dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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#!/usr/bin/env python3
import time
import numpy as np
from openpilot.selfdrive.test.helpers import with_processes, phone_only
from openpilot.system.camerad.snapshot.snapshot import get_snapshots
TEST_TIME = 45
REPEAT = 5
class TestCamerad:
@classmethod
def setup_class(cls):
pass
def _numpy_rgb2gray(self, im):
ret = np.clip(im[:,:,2] * 0.114 + im[:,:,1] * 0.587 + im[:,:,0] * 0.299, 0, 255).astype(np.uint8)
return ret
def _is_exposure_okay(self, i, med_mean=None):
if med_mean is None:
med_mean = np.array([[0.2,0.4],[0.2,0.6]])
h, w = i.shape[:2]
i = i[h//10:9*h//10,w//10:9*w//10]
med_ex, mean_ex = med_mean
i = self._numpy_rgb2gray(i)
i_median = np.median(i) / 255.
i_mean = np.mean(i) / 255.
print([i_median, i_mean])
return med_ex[0] < i_median < med_ex[1] and mean_ex[0] < i_mean < mean_ex[1]
@phone_only
@with_processes(['camerad'])
def test_camera_operation(self):
passed = 0
start = time.time()
while time.time() - start < TEST_TIME and passed < REPEAT:
rpic, dpic = get_snapshots(frame="roadCameraState", front_frame="driverCameraState")
wpic, _ = get_snapshots(frame="wideRoadCameraState")
res = self._is_exposure_okay(rpic)
res = res and self._is_exposure_okay(dpic)
res = res and self._is_exposure_okay(wpic)
if passed > 0 and not res:
passed = -passed # fails test if any failure after first sus
break
passed += int(res)
time.sleep(2)
assert passed >= REPEAT