opencv/tests/swig_python/highgui/cvCreateFileCapture.py

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Python
Executable File

"""
This script will test highgui's video reading functionality
for a given parameter RAW formats.
"""
# needed for sys.exit(int) and .works file handling
import os
import sys
import works
from works import *
# import the necessary things for OpenCV
from highgui import *
from cv import *
# some defines
TESTNAME = "cvCreateFileCapture"
REQUIRED = []
PREFIX = os.path.join(os.environ["srcdir"],"../../opencv_extra/testdata/python/videos/qcif_")
EXTENSION= ".avi"
# this functions tries to open a videofile
# using the filename PREFIX+FORMAT+.EXTENSION and returns True/False
# on success/fail.
def video_ok( FORMAT ):
# check requirements and delete old .works file
if not works.check_files( REQUIRED, TESTNAME+FORMAT ):
return false
filename = PREFIX+FORMAT+EXTENSION
video = cvCreateFileCapture(PREFIX+FORMAT+EXTENSION)
if video is None:
sys.exit(1)
works.set_file( TESTNAME+FORMAT )
return True