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comparison python/cvutils.py @ 958:747a5c68bd3c

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minor improvement and bug correction
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 18 Aug 2017 18:00:11 -0400
parents c03d2c0a4c04
children 4f32d82ca390
comparison
equal deleted inserted replaced
957:5d9899504977 958:747a5c68bd3c
158 images = [] 158 images = []
159 for cap in captures: 159 for cap in captures:
160 ret, img = cap.read() 160 ret, img = cap.read()
161 rets.append(ret) 161 rets.append(ret)
162 images.append(img) 162 images.append(img)
163 if array(rets).all(): 163 ret = array(rets).all()
164 if ret:
164 if printFrames: 165 if printFrames:
165 print('frame shown {0}'.format(nFramesShown)) 166 print('frame shown {0}'.format(nFramesShown))
166 for i in xrange(len(filenames)): 167 for i in xrange(len(filenames)):
167 if text is not None: 168 if text is not None:
168 cv2.putText(images[i], text, (10,50), cv2.FONT_HERSHEY_PLAIN, 1, cvRed[colorType]) 169 cv2.putText(images[i], text, (10,50), cv2.FONT_HERSHEY_PLAIN, 1, cvRed[colorType])
171 if saveKey(key): 172 if saveKey(key):
172 cv2.imwrite('image-{}.png'.format(frameNum), img) 173 cv2.imwrite('image-{}.png'.format(frameNum), img)
173 nFramesShown += step 174 nFramesShown += step
174 if step > 1: 175 if step > 1:
175 for i in xrange(len(captures)): 176 for i in xrange(len(captures)):
176 captures.set(cv2.cv.CV_CAP_PROP_POS_FRAMES, firstFrameNums[i]+nFramesShown) 177 captures[i].set(cv2.cv.CV_CAP_PROP_POS_FRAMES, firstFrameNums[i]+nFramesShown)
177 cv2.destroyAllWindows() 178 cv2.destroyAllWindows()
178 else: 179 else:
179 print('Video captures for {} failed'.format(filenames)) 180 print('Video captures for {} failed'.format(filenames))
180 181
181 def infoVideo(filename): 182 def infoVideo(filename):