diff options
Diffstat (limited to 'apps/CameraITS/tests/inprog/test_burst_sameness_fullres_auto.py')
-rw-r--r-- | apps/CameraITS/tests/inprog/test_burst_sameness_fullres_auto.py | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/apps/CameraITS/tests/inprog/test_burst_sameness_fullres_auto.py b/apps/CameraITS/tests/inprog/test_burst_sameness_fullres_auto.py deleted file mode 100644 index a8d1d45..0000000 --- a/apps/CameraITS/tests/inprog/test_burst_sameness_fullres_auto.py +++ /dev/null @@ -1,91 +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.objects -import os.path -import numpy -import pylab -import matplotlib -import matplotlib.pyplot - -def main(): - """Take long bursts of images and check that they're all identical. - - Assumes a static scene. Can be used to idenfity if there are sporadic - frames that are processed differently or have artifacts, or if 3A isn't - stable, since this test converges 3A at the start but doesn't lock 3A - throughout capture. - """ - NAME = os.path.basename(__file__).split(".")[0] - - BURST_LEN = 6 - BURSTS = 2 - FRAMES = BURST_LEN * BURSTS - - DELTA_THRESH = 0.1 - - with its.device.ItsSession() as cam: - - # Capture at full resolution. - props = cam.get_camera_properties() - w,h = its.objects.get_available_output_sizes("yuv", props)[0] - - # Converge 3A prior to capture. - cam.do_3a(lock_ae=True, lock_awb=True) - - # After 3A has converged, lock AE+AWB for the duration of the test. - req = its.objects.auto_capture_request() - req["android.blackLevel.lock"] = True - req["android.control.awbLock"] = True - req["android.control.aeLock"] = True - - # Capture bursts of YUV shots. - # Build a 4D array, which is an array of all RGB images after down- - # scaling them by a factor of 4x4. - imgs = numpy.empty([FRAMES,h/4,w/4,3]) - for j in range(BURSTS): - caps = cam.do_capture([req]*BURST_LEN) - for i,cap in enumerate(caps): - n = j*BURST_LEN + i - imgs[n] = its.image.downscale_image( - its.image.convert_capture_to_rgb_image(cap), 4) - - # Dump all images. - print "Dumping images" - for i in range(FRAMES): - its.image.write_image(imgs[i], "%s_frame%03d.jpg"%(NAME,i)) - - # The mean image. - img_mean = imgs.mean(0) - its.image.write_image(img_mean, "%s_mean.jpg"%(NAME)) - - # Compute the deltas of each image from the mean image; this test - # passes if none of the deltas are large. - print "Computing frame differences" - delta_maxes = [] - for i in range(FRAMES): - deltas = (imgs[i] - img_mean).reshape(h*w*3/16) - delta_max_pos = numpy.max(deltas) - delta_max_neg = numpy.min(deltas) - delta_maxes.append(max(abs(delta_max_pos), abs(delta_max_neg))) - max_delta_max = max(delta_maxes) - print "Frame %d has largest diff %f" % ( - delta_maxes.index(max_delta_max), max_delta_max) - assert(max_delta_max < DELTA_THRESH) - -if __name__ == '__main__': - main() - |