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ffmpeg.wasm-core
Commit fda209b7 authored by Clément Bœsch's avatar Clément Bœsch
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avfilter/xbr: simplify left/up conditions

parent a3c3ee69
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Showing with 15 additions and 15 deletions
libavfilter/vf_xbr.c
View file @ fda209b7
......@@ -159,17 +159,17 @@ static uint32_t pixel_diff(uint32_t x, uint32_t y, const uint32_t *r2y)
|| eq(PE,PG) || eq(PE,PC))) { \
const unsigned ke = df(PF,PG); \
const unsigned ki = df(PH,PC); \
const unsigned ex2 = PE != PC && PB != PC; \
const unsigned ex3 = PE != PG && PD != PG; \
const int left = ke<<1 <= ki && PE != PG && PD != PG; \
const int up = ke >= ki<<1 && PE != PC && PB != PC; \
const unsigned px = df(PE,PF) <= df(PE,PH) ? PF : PH; \
if (ke<<1 <= ki && ex3 && ke >= ki<<1 && ex2) { /* left-up */ \
if (left && up) { \
ALPHA_BLEND_224_W(E[N3], px); \
ALPHA_BLEND_64_W( E[N2], px); \
E[N1] = E[N2]; \
} else if (ke<<1 <= ki && ex3) { /* left */ \
} else if (left) { \
ALPHA_BLEND_192_W(E[N3], px); \
ALPHA_BLEND_64_W( E[N2], px); \
} else if (ke >= ki<<1 && ex2) { /* up */ \
} else if (up) { \
ALPHA_BLEND_192_W(E[N3], px); \
ALPHA_BLEND_64_W( E[N1], px); \
} else { /* diagonal */ \
......@@ -220,21 +220,21 @@ static void xbr2x(AVFrame * input, AVFrame * output, const uint32_t * r2y)
|| eq(PE,PG) || eq(PE,PC))) { \
const unsigned ke = df(PF,PG); \
const unsigned ki = df(PH,PC); \
const unsigned ex2 = PE != PC && PB != PC; \
const unsigned ex3 = PE != PG && PD != PG; \
const int left = ke<<1 <= ki && PE != PG && PD != PG; \
const int up = ke >= ki<<1 && PE != PC && PB != PC; \
const unsigned px = df(PE,PF) <= df(PE,PH) ? PF : PH; \
if (ke<<1 <= ki && ex3 && ke >= ki<<1 && ex2) { /* left-up */ \
if (left && up) { \
ALPHA_BLEND_192_W(E[N7], px); \
ALPHA_BLEND_64_W( E[N6], px); \
E[N5] = E[N7]; \
E[N2] = E[N6]; \
E[N8] = px; \
} else if (ke<<1 <= ki && ex3) { /* left */ \
} else if (left) { \
ALPHA_BLEND_192_W(E[N7], px); \
ALPHA_BLEND_64_W( E[N5], px); \
ALPHA_BLEND_64_W( E[N6], px); \
E[N8] = px; \
} else if (ke >= ki<<1 && ex2) { /* up */ \
} else if (up) { \
ALPHA_BLEND_192_W(E[N5], px); \
ALPHA_BLEND_64_W( E[N7], px); \
ALPHA_BLEND_64_W( E[N2], px); \
......@@ -292,23 +292,23 @@ static void xbr3x(AVFrame *input, AVFrame *output, const uint32_t *r2y)
|| eq(PE,PG) || eq(PE,PC))) { \
const unsigned ke = df(PF,PG); \
const unsigned ki = df(PH,PC); \
const unsigned ex2 = PE != PC && PB != PC; \
const unsigned ex3 = PE != PG && PD != PG; \
const int left = ke<<1 <= ki && PE != PG && PD != PG; \
const int up = ke >= ki<<1 && PE != PC && PB != PC; \
const unsigned px = df(PE,PF) <= df(PE,PH) ? PF : PH; \
if (ke<<1 <= ki && ex3 && ke >= ki<<1 && ex2) { /* left-up */ \
if (left && up) { \
ALPHA_BLEND_192_W(E[N13], px); \
ALPHA_BLEND_64_W( E[N12], px); \
E[N15] = E[N14] = E[N11] = px; \
E[N10] = E[N3] = E[N12]; \
E[N7] = E[N13]; \
} else if (ke<<1 <= ki && ex3) { /* left */ \
} else if (left) { \
ALPHA_BLEND_192_W(E[N11], px); \
ALPHA_BLEND_192_W(E[N13], px); \
ALPHA_BLEND_64_W( E[N10], px); \
ALPHA_BLEND_64_W( E[N12], px); \
E[N14] = px; \
E[N15] = px; \
} else if (ke >= ki<<1 && ex2) { /* up */ \
} else if (up) { \
ALPHA_BLEND_192_W(E[N14], px); \
ALPHA_BLEND_192_W(E[N7 ], px); \
ALPHA_BLEND_64_W( E[N10], px); \
......
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