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colorspace.c
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colorspace.c
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#include "utils.h"
int main()
{
for (enum pl_color_system sys = 0; sys < PL_COLOR_SYSTEM_COUNT; sys++) {
bool ycbcr = sys >= PL_COLOR_SYSTEM_BT_601 && sys <= PL_COLOR_SYSTEM_YCGCO;
REQUIRE_CMP(ycbcr, ==, pl_color_system_is_ycbcr_like(sys), "d");
}
for (enum pl_color_transfer trc = 0; trc < PL_COLOR_TRC_COUNT; trc++) {
printf("Testing color transfer: %s\n", pl_color_transfer_name(trc));
bool hdr = trc >= PL_COLOR_TRC_PQ && trc <= PL_COLOR_TRC_S_LOG2;
REQUIRE_CMP(hdr, ==, pl_color_transfer_is_hdr(trc), "d");
REQUIRE_CMP(pl_color_transfer_nominal_peak(trc), >=, 1.0, "f");
if (trc == PL_COLOR_TRC_LINEAR)
continue;
// Test round trip
const float peak = 1.0f, contrast = 1000;
const struct pl_color_space csp = {
.transfer = trc,
.hdr.max_luma = PL_COLOR_SDR_WHITE * peak,
.hdr.min_luma = PL_COLOR_SDR_WHITE * peak / contrast,
};
for (float x = 0.0f; x <= 1.0f; x += 0.01f) {
float color[3] = { x, x, x };
pl_color_linearize(&csp, color);
if (trc == PL_COLOR_TRC_PQ)
REQUIRE_FEQ(color[0], pl_hdr_rescale(PL_HDR_PQ, PL_HDR_NORM, x), 1e-5f);
if (pl_color_space_is_black_scaled(&csp) || trc == PL_COLOR_TRC_BT_1886)
REQUIRE_CMP(color[0] + 1e-6f, >=, peak / contrast, "f");
if (!pl_color_space_is_hdr(&csp) && trc != PL_COLOR_TRC_ST428)
REQUIRE_CMP(color[0] - 1e-6f, <=, peak, "f");
switch (trc) {
case PL_COLOR_TRC_V_LOG:
case PL_COLOR_TRC_S_LOG1:
case PL_COLOR_TRC_S_LOG2:
// FIXME: these don't currently round-trip on subzero values
break;
default:
pl_color_delinearize(&csp, color);
REQUIRE_FEQ(color[0], x, 1e-5f);
break;
}
}
}
float pq_peak = pl_color_transfer_nominal_peak(PL_COLOR_TRC_PQ);
REQUIRE_FEQ(PL_COLOR_SDR_WHITE * pq_peak, 10000, 1e-7);
struct pl_color_repr tv_repr = {
.sys = PL_COLOR_SYSTEM_BT_709,
.levels = PL_COLOR_LEVELS_LIMITED,
};
struct pl_color_repr pc_repr = {
.sys = PL_COLOR_SYSTEM_RGB,
.levels = PL_COLOR_LEVELS_FULL,
};
// Ensure this is a no-op for bits == bits
for (int bits = 1; bits <= 16; bits++) {
tv_repr.bits.color_depth = tv_repr.bits.sample_depth = bits;
pc_repr.bits.color_depth = pc_repr.bits.sample_depth = bits;
REQUIRE_FEQ(pl_color_repr_normalize(&tv_repr), 1.0, 1e-7);
REQUIRE_FEQ(pl_color_repr_normalize(&pc_repr), 1.0, 1e-7);
}
tv_repr.bits.color_depth = 8;
tv_repr.bits.sample_depth = 10;
float tv8to10 = pl_color_repr_normalize(&tv_repr);
tv_repr.bits.color_depth = 8;
tv_repr.bits.sample_depth = 12;
float tv8to12 = pl_color_repr_normalize(&tv_repr);
// Simulate the effect of GPU texture sampling on UNORM texture
REQUIRE_FEQ(tv8to10 * 16 /1023., 64/1023., 1e-7); // black
REQUIRE_FEQ(tv8to10 * 235/1023., 940/1023., 1e-7); // nominal white
REQUIRE_FEQ(tv8to10 * 128/1023., 512/1023., 1e-7); // achromatic
REQUIRE_FEQ(tv8to10 * 240/1023., 960/1023., 1e-7); // nominal chroma peak
REQUIRE_FEQ(tv8to12 * 16 /4095., 256 /4095., 1e-7); // black
REQUIRE_FEQ(tv8to12 * 235/4095., 3760/4095., 1e-7); // nominal white
REQUIRE_FEQ(tv8to12 * 128/4095., 2048/4095., 1e-7); // achromatic
REQUIRE_FEQ(tv8to12 * 240/4095., 3840/4095., 1e-7); // nominal chroma peak
// Ensure lavc's xyz12 is handled correctly
struct pl_color_repr xyz12 = {
.sys = PL_COLOR_SYSTEM_XYZ,
.levels = PL_COLOR_LEVELS_UNKNOWN,
.bits = {
.sample_depth = 16,
.color_depth = 12,
.bit_shift = 4,
},
};
float xyz = pl_color_repr_normalize(&xyz12);
REQUIRE_FEQ(xyz * (4095 << 4), 65535, 1e-7);
// Assume we uploaded a 10-bit source directly (unshifted) as a 16-bit
// texture. This texture multiplication factor should make it behave as if
// it was uploaded as a 10-bit texture instead.
