diff options
Diffstat (limited to 'apps/CameraITS/tests/inprog/scene2/test_dng_tags.py')
| -rw-r--r-- | apps/CameraITS/tests/inprog/scene2/test_dng_tags.py | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/apps/CameraITS/tests/inprog/scene2/test_dng_tags.py b/apps/CameraITS/tests/inprog/scene2/test_dng_tags.py deleted file mode 100644 index 0c96ca7..0000000 --- a/apps/CameraITS/tests/inprog/scene2/test_dng_tags.py +++ /dev/null @@ -1,94 +0,0 @@ -# Copyright 2014 The Android Open Source Project -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import its.image -import its.device -import its.dng -import its.objects -import numpy -import os.path - -def main(): - """Test that the DNG tags are internally self-consistent. - """ - NAME = os.path.basename(__file__).split(".")[0] - - with its.device.ItsSession() as cam: - props = cam.get_camera_properties() - - # Assumes that illuminant 1 is D65, and illuminant 2 is standard A. - # TODO: Generalize DNG tags check for any provided illuminants. - illum_code = [21, 17] # D65, A - illum_str = ['D65', 'A'] - ref_str = ['android.sensor.referenceIlluminant%d'%(i) for i in [1,2]] - cm_str = ['android.sensor.colorTransform%d'%(i) for i in [1,2]] - fm_str = ['android.sensor.forwardMatrix%d'%(i) for i in [1,2]] - cal_str = ['android.sensor.calibrationTransform%d'%(i) for i in [1,2]] - dng_illum = [its.dng.D65, its.dng.A] - - for i in [0,1]: - assert(props[ref_str[i]] == illum_code[i]) - raw_input("\n[Point camera at grey card under %s and press ENTER]"%( - illum_str[i])) - - cam.do_3a(do_af=False) - cap = cam.do_capture(its.objects.auto_capture_request()) - gains = cap["metadata"]["android.colorCorrection.gains"] - ccm = its.objects.rational_to_float( - cap["metadata"]["android.colorCorrection.transform"]) - cal = its.objects.rational_to_float(props[cal_str[i]]) - print "HAL reported gains:\n", numpy.array(gains) - print "HAL reported ccm:\n", numpy.array(ccm).reshape(3,3) - print "HAL reported cal:\n", numpy.array(cal).reshape(3,3) - - # Dump the image. - img = its.image.convert_capture_to_rgb_image(cap) - its.image.write_image(img, "%s_%s.jpg" % (NAME, illum_str[i])) - - # Compute the matrices that are expected under this illuminant from - # the HAL-reported WB gains, CCM, and calibration matrix. - cm, fm = its.dng.compute_cm_fm(dng_illum[i], gains, ccm, cal) - asn = its.dng.compute_asn(dng_illum[i], cal, cm) - print "Expected ColorMatrix:\n", cm - print "Expected ForwardMatrix:\n", fm - print "Expected AsShotNeutral:\n", asn - - # Get the matrices that are reported by the HAL for this - # illuminant. - cm_ref = numpy.array(its.objects.rational_to_float( - props[cm_str[i]])).reshape(3,3) - fm_ref = numpy.array(its.objects.rational_to_float( - props[fm_str[i]])).reshape(3,3) - asn_ref = numpy.array(its.objects.rational_to_float( - cap['metadata']['android.sensor.neutralColorPoint'])) - print "Reported ColorMatrix:\n", cm_ref - print "Reported ForwardMatrix:\n", fm_ref - print "Reported AsShotNeutral:\n", asn_ref - - # The color matrix may be scaled (between the reported and - # expected values). - cm_scale = cm.mean(1).mean(0) / cm_ref.mean(1).mean(0) - print "ColorMatrix scale factor:", cm_scale - - # Compute the deltas between reported and expected. - print "Ratios in ColorMatrix:\n", cm / cm_ref - print "Deltas in ColorMatrix (after normalizing):\n", cm/cm_scale - cm_ref - print "Deltas in ForwardMatrix:\n", fm - fm_ref - print "Deltas in AsShotNeutral:\n", asn - asn_ref - - # TODO: Add pass/fail test on DNG matrices. - -if __name__ == '__main__': - main() - |