openpilot/selfdrive/camerad/test/ae_gray_test.cc

73 lines
2.2 KiB
C++

// unittest for set_exposure_target
#include "ae_gray_test.h"
#include <assert.h>
#include <cmath>
#include <cstring>
#include "selfdrive/camerad/cameras/camera_common.h"
void camera_autoexposure(CameraState *s, float grey_frac) {}
int main() {
// set up fake camerabuf
CameraBuf cb = {};
VisionBuf vb = {};
uint8_t * fb_y = new uint8_t[W*H];
vb.y = fb_y;
cb.cur_yuv_buf = &vb;
cb.rgb_width = W;
cb.rgb_height = H;
printf("AE test patterns %dx%d\n", cb.rgb_width, cb.rgb_height);
// mix of 5 tones
uint8_t l[5] = {0, 24, 48, 96, 235}; // 235 is yuv max
bool passed = true;
float rtol = 0.05;
// generate pattern and calculate EV
int cnt = 0;
for (int is_qcom2=0; is_qcom2<2; is_qcom2++) {
for (int g=0; g<GAIN_SPLITS; g++) {
for (int i_0=0; i_0<TONE_SPLITS; i_0++) {
for (int i_1=0; i_1<TONE_SPLITS; i_1++) {
for (int i_2=0; i_2<TONE_SPLITS; i_2++) {
for (int i_3=0; i_3<TONE_SPLITS; i_3++) {
int h_0 = i_0 * H / TONE_SPLITS;
int h_1 = i_1 * (H - h_0) / TONE_SPLITS;
int h_2 = i_2 * (H - h_0 - h_1) / TONE_SPLITS;
int h_3 = i_3 * (H - h_0 - h_1 - h_2) / TONE_SPLITS;
int h_4 = H - h_0 - h_1 - h_2 - h_3;
memset(&fb_y[0], l[0], h_0*W);
memset(&fb_y[h_0*W], l[1], h_1*W);
memset(&fb_y[h_0*W+h_1*W], l[2], h_2*W);
memset(&fb_y[h_0*W+h_1*W+h_2*W], l[3], h_3*W);
memset(&fb_y[h_0*W+h_1*W+h_2*W+h_3*W], l[4], h_4*W);
float ev = set_exposure_target((const CameraBuf*) &cb, 0, W-1, 1, 0, H-1, 1, g*10, (bool)is_qcom2, (bool)is_qcom2);
// printf("%d/%d/%d/%d/%d ev is %f\n", h_0, h_1, h_2, h_3, h_4, ev);
// printf("%f\n", ev);
// compare to gt
float evgt = gts[cnt];
if (fabs(ev - evgt) > rtol*evgt) {
passed = false;
}
// report
printf("%d/%d/%d/%d/%d/%d/%d: ev %f, gt %f, err %f\n", is_qcom2, g*10, h_0, h_1, h_2, h_3, h_4, ev, evgt, fabs(ev - evgt) / (evgt != 0 ? evgt : 0.00001f));
cnt++;
}
}
}
}
}
}
assert(passed);
delete[] fb_y;
return 0;
}