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ffmpeg.wasm-core
Commit 7eece069 authored by Clément Bœsch's avatar Clément Bœsch
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avfilter/xbr: clarify default "interpolated" pixels assignments

parent bca3c2cf
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Showing with 7 additions and 6 deletions
libavfilter/vf_xbr.c
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......@@ -283,15 +283,16 @@ static av_always_inline void xbr_filter(const ThreadData *td, int jobnr, int nb_
const uint32_t I4 = sa3[pnext2];
if (n == 2) {
E[0] = E[1] = E[nl] = E[nl + 1] = PE; // 0, 1, 2, 3
E[0] = E[1] = // 0, 1
E[nl] = E[nl + 1] = PE; // 2, 3
FILT2(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, 0, 1, nl, nl+1);
FILT2(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, nl, 0, nl+1, 1);
FILT2(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, nl+1, nl, 1, 0);
FILT2(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, 1, nl+1, 0, nl);
} else if (n == 3) {
E[0] = E[1] = E[2] = PE;
E[nl] = E[nl+1] = E[nl+2] = PE; // 3, 4, 5
E[0] = E[1] = E[2] = // 0, 1, 2
E[nl] = E[nl+1] = E[nl+2] = // 3, 4, 5
E[nl1] = E[nl1+1] = E[nl1+2] = PE; // 6, 7, 8
FILT3(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, 0, 1, 2, nl, nl+1, nl+2, nl1, nl1+1, nl1+2);
......@@ -299,9 +300,9 @@ static av_always_inline void xbr_filter(const ThreadData *td, int jobnr, int nb_
FILT3(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, nl1+2, nl1+1, nl1, nl+2, nl+1, nl, 2, 1, 0);
FILT3(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, 2, nl+2, nl1+2, 1, nl+1, nl1+1, 0, nl, nl1);
} else if (n == 4) {
E[0] = E[1] = E[2] = E[3] = PE;
E[nl] = E[nl+1] = E[nl+2] = E[nl+3] = PE; // 4, 5, 6, 7
E[nl1] = E[nl1+1] = E[nl1+2] = E[nl1+3] = PE; // 8, 9, 10, 11
E[0] = E[1] = E[2] = E[3] = // 0, 1, 2, 3
E[nl] = E[nl+1] = E[nl+2] = E[nl+3] = // 4, 5, 6, 7
E[nl1] = E[nl1+1] = E[nl1+2] = E[nl1+3] = // 8, 9, 10, 11
E[nl2] = E[nl2+1] = E[nl2+2] = E[nl2+3] = PE; // 12, 13, 14, 15
FILT4(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, nl2+3, nl2+2, nl1+3, 3, nl+3, nl1+2, nl2+1, nl2, nl1+1, nl+2, 2, 1, nl+1, nl1, nl, 0);
......
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