Ruben Brunk | 370e243 | 2014-10-14 18:33:23 -0700 | [diff] [blame] | 1 | # Copyright 2014 The Android Open Source Project |
| 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | # you may not use this file except in compliance with the License. |
| 5 | # You may obtain a copy of the License at |
| 6 | # |
| 7 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | # |
| 9 | # Unless required by applicable law or agreed to in writing, software |
| 10 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | # See the License for the specific language governing permissions and |
| 13 | # limitations under the License. |
| 14 | |
| 15 | import its.image |
| 16 | import its.caps |
| 17 | import its.device |
| 18 | import its.objects |
| 19 | import os.path |
| 20 | import numpy |
| 21 | |
| 22 | def main(): |
| 23 | """Test a sequence of shots with different tonemap curves. |
| 24 | """ |
| 25 | NAME = os.path.basename(__file__).split(".")[0] |
| 26 | |
| 27 | # There should be 3 identical frames followed by a different set of |
| 28 | # 3 identical frames. |
| 29 | MAX_SAME_DELTA = 0.01 |
| 30 | MIN_DIFF_DELTA = 0.10 |
| 31 | |
| 32 | with its.device.ItsSession() as cam: |
| 33 | props = cam.get_camera_properties() |
Chien-Yu Chen | bad96ca | 2014-10-20 17:30:56 -0700 | [diff] [blame] | 34 | its.caps.skip_unless(its.caps.manual_sensor(props) and |
Chien-Yu Chen | 34fa85d | 2014-10-22 16:58:08 -0700 | [diff] [blame] | 35 | its.caps.manual_post_proc(props) and |
| 36 | its.caps.per_frame_control(props)) |
Ruben Brunk | 370e243 | 2014-10-14 18:33:23 -0700 | [diff] [blame] | 37 | |
| 38 | sens, exp_time, _,_,_ = cam.do_3a(do_af=False,get_results=True) |
| 39 | |
| 40 | means = [] |
| 41 | |
| 42 | # Capture 3 manual shots with a linear tonemap. |
Yin-Chia Yeh | 9afa725 | 2015-05-08 15:05:50 -0700 | [diff] [blame] | 43 | req = its.objects.manual_capture_request(sens, exp_time, True, props) |
Ruben Brunk | 370e243 | 2014-10-14 18:33:23 -0700 | [diff] [blame] | 44 | for i in [0,1,2]: |
| 45 | cap = cam.do_capture(req) |
| 46 | img = its.image.convert_capture_to_rgb_image(cap) |
| 47 | its.image.write_image(img, "%s_i=%d.jpg" % (NAME, i)) |
| 48 | tile = its.image.get_image_patch(img, 0.45, 0.45, 0.1, 0.1) |
| 49 | means.append(tile.mean(0).mean(0)) |
| 50 | |
| 51 | # Capture 3 manual shots with the default tonemap. |
| 52 | req = its.objects.manual_capture_request(sens, exp_time, False) |
| 53 | for i in [3,4,5]: |
| 54 | cap = cam.do_capture(req) |
| 55 | img = its.image.convert_capture_to_rgb_image(cap) |
| 56 | its.image.write_image(img, "%s_i=%d.jpg" % (NAME, i)) |
| 57 | tile = its.image.get_image_patch(img, 0.45, 0.45, 0.1, 0.1) |
| 58 | means.append(tile.mean(0).mean(0)) |
| 59 | |
| 60 | # Compute the delta between each consecutive frame pair. |
| 61 | deltas = [numpy.max(numpy.fabs(means[i+1]-means[i])) \ |
| 62 | for i in range(len(means)-1)] |
| 63 | print "Deltas between consecutive frames:", deltas |
| 64 | |
| 65 | assert(all([abs(deltas[i]) < MAX_SAME_DELTA for i in [0,1,3,4]])) |
| 66 | assert(abs(deltas[2]) > MIN_DIFF_DELTA) |
| 67 | |
| 68 | if __name__ == '__main__': |
| 69 | main() |
| 70 | |