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Diffstat (limited to 'apps/CameraITS/tests/scene1/test_param_tonemap_mode.py')
| -rw-r--r-- | apps/CameraITS/tests/scene1/test_param_tonemap_mode.py | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/apps/CameraITS/tests/scene1/test_param_tonemap_mode.py b/apps/CameraITS/tests/scene1/test_param_tonemap_mode.py deleted file mode 100644 index fbd452c..0000000 --- a/apps/CameraITS/tests/scene1/test_param_tonemap_mode.py +++ /dev/null @@ -1,104 +0,0 @@ -# Copyright 2013 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.caps -import its.device -import its.objects -import its.target -import os -import os.path - -def main(): - """Test that the android.tonemap.mode param is applied. - - Applies different tonemap curves to each R,G,B channel, and checks - that the output images are modified as expected. - """ - NAME = os.path.basename(__file__).split(".")[0] - - THRESHOLD_RATIO_MIN_DIFF = 0.1 - THRESHOLD_DIFF_MAX_DIFF = 0.05 - - # The HAL3.2 spec requires that curves up to 64 control points in length - # must be supported. - L = 32 - LM1 = float(L-1) - - with its.device.ItsSession() as cam: - props = cam.get_camera_properties() - if not its.caps.compute_target_exposure(props): - print "Test skipped" - return - - e, s = its.target.get_target_exposure_combos(cam)["midExposureTime"] - e /= 2 - - # Test 1: that the tonemap curves have the expected effect. Take two - # shots, with n in [0,1], where each has a linear tonemap, with the - # n=1 shot having a steeper gradient. The gradient for each R,G,B - # channel increases (i.e.) R[n=1] should be brighter than R[n=0], - # and G[n=1] should be brighter than G[n=0] by a larger margin, etc. - rgb_means = [] - - for n in [0,1]: - req = its.objects.manual_capture_request(s,e) - req["android.tonemap.mode"] = 0 - req["android.tonemap.curveRed"] = ( - sum([[i/LM1, min(1.0,(1+0.5*n)*i/LM1)] for i in range(L)], [])) - req["android.tonemap.curveGreen"] = ( - sum([[i/LM1, min(1.0,(1+1.0*n)*i/LM1)] for i in range(L)], [])) - req["android.tonemap.curveBlue"] = ( - sum([[i/LM1, min(1.0,(1+1.5*n)*i/LM1)] for i in range(L)], [])) - cap = cam.do_capture(req) - img = its.image.convert_capture_to_rgb_image(cap) - its.image.write_image( - img, "%s_n=%d.jpg" %(NAME, n)) - tile = its.image.get_image_patch(img, 0.45, 0.45, 0.1, 0.1) - rgb_means.append(its.image.compute_image_means(tile)) - - rgb_ratios = [rgb_means[1][i] / rgb_means[0][i] for i in xrange(3)] - print "Test 1: RGB ratios:", rgb_ratios - assert(rgb_ratios[0] + THRESHOLD_RATIO_MIN_DIFF < rgb_ratios[1]) - assert(rgb_ratios[1] + THRESHOLD_RATIO_MIN_DIFF < rgb_ratios[2]) - - - # Test 2: that the length of the tonemap curve (i.e. number of control - # points) doesn't affect the output. - rgb_means = [] - - for size in [32,64]: - m = float(size-1) - curve = sum([[i/m, i/m] for i in range(size)], []) - req = its.objects.manual_capture_request(s,e) - req["android.tonemap.mode"] = 0 - req["android.tonemap.curveRed"] = curve - req["android.tonemap.curveGreen"] = curve - req["android.tonemap.curveBlue"] = curve - cap = cam.do_capture(req) - img = its.image.convert_capture_to_rgb_image(cap) - its.image.write_image( - img, "%s_size=%02d.jpg" %(NAME, size)) - tile = its.image.get_image_patch(img, 0.45, 0.45, 0.1, 0.1) - rgb_means.append(its.image.compute_image_means(tile)) - - rgb_diffs = [rgb_means[1][i] - rgb_means[0][i] for i in xrange(3)] - print "Test 2: RGB diffs:", rgb_diffs - assert(abs(rgb_diffs[0]) < THRESHOLD_DIFF_MAX_DIFF) - assert(abs(rgb_diffs[1]) < THRESHOLD_DIFF_MAX_DIFF) - assert(abs(rgb_diffs[2]) < THRESHOLD_DIFF_MAX_DIFF) - -if __name__ == '__main__': - main() - |