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avfilter/xbr: move alpha blend assignment out of the macros

This commit is contained in:
Clément Bœsch 2014-11-16 12:12:40 +01:00
parent 006caf03d7
commit 20cac72a4f
1 changed files with 38 additions and 38 deletions
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76
libavfilter/vf_xbr.c
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@ -74,13 +74,13 @@ static uint32_t pixel_diff(uint32_t x, uint32_t y, const uint32_t *r2y)
abs((yuv1 & VMASK) - (yuv2 & VMASK));
}
#define ALPHA_BLEND_128_W(dst, src) dst = ((src & LB_MASK) >> 1) + ((dst & LB_MASK) >> 1)
#define ALPHA_BLEND_128_W(a, b) ((((a) & LB_MASK) >> 1) + (((b) & LB_MASK) >> 1))
#define ALPHA_BLEND_BASE(a, b, m, s) ( (RED_BLUE_MASK & (((a) & RED_BLUE_MASK) + (((((b) & RED_BLUE_MASK) - ((a) & RED_BLUE_MASK)) * (m)) >> (s)))) \
| (GREEN_MASK & (((a) & GREEN_MASK) + (((((b) & GREEN_MASK) - ((a) & GREEN_MASK)) * (m)) >> (s)))))
#define ALPHA_BLEND_32_W(dst, src) dst = ALPHA_BLEND_BASE(dst, src, 1, 3)
#define ALPHA_BLEND_64_W(dst, src) dst = ALPHA_BLEND_BASE(dst, src, 1, 2)
#define ALPHA_BLEND_192_W(dst, src) dst = ALPHA_BLEND_BASE(dst, src, 3, 2)
#define ALPHA_BLEND_224_W(dst, src) dst = ALPHA_BLEND_BASE(dst, src, 7, 3)
#define ALPHA_BLEND_32_W(a, b) ALPHA_BLEND_BASE(a, b, 1, 3)
#define ALPHA_BLEND_64_W(a, b) ALPHA_BLEND_BASE(a, b, 1, 2)
#define ALPHA_BLEND_192_W(a, b) ALPHA_BLEND_BASE(a, b, 3, 2)
#define ALPHA_BLEND_224_W(a, b) ALPHA_BLEND_BASE(a, b, 7, 3)
#define df(A, B) pixel_diff(A, B, r2y)
#define eq(A, B) (df(A, B) < 155)
@ -99,20 +99,20 @@ static uint32_t pixel_diff(uint32_t x, uint32_t y, const uint32_t *r2y)
const int up = ke >= ki<<1 && PE != PC && PB != PC; \
const unsigned px = df(PE,PF) <= df(PE,PH) ? PF : PH; \
if (left && up) { \
ALPHA_BLEND_224_W(E[N3], px); \
ALPHA_BLEND_64_W( E[N2], px); \
E[N3] = ALPHA_BLEND_224_W(E[N3], px); \
E[N2] = ALPHA_BLEND_64_W( E[N2], px); \
E[N1] = E[N2]; \
} else if (left) { \
ALPHA_BLEND_192_W(E[N3], px); \
ALPHA_BLEND_64_W( E[N2], px); \
E[N3] = ALPHA_BLEND_192_W(E[N3], px); \
E[N2] = ALPHA_BLEND_64_W( E[N2], px); \
} else if (up) { \
ALPHA_BLEND_192_W(E[N3], px); \
ALPHA_BLEND_64_W( E[N1], px); \
E[N3] = ALPHA_BLEND_192_W(E[N3], px); \
E[N1] = ALPHA_BLEND_64_W( E[N1], px); \
} else { /* diagonal */ \
ALPHA_BLEND_128_W(E[N3], px); \
E[N3] = ALPHA_BLEND_128_W(E[N3], px); \
} \
} else if (e <= i) { \
ALPHA_BLEND_128_W( E[N3], ((df(PE,PF) <= df(PE,PH)) ? PF : PH)); \
E[N3] = ALPHA_BLEND_128_W(E[N3], ((df(PE,PF) <= df(PE,PH)) ? PF : PH)); \
} \
} \
} while (0)
@ -131,28 +131,28 @@ static uint32_t pixel_diff(uint32_t x, uint32_t y, const uint32_t *r2y)
const int up = ke >= ki<<1 && PE != PC && PB != PC; \
const unsigned px = df(PE,PF) <= df(PE,PH) ? PF : PH; \
if (left && up) { \
ALPHA_BLEND_192_W(E[N7], px); \
ALPHA_BLEND_64_W( E[N6], px); \
E[N7] = ALPHA_BLEND_192_W(E[N7], px); \
E[N6] = ALPHA_BLEND_64_W( E[N6], px); \
E[N5] = E[N7]; \
E[N2] = E[N6]; \
E[N8] = px; \
} 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[N7] = ALPHA_BLEND_192_W(E[N7], px); \
E[N5] = ALPHA_BLEND_64_W( E[N5], px); \
E[N6] = ALPHA_BLEND_64_W( E[N6], px); \
E[N8] = px; \
} else if (up) { \
ALPHA_BLEND_192_W(E[N5], px); \
ALPHA_BLEND_64_W( E[N7], px); \
ALPHA_BLEND_64_W( E[N2], px); \
E[N5] = ALPHA_BLEND_192_W(E[N5], px); \
E[N7] = ALPHA_BLEND_64_W( E[N7], px); \
E[N2] = ALPHA_BLEND_64_W( E[N2], px); \
E[N8] = px; \
} else { /* diagonal */ \
ALPHA_BLEND_224_W(E[N8], px); \
ALPHA_BLEND_32_W( E[N5], px); \
ALPHA_BLEND_32_W( E[N7], px); \
E[N8] = ALPHA_BLEND_224_W(E[N8], px); \
E[N5] = ALPHA_BLEND_32_W( E[N5], px); \
E[N7] = ALPHA_BLEND_32_W( E[N7], px); \
} \
} else if (e <= i) { \
ALPHA_BLEND_128_W(E[N8], ((df(PE,PF) <= df(PE,PH)) ? PF : PH)); \
E[N8] = ALPHA_BLEND_128_W(E[N8], ((df(PE,PF) <= df(PE,PH)) ? PF : PH)); \
} \
} \
} while (0)
@ -171,32 +171,32 @@ static uint32_t pixel_diff(uint32_t x, uint32_t y, const uint32_t *r2y)
const int up = ke >= ki<<1 && PE != PC && PB != PC; \
const unsigned px = df(PE,PF) <= df(PE,PH) ? PF : PH; \
if (left && up) { \
ALPHA_BLEND_192_W(E[N13], px); \
ALPHA_BLEND_64_W( E[N12], px); \
E[N13] = ALPHA_BLEND_192_W(E[N13], px); \
E[N12] = 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 (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[N11] = ALPHA_BLEND_192_W(E[N11], px); \
E[N13] = ALPHA_BLEND_192_W(E[N13], px); \
E[N10] = ALPHA_BLEND_64_W( E[N10], px); \
E[N12] = ALPHA_BLEND_64_W( E[N12], px); \
E[N14] = px; \
E[N15] = px; \
} else if (up) { \
ALPHA_BLEND_192_W(E[N14], px); \
ALPHA_BLEND_192_W(E[N7 ], px); \
ALPHA_BLEND_64_W( E[N10], px); \
ALPHA_BLEND_64_W( E[N3 ], px); \
E[N14] = ALPHA_BLEND_192_W(E[N14], px); \
E[N7 ] = ALPHA_BLEND_192_W(E[N7 ], px); \
E[N10] = ALPHA_BLEND_64_W( E[N10], px); \
E[N3 ] = ALPHA_BLEND_64_W( E[N3 ], px); \
E[N11] = px; \
E[N15] = px; \
} else { /* diagonal */ \
ALPHA_BLEND_128_W(E[N11], px); \
ALPHA_BLEND_128_W(E[N14], px); \
E[N11] = ALPHA_BLEND_128_W(E[N11], px); \
E[N14] = ALPHA_BLEND_128_W(E[N14], px); \
E[N15] = px; \
} \
} else if (e <= i) { \
ALPHA_BLEND_128_W( E[N15], ((df(PE,PF) <= df(PE,PH)) ? PF : PH)); \
E[N15] = ALPHA_BLEND_128_W(E[N15], ((df(PE,PF) <= df(PE,PH)) ? PF : PH)); \
} \
} \
} while (0)