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55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
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"""
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This script will test HighGUI's cvGetCaptureProperty functionality
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for correct returnvalues of width and height information 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 cv import *
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from highgui import *
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#import python
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#from python.highgui import *
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# path to images and videos 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, seeks through file and compares read images with frames in COMPARISON
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def size_ok(FILENAME):
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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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# get width and height information via HighGUI's cvGetCaptureProperty function
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w=cvGetCaptureProperty(video,CV_CAP_PROP_FRAME_WIDTH)
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h=cvGetCaptureProperty(video,CV_CAP_PROP_FRAME_HEIGHT)
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# get an image to compare
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image=cvQueryFrame(video)
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if image is None:
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return 1
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image = cvCloneImage (image)
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if (w!=image.width) or (h!=image.height):
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# dimensions don't match parameters (FAIL)
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return 1
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del video
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del image
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# everything is fine (PASS)
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return 0
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