMD Extensions then it
> would be "bad" because it implies it must use those instructions. (Or
> some reason like that.)
>
> If it was called sse after Sum of Squared Errors then it would be "good"
> because the name is correctly reflecting what it does.
>
> Perhaps ssd is more acceptable after Sum of Squared Differences?
Libavcodec calls this thing sum-of-squared-errors already (grep -i squared
libavcodec/x86/*.asm).
Ronald
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