mirror of https://github.com/mpv-player/mpv
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
#include "test_helpers.h"
|
|
#include "video/out/gl_video.h"
|
|
|
|
static void test_scale_ambient_lux_limits(void **state) {
|
|
float x;
|
|
x = gl_video_scale_ambient_lux(16.0, 64.0, 2.40, 1.961, 16.0);
|
|
assert_double_equal(x, 2.40f);
|
|
|
|
x = gl_video_scale_ambient_lux(16.0, 64.0, 2.40, 1.961, 64.0);
|
|
assert_double_equal(x, 1.961f);
|
|
}
|
|
|
|
static void test_scale_ambient_lux_sign(void **state) {
|
|
float x;
|
|
x = gl_video_scale_ambient_lux(16.0, 64.0, 1.961, 2.40, 64.0);
|
|
assert_double_equal(x, 2.40f);
|
|
}
|
|
|
|
static void test_scale_ambient_lux_clamping(void **state) {
|
|
float x;
|
|
x = gl_video_scale_ambient_lux(16.0, 64.0, 2.40, 1.961, 0.0);
|
|
assert_double_equal(x, 2.40f);
|
|
}
|
|
|
|
static void test_scale_ambient_lux_log10_midpoint(void **state) {
|
|
float x;
|
|
// 32 corresponds to the the midpoint after converting lux to the log10 scale
|
|
x = gl_video_scale_ambient_lux(16.0, 64.0, 2.40, 1.961, 32.0);
|
|
float mid_gamma = (2.40 - 1.961) / 2 + 1.961;
|
|
assert_double_equal(x, mid_gamma);
|
|
}
|
|
|
|
int main(void) {
|
|
const UnitTest tests[] = {
|
|
unit_test(test_scale_ambient_lux_limits),
|
|
unit_test(test_scale_ambient_lux_sign),
|
|
unit_test(test_scale_ambient_lux_clamping),
|
|
unit_test(test_scale_ambient_lux_log10_midpoint),
|
|
};
|
|
return run_tests(tests);
|
|
}
|
|
|