On Sat, Aug 03, 2019 at 04:07:22PM +0200, Tomas Härdin wrote: > lör 2019-08-03 klockan 01:49 +0200 skrev Michael Niedermayer: > > - uint32_t x, y, src_x, src_y; > > + uint32_t x, y, src_y; > > + int width = hnm->width; > > > > for (y = 0; y < hnm->height; y++) { > > + uint8_t *dst = hnm->processed + y * width; > > + const uint8_t *src = hnm->current; > > src_y = y - (y % 2); > > - src_x = src_y * hnm->width + (y % 2); > > - for (x = 0; x < hnm->width; x++) { > > - hnm->processed[(y * hnm->width) + x] = hnm- > > >current[src_x]; > > - src_x += 2; > > + src += src_y * width + (y % 2); > > + for (x = 0; x < width; x++) { > > + dst[x] = *src; > > + src += 2; > > Looks OK. Maybe telling the compiler that src and dst don't alias would > be worthwhile?
will apply (as discussed later without restrict as it doesnt help) thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The real ebay dictionary, page 2 "100% positive feedback" - "All either got their money back or didnt complain" "Best seller ever, very honest" - "Seller refunded buyer after failed scam"
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