pc_repr.bits.color_depth = 10;
pc_repr.bits.sample_depth = 16;
float pc10to16 = pl_color_repr_normalize(&pc_repr);
REQUIRE_FEQ(pc10to16 * 1000/65535., 1000/1023., 1e-7);
const struct pl_raw_primaries *bt709, *bt2020, *dcip3;
bt709 = pl_raw_primaries_get(PL_COLOR_PRIM_BT_709);
bt2020 = pl_raw_primaries_get(PL_COLOR_PRIM_BT_2020);
dcip3 = pl_raw_primaries_get(PL_COLOR_PRIM_DCI_P3);
REQUIRE(pl_primaries_superset(bt2020, bt709));
REQUIRE(!pl_primaries_superset(bt2020, dcip3)); // small region doesn't overlap
REQUIRE(pl_primaries_superset(dcip3, bt709));
REQUIRE(!pl_primaries_superset(bt709, bt2020));
REQUIRE(pl_primaries_compatible(bt2020, bt2020));
REQUIRE(pl_primaries_compatible(bt2020, bt709));
REQUIRE(pl_primaries_compatible(bt709, bt2020));
REQUIRE(pl_primaries_compatible(bt2020, dcip3));
REQUIRE(pl_primaries_compatible(bt709, dcip3));
struct pl_raw_primaries bt709_2020 = pl_primaries_clip(bt709, bt2020);
struct pl_raw_primaries bt2020_709 = pl_primaries_clip(bt2020, bt709);
REQUIRE(pl_raw_primaries_similar(&bt709_2020, bt709));
REQUIRE(pl_raw_primaries_similar(&bt2020_709, bt709));
struct pl_raw_primaries dcip3_bt2020 = pl_primaries_clip(dcip3, bt2020);
struct pl_raw_primaries dcip3_bt709 = pl_primaries_clip(dcip3, bt709);
REQUIRE(pl_primaries_superset(dcip3, &dcip3_bt2020));
REQUIRE(pl_primaries_superset(dcip3, &dcip3_bt709));
REQUIRE(pl_primaries_superset(bt2020, &dcip3_bt2020));
REQUIRE(pl_primaries_superset(bt709, &dcip3_bt709));
pl_matrix3x3 rgb2xyz, rgb2xyz_;
rgb2xyz = rgb2xyz_ = pl_get_rgb2xyz_matrix(bt709);
pl_matrix3x3_invert(&rgb2xyz_);
pl_matrix3x3_invert(&rgb2xyz_);
// Make sure the double-inversion round trips
for (int y = 0; y < 3; y++) {
for (int x = 0; x < 3; x++)
REQUIRE_FEQ(rgb2xyz.m[y][x], rgb2xyz_.m[y][x], 1e-6);
}
// Make sure mapping the spectral RGB colors (i.e. the matrix rows) matches
// our original primaries
float Y = rgb2xyz.m[1][0];
REQUIRE_FEQ(rgb2xyz.m[0][0], pl_cie_X(bt709->red) * Y, 1e-7);
REQUIRE_FEQ(rgb2xyz.m[2][0], pl_cie_Z(bt709->red) * Y, 1e-7);
Y = rgb2xyz.m[1][1];
REQUIRE_FEQ(rgb2xyz.m[0][1], pl_cie_X(bt709->green) * Y, 1e-7);
REQUIRE_FEQ(rgb2xyz.m[2][1], pl_cie_Z(bt709->green) * Y, 1e-7);
Y = rgb2xyz.m[1][2];
REQUIRE_FEQ(rgb2xyz.m[0][2], pl_cie_X(bt709->blue) * Y, 1e-7);
REQUIRE_FEQ(rgb2xyz.m[2][2], pl_cie_Z(bt709->blue) * Y, 1e-7);
// Make sure the gamut mapping round-trips
pl_matrix3x3 bt709_bt2020, bt2020_bt709;
bt709_bt2020 = pl_get_color_mapping_matrix(bt709, bt2020, PL_INTENT_RELATIVE_COLORIMETRIC);
bt2020_bt709 = pl_get_color_mapping_matrix(bt2020, bt709, PL_INTENT_RELATIVE_COLORIMETRIC);
for (int n = 0; n < 10; n++) {
float vec[3] = { RANDOM, RANDOM, RANDOM };
