55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
|
"""
|
||
|
|
This script will test HighGUI's cvGetCaptureProperty functionality
|
||
|
|
for correct returnvalues of width and height information for different video formats
|
||
|
|
"""
|
||
|
|
|
||
|
|
# import the necessary things for OpenCV and comparson routine
|
||
|
|
import os
|
||
|
|
from cv import *
|
||
|
|
from highgui import *
|
||
|
|
#import python
|
||
|
|
#from python.highgui import *
|
||
|
|
|
||
|
|
|
||
|
|
# path to images and videos we need
|
||
|
|
PREFIX =os.path.join(os.environ["srcdir"],"../../opencv_extra/testdata/python/")
|
||
|
|
|
||
|
|
|
||
|
|
# this is the folder with the videos and images
|
||
|
|
# and name of output window
|
||
|
|
IMAGES = PREFIX+"images/"
|
||
|
|
VIDEOS = PREFIX+"videos/"
|
||
|
|
|
||
|
|
|
||
|
|
# testing routine, seeks through file and compares read images with frames in COMPARISON
|
||
|
|
def size_ok(FILENAME):
|
||
|
|
# create a video reader using the tiny videofile VIDEOS+FILENAME
|
||
|
|
video=cvCreateFileCapture(VIDEOS+FILENAME)
|
||
|
|
|
||
|
|
if video is None:
|
||
|
|
# couldn't open video (FAIL)
|
||
|
|
return 1
|
||
|
|
|
||
|
|
# get width and height information via HighGUI's cvGetCaptureProperty function
|
||
|
|
w=cvGetCaptureProperty(video,CV_CAP_PROP_FRAME_WIDTH)
|
||
|
|
h=cvGetCaptureProperty(video,CV_CAP_PROP_FRAME_HEIGHT)
|
||
|
|
|
||
|
|
# get an image to compare
|
||
|
|
image=cvQueryFrame(video)
|
||
|
|
|
||
|
|
if image is None:
|
||
|
|
return 1
|
||
|
|
|
||
|
|
image = cvCloneImage (image)
|
||
|
|
|
||
|
|
if (w!=image.width) or (h!=image.height):
|
||
|
|
# dimensions don't match parameters (FAIL)
|
||
|
|
return 1
|
||
|
|
|
||
|
|
del video
|
||
|
|
del image
|
||
|
|
# everything is fine (PASS)
|
||
|
|
return 0
|
||
|
|
|
||
|
|
|