"atomic bomb" commit. Reorganized OpenCV directory structure
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44
tests/swig_python/highgui/query_test.py
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44
tests/swig_python/highgui/query_test.py
Executable file
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"""
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This script will test highgui's cvQueryFrame() function
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for different video formats
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"""
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# import the necessary things for OpenCV and comparson routine
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import os
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from highgui import *
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from cv import *
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import match
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# path to videos and images we need
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PREFIX=os.path.join(os.environ["srcdir"],"../../opencv_extra/testdata/python/")
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# this is the folder with the videos and images
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# and name of output window
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IMAGES = PREFIX+"images/"
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VIDEOS = PREFIX+"videos/"
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# testing routine, called for each entry in FILENAMES
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# and compares each frame with corresponding frame in COMPARISON
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def query_ok(FILENAME,ERRORS):
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# create a video reader using the tiny videofile VIDEOS+FILENAME
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video=cvCreateFileCapture(VIDEOS+FILENAME)
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if video is None:
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# couldn't open video (FAIL)
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return 1
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# call cvQueryFrame for 29 frames and check if the returned image is ok
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for k in range(29):
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image=cvQueryFrame(video)
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if image is None:
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# returned image is NULL (FAIL)
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return 1
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if not match.match(image,k,ERRORS[k]):
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return 1
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cvReleaseCapture(video)
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# everything is fine (PASS)
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return 0
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