float dst[3] = { vec[0], vec[1], vec[2] };
pl_matrix3x3_apply(&bt709_bt2020, dst);
pl_matrix3x3_apply(&bt2020_bt709, dst);
for (int i = 0; i < 3; i++)
REQUIRE_FEQ(dst[i], vec[i], 1e-6);
}
// Ensure the decoding matrix round-trips to white/black
for (enum pl_color_system sys = 0; sys < PL_COLOR_SYSTEM_COUNT; sys++) {
if (!pl_color_system_is_linear(sys))
continue;
printf("Testing color system: %s\n", pl_color_system_name(sys));
struct pl_color_repr repr = {
.levels = PL_COLOR_LEVELS_LIMITED,
.sys = sys,
.bits = {
// synthetic test
.color_depth = 8,
.sample_depth = 10,
},
};
float scale = pl_color_repr_normalize(&repr);
pl_transform3x3 yuv2rgb = pl_color_repr_decode(&repr, NULL);
pl_matrix3x3_scale(&yuv2rgb.mat, scale);
static const float white_ycbcr[3] = { 235/1023., 128/1023., 128/1023. };
static const float black_ycbcr[3] = { 16/1023., 128/1023., 128/1023. };
static const float white_other[3] = { 235/1023., 235/1023., 235/1023. };
static const float black_other[3] = { 16/1023., 16/1023., 16/1023. };
float white[3], black[3];
for (int i = 0; i < 3; i++) {
if (pl_color_system_is_ycbcr_like(sys)) {
white[i] = white_ycbcr[i];
black[i] = black_ycbcr[i];
} else {
white[i] = white_other[i];
black[i] = black_other[i];
}
}
pl_transform3x3_apply(&yuv2rgb, white);
REQUIRE_FEQ(white[0], 1.0, 1e-6);
REQUIRE_FEQ(white[1], 1.0, 1e-6);
REQUIRE_FEQ(white[2], 1.0, 1e-6);
pl_transform3x3_apply(&yuv2rgb, black);
REQUIRE_FEQ(black[0], 0.0, 1e-6);
REQUIRE_FEQ(black[1], 0.0, 1e-6);
REQUIRE_FEQ(black[2], 0.0, 1e-6);
}
// Make sure chromatic adaptation works
struct pl_raw_primaries bt709_d50;
bt709_d50 = *pl_raw_primaries_get(PL_COLOR_PRIM_BT_709);
bt709_d50.white = (struct pl_cie_xy) { 0.34567, 0.35850 };
pl_matrix3x3 d50_d65;
d50_d65 = pl_get_color_mapping_matrix(&bt709_d50, bt709, PL_INTENT_RELATIVE_COLORIMETRIC);
float white[3] = { 1.0, 1.0, 1.0 };
pl_matrix3x3_apply(&d50_d65, white);
REQUIRE_FEQ(white[0], 1.0, 1e-6);
REQUIRE_FEQ(white[1], 1.0, 1e-6);
REQUIRE_FEQ(white[2], 1.0, 1e-6);
// Simulate a typical 10-bit YCbCr -> 16 bit texture conversion
tv_repr.bits.color_depth = 10;
tv_repr.bits.sample_depth = 16;
pl_transform3x3 yuv2rgb;
yuv2rgb = pl_color_repr_decode(&tv_repr, NULL);
float test[3] = { 575/65535., 336/65535., 640/65535. };
pl_transform3x3_apply(&yuv2rgb, test);
REQUIRE_FEQ(test[0], 0.808305, 1e-6);
REQUIRE_FEQ(test[1], 0.553254, 1e-6);
REQUIRE_FEQ(test[2], 0.218841, 1e-6);
// DVD
REQUIRE_CMP(pl_color_system_guess_ycbcr(720, 480), ==, PL_COLOR_SYSTEM_BT_601, "u");
REQUIRE_CMP(pl_color_system_guess_ycbcr(720, 576), ==, PL_COLOR_SYSTEM_BT_601, "u");
REQUIRE_CMP(pl_color_primaries_guess(720, 576), ==, PL_COLOR_PRIM_BT_601_625, "u");
