vcs.maemo.org Git - opencv/blob - tests/python/highgui/cvGetCaptureProperty.py

   1 #! /usr/bin/env python
   2 """
   3 This script will test highgui's cvGetCaptureProperty() function
   4 """
   5
   6 # name of this test and it's requirements
   7 TESTNAME = "cvGetCaptureProperty"
   8 REQUIRED = ["cvCreateFileCapture"]
   9
  10
  11 # needed for sys.exit(int) and .works file handling
  12 import os
  13 import sys
  14 import works
  15
  16 # path to imagefiles we need
  17 PREFIX=os.environ["top_srcdir"]+"/tests/python/testdata/videos/"
  18
  19 # check requirements and delete old flag file, if it exists
  20 if not works.check_files(REQUIRED,TESTNAME):
  21         sys.exit(77)
  22
  23 # import the necessary things for OpenCV
  24 import python
  25 from python.highgui import *
  26 from python.cv import *
  27
  28
  29 # create a video reader using the tiny video 'vd_uncompressed.avi'
  30 video = cvCreateFileCapture(PREFIX+"uncompressed.avi"")
  31
  32 # retrieve video dimensions and compare with known values
  33 print str(cvGetCaptureProperty( video, CV_CAP_PROP_FOURCC ))
  34
  35 print "Checking image dimensions"
  36 if cvGetCaptureProperty( video, CV_CAP_PROP_FRAME_WIDTH ) != 720:
  37         sys.exit(1)
  38 if cvGetCaptureProperty( video, CV_CAP_PROP_FRAME_HEIGHT ) != 576:
  39         sys.exit(1)
  40 print "pass"
  41
  42 print "Checking framerate"
  43 if cvGetCaptureProperty( video, CV_CAP_PROP_FPS ) != 25:
  44         sys.exit(1)
  45 print "pass"
  46
  47 print str(cvGetCaptureProperty( video, CV_CAP_PROP_FOURCC ) )
  48
  49 # ATTENTION: We do not release the video reader, window or any image.
  50 # This is bad manners, but Python and OpenCV don't care...
  51
  52 # create flag file for sollowing tests
  53 works.set_file(TESTNAME)
  54
  55 # return 0 ('PASS')
  56 sys.exit(0)