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moved internal macros from color.h to .c

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This commit is contained in:
Martin Pulec
2024-10-08 15:18:23 +02:00
parent 5daca13530
commit 14554b8777
2 changed files with 30 additions and 28 deletions
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30
src/color.c
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@@ -43,9 +43,27 @@
#include "host.h" // for ADD_TO_PARAM
#include "types.h" // for depth
#define KG(kr,kb) (1.-(kr)-(kb))
#define D(kr, kb) (2. * ((kr) + KG(kr, kb)))
#define E(kr) (2. * (1. - (kr)))
#ifdef YCBCR_FULL
#define C_EPS 0 // prevent under/overflows when there is no clip
#define Y_LIMIT(out_depth) 1.0
#define CBCR_LIMIT(out_depth) 1.0
#else
#define C_EPS 0.5
#define Y_LIMIT(out_depth) \
(219. * (1 << ((out_depth) - 8)) / ((1 << (out_depth)) - 1))
#define CBCR_LIMIT(out_depth) \
(224. * (1 << ((out_depth) - 8)) / ((1 << (out_depth)) - 1))
#endif // !defined YCBCR_FULL
#define Y_LIMIT_INV(in_depth) (1./Y_LIMIT(in_depth))
#define Y_SCALE(in_depth) \
SCALED(Y_LIMIT_INV(in_depth)) // precomputed value, Y multiplier is same
// for all channels
#define Y_R(out_depth, kr, kb) \
((comp_type_t) (((kr * Y_LIMIT(out_depth)) * (1 << COMP_BASE)) + C_EPS))
#define Y_G(out_depth, kr, kb) \
@@ -80,6 +98,18 @@
(1 << COMP_BASE)) + \
C_EPS))
#define C_SIGN(x) ((x) > 0 ? 1. : -1.)
#define SCALED(x) ((comp_type_t) (((x) * (1<<COMP_BASE)) + C_SIGN(x) * C_EPS))
#define R_CR(in_depth, kr, kb) ((2. * (1. - (kr))) / CBCR_LIMIT(in_depth))
#define G_CB(in_depth, kr, kb) \
((-(kb) * (2. * ((kr) + KG(kr, kb))) / KG(kr, kb)) / \
CBCR_LIMIT(in_depth))
#define G_CR(in_depth, kr, kb) \
((-(kr) * (2. * (1. - (kr))) / KG(kr, kb)) / CBCR_LIMIT(in_depth))
#define B_CB(in_depth, kr, kb) \
((2. * ((kr) + KG(kr, kb))) / CBCR_LIMIT(in_depth))
#define COEFFS(depth, kr, kb) \
{ \
Y_R(depth, kr, kb), Y_G(depth, kr, kb), Y_B(depth, kr, kb),\

28
src/color.h
View File

@@ -71,18 +71,6 @@ typedef int32_t comp_type_t; // int32_t provides much better performance than in
#define COMP_BASE (sizeof(comp_type_t) == 4 ? 14 : 18) // computation will be less precise when comp_type_t is 32 bit
static_assert(sizeof(comp_type_t) * 8 >= COMP_BASE + 18, "comp_type_t not wide enough (we are computing in up to 16 bits!)");
#ifdef YCBCR_FULL
#define C_EPS 0 // prevent under/overflows when there is no clip
#define Y_LIMIT(out_depth) 1.0
#define CBCR_LIMIT(out_depth) 1.0
#else
#define C_EPS 0.5
#define Y_LIMIT(out_depth) \
(219. * (1 << ((out_depth) - 8)) / ((1 << (out_depth)) - 1))
#define CBCR_LIMIT(out_depth) \
(224. * (1 << ((out_depth) - 8)) / ((1 << (out_depth)) - 1))
#endif // !defined YCBCR_FULL
#define KR_601 .299
#define KB_601 .114
#define KR_709 .212639
@@ -91,7 +79,6 @@ static_assert(sizeof(comp_type_t) * 8 >= COMP_BASE + 18, "comp_type_t not wide e
#define KB_2020 .059302
#define KR_P3 .228975
#define KB_P3 .079287
#define KG(kr,kb) (1.-kr-kb)
#ifdef YCBCR_FULL
#define LIMIT_LO(depth) 0
@@ -106,21 +93,6 @@ static_assert(sizeof(comp_type_t) * 8 >= COMP_BASE + 18, "comp_type_t not wide e
#define CLAMP_LIMITED_Y(val, depth) (val)
#define CLAMP_LIMITED_CBCR(val, depth) (val)
#define C_SIGN(x) ((x) > 0 ? 1. : -1.)
#define SCALED(x) ((comp_type_t) (((x) * (1<<COMP_BASE)) + C_SIGN(x) * C_EPS))
#define R_CR(in_depth, kr, kb) ((2. * (1. - (kr))) / CBCR_LIMIT(in_depth))
#define G_CB(in_depth, kr, kb) \
((-(kb) * (2. * ((kr) + KG(kr, kb))) / KG(kr, kb)) / \
CBCR_LIMIT(in_depth))
#define G_CR(in_depth, kr, kb) \
((-(kr) * (2. * (1. - (kr))) / KG(kr, kb)) / CBCR_LIMIT(in_depth))
#define B_CB(in_depth, kr, kb) \
((2. * ((kr) + KG(kr, kb))) / CBCR_LIMIT(in_depth))
#define Y_LIMIT_INV(in_depth) (1./Y_LIMIT(in_depth))
#define Y_SCALE(in_depth) \
SCALED(Y_LIMIT_INV(in_depth)) // precomputed value, Y multiplier is same
// for all channels
#define FULL_FOOT(depth) (1 << ((depth) - 8))
#define FULL_HEAD(depth) ((255<<((depth)-8))-1)
#define CLAMP_FULL(val, depth) CLAMP((val), FULL_FOOT(depth), FULL_HEAD(depth))