REQUIRE_CMP(pl_color_primaries_guess(720, 480), ==, PL_COLOR_PRIM_BT_601_525, "u");
// PAL 16:9
REQUIRE_CMP(pl_color_system_guess_ycbcr(1024, 576), ==, PL_COLOR_SYSTEM_BT_601, "u");
REQUIRE_CMP(pl_color_primaries_guess(1024, 576), ==, PL_COLOR_PRIM_BT_601_625, "u");
// HD
REQUIRE_CMP(pl_color_system_guess_ycbcr(1280, 720), ==, PL_COLOR_SYSTEM_BT_709, "u");
REQUIRE_CMP(pl_color_system_guess_ycbcr(1920, 1080), ==, PL_COLOR_SYSTEM_BT_709, "u");
REQUIRE_CMP(pl_color_primaries_guess(1280, 720), ==, PL_COLOR_PRIM_BT_709, "u");
REQUIRE_CMP(pl_color_primaries_guess(1920, 1080), ==, PL_COLOR_PRIM_BT_709, "u");
// Odd/weird videos
REQUIRE_CMP(pl_color_primaries_guess(2000, 576), ==, PL_COLOR_PRIM_BT_709, "u");
REQUIRE_CMP(pl_color_primaries_guess(200, 200), ==, PL_COLOR_PRIM_BT_709, "u");
REQUIRE(pl_color_repr_equal(&pl_color_repr_sdtv, &pl_color_repr_sdtv));
REQUIRE(!pl_color_repr_equal(&pl_color_repr_sdtv, &pl_color_repr_hdtv));
struct pl_color_repr repr = pl_color_repr_unknown;
pl_color_repr_merge(&repr, &pl_color_repr_uhdtv);
REQUIRE(pl_color_repr_equal(&repr, &pl_color_repr_uhdtv));
REQUIRE(!pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_UNKNOWN));
REQUIRE(!pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_BT_601_525));
REQUIRE(!pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_BT_601_625));
REQUIRE(!pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_BT_709));
REQUIRE(!pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_BT_470M));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_BT_2020));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_APPLE));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_ADOBE));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_PRO_PHOTO));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_CIE_1931));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_DCI_P3));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_DISPLAY_P3));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_V_GAMUT));
REQUIRE(pl_color_primaries_is_wide_gamut(PL_COLOR_PRIM_S_GAMUT));
struct pl_color_space space = pl_color_space_unknown;
pl_color_space_merge(&space, &pl_color_space_bt709);
REQUIRE(pl_color_space_equal(&space, &pl_color_space_bt709));
// Infer some color spaces
struct pl_color_space hlg = {
.primaries = PL_COLOR_PRIM_BT_2020,
.transfer = PL_COLOR_TRC_HLG,
};
pl_color_space_infer(&hlg);
REQUIRE_CMP(hlg.hdr.max_luma, ==, PL_COLOR_HLG_PEAK, "f");
struct pl_color_space unknown = {0};
struct pl_color_space display = {
.primaries = PL_COLOR_PRIM_BT_709,
.transfer = PL_COLOR_TRC_BT_1886,
};
pl_color_space_infer(&unknown);
pl_color_space_infer(&display);
REQUIRE(pl_color_space_equal(&unknown, &display));
float x, y;
pl_chroma_location_offset(PL_CHROMA_LEFT, &x, &y);
REQUIRE_CMP(x, ==, -0.5f, "f");
REQUIRE_CMP(y, ==, 0.0f, "f");
pl_chroma_location_offset(PL_CHROMA_TOP_LEFT, &x, &y);
REQUIRE_CMP(x, ==, -0.5f, "f");
REQUIRE_CMP(y, ==, -0.5f, "f");
pl_chroma_location_offset(PL_CHROMA_CENTER, &x, &y);
REQUIRE_CMP(x, ==, 0.0f, "f");
REQUIRE_CMP(y, ==, 0.0f, "f");
pl_chroma_location_offset(PL_CHROMA_BOTTOM_CENTER, &x, &y);
REQUIRE_CMP(x, ==, 0.0f, "f");
REQUIRE_CMP(y, ==, 0.5f, "f");
REQUIRE_CMP(pl_raw_primaries_get(PL_COLOR_PRIM_UNKNOWN), ==,
pl_raw_primaries_get(PL_COLOR_PRIM_BT_709), "p");
// Color blindness tests
float red[3] = { 1.0, 0.0, 0.0 };
float green[3] = { 0.0, 1.0, 0.0 };
float blue[3] = { 0.0, 0.0, 1.0 };
#define TEST_CONE(model, color) \
do { \
float tmp[3] = { (color)[0], (color)[1], (color)[2] }; \
pl_matrix3x3 mat = pl_get_cone_matrix(&(model), bt709); \
pl_matrix3x3_apply(&mat, tmp); \
printf("%s + %s = %f %f %f\n", #model, #color, tmp[0], tmp[1], tmp[2]); \
for (int i = 0; i < 3; i++) \
REQUIRE_FEQ((color)[i], tmp[i], 1e-5f); \
} while(0)
struct pl_cone_params red_only = { .cones = PL_CONE_MS };
struct pl_cone_params green_only = { .cones = PL_CONE_LS };
struct pl_cone_params blue_only = pl_vision_monochromacy;
// These models should all round-trip white
TEST_CONE(pl_vision_normal, white);
TEST_CONE(pl_vision_protanopia, white);
TEST_CONE(pl_vision_protanomaly, white);
TEST_CONE(pl_vision_deuteranomaly, white);
TEST_CONE(pl_vision_tritanomaly, white);
TEST_CONE(pl_vision_achromatopsia, white);
TEST_CONE(red_only, white);
TEST_CONE(green_only, white);
TEST_CONE(blue_only, white);
// These models should round-trip blue
TEST_CONE(pl_vision_normal, blue);
TEST_CONE(pl_vision_protanomaly, blue);
TEST_CONE(pl_vision_deuteranomaly, blue);
// These models should round-trip red
TEST_CONE(pl_vision_normal, red);
TEST_CONE(pl_vision_tritanomaly, red);
TEST_CONE(pl_vision_tritanopia, red);
// These models should round-trip green
TEST_CONE(pl_vision_normal, green);
// Color adaptation tests
struct pl_cie_xy d65 = pl_white_from_temp(6504);
REQUIRE_FEQ(d65.x, 0.31271, 1e-3);
REQUIRE_FEQ(d65.y, 0.32902, 1e-3);
struct pl_cie_xy d55 = pl_white_from_temp(5503);
REQUIRE_FEQ(d55.x, 0.33242, 1e-3);
REQUIRE_FEQ(d55.y, 0.34743, 1e-3);
// Make sure we infer the correct set of metadata parameters
#define TEST_METADATA(CSP, TYPE, MIN, MAX, AVG) \
do { \
float _min, _max, _avg; \
pl_color_space_nominal_luma_ex(pl_nominal_luma_params( \
.color = &(CSP), \
.metadata = TYPE, \
.scaling = PL_HDR_PQ, \
.out_min = &_min, \
.out_max = &_max, \
.out_avg = &_avg, \
)); \
const float _min_ref = pl_hdr_rescale(PL_HDR_NITS, PL_HDR_PQ, MIN); \
const float _max_ref = pl_hdr_rescale(PL_HDR_NITS, PL_HDR_PQ, MAX); \
const float _avg_ref = pl_hdr_rescale(PL_HDR_NITS, PL_HDR_PQ, AVG); \
REQUIRE_FEQ(_min, _min_ref, 1e-5); \
REQUIRE_FEQ(_max, _max_ref, 1e-5); \
REQUIRE_FEQ(_avg, _avg_ref, 1e-5); \
} while (0)
const struct pl_color_space hdr10plus = {
.primaries = PL_COLOR_PRIM_BT_2020,
.transfer = PL_COLOR_TRC_PQ,
.hdr = {
.min_luma = 0.005,
.max_luma = 4000,
.scene_max = {596.69, 1200, 500},
.scene_avg = 300,
},
};
REQUIRE(pl_hdr_metadata_contains(&hdr10plus.hdr, PL_HDR_METADATA_ANY));
REQUIRE(pl_hdr_metadata_contains(&hdr10plus.hdr, PL_HDR_METADATA_NONE));
REQUIRE(pl_hdr_metadata_contains(&hdr10plus.hdr, PL_HDR_METADATA_HDR10));
REQUIRE(pl_hdr_metadata_contains(&hdr10plus.hdr, PL_HDR_METADATA_HDR10PLUS));
REQUIRE(!pl_hdr_metadata_contains(&hdr10plus.hdr, PL_HDR_METADATA_CIE_Y));
TEST_METADATA(hdr10plus, PL_HDR_METADATA_NONE, PL_COLOR_HDR_BLACK, 10000, 0);
TEST_METADATA(hdr10plus, PL_HDR_METADATA_CIE_Y, PL_COLOR_HDR_BLACK, 4000, 0);
TEST_METADATA(hdr10plus, PL_HDR_METADATA_HDR10, PL_COLOR_HDR_BLACK, 4000, 0);
TEST_METADATA(hdr10plus, PL_HDR_METADATA_HDR10PLUS, PL_COLOR_HDR_BLACK, 1000, 250);
TEST_METADATA(hdr10plus, PL_HDR_METADATA_ANY, PL_COLOR_HDR_BLACK, 1000, 250);
const struct pl_color_space dovi = {
.primaries = PL_COLOR_PRIM_BT_2020,
.transfer = PL_COLOR_TRC_PQ,
.hdr = {
.min_luma = 0.005,
.max_luma = 4000,
.max_pq_y = pl_hdr_rescale(PL_HDR_NITS, PL_HDR_PQ, 1000),
.avg_pq_y = pl_hdr_rescale(PL_HDR_NITS, PL_HDR_PQ, 250),
},
};
REQUIRE(pl_hdr_metadata_contains(&dovi.hdr, PL_HDR_METADATA_ANY));
REQUIRE(pl_hdr_metadata_contains(&dovi.hdr, PL_HDR_METADATA_NONE));
REQUIRE(pl_hdr_metadata_contains(&dovi.hdr, PL_HDR_METADATA_HDR10));
REQUIRE(pl_hdr_metadata_contains(&dovi.hdr, PL_HDR_METADATA_CIE_Y));
REQUIRE(!pl_hdr_metadata_contains(&dovi.hdr, PL_HDR_METADATA_HDR10PLUS));
TEST_METADATA(dovi, PL_HDR_METADATA_NONE, PL_COLOR_HDR_BLACK, 10000, 0);
TEST_METADATA(dovi, PL_HDR_METADATA_HDR10, PL_COLOR_HDR_BLACK, 4000, 0);
TEST_METADATA(dovi, PL_HDR_METADATA_HDR10PLUS, PL_COLOR_HDR_BLACK, 4000, 0);
TEST_METADATA(dovi, PL_HDR_METADATA_CIE_Y, PL_COLOR_HDR_BLACK, 1000, 250);
TEST_METADATA(dovi, PL_HDR_METADATA_ANY, PL_COLOR_HDR_BLACK, 1000, 250);
const struct pl_color_space hlg4000 = {
.primaries = PL_COLOR_PRIM_BT_2020,
.transfer = PL_COLOR_TRC_HLG,
.hdr.max_luma = 4000,
.hdr.min_luma = 0.005,
};
TEST_METADATA(hlg4000, PL_HDR_METADATA_NONE, PL_COLOR_HDR_BLACK, PL_COLOR_HLG_PEAK, 0);
TEST_METADATA(hlg4000, PL_HDR_METADATA_HDR10, 0.005, 4000, 0);
TEST_METADATA(hlg4000, PL_HDR_METADATA_ANY, 0.005, 4000, 0);
const struct pl_color_space untagged = {
.primaries = PL_COLOR_PRIM_BT_709,
.transfer = PL_COLOR_TRC_BT_1886,
};
REQUIRE(pl_hdr_metadata_contains(&untagged.hdr, PL_HDR_METADATA_NONE));
REQUIRE(!pl_hdr_metadata_contains(&untagged.hdr, PL_HDR_METADATA_ANY));
REQUIRE(!pl_hdr_metadata_contains(&untagged.hdr, PL_HDR_METADATA_HDR10));
REQUIRE(!pl_hdr_metadata_contains(&untagged.hdr, PL_HDR_METADATA_CIE_Y));
REQUIRE(!pl_hdr_metadata_contains(&untagged.hdr, PL_HDR_METADATA_HDR10PLUS));
const float sdr_black = PL_COLOR_SDR_WHITE / PL_COLOR_SDR_CONTRAST;
TEST_METADATA(untagged, PL_HDR_METADATA_NONE, sdr_black, PL_COLOR_SDR_WHITE, 0);
TEST_METADATA(untagged, PL_HDR_METADATA_ANY, sdr_black, PL_COLOR_SDR_WHITE, 0);
const struct pl_color_space sdr50 = {
.primaries = PL_COLOR_PRIM_BT_709,
.transfer = PL_COLOR_TRC_BT_1886,
.hdr.max_luma = 50,
};
REQUIRE(pl_hdr_metadata_contains(&sdr50.hdr, PL_HDR_METADATA_NONE));
REQUIRE(pl_hdr_metadata_contains(&sdr50.hdr, PL_HDR_METADATA_ANY));
REQUIRE(pl_hdr_metadata_contains(&sdr50.hdr, PL_HDR_METADATA_HDR10));
REQUIRE(!pl_hdr_metadata_contains(&sdr50.hdr, PL_HDR_METADATA_CIE_Y));
REQUIRE(!pl_hdr_metadata_contains(&sdr50.hdr, PL_HDR_METADATA_HDR10PLUS));
TEST_METADATA(sdr50, PL_HDR_METADATA_NONE, sdr_black, PL_COLOR_SDR_WHITE, 0);
TEST_METADATA(sdr50, PL_HDR_METADATA_HDR10, 50 / PL_COLOR_SDR_CONTRAST, 50, 0);
TEST_METADATA(sdr50, PL_HDR_METADATA_ANY, 50 / PL_COLOR_SDR_CONTRAST, 50, 0);
const struct pl_color_space sdr10k = {
.primaries = PL_COLOR_PRIM_BT_709,
.transfer = PL_COLOR_TRC_BT_1886,
.hdr.min_luma = PL_COLOR_SDR_WHITE / 10000,
};
REQUIRE(pl_hdr_metadata_contains(&sdr10k.hdr, PL_HDR_METADATA_NONE));
REQUIRE(!pl_hdr_metadata_contains(&sdr10k.hdr, PL_HDR_METADATA_ANY));
REQUIRE(!pl_hdr_metadata_contains(&sdr10k.hdr, PL_HDR_METADATA_HDR10));
TEST_METADATA(sdr10k, PL_HDR_METADATA_NONE, sdr_black, PL_COLOR_SDR_WHITE, 0);
TEST_METADATA(sdr10k, PL_HDR_METADATA_HDR10, PL_COLOR_SDR_WHITE / 10000, PL_COLOR_SDR_WHITE, 0);
TEST_METADATA(sdr10k, PL_HDR_METADATA_ANY, PL_COLOR_SDR_WHITE / 10000, PL_COLOR_SDR_WHITE, 0);
const struct pl_color_space bogus_vals = {
.primaries = PL_COLOR_PRIM_BT_2020,
.transfer = PL_COLOR_TRC_HLG,
.hdr.min_luma = 1e-9,
.hdr.max_luma = 1000000,
};
const struct pl_color_space bogus_flip = {
.primaries = PL_COLOR_PRIM_BT_2020,
.transfer = PL_COLOR_TRC_PQ,
.hdr.min_luma = 4000,
.hdr.max_luma = 0.05,
};
const struct pl_color_space bogus_sign = {
.primaries = PL_COLOR_PRIM_BT_2020,
.transfer = PL_COLOR_TRC_HLG,
.hdr.min_luma = -0.5,
.hdr.max_luma = -4000,
};
TEST_METADATA(bogus_vals, PL_HDR_METADATA_HDR10, PL_COLOR_HDR_BLACK, 10000, 0);
TEST_METADATA(bogus_flip, PL_HDR_METADATA_HDR10, PL_COLOR_HDR_BLACK, 10000, 0);
TEST_METADATA(bogus_sign, PL_HDR_METADATA_HDR10, PL_COLOR_HDR_BLACK, PL_COLOR_HLG_PEAK, 0);
}