1 # Copyright 2013 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.device 17 import its.objects 18 import pylab 19 import os.path 20 import matplotlib 21 import matplotlib.pyplot 22 import copy 23 24 def main(): 25 """Test that predicted AWB values come out on the right frames. 26 """ 27 NAME = os.path.basename(__file__).split(".")[0] 28 29 def r2f(r): 30 return float(r["numerator"]) / float(r["denominator"]) 31 32 reqs = its.objects.capture_request_list( 33 [its.objects.manual_capture_request(100,0.1)["captureRequest"]]*7 + \ 34 [its.objects.manual_capture_request(300,33)["captureRequest"]]*7 + \ 35 [its.objects.manual_capture_request(100,0.1)["captureRequest"]]*7 36 ) 37 38 curve = sum([[i/63.0, pow(i/63.0, 1/2.2)] for i in range(64)], []) 39 for r in reqs["captureRequestList"]: 40 r["android.tonemap.mode"] = 0 41 r["android.tonemap.curveRed"] = curve 42 r["android.tonemap.curveGreen"] = curve 43 r["android.tonemap.curveBlue"] = curve 44 45 with its.device.ItsSession() as cam: 46 fnames, w, h, cap_mds = cam.do_capture(reqs) 47 for i, fname in enumerate(fnames): 48 img = its.image.load_yuv420_to_rgb_image(fname, w, h) 49 its.image.write_image(img, "%s_i=%02d.jpg" % (NAME, i)) 50 cap_res = cap_mds[i]["captureResult"] 51 print "Predicted:", \ 52 cap_res["android.statistics.predictedColorGains"], \ 53 [r2f(t) for t in cap_res["android.statistics.predictedColorTransform"]] 54 55 if __name__ == '__main__': 56 main() 57